Suffolk County Block and Lot (New York)

The Recorder of Deeds ensures the accuracy of Suffolk County property, land, and property tax records for the Suffolk County, New York government. As part of this job, they keep real estate documents including information on Suffolk County block and lot divisions. Suffolk County Recorders provide online access to a searchable block and lot database that can identify the parcel number of any Suffolk County property by its address. Block and lot information, which covers both urban and suburban areas, can show subdivided lots, lot identifiers, and the tracts of land Suffolk County, NY. The Registrar of Deeds may also provide Suffolk County plat maps and property maps that show block and lot information.

Suffolk County Recorder of Deeds Riverhead NY 310 Center Drive South 11901 631-852-2000


The Suffolk County Clerk Office stores important public records for the Suffolk County local government, including records related to Suffolk 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 Suffolk County, NY. They may also include other descriptions of the property for both urban and suburban areas. Clerk Offices in Suffolk County provide online tools to look up the block and lot information for any property by its address.

Amityville Clerk Amityville NY 21 Ireland Place 11701 631-691-3303

Bellport Village Clerk Bellport NY 29 Bellport Lane 11713 631-286-0327

Brightwaters Village Clerk Brightwaters NY 40 Seneca Drive 11718 631-665-1280

East Hampton Town Clerk Montauk NY THE Plz 11954 631-668-5081

Head Of The Harbor Village Clerk St. James NY 500 New York 25A 11780 631-584-5550

Jo Ann Raia Town Clerk Huntington NY 100 Main Street 11743 631-673-9477

Lindenhurst Clerk Lindenhurst NY 430 South Wellwood Avenue 11757 631-957-7501

Lloyd Harbor Village Clerk Lloyd Harbor NY 32 Middle Hollow Road 11743 631-549-8893

North Haven Village Clerk Sag Harbor NY 335 Ferry Road 11963 631-725-1378

Northport Village Clerk Northport NY 224 Main Street 11768 631-261-7502

Quogue Village Clerk Westhampton Beach NY 172 Dune Road 11978 631-653-4498

Southampton Town Clerk Hampton Bays NY 25 Ponquogue Avenue 11946 631-723-3820

Southampton Village Clerk Southampton NY 23 Main Street 11968 631-283-0247

Southold Town Clerk Southold NY 53095 Middle Road 11971 631-765-1801

Suffolk County Clerk Riverhead NY 310 Center Drive 11901 631-852-2000

Suffolk County Clerk Riverhead NY 310 Center Drive South 11901 631-852-2041

Suffolk County Clerk Central Islip NY 400 Carleton Avenue 11722 631-853-4312

The Building Department is responsible for creating and enforcing Suffolk County building codes and zoning regulations in order to ensure the construction of safe buildings. As part of that job, Suffolk 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 Suffolk County block and lot databases, and they provide parcel numbers, subdivisions within a lot, lot identifiers, and tracts of land. Building Departments in Suffolk 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.

Branch Village Building Department Smithtown NY 40 Route 111 11787 631-979-8989

Brookhaven Zoning Farmingville NY 1 Independence Hill 11738 631-451-6477

East Hampton Planning Department East Hampton NY 300 Pantigo Place, Ste 105 11937 631-324-2178

East Hampton Zoning East Hampton NY 300 Pantigo Place, Ste 105 11937 631-324-8816

Huntington Zoning Huntington NY 100 Main Street 11743 631-351-3123

Islip Planning Department Islip NY 655 Main Street 11751 631-224-5450

Lindenhurst Building Department Lindenhurst NY 430 South Wellwood Avenue 11757 631-957-7510

Lindenhurst Zoning Lindenhurst NY 430 South Wellwood Avenue 11757 631-957-7516

New York State Permits Stony Brook NY 50 Circle Road 11790 631-716-3608

North Babylon Town Building Department Lindenhurst NY 200 Sunrise Highway 11757 631-957-3108

Patchogue Building Department Patchogue NY 14 Baker Street 11772 631-475-8942

Port Jefferson Building Department Port Jefferson NY 88 North Country Road 11777 631-473-4744

Sag Harbor Building Department Sag Harbor NY 55 Main Street 11963 631-725-0224

Shelter Island Town Zoning Shelter Island NY 46 North Ferry Road 11964 631-749-0758

Smithtown Building Department Smithtown NY 99 West Main Street 11787 631-360-7520

Smithtown Zoning Smithtown NY 99 West Main Street 11787 631-360-7540

Southampton Zoning Southampton NY 116 Hampton Road 11968 631-287-5707

Southold building department Southold NY 54375 Middle Road 11971 631-765-1802

Suffolk County Planning Department Hauppauge NY 100 Veterans Memorial Highway, Ste 4 11788 631-853-5191

Westhampton Beach Building Department Westhampton Beach NY 165 Mill Road 11978 631-288-3444

Westhampton Beach Zoning Westhampton Beach NY 165 Mill Rd 11978 631-288-3479


The Assessor Office determines the value of taxable property within a Suffolk County or local area. These property assessments are used to calculate property taxes in Suffolk County, New York. Assessors keep detailed information on Suffolk 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 Suffolk County property maps known as plat maps that show block and lot information.

East Hampton Town Assessor East Hampton NY 300 Pantigo Place, Ste 108 11937 631-324-4187

Islip Assessor Islip NY 40 Nassau Avenue, Ste 3 11751 631-224-5585

Patchogue Assessor Patchogue NY 14 Baker Street 11772 631-475-2561

Shelter Island Assessor Shelter Island NY 38 North Ferry Road 11964 631-749-1080

Smithtown Town Assessor Smithtown NY 40 Maple Avenue 11787 631-360-7560