Suffolk County Property Assessor (New York)

Suffolk County Assessors determine the value of properties and parcels so that the jurisdiction can levy New York property taxes. The Assessor's Office maintains current data on every parcel in the district, including records on Suffolk County property tax assessments, maps of property lines, and inventories of parcels and structures, as well as the value of all the property in the jurisdiction. Suffolk County Tax Assessors may also keep records on reassessments for construction or improvements and other on-site inspections. Suffolk County Assessment Offices provide online access to their property assessment records.

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


Suffolk County Clerks file documents and preserve a range of municipal records in order to maintain an archive for their New York municipality. These Suffolk County tax assessment records are open to the public. The Clerk's Office has a number of records on property assessments, including real estate excise taxes, tax liens on properties, and the Suffolk County property tax assessment formulas. They also keep records on property transactions, deeds, and titles. Suffolk County Clerks provide online access to their public property tax records, including documents related to property assessments.

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 Central Islip NY 400 Carleton Avenue 11722 631-853-4312

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

Suffolk County Recorders of Deeds collect public records, primarily documents related to property, and make them available to the New York public. The Office of the Recorder of Deeds maintains records on Suffolk County property tax assessments, including property and parcel surveys, property tax liens, and property valuations. They also record land transactions within the jurisdiction, including deeds, mortgages, and easements. The Suffolk County Recorder provides online databases for public records access of property assessments.

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


Suffolk County Town Halls and City Halls are the chief administrative office that runs a town or city in New York. The Town or City Hall maintains records related to the locality, including property assessment records. These Suffolk County public assessment records include property value assessments, records of paid and unpaid property taxes, and property tax liens. Town and City Halls also maintain records on land transactions, property sales and transfers, and municipal and zoning boundaries. Property assessment records are available as public records, and many Town and City Halls provide online access to these files.

Brookhaven Town Hall Farmingville NY 1 Independence Hill 11738 631-451-7087

East Hampton Town hall East Hampton NY 300 Pantigo Place 11937

Huntington Town Hall Huntington NY 100 Main Street 11743 631-351-3014

Islip Town Hall Islip NY 655 Main Street, # 1 11751 631-224-5691

Riverhead Town Hall Riverhead NY 210 Howell Avenue, Ste 2 11901 631-727-3200

Shelter Island Town Hall Shelter Island NY 38 North Ferry Road 11964 631-749-0291

Shoreham Town Hall Shoreham NY 80 Woodville Road 11786 631-821-0680

Smithtown Town Hall Smithtown NY 99 West Main Street 11787 631-360-7512

Southampton Town Hall Southampton NY 116 Hampton Road 11968 631-283-6000


Suffolk County Treasurers and Tax Collectors are responsible for the collection of property tax revenue in New York. The Office of the Treasurer and Tax Collector maintains current data on every Suffolk County parcel , as well as a number of other property tax assessment records. These records include property assessments, defaults on property taxes, lists of sold parcels, and property valuations. The Treasurer and Tax Collector may also maintain information on Suffolk County property auctions and a property's prior liens or foreclosures. Suffolk County Treasurers and Tax Collectors provide online databases to access property assessment records.

Asharoken Village Treasurer Northport NY 1 Asharoken Avenue, Ste 2 11768 631-261-7098

Babylon Village Treasurer Babylon NY 153 West Main Street, Ste 2 11702 631-587-6270

East Hampton Treasurer East Hampton NY 86 Main Street 11937 631-324-4150

Sag Harbor Village Treasurer Sag Harbor NY 55 Main Street 11963 631-725-0222

Suffolk County Treasurer Hauppauge NY 100 Veterans Memorial Highway 11788 631-852-1500