Erie County
Village of Williamsville, NY: zoning for new construction
The Village of Williamsville sets a residential minimum of about 0.23 acres in R-1 Single-Family Residential District, one of its 4 zoning districts. No local short-term-rental law on record - which is not the same as permission. 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) 632-7747 before you rely on a figure.
Looking specifically at an accessory dwelling unit? See ADU rules for Williamsville →
Zoning districts
| District | Min lot | Setbacks F / S / R | Max height | ADU |
|---|---|---|---|---|
| R-1 Single-Family Residential District | 0.23 ac | 25 / 5 / 25 ft | 30 ft | Occupancy restricted |
| R-2 Single-Family Residential District | 0.23 ac | 25 / 5 / 25 ft | 30 ft | Occupancy restricted |
| R-3 Single-Family or Two-Family Residential District | 0.23 ac | 25 / 5 / 25 ft | 30 ft | Occupancy restricted |
| R-3M Multiple-Dwelling District | 0.23 ac | 25 / 5 / 25 ft | 30 ft | As of right |
Short-term rentals
No local short-term-rental law on record - which is not the same as permission. No local short-term-rental law found for the Village of Williamsville as of 2026-08-06; absence of a found law is not permission. New York State's 2025 STR registry (Ch. 99 of the Laws of 2025) separately requires every host statewide to register through the Erie County registry. Confirm with the village at (716) 632-7747 before listing.
Good to know
- UtilityNational Grid territory.
- Building dept(716) 632-7747
- Last reviewed2026-08-06
Working out a budget? A standard-finish build here runs $204–$268/sq ft , and a conforming lot adds about $53,914 on top - see the full cost to build a house in Williamsville, or what an ADU costs here.
Sizing up a specific parcel in Williamsville?
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 · West Seneca · 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)
Zoning figures for Village of Williamsville 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) 632-7747 before relying on any number. Source: Offsite / Aldo zoning dataset, municipalData.js.