Westchester County, NY

Westchester County, NY assessor property search and records

Use this county guide to find official assessor property search resources, recorder and deed links, tax records, GIS parcel maps, permits, and property data insights for Westchester County, New York. Search an address or APN, then jump to official county sources or property tax and value data.

Official sources

Westchester County assessor, recorder, tax, and parcel map sources

Use this table to find the official county source for assessor property search, recorded documents, property tax, GIS parcel maps, permits, and zoning records.

Westchester County official assessor, tax, deed, GIS, permit, and land-use sources
Record typeOfficial sourceNotes
Assessed valuesWestchester County Municipal Tax Parcel Viewergiswww.westchestergov.com/taxmaps/
  • Provides parcel data and mapping.
  • Authoritative tax maps reside with local municipal assessors.
  • Users can generate mailing labels for abutters.
Deeds and recorded documentsWestchester Records Onlinewro.westchesterclerk.com
  • Requires user registration.
  • Provides access to deeds, judgments, and other legal property documents.
Property taxesWestchester County Tax Commissionwww.westchestercountyny.gov/tax-commission
  • County does not collect property taxes directly; taxes are paid to local towns or cities.
  • Provides resources on exemptions, equalization rates, and tax laws.
GIS and parcel mapsWestchester County Municipal Tax Parcel Viewergiswww.westchestergov.com/taxmaps/
  • Informational GIS mapping system.
  • Boundaries are approximate and not a substitute for a legal survey.
Permits and building recordsWestchester County Department of Public Works - Building and Road Permitspublicworks.westchestercountyny.gov/permits-and-programs/building-and-road-permits
  • County permits are limited to construction on or adjacent to county property.
  • Most building permits are handled at the municipal level.
Zoning and land useWestchester County Zoning Districts Mapwww.arcgis.com/home/item.html
  • Composite layer of zoning districts for all 43 municipalities.
  • Zoning authority is held by individual municipalities; verify with local planning departments.
County data

Westchester County tax rates and property values

County and city-level rollups from AssessorSearch indexed property data. Use these values as directional context, then verify parcel-specific details with the official county sources above.

Median estimated value$885,034

Median estimated market value for properties in this county.

AssessorSearch county data
Median assessed value$19,500

Median assessed value from county assessment records when available.

AssessorSearch county data
Median annual property tax$4,806

Median annual property tax amount from indexed tax records when available.

AssessorSearch county data
Median effective property tax rate0.47%

Median effective property tax rate calculated from annual tax and value fields.

AssessorSearch county data

City property data

Top city rollups for estimated value, assessed value, property tax rate, and tax amount.

Westchester County city-level property value and tax-rate rollups
CityMedian estimated valueMedian assessed valueMedian effective property tax rateMedian tax amount
Yonkers$723,674$10,1000.24%$1,819
White Plains$843,784$14,7000.19%$1,788
New Rochelle$1,024,376$14,2650.41%$4,365
Scarsdale$1,731,957$1,054,9001.26%$24,720
Yorktown Heights$735,061$9,7000.61%$4,724
Mount Vernon$708,160$9,5002.05%$15,888
Ossining$653,601$475,3001.52%$9,578
Cortlandt Manor$694,154$6,4000.56%$4,208
Port Chester$776,267$662,6500.30%$2,416
Peekskill$538,129$7,9000.70%$3,825
FAQ

Westchester County property records FAQ

Common questions about assessor, deed, tax, GIS, and permit records.

Where can I verify assessed value in Westchester County?

Use the official Westchester County Municipal Tax Parcel Viewer for assessed values, parcel details, exemptions, and property characteristics when those records are available online.

Where can I look up Westchester County property tax bills or payments?

Use the official Westchester County Tax Commission for property tax bills, payment history, due dates, or tax collector records.

Where can I find deeds or recorded documents in Westchester County?

Use the official Westchester Records Online for deeds, mortgages, liens, plats, and other recorded documents. These records are usually separate from assessor property-value records.

Where can I view parcel maps or GIS data in Westchester County?

Use the official Westchester County Municipal Tax Parcel Viewer for parcel maps, map layers, boundaries, and GIS context. GIS maps should be treated as reference tools, not legal surveys.

Can I build a list of Westchester County property owners?

Use Affix by AssessorSearch for county property owner lists, filters, exports, skip tracing, and outreach workflows.

Need many owners? Build targeted property lists with Affix
Related counties

More New York property records

Use related county pages when researching nearby property records or comparing official source patterns.

Nassau CountyNYBronx CountyNYPutnam CountyNYSuffolk CountyNYQueens CountyNYKings CountyNYAll New York county guidesNY