Aldo

Westchester County

Building in Westchester County, NY: zoning by town

Zoning in Westchester County changes at every town line. Below is each municipality with its actual districts, lot minimums, setbacks, and short-term-rental rules - pick a town for the full breakdown.

Working out a budget too? A standard-finish build in Westchester County runs $242–$318/sq ft - see the full cost-to-build breakdown by system.

The Westchester County market at a glance

Westchester County is home to about 999,677 people, with a median home value of $663,200 against a median household income of $118,976, and 62% of homes owner-occupied.

999,677
Population · +0.6%
$118,976
Median household income
$663,200
Median home value
62%
Owner-occupied
5%
Housing vacancy

How much gets built here

Builders pulled 1,592 residential permits across Westchester County in 2024, down from 2,319 in 2021; permitting peaked at 3,454 in 2022. New supply is the lever that actually moves affordability, so a county's permit pace is the clearest read on whether its housing pipeline is open or stalled.

Permits: U.S. Census Bureau Building Permits Survey.

On the supply side, Westchester County has roughly 12,085 vacant residential parcels on the tax rolls, with vacant land assessed around $72k/acre. See where it sits on the land-inventory and price-per-acre maps.

43 municipalities

City of Harrison
19 districts · residential min lot 0.0918–2.5 ac
City of Mount Vernon
19 districts · residential min lot 0.0826–0.3444 ac
City of New Rochelle
38 districts · residential min lot 0.1607–0.4591 ac
City of Peekskill
25 districts · residential min lot 0.1148–5 ac
City of Rye
24 districts · residential min lot 0.0574–10 ac
City of White Plains
33 districts · residential min lot 0.0689–0.6887 ac
City of Yonkers
26 districts · residential min lot 0.1148–0.4591 ac
Town of Bedford
16 districts · residential min lot 0.0803–4 ac
Town of Cortlandt
19 districts · residential min lot 0.1722–3.6731 ac
Town of Eastchester
19 districts · residential min lot 0.008–0.4591 ac
Town of Greenburgh
27 districts · residential min lot 0.0057–35 ac
Town of Lewisboro
13 districts · residential min lot 0.1722–4 ac
Town of Mamaroneck
17 districts · residential min lot 0.0344–1.1478 ac
Town of Mount Pleasant
32 districts · residential min lot 0.1148–6 ac
Town of New Castle
17 districts · residential min lot 0.2583–2 ac
Town of North Castle
31 districts · residential min lot 0.1148–4 ac
Town of North Salem
12 districts · residential min lot 0.25–10 ac
Town of Ossining
15 districts · residential min lot 0.0918–0.9183 ac
Town of Pound Ridge
7 districts · residential min lot 1–3 ac
Town of Somers
15 districts · residential min lot 0.2296–500 ac
Town of Yorktown
25 districts · residential min lot 0.0833–4.5914 ac
Village of Ardsley
10 districts · residential min lot 0.1722–8 ac
Village of Briarcliff Manor
23 districts · residential min lot 0.1148–5 ac
Village of Bronxville
8 districts · residential min lot 0.2755–0.6887 ac
Village of Buchanan
10 districts · residential min lot 0.1722–0.9183 ac
Village of Croton-on-Hudson
20 districts · residential min lot 0.0574–0.9183 ac
Village of Dobbs Ferry
22 districts · residential min lot 0.1148–0.9183 ac
Village of Elmsford
10 districts · residential min lot 0.0574–4 ac
Village of Hastings-on-Hudson
24 districts · residential min lot 0.0344–0.4591 ac
Village of Irvington
11 districts · residential min lot 0.1148–1.8365 ac
Village of Larchmont
10 districts · residential min lot 0.0344–0.6887 ac
Village of Mamaroneck
25 districts · residential min lot 0.0574–0.9183 ac
Village of Mount Kisco
24 districts · residential min lot 0.1435–0.5165 ac
Village of Ossining
23 districts · residential min lot 0.1148–0.9183 ac
Village of Pelham
12 districts · residential min lot 0.1148–0.2296 ac
Village of Pelham Manor
14 districts
Village of Pleasantville
17 districts · residential min lot 0.1148–0.5 ac
Village of Port Chester
16 districts · residential min lot 0.1148 ac
Village of Rye Brook
18 districts · residential min lot 0.1148–10 ac
Village of Scarsdale
18 districts · residential min lot 0.1148–2 ac
Village of Sleepy Hollow
17 districts · residential min lot 0.0918–1 ac
Village of Tarrytown
24 districts · residential min lot 0.1148–1.8365 ac
Village of Tuckahoe
9 districts · residential min lot 0.0275–0.2296 ac

Sizing up a specific parcel in Westchester County?

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.

Zoning compiled from municipal codes for decision-support only - not legal, engineering, or architectural advice. Verify with the municipality before relying on any figure. County demographics: U.S. Census Bureau ACS 5-Year Estimates (2024). Building permits: U.S. Census Bureau Building Permits Survey. Vacant-land counts: NYS statewide tax parcels.

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