Westchester County Block and Lot (New York)

The Building Department is responsible for creating and enforcing Westchester County building codes and zoning regulations in order to ensure the construction of safe buildings. As part of that job, Westchester County Building Departments maintain a number of property-related records, including documents on block and lot information. These records can include plat maps, property maps, and Westchester County block and lot databases, and they provide parcel numbers, subdivisions within a lot, lot identifiers, and tracts of land. Building Departments in Westchester County, New York may provide access to an online, searchable database to identify blocks, lots, and parcel numbers for properties, which can also show zoning boundaries.

Ardsley Building Department Ardsley NY 507 Ashford Avenue 10502 914-693-6961

Armonk Building Department Armonk NY 17 Bedford Road 10504 914-273-8625

Bedford Planning Department Bedford Hills NY 425 Cherry Street 10507 914-666-4434

Bedford Zoning Bedford Hills NY 425 Cherry Street 10507 914-666-4585

Bronxville Building Department Bronxville NY 200 Pondfield Road 10708 914-337-7338

Croton On Hudson Permits Croton-on-Hudson NY 1 Van Wyck St 10520 914-271-4781

Eastchester Building Department Eastchester NY 40 Mill Road, Rm 206 10709 914-771-3317

Greenburgh Building Department White Plains NY 177 Hillside Avenue 10607 914-993-1575

Harrison Zoning Harrison NY 1 Heineman Place 10528 914-670-3075

Hastings-On-Hudson Village Zoning Hastings-on-Hudson NY 7 Maple Avenue 10706 914-478-3402

Lewisboro Building Department South Salem NY 79 Bouton Road 10590 914-763-3060

Lewisboro Planning Department South Salem NY 79 BoutonRoad 10590 914-763-5592

Lewisboro Town Zoning South Salem NY 79 Bouton Road 10590 914-763-3822

Mamaroneck Building Department Mamaroneck NY 169 Mount Pleasant Avenue 10543 914-777-7731

Mt Vernon Zoning Mount Vernon NY 1 Roosevelt Square North 10550 914-665-2393

New Rochelle City Permits New Rochelle NY 515 North Avenue 10801 914-654-2140

New Rochelle Zoning New Rochelle NY 515 North Avenue 10801 914-654-2033

North Castle Building Department Armonk NY 17 Bedford Road, Ste 1 10504 914-273-3714

North Salem Planning Department North Salem NY 270 Titicus Road 10560 914-669-5661

North Salem Zoning North Salem NY 270 Titicus Road 10560 914-669-5952

Ossining Planning Department Ossining NY 101 U.s. 9 10562 914-762-8675

Ossining Village Building Department Ossining NY 2 U.s. 9, # 2 10562 914-941-3199

Peekskill Building Department Peekskill NY 840 Main Street 10566 914-734-4140

Peekskill Planning Department Peekskill NY 840 Main St 10566 914-734-4210

Peekskill Zoning Peekskill NY 840 Main Street 10566 914-734-4211

Port Chester Building Department Port Chester NY 222 Grace Church Street, Ste 105 10573 914-939-5203

The Assessor Office determines the value of taxable property within a Westchester County or local area. These property assessments are used to calculate property taxes in Westchester County, New York. Assessors keep detailed information on Westchester County block and lot divisions, and many provide an online, searchable database to identify blocks, lots, and parcel numbers for properties by address. Urban and suburban block and lot information includes parcel numbers, subdivisions in a lot, and all tracts of land in the area. Assessor Offices may also have Westchester County property maps known as plat maps that show block and lot information.

Bedford Assessor Bedford Hills NY 321 Bedford Road 10507 914-666-5149

Cortlandt Assessor Cortlandt NY 1 Heady Street 10567 914-734-1040

Harrison Town Assessor Harrison NY 1 Heineman Place 10528 914-670-3040

Lewisboro Town Assessors South Salem NY 79 Bouton Road 10590 914-763-3034

Mount Vernon Assessor Mount Vernon NY 1 Roosevelt Square North, Ste 1 10550 914-665-2325

North Salem Town Assessor North Salem NY 270 Titicus Road 10560 914-669-5214

Ossining Assessor Ossining NY 16 Croton Avenue 10562 914-762-8274

Peekskill Assessor Peekskill NY 840 Main Street 10566 914-734-4190

Pelham Town Assessor Pelham NY 34 Fifth Avenue 10803 914-738-1642

Pleasantville Assessor Pleasantville NY 80 Wheeler Avenue 10570 914-769-1500


The Westchester County Clerk Office stores important public records for the Westchester County local government, including records related to Westchester County property such as block and lot information. These records can include plat maps, property maps, and block and lot databases, and they show parcel numbers, subdivisions within a lot, tracts of land, and lot identifiers in Westchester County, NY. They may also include other descriptions of the property for both urban and suburban areas. Clerk Offices in Westchester County provide online tools to look up the block and lot information for any property by its address.

Bedford Town Clerk Bedford Hills NY 321 Bedford Road 10507 914-666-4534

Briarcliff Manor Village Clerk Briarcliff Manor NY 1111 Pleasantville Road 10510 914-941-4802

Cortland Town Clerk Cortlandt NY 1 Heady Street 10567 914-734-1020

Dobbs Ferry Village Clerk Dobbs Ferry NY 112 Main Street 10522 914-693-6161

Eastchester Town Clerk Eastchester NY 40 Mill Road, Rm 103 10709 914-771-3351

Greenburgh Town Clerk White Plains NY 320 Tarrytown Road 10607 914-993-1500

Harrison Clerk Harrison NY 1 Heineman Place 10528 914-670-3010

Hastings-On-Hudson Village Clerk Hastings-on-Hudson NY 7 Maple Avenue 10706 914-478-3400

Larchmont Village Clerk Larchmont NY 120 Larchmont Avenue, Ste 1 10538 914-834-6230

Lewisboro Town Clerk South Salem NY 11 Main St 10590 914-763-3511

Mt Pleasant Town Clerk Valhalla NY 1 Town Hall Plaza 10595 914-769-1766

Mt Vernon City Clerk Mount Vernon NY 1 Roosevelt Square North, Ste 1 10550 914-665-2348

Pelham Clerk Pelham NY 34 Fifth Avenue 10803 914-738-2205

Pleasantville Clerk Pleasantville NY 80 Wheeler Avenue 10570 914-769-2027