ADUs are allowed in SyracuseTypes:DetachedInternal
Types:DetachedInternal
Accessory Dwelling Unit (ADU) Rules for Syracuse, NY
Is your property eligible for an ADU?
# of Properties
37,525
Owner-occupied
50%
Zoning districts
23
Avg Home Value
$107,824
Median Lot Size
0.13 acres
Avg Income
$60,464
Residential Types:
37,525 housing units
Single Family
66%
2-3 Family
20%
Apts (4+ units)
6%
Other
7%
Zoning Districts:
41,109 parcels · 23 districts
R1
44%(18,261)
R2
26%(10,722)
R3
6%(2,609)
MX-2
5%(2,087)
Other
18%(7,430)
ADU Rules
What can you build in Syracuse, NY?
Syracuse, NY follows state and local rules for Accessory Dwelling Units. Here is a concise overview of the local rules.
Eligibility
- –Internal / Attached ADU: By Right
- –Detached ADU: By Right
Interior / Attached ADU Size Limits
- –Maximum of 800 sq ft and not more than 50% of the principal dwelling’s heated (habitable) floor area, whichever is less
Detached ADU Size Limits
- –Maximum size of 800 sq ft
- –Maximum size of 50% of the principal dwelling’s heated floor area
Max Units
- –1 ADU per lot total for single-unit detached owner-occupied lots (whether attached or detached).
- –0 ADUs per lot for two-unit duplex, multi-unit, or non-owner-occupied single-unit lots
Owner Occupancy
- –Owner must reside in either the primary dwelling or the ADU
Parking
- –0 spaces required; no max stated; exceptions: detached ADUs may not have a separate driveway from the primary dwelling (alley access allowed); parking caps apply only to commercial/industrial uses, not ADUs
Rental Restrictions
- –Short-term rentals (<30 days) prohibited; ADU occupancy must be 30+ days
ADU State Law
What can you build in New York?
- –New York does not have a statewide ADU law; all ADU rules are set by individual municipalities.
- –ADUs may also be referenced as "accessory apartments" or "accessory living units," and definitions are not standardized statewide.
What's allowed on your lot?
These are the municipality-wide rules. What's allowed on a specific property also depends on state laws, setbacks, floor area ratio, lot coverage, environmental constraints, topography, and other property-specific factors. Search your address on FutureLot to see what's allowed on your property.
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ADU rules in other New York municipalities
Rules change at the town line. Check the municipality your property is actually in.
Onondaga County
Town Of CamillusTown Of CiceroTown Of ClayTown Of De WittTown Of GeddesTown Of LysanderTown Of ManliusTown Of MarcellusTown Of OnondagaTown Of SalinaTown Of SkaneatelesVillage Of BaldwinsvilleVillage Of CamillusVillage Of East SyracuseVillage Of ElbridgeVillage Of FabiusVillage Of FayettevilleVillage Of LiverpoolVillage Of ManliusVillage Of MarcellusVillage Of MinoaVillage Of North SyracuseVillage Of SkaneatelesVillage Of Solvay