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Northampton’s Urban Residential Zoning Districts:
Dimensional and Design Standards Proposal
Goal: Facilitate higher density in existing urban districts (infill) while minimizing negative
impacts of infill on existing properties.
Problem: The city’s current zoning requirements prevent units from being added to our
traditional urban neighborhoods, and when homes are converted to accommodate fewer units,
they often can never be converted back to their earlier higher number of units. The implications
of this are that the city is slowly losing housing units over time, homeowners lack the flexibility
to meet the changing needs of households over time (e.g. changes in household size and
needs), and the city cannot meet the goals of the Sustainable Northampton Comprehensive
Plan (2008), which calls for increased residential densities in traditional neighborhoods.
Analysis: A review of zoning in the city’s urban residential districts revealed very high rates of
non-conforming properties. “Non-conforming” refers to a property whose existing use or
structures are not permitted by the zoning for the property. Usually these characteristics were
in place before the current zoning was enacted. The use or structure is then “grandfathered”,
or permitted to continue. The analysis conducted by the Zoning Revisions Committee revealed
the following rates of non-conformance based on minimum lot size requirements in our urban
neighborhoods:
URC Zoning District
63% of 1-3 family homes do not conform
83% of 4 family homes do not conform
URB Zoning District
32% of 1 family homes do not conform
62% of 2 family homes do not conform
82% of 3 family homes do not conform
URA Zoning Distrcict
35% of 1 family homes do not conform
100% of 2 family and multiple-family homes do not conform (they are not allowed)
This analysis looked only at conformance with lot size requirements. An analysis of properties
that also meet minimum setback, frontage and other requirements would yield even higher
Formatted: Font: 14 pt
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rates of non-conformance. The ZRC was unable to do this further analysis because it would be
very time-consuming. However, spot checks of random properties shows that there is quite
significant non-conformance of setbacks, frontage and other requirements. This correlates with
anecdotal evidence gathered in forums.
On the whole, the Zoning Revisions Committee found that the non-conforming status of a
property does not significantly impact residential property owners (other than creating
anxiety). However, there are some cases in which the non-conforming status of a residential
property can be a nuisance or significantly limit use of the property. For example, many
homeowners in our urban residential zoning districts cannot use their garages to create an
accessory apartment because their garages do not meet the setbacks for residential structures
(they do conform for the most part to the required setbacks for garages). This is because
detached garages are allowed to be closer to the setback than residential structures in all
districts. In addition, this situation contradicts the goals of Sustainable Northampton, which
encourages greater density in existing in-town neighborhoods and reduced development out of
town.
Perhaps most importantly, however, the high rates of non-conforming properties in our
residential districts serve as an indicator: This indicates that our current zoning does not match
(and in fact is very, very different from) our existing urban neighborhoods. As a result, we have
great urban neighborhoods that can never be built again. As units are lost and cannot be
replaced over time, the character of our traditional urban neighborhoods is changing. In
addition, in the rare occasion when new multi-building developments are built within existing
neighborhoods, zoning encourages their character to be out of context with the surrounding
neighborhoods.
Some key points from the Zoning Revisions Committee analysis are:
● The existing dimensional standards, especially the requirements that govern the number
of units per square foot of lot size, and frontage requirements greatly limit the creation
of new units in urban districts.
● When structures are converted to a lower number of units, it can be impossible to
convert them back to a higher number of units. These standards are contributing to the
loss of units and population in urban districts.
● Many accessory structures do not conform to residential setback requirements. This
limits their conversion to accessory apartments.
● The setback requirements do not match our current neighborhoods, so new structures
are unlikely to be sited in a way that matches—or is in character with--the other homes
on the block.
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● The current zoning forces the city to lose units over time, which is in direct contradiction
to the city’s comprehensive plan, which calls for concentrating development in
traditional neighborhoods.
Public Feedback: The Zoning Revisions Committee held two general public forums that
addressed the issue of infill. The community expressed general support for infill as long as it
does not affect the existing character of our neighborhoods. Major concerns that were voiced
include traffic, parking, intrusions into views or solar access and loss of “green space”.
Residents are most likely to be sympathetic to:
● Owner-occupants who want to add units
● Conversions that revert a structure to its historic number of units
● Additional units that help maintaining affordability for owners, as well as renters to a
lesser degree
Residents expressed concern about infill projects that:
● Are out of scale with the neighborhood in terms of height, bulk, or number of units
● Add new houses on existing streets (especially through subdivision of lots)
● Create multi-family housing on predominantly single-family streets
● Affect land that neighbors feel a “sense of ownership” over, such as privately owned
woods or fields lots that have been used informally by neighborhood residents
● Result in the demolition of “loved” structures
● Consolidate lots for larger projects
Residents also expressed concerns about:
● Zoning that is difficult to understand, unpredictable, or unequally applied
● Effects on property values (either increases or OR decreases in property value)
With regard to design, residents expressed concerns about projects the block views or sunlight,
and that are out- of- scale with the neighborhood. However, residents do not seem to want to
over-regulate design by creating very specific architectural standards or a complex design
review process. In general, residents expressed a preference for standards that address site
design characteristics (how a building is situated on a lot, for example) rather than architectural
characteristics (the style and characteristics of the building itself, other than its height and
bulk).
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Interpretation of Public Feedback: Based on the public feedback received, the following list
indicates the acceptability of different types of infill projects, arranged from most acceptable to
least acceptable:
● Accessory units within houses and accessory structures (owner-occupied)
● Additional units within existing structures with no external changes to the building or lot
● Additional units within existing structures with minor changes to the building or lot
● Additional units within existing structures with major changes to the building or lot
(large additions, large parking lots, major demolition and rebuilding)
● Filling gaps in the a street with new buildings that match the scale of the neighborhood
● Filling gaps the a street with new buildings that are larger than the building in the
existing neighborhood
● Large new projects (new neighborhoods, multi-unit town homes, etc.)
Some statements in favor of innovative housing were made at the forums, and several
people came up to ZRC members after the forums to express support for cottage housing.
Significant statements either for or against adaptive reuse of existing non-residential
structures (e.g. churches) were not made by forum participants, but nods of approval by
community members during the presentation of the committee’s analysis and the following
discussion of the need to make zoning changes to allow for the redevelopment of these
structures has been interpreted as support for the idea.
Proposed Improvements:
This document proposes the following approach to improving the zoning regulations to allow
for more infill in a way that addresses the feedback received at the public forums:
1. Revise the city’s accessory apartment regulations to make it easier to have accessory
apartments on owner-occupied properties
An accessory apartment, also known as an “in-law apartment” is an extra unit that can be
built on an owner-occupied property. Under the current zoning, an accessory apartment is
only allowed by right if incorporated within a single-family dwelling. Accessory apartments
are allowed by special permit in a detached accessory structure on the lot IF the structure
conforms to current zoning requirements. The following changes to the current regulations
are recommended:
Allow accessory units in garages that are closer to property boundaries than homes. For
example, this would allow garages that were built at or near the lot line to be converted
to accessory units.
Comment [DU1]: detached accessory structures or garages specifically? carriage houses?
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Allow conversion of a detached accessory structure into an accessory apartment by-
right rather than requiring a special permit.
Allow accessory units in all owner-occupied buildings (not just single-family homes). For
example, this would allow owner-occupier residents of two-family or multi-family
homes to add an accessory unit.
Allow the entrance to an accessory apartment to be located in the front of the building
(in addition to the side or rear)
Allow a new attached structure for an accessory unit to have a front setback of 20 feet
(change from 40 feet)
2. Amend the city’s Planned Development regulations to allow for innovative housing and
adaptive reuse of obsolete structures by Special Permit
Cottage or Pocket Housing
o More than one principal structure allowed on a lot
o Each unit is 800 square feet or less
o Single family or duplex structures allowed
o Shared open space and parking
o Additional standards may need to be developed, using examples of innovative
housing bylaws examples from other communities
Adaptive Reuse
o Conversion of a building over 4,000 sq. ft. to, or from, a residential use; or
o Conversion of a home to be converted back to a historic use, e.g. converting a
single family back to a two-family (in the event that this situation is not captured
by proposed changes to dimensional standards below)
o Additional standards may need to be developed
3. Amend the dimensional tables in the city’s urban residential zoning districts, as discussed
in detail in the sections below.
4. Establish general design standards that apply only to larger projects
Apply design standards with site plan review by the Planning Board to all new
construction, additions or renovations over 700 square feet.
Standards to include:
o New structures (including additions) must not interfere with solar access of
neighboring building structure, except by Special Permit.
Comment [DU2]: If it is attached, shouldn’t it match the existing setback of the neighborhood. I think the setback for the detached structures is the more challenging one. Do we want to keep the requirements for garages behind the house?
Comment [D3]: Are there bulk concerns with allowing the attached structure to the current setback?
Comment [D4]: Given the not huge amount of support for design standards, do
Comment [D5]: Carolyn’s Comment: even for additions to existing homes that are to the rear of the principal structure? Is this in conflict with the goal of simplifying for homeowner? Dillon’s Response: public feedback indicated that additions to the rear of a building are as problematic as other additions- because they affect the neighbor’s rear yard. Example, recent condos on Round Hill Road
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Definition: A new structure may not shade any point above the first floor
(10’) of a principal structure on a neighboring property for more than one
hour between 11 a.m. and 4 pm on December 21 (The day of the year with
the smallest solar altitude angle)
Simple Method: As an alternative to requiring full solar shading analysis, a
setback table based on a simplified set of assumptions may be provided by the
city. It could be consulted to determine whether the requirement is met based
on the height difference and distance between the two structures.
o The principal residential structure on a lot must have a front door that faces the street,
and a pathway from the front door to the street, unless:
The applicant demonstrates that this would be impractical based on unique
considerations relating to the lot or building structure; or
The development is Cottage Housing or other Innovative Housing project
approved by Planning Board Special Permit under the Planned Unit
Development regulations.
o An applicant may apply for relief from the standards in the dimensional tables
subject to Site Plan Review by the Planning Board.
o As part of the Site Plan Review, the applicant must demonstrate that:
If the front plane of the home is changed, front setbacks are no more or
less than 5’ from block average
For all projects in which the front yard will be affected, the front yard
must have street trees. Street trees are not subject to solar access
standards.
For all projects that receive Planning Board review, the applicant must
demonstrate “fit” with neighborhood regarding setbacks and building
massing.
5. Develop a Design Guidebook with more detailed (non-binding) design guidelines that:
Illustrate appropriate building design in Northampton
Explain basic architectural and site design concepts
Provide examples of typical (is there one?) Northampton building styles and materials
Summarize green building principles
Helps applicants evaluate whether their project “fits” within the existing neighborhood
Discuss different neighborhoods or use a broad approach
Funding for the guidebook may be available through CPA under historic preservation.
Comment [D6]: Changed from 3 hours to one hour. Solar engineer input: 3 hours on December 21
st would reduce solar gain by a lot!
Comment [D7]: Carolyn comment: Typically the onus is on the applicant. Dani: Onus would still be on the applicant to meet the table setbacks based on the height difference between 2 structures. Could be helpful for smaller projects - does the geometry for them (for simple projects)…
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URC
Problem: The current zoning discourages infill in urban districts (particularly URC), while the
Sustainable Northampton Comprehensive Plan encourages greater density in these
neighborhoods.
Analysis & Discussion: URC is the residential zone nearest to downtown Northampton. It has
the smallest residential lots and greatest residential densities. These are some of
Northampton’s oldest neighborhoods and this district has a very high proportion of properties
that do not conform to the current zoning (63% of 1-3 family homes, 83% of 4 family homes).
Due to already small lots sizes and its highly built-out nature, this district has the fewest
opportunities for new lots or new structures. However, there are plentiful opportunities for
adding units within existing structures – including primary structures and accessory buildings,
like garages – and allowing the number of units in a structure or on a property to change over
time as demographics (household size and needs) change.
At the forums, we heard that some residents want to add units to existing structures or convert
homes back to an earlier state that had more units. There was general support for conversions
within existing structures and accessory buildings like garages.
Compared to other districts, a greater proportion of residents live within walking distance of
their jobs – For example, an analysis of the Market Street neighborhoods found that 26% of
residents walk to work (U.S. Census 2000). Anecdotal evidence from the forums suggests that
there are residents, particularly students of nearby colleges, who live in this area who do not
have own cars. However, although residents of this zone are less car-dependent (and may own
fewer cars per household), parking is a continuing concern for residents, especially as street
parking is at a premium in these neighborhoods. Parking is a particular concern for residents
who live close to downtown. There is a wide-spread perception that workers and visitors to
downtown choose to park in residential neighborhoods.
Proposed Short-Term Solution: Revise the dimensional standards to allow for infill within
existing lots, but prevent splitting of small lots into even smaller lots, which would result in
more new construction and a sense of less “open space” in these neighborhoods.
In order to prevent splitting of already small lots, set minimum frontage and lot sizes as
follows:
o Frontage: 65 feet Comment [D8]: 65’ to match reduction allowed under zero lot single family.
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o Lot Size: 3,200 square feet (70% percent of existing properties have lot sizes of
3,750 and above. (Outcome: 6,400 sf would be required to subdivide a property
into two 3,200 square foot lots. Both lots would need the required frontage in
order to subdivide)
In order to allow small-scale infill development in existing structures and on existing
lots, remove the link between the number of units and lot size for 1 – 4 family homes.
To allow development in character with existing neighborhoods, change the
dimensional standards to match the traditional neighborhoods more closely. Finally,
simplify the requirements for 1 – 4 family home lots.1
o Replace current standards with the following performance requirements:
Front Setback: 10’ max/min (can be increased to / 20’ max by site plan
review)
Side Setback: 10’ min
Rear setback: 20’ min (same as current)
Parking: Same off-street requirements as current regulations for now
(see below)
Open Space: 50 contiguous square feet per dwelling unit OR this
requirement can be waived by a finding that adequate outdoor space is
provided to each unit through alternative means, such as a porch, deck or
green roof.
Comparison of Current Requirements to Proposed Requirements for 1 – 4 Family Home Lots2
Summary (1 – 4 Family Structures)
Current Regulations Results of Proposed Change
Min. Lot Size 6,000 – 24,000 sq. ft. 3,200 sq. ft.
Frontage 75 feet 65 feet
Depth 80 – 250 feet 0 feet?
Front Setback 20 feet 10 feet
Side Setback 5 - 15 feet 10 feet
Rear Setback 20 – 30 feet 20 feet
Maximum Building Height 40 – 55 feet 40 feet
Parking 2 spaces per unit, 1 space per unit under 750 sq. ft. or accessory unit under 900 sq. ft.
Same
Open Space 30% 50 contiguous sq. ft. per unit (50 – 200 sq. ft.) or relief by SP
1 Redefine what is currently called “multifamily” in the current zoning to be 5 units or more
2 Does not include comparison to cluster development provisions, as these largely do not apply in URC due to large
minimum parcel size required for a PUD under current regulations
Comment [D9]: 30% of properties in URC are above 6,400 sf. But, many could not be easily subdivided – e.g. if principal structure is at center, or if lot is strange shape, not easy to subdivide – would need to meet 3,200 sf lot size and frontage requirements.
Comment [D10]: how does this comport with the cry from residents to save open space [owned by others] for their enjoyment?
Comment [D11]: Applies to URC only. Need to do an analysis of outcomes for both districts.
Comment [D12]: Purpose of depth? Perhaps a good place to simplify?
Comment [DU13]: why reduce? won’t most height additions be covered by special permit which has solar provisions? Who would change a roof to add less than 500 sq ft?
Comment [D14]: Not sure why a 4 family home should ever be more than 4 stories or 40’ (assuming typ. 10’ residential stories). That comes to 1 unit per floor….unless some units occupy 2 floors???
Comment [DU15]: I like this! why not 750 sq ft for accessory units too?
Comment [D16]: Accessory units are limited to 900 sf and the current regs require one extra parking space to be provided for them
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Single Family Structures
Current Regulations Results of Proposed Change
Min. Lot Size 6,000 - sq. ft. 3,200 sq. ft.
Frontage 75 65 feet
Depth 80 feet 0 feet?
Front Setback 20 feet min 10 feet max/min
Side Setback 15 feet 10 feet
Rear Setback 20 feet 20 feet
Maximum Building Height 40 feet Same
Parking 2 spaces per unit, 1 space per units under 750 sq. ft. or accessory unit under 900 sq. ft.
Same
Open Space 30% 50 sq. ft. or relief by SP
Two Family Structures
Current Regulations Results of Proposed Change
Min. Lot Size 12,000 sq. ft. 3,200 sq. ft.
Frontage 75 feet 65 feet
Depth 80 feet 0 feet?
Front Setback 20 feet min 10 feet max/min
Side Setback 15 feet 10 feet
Rear Setback 20 feet 20 feet
Maximum Building Height 40 feet Same
Parking 2 spaces per unit, 1 space per units under 750 sq. ft. or accessory unit under 900 sq. ft.
Same
Open Space 30% Two 50 sq. ft. open spaces100 sq. ft., or relief by SP
Formatted: Space After: 10 pt, Tab stops: Notat 2"
Comment [D17]: Purpose of depth? Perhaps a good place to simplify?
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Three Family Structures (excludes townhomes)
Current Regulations Results of Proposed Change
Min. Lot Size 18,000 sq. ft. 3,200 sq. ft.
Frontage 100 feet 6570 feet
Depth 100 feet 0 feet
Front Setback 10-20 feet min 10 feet max/min
Side Setback 15 feet 10 feet
Rear Setback 20 – 30 feet 20 feet
Maximum Building Height 40-55 feet 40 feet
Parking 2 spaces per unit, 1 space per units under 750 sq. ft. or accessory unit under 900 sq. ft.
Same
Open Space 40% Three 50 sq. ft. open spaces150 sq. ft., or relief by SP
Four Family Homes (excludes townhomes)
Current Regulations Results of Proposed Change
Min. Lot Size 24,000 sq. ft. 3,200 sq. ft.
Frontage 100-200 feet 65 feet
Depth 100-250 feet 0 feet?
Front Setback 20 feet min 10 feet max/min
Side Setback 15 feet 10 feet
Rear Setback 20 – 30 feet 20 feet
Maximum Building Height 40-55 feet 40 feet
Parking 2 spaces per unit, 1 space per units under 750 sq. ft. or accessory unit under 900 sq. ft.
Same
Open Space 40% 200 Four 50 sq. ft. open spaces, or relief by SP
Long-Term Recommendations
Implement parking permits, then reduce parking requirements to 1 off-street parking
space per unit, with provisions for snow emergency parking
Implement fee-in-lieu of parking (this is more feel good than anything else because it
takes an enormous amount of money to create parking)
NOTE:
These recommendations do NOT cover projects with more than 4 units. Zoning should treat
these projects differently than 1-4 family projects.
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URB
Problem: The current zoning discourages infill in urban districts, while the Sustainable
Northampton Comprehensive Plan encourages greater density in these neighborhoods.
Analysis & Discussion: URB differs from URC in that lot sizes are generally larger and there are
generally greater side setbacks between structures. Residents generally support the addition of
units to existing structures and accessory structures, but have expressed concerns about new
large structures being built. In general, the existing conditions in URB are more diverse than
they are in URC. Some neighborhoods are urban in character (Orchard Street) while others have
significantly larger lots and predominantly single-family homes (Lincoln Ave). In URB, in order
to allow only for infill that is in keeping with the current neighborhood character, subdivision of
lots resulting in new primary structures being built between existing structures should be
prevented.
Residents have also expressed concerns about parking. In general, there is more street parking
available in URB than in URC. However, some URB streets do face on-street parking shortages.
Infill in URB is more likely to be noticeable to its residents than infill in URC. URC already has an
urban character. Residents accept—and even appreciate--being close to neighbors, moderate
traffic and on-street parking. They are also accustomed to change, having experienced several
waves of condo conversion and multi-family housing renovations. URB neighborhoods on the
other hand are generally less urban. Although URB neighborhoods might have more capacity to
absorb density than URC neighborhoods (open space, on-street parking, etc), the effects of infill
will be more noticeable to URC residents. In URC, the risk of infill is to reaching a tipping point
where existing infrastructure can’t handle more development. In URB, the risk of infill is
primarily that thesignificanltly altering the existing character of a neighborhood is significantly
altered. For example, in URC, an additional unit might add one car parked on-street in a
neighorhoodneighborhood that always has cars parked. Residents won’t see the difference. In
URB, adding a single car to a street that has never has had on-street parked cars will could be
very quite noticeable to residents.
Proposed Short-Term Solution:
Revise the dimensional standards to allow for infill within existing lots, but prevent splitting of
small lots into even smaller lots, which would result in more new construction and a sense of
less “open space” in these neighborhoods.
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In order to minimize splitting of lots, set minimum frontage and lot sizes as follows:
o Frontage: 65 feet (same as current)
o Lot Size: 5,000 square feet (50% percent of existing 2-family properties have lot
sizes of 4,400 and above. 10,400 sq. ft. would be required to subdivide a
property,))
In order to allow small- scale infill development in existing structures and on existing
lots, remove the link between the number of units and lot size for 1 – 3 family homes.
To allow development in character with existing neighborhoods, change the
dimensional standards to match the traditional neighborhoods more closely. Finally,
simplify the requirements for 1 – 4 family home lots.3
o Replace current standards with the following performance requirements:
Front Setback: 10’ max/min
Side Setback: 15’? min
Rear setback: 20’ min
Parking: Same off-street requirements as current regulations
Open Space: 400 square feet per unit
Comparison of Current Requirements to Proposed Requirements for 1 – 4 Family Home Lots4
Summary (1 – 4 Family Structures)
Current Regulations Results of Proposed Change
Min. Lot Size 8,000 sq. ft – 28,000 sq. ft. 5,000
Frontage 75 – 120 feet min 65 min
Depth 80 – 150 feet min 0? 80? min
Front Setback 20 – 30 feet min 10 feet max/min
Side Setback 15 – 30 feet min 15 feet min
Rear Setback 20 – 30 feet min 20 feet min
Maximum Building Height 35 – 40 feet max 35 feet max
Parking 2 spaces per unit, 1 space per units under 750 sq. ft. or accessory unit under 900 sq. ft.
Same
Open Space 40 – 50% Mininum of 400 contiguous sq. ft. per unit (400 – 1600 sq. ft.) or relief by SP
Single Family Structures
Current Regulations Results of Proposed Change
3 Redefine what is currently called “multifamily” in the current zoning to be 5 units or more
4 Does not include comparison to cluster development provisions
Comment [D18]: Was 5,200 based on 70% conforming analysis. Rounded to 5,000 based on Carolyn’s suggestiong. 5,000 sf is the statutory minimum for the “single lot exemption”
Comment [D19]: 50% of properties in URB are above 10400 sf. But, many could not be easily subdivided – e.g. if principal structure is at center, then not easy to subdivide.
Comment [D20]: Set to 70% conforming?
Comment [D21]: Not sure. Dillon suggested 15’ x 15’ or 225 sf per unit. What about keeping the current % open space? Say,30 or 40% open space
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Min. Lot Size 8,000 sq. ft. 5,000
Frontage 75 feet min 65 min
Depth 80 feet min ? feet min
Front Setback 20 feet min 10 feet max/min
Side Setback 15 feet min 15 feet min
Rear Setback 20 feet min 20 feet min
Maximum Building Height 35 feet max 35 feet max
Parking 2 spaces per unit, 1 space per units under 750 sq. ft. or accessory unit under 900 sq. ft.
Same
Open Space 50% One 400 sq. ft. space
Two Family Structures
Current Regulations Results of Proposed Change
Min. Lot Size 12,000 sq. ft. 5,000 sq. ft.
Frontage 80 feet min 65 feet min
Depth 100 feet min ? feet min
Front Setback 20 feet min 10 feet max/min
Side Setback 15 feet min 15 feet min
Rear Setback 20 feet min 20 feet min
Maximum Building Height 35 feet max 35 feet max
Parking 2 spaces per unit, 1 space per units under 750 sq. ft. or accessory unit under 900 sq. ft.
Same
Open Space 50% Two 400 sq. ft. spaces800 sq. ft.
Three Family Structures
Current Regulations Results of Proposed Change
Min. Lot Size 21,000 sq. ft. 5,000 sq. ft.
Frontage 120 feet min 65 feet min
Depth 150 feet min ? feet min
Front Setback 30 feet min 10 feet max/min
Side Setback 30 feet min 15 feet min
Rear Setback 30 feet min 20 feet min
Maximum Building Height 40 feet max 35 feet max
Parking 2 spaces per unit, 1 space per units under 750 sq. ft. or accessory unit under 900 sq. ft.
Same
Open Space 40% Three 400 sq. ft. 1,200 sq. ft.spaces
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Long-Term Recommendations
Consider parking permits and parking requirement reductions, with provisions for snow
emergency parking.
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URA
Problem: The current zoning discourages infill in urban districts, while the Sustainable
Northampton Comprehensive Plan encourages greater density in these neighborhoods.
Analysis & Discussion: URA is the least dense of the three urban residential districts. The
district has approximately 700 single-family properties, approximately 50 2-family properties,
and a handful of 3-8 family properties. The city should encourage smaller lots in this district,
allow two-family dwellings by right, and allow three-family dwellings by special permit.
Proposed Short-Term Solution:
In order to encourage smaller single family lots:
Change minimum lot size requirements for single-family homes to 10,000 square feet
(~1/4 acre), 76% percent of existing 1-family properties have lot sizes of 10,000 sq. ft.
and above. 20,000 sq. ft. would be required to subdivide a property,)
Change minimum open space requirements for single-family homes to 50% (reduced
from 60%)
Allow for two-family homes using current URB requirements
o 12,000 sq. ft.
Comparison of Current Requirements to Proposed Requirements for 1 – 3 Family Home Lots
1 Family Structures
Current Regulations Results of Proposed Change
Min. Lot Size 12,000 sq. ft. 10,000 sq. ft.
Frontage 75 Same
Depth 100 0 feet 80?
Front Setback 20 min 15 feet max/min
Side Setback 10 15 feet
Rear Setback 20 20 feet
Maximum Building Height 35 feet 35 feet
Parking 2 spaces (?) 2 spaces per unit, 1 space per units under 750 sq. ft. or accessory unit under 900 sq. ft.
Open Space 60% 50%
Two Family Structures
Current Regulations - Not Currently Allowed, Single Family Regulations Shown
Results of Proposed Change
Comment [D22]: Carolyn’s comment: Or get rid of URA? Dani: Could we change URA and SR to RR? What is rationale for getting rid of URA?
Comment [D23]: 38% of properties in URA are above 20,0000 sf.
Comment [D24]: Not sure what is most appropriate.
Comment [D25]: Same as URB
Comment [DU26]: Do we really need an open space requirement on a 10000 square foot lot?
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Min. Lot Size 12,000 sq. ft. 12,000 sq. ft.
Frontage 75 feet 75 feet
Depth 100 feet 0 feet
Front Setback 20 feet min 15 feet max/min
Side Setback 10 feet 15 feet
Rear Setback 20 feet 20 feet
Maximum Building Height 35 feet 35 feet
Parking 2 spaces (?), 1 space per accessory unit under 900 sq. ft.
2 spaces per unit, 1 space per unit under 750 sq. ft. or accessory unit under 900 sq. ft.
Open Space 60% 50%
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Additional Recommendations Regarding
Nonconforming Properties and Making Zoning Easier to Understand
Goal: Reduce inconvenience and hardship associated with owning a non-conforming property.
Problem: The city has high rates of non-conforming properties. This can create additional
requirements, as well as anxiety among property owners.
Recommendation: The Office of Planning and Development publishes a document that on
summarizes “What Non-Conformance Means to You.”
Goal: Make the zoning easier to understand.
Problem: The zoning code is quite complex and difficult to understand.
Implications:
● Residents worry that zoning is not being applied equally in all situations.
● Residents feel like they cannot predict what to expect on neighboring properties.
● Some residents may not pursue projects because they think the zoning does not allow
thefor a project, when in fact the zoning has exceptions that would allow itthe project.
● Some residents need to hire experts to interpret zoning.
Recommendations:
● Publish a handbook on how to use the zoning code. The handbook should layout step-
by-step processes for determining how zoning applies to common projects.
● Publish a summary of all administrative rules used by the Office of Planning and
Development, the Planning Board, or others on the city’s website.
● Use graphics to explain zoning whenever possible.
● Improve the definitions section of the zoning code. All definitions should be in the
definition section —not in the body of the code.
● Improve the use and dimensional tables
○ Either combine the dimensional and use tables, or
○ Reorganize the tables so that their structures are parallel
● Long-term: Restructure and rewrite the entire zoning code