Erie County
Town of West Seneca, NY: zoning for new construction
Residential lots in the Town of West Seneca run from a 0.184-acre minimum in Residential District R-50 up to 0.459 acres in Residential District R-100A, across 9 zoning districts in all. Short-term rentals allowed with local rules. Power here is National Grid territory. The district table below has the setbacks, height limits and coverage - confirm the specifics with the building department at (716) 558-3242 before you rely on a figure.
Looking specifically at an accessory dwelling unit? See ADU rules for West Seneca →
Zoning districts
| District | Min lot | Setbacks F / S / R | Max height | ADU |
|---|---|---|---|---|
| Residential District R-100A | 0.459 ac | 40 / 10 / 50 ft | 30 ft | No |
| Residential District R-90 | 0.275 ac | 30 / 10 / 30 ft | 30 ft | No |
| Residential District R-90A | 0.275 ac | 40 / 10 / 30 ft | 30 ft | No |
| Residential District R-75 | 0.23 ac | 30 / 5 / 30 ft | 30 ft | No |
| Residential District R-75A | 0.23 ac | 40 / 5 / 30 ft | 30 ft | No |
| Residential District R-65 | 0.195 ac | 30 / 5 / 30 ft | 30 ft | No |
| Residential District R-65A | 0.195 ac | 40 / 5 / 30 ft | 30 ft | No |
| Residential District R-60A | 0.23 ac | 40 / 5 / 30 ft | 30 ft | No |
| Residential District R-50 | 0.184 ac | 30 / 5 / 30 ft | 30 ft | No |
Short-term rentals
Short-term rentals allowed with local rules. Short-term rentals require a Town permit and licence under Chapter 95, Part 2, Short-Term Rentals, adopted 2-13-2023 by L.L. No. 2-2023. § 95-16 lists prohibited practices, § 95-17 the regulations, § 95-18 the approval process and §§ 95-19 through 95-23 permit expiry, transfer, revocation, notice and appeals. New York State's 2025 short-term rental registry (Ch. 99 of the Laws of 2025) separately requires every host statewide to register the unit regardless of local law. Confirm with Town of West Seneca at (716) 558-3242 before listing.
Good to know
- UtilityNational Grid territory.
- Building dept(716) 558-3242
- Last reviewed2026-08-06
Working out a budget? A standard-finish build here runs $204–$268/sq ft , and a conforming lot adds about $2,000 on top - see the full cost to build a house in West Seneca, or what an ADU costs here.
Sizing up a specific parcel in West Seneca?
Aldo pulls the exact zoning district, setbacks, and build feasibility for any parcel — before you buy. Enter your email to open Aldo and run your free report.
Other Erie County towns
All Erie County zoning: Buffalo (City) · Lackawanna (City) · Tonawanda (City) · Alden · Amherst · Aurora · Boston · Brant · Cheektowaga · Clarence · Colden · Collins · Concord · Eden · Elma · Evans · Grand Island · Hamburg · Holland · Lancaster · Marilla · Newstead · North Collins · Orchard Park · Sardinia · Tonawanda · Wales · Akron (Village) · Alden (Village) · Angola (Village) · Blasdell (Village) · Depew (Village) · East Aurora (Village) · Farnham (Village) · Gowanda (Village) · Hamburg (Village) · Kenmore (Village) · Lancaster (Village) · North Collins (Village) · Orchard Park (Village) · Sloan (Village) · Springville (Village) · Williamsville (Village)
Zoning figures for Town of West Seneca are compiled from the municipal code (last reviewed 2026-08-06) and provided for decision-support only - not legal, engineering, or architectural advice. Setback and dimensional standards often carry conditions and exceptions; verify with the building department at (716) 558-3242 before relying on any number. Source: Offsite / Aldo zoning dataset, municipalData.js.