Nassau County Survey Maps (New York)

The Nassau County Assessor Office determines the value of taxable property in their jurisdiction in order to assess property taxes in Nassau County, NY. As part of this responsibility, Assessors maintain detailed neighborhood maps that contain information about the land in their county or local area. These survey maps include all the Nassau County property under the Assessor's authority, property lines, boundary locations, and lot dimensions. These survey maps also show public land, unclaimed parcels, roads, and bodies of water, as well as other geographical information. They typically also include Nassau County property value assessments, and may provide information on the current property owners and the property tax history for each property. The Assessor Office may provide online access to Nassau County survey maps.

Freeport Assessor Freeport NY 46 North Ocean Avenue 11520 516-377-2256

Nassau County Assessor's Office Mineola NY 240 Old Country Road 11501 516-571-1500


The Nassau County Clerk Office keeps public records for a county or local government, including vital documents, property records, and maps in Nassau County, NY. The Nassau County survey maps at the Clerk Office provide a range of information about the local area, such as public and private property, geographical features, and roads. They may also show zoning boundaries, flood zones, and unclaimed parcels. These maps are particularly useful for property-related information, such as property lines, parcel numbers, and lot dimensions, as well as property appraisals and Nassau County property tax assessments. They may also include property ownership information, tax liens, and foreclosures. These Nassau County survey maps are often available through the Clerk Office website.

Brookville Clerk East Norwich NY 104 Susan Cove 11732 516-922-8198

East Rockaway Clerk East Rockaway NY 376 Atlantic Avenue 11518 516-887-6312

Glen Cove Clerk Glen Cove NY 9 Glen Street, # 13 11542 516-676-2000

Hempstead Town Clerk Hempstead NY 1 Washington Street 11550 516-812-3142

Kensington Village Clerk Great Neck NY 2 Nassau Drive 11021 516-482-4409

Malverne Clerk Malverne NY 99 Church Street 11565 516-599-0722

Matinecock Village Clerk Locust Valley NY 63 Midway Avenue 11560 516-671-7790

Nassau County Clerk Garden City NY 240 Old Country Road 11530 516-571-2660

Nassau County Clerk Westbury NY 1200 Old Country Road 11590 516-493-3900

New Hyde Park Clerk New Hyde Park NY 1420 Jericho Turnpike 11040 516-354-0022

North Hempstead Town Clerk Manhasset NY 200 Plandome Road 11030 516-869-7650

North Hills Clerk Roslyn NY 1 Shelter Rock Road 11576 516-365-8857

Old Westbury Village Clerk Old Westbury NY 1 Store Hill Road, Unit A 11568 516-626-0800

Oyster Bay Town Clerk Oyster Bay NY 54 Audrey Avenue 11771 516-624-6320

Oyster Bay Town Clerk Massapequa NY 977 Hicksville Road 11758 516-797-7960

Plandome Village Clerk Manhasset NY 65 South Drive 11030 516-627-1748

Valley Stream Clerk Valley Stream NY 123 South Central Avenue 11580 516-825-4200

Westbury Village Clerk Westbury NY 235 Lincoln Place 11590 516-334-1700

The Nassau County Building Department creates and enforces building codes in order to ensure the construction of safe buildings in Nassau County, NY. As part of this process, Building Departments may keep survey maps of Nassau County. These maps show flood zones, topography, flood drainage patterns, and soil composition, which can be important for assessing safety. These maps may also show Nassau County building code zones and regulatory restrictions, such as zoning boundaries, as well as property-related information on buildings, property lines, public and private land, and lot dimensions. Nassau County survey maps typically provide information on roads, bodies of water, place names, and geographic features. These Nassau County survey maps may be available through the Building Department website.

Freeport Building Department Freeport NY 46 North Ocean Avenue 11520 516-378-0700

Hempstead Building Department Hempstead NY 1 Washington Street 11550 516-538-8500

Hempstead Planning Department Roosevelt NY 383 Nassau Road 11575 516-378-2111

Hempstead Planning Department Hempstead NY 200 North Franklin Street, Unit D 11550 516-538-7100

Lawrence Building Department Lawrence NY 196 Central Avenue 11559 516-239-3987

Manhasset Planning Department Manhasset NY 210 Plandome Road 11030 516-869-7752

Nassau County Planning Department Mineola NY 1 West Street, # 200 11501 516-571-4203

North Hempstead Building Department Manhasset NY 210 Plandome Road 11030 516-869-7680

North Hempstead Zoning Manhasset NY 210 Plandome Road 11030 516-869-7659

Oyster Bay Planning Department Oyster Bay NY 74 Audrey Avenue 11771 516-624-6200

Oyster Bay Zoning Oyster Bay NY 74 Audrey Avenue 11771 516-624-6232

Valley Stream Zoning Valley Stream NY 123 South Central Avenue 11580 516-825-8201


The Nassau County Town or City Hall provides a range of municipal services and preserves important records for their town or city in Nassau County, NY. These documents can include Nassau County survey maps, which show place names, zoning boundaries, bodies of water, flood zones, population information, and other geographic information. They may also list property information such as Nassau County property boundaries, unclaimed parcels, appraisal values, and property tax assessments, and survey maps may also show property owner information. Some Town and City Halls also provide historical maps of their area. These Nassau County survey maps are often available to the public on the Town or City Hall website.

Glen Cove City Hall Glen Cove NY 9 Glen Street, # 13 11542 516-676-2000

Hempstead Town Hall Hempstead NY 350 Front Street, # 114 11550 516-489-5000

Levittown Town Hall Hicksville NY 201 Levittown Parkway 11801 516-933-6400

Long Beach City Hall Long Beach NY 1 West Chester Street 11561 516-431-1000

North Hempstead Town Hall Manhasset NY 220 Plandome Road 11030 516-869-6311

Oyster Bay Town Hall Oyster Bay NY 74 Audrey Avenue 11771 516-624-6333

Oyster Bay Town Hall Massapequa NY 977 Hicksville Road 11758 516-797-7900


The Nassau County Recorder of Deeds maintains real estate ownership documents to ensure the accuracy of property, land, and property tax records in Nassau County, NY. Recorders of Deeds also keep detailed maps that contain information about Nassau County. These Nassau County survey maps show all the properties in the area, as well as property lines, parcel numbers, and lot dimensions. They also include public access land, unclaimed parcels, geographical features, and flood zones. The Recorder of Deeds may also list property ownership information, property appraisals, and the property tax history for each property. These Nassau County survey maps may be available on the Recorder of Deeds website.

Nassau County Recorder of Deeds Mineola NY 240 Old Country Road 11501 516-571-1444