Oswego County Property Search

Search free Oswego County NY property, land, and tax records through local government assessors, auditors, clerks, property appraisers, deeds recorders, treasurers, tax collectors, city halls, and town halls.


The Oswego County Assessor is responsible for determining the value of property in order to determine Oswego County property taxes. The Oswego County Assessment Office collect data from on-site inspections, value assessments for construction or improvements, comparable sales, and calculations of depreciation. The Oswego County Tax Assessor maintains current data on every parcel in the Oswego County, which includes ownership information, maps of property lines, inventories of parcels and structures, and the value of all the property in the Oswego County, NY. The Oswego County Assessor’s Office can answer questions regarding Oswego County property tax appeals and assessments, Oswego County property tax rates and payment due dates.

Fulton City Assessor Fulton NY 141 South 1st Street 13069 315-593-7267

Mexico Town Assessor Mexico NY 64 North Jefferson Street 13114 315-963-3491

New Haven Assessor Oswego NY 4279 New York 104 13126 315-963-4150

West Monroe Town Assessor West Monroe NY 46 County Route 11 13167 315-676-3521


The Oswego County Clerk files important documents and preserves municipal records in order to maintain an archive of Oswego County property records that can be accessed by the public. The Clerk's Office is a valuable source of information on property in Oswego County, New York. The Oswego County Clerk's Office contains documentation on real estate excise taxes, registered land, and property transactions, as well as land documents including Oswego County deeds, mortgages, and liens on properties.

Boylston Town Clerk Lacona NY 703 County Route 13 13083 315-387-2320

Cleveland Clerk Cleveland NY 123 New York 49 13042 315-675-8611

Constantia Town Clerk Constantia NY 14 Frederick Street 13044 315-623-9206

Fulton City Clerk Fulton NY 141 South 1st Street 13069 315-592-5390

Hannibal Village Clerk Hannibal NY 824 County Route 34 13074 315-564-7115

Mexico Town Clerk Mexico NY 64 S Jefferson St 13114 315-963-7633

Orwell Town Clerk Richland NY 119 Stone Quarry Drive 13144 315-298-4347

Oswego County Clerk Oswego NY 46 East Bridge Street 13126 315-349-8230

Palermo Town Clerk Fulton NY 1222 Red School House Road 13069 315-593-1825

Parish Town Clerk Parish NY 2938 East Main Street 13131 315-625-4507

Richland City Clerk Pulaski NY 1 Bridge Street 13142 315-298-5174

West Monroe Town Clerk West Monroe NY 46 County Route 11 13167 315-668-8314

Williamstown Town Clerk Williamstown NY 18 Cox Road 13493 315-964-2441


The Oswego County Recorders of Deeds maintain public records, particularly documents related to property and land records, and make them available for public access in Oswego County, NY. The Office of Recorder of Deeds in Oswego County is a valuable source of information on property records The Recorder of Deeds maintains documents on land transactions within its jurisdictions, including Oswego County deeds and titles, mortgages, property ownership records, surveys, and easements, as well as tax liens.

Oswego County Recorder of Deeds Oswego NY 46 East Bridge Street 13126 315-349-8621


Oswego County Town Halls and City Hall are the chief administrative offices that runs the town or city. The Town Hall or City Hall often maintains records related to the locality, including Oswego County property taxes, property value assessments, and land transactions, as well as property sales and transfers in Oswego County, New York.

Amboy Town Hall Williamstown NY 822 New York 69 13493 315-964-1165

Boylston Town Hall Lacona NY 580 County Route 13 13083 315-387-5530

Fulton City Hall Fulton NY 170 South 2nd Street 13069 315-592-7477

Fulton City Hall Fulton NY 141 South 1st Street 13069 315-592-2474

Granby Town Hall Fulton NY 820 County Route 8 13069 315-598-6500

Hannibal Town Hall Hannibal NY 824 County Route 34 13074 315-564-6037

Minetto Town Hall Oswego NY 6 Community Drive 13126 315-343-2393

New Haven Town Hall Oswego NY 4279 New York 104 13126 315-963-7211

New Haven Town Hall Oswego NY 4279 New York 104 13126 315-963-3900

Oswego City Hall Oswego NY 13 West Oneida Street 13126 315-342-8265

Sandy Creek Town Hall Sandy Creek NY 1992 Harwood Drive 13145 315-387-5456

Vienna Town Hall Cleveland NY 2083 New York 49 13042 315-245-2191


The Oswego County Treasurer and Tax Collector’s Office is responsible for the collection of Oswego County property tax revenue. The Treasurer and Tax Collector maintains current Oswego County property tax information including Oswego County property ownership information, GIS Maps, tax maps, historical property tax rates, lists of sold parcels, and is also charged with the sale of properties due to a default on taxes in Oswego County, New York.

Central Square Tax Collector Central Square NY 98 Paradise Road 13036 315-676-4843

Constantia Town Tax Collector Constantia NY 14 Frederick Street 13044 315-623-9206

Hannibal Town Tax Collector Hannibal NY 824 County Route 34 13074 315-564-7115

Mexico Town Tax Collector Mexico NY 64 North Jefferson Street 13114 315-963-7633

Oswego County Treasurer's Office Oswego NY 46 East Bridge Street 13126 315-349-8393

Parish Tax Collector Parish NY 296 White Road 13131 315-625-7916