Oswego County, NY Property Records
Property records in Oswego, New York provide key details about land and real estate, including ownership information, parcel boundaries, assessed values, property tax data, deeds, exemptions, and sales history. These records are useful for buyers, sellers, homeowners, attorneys, lenders, and researchers who need to verify ownership, review tax obligations, evaluate property value, or understand a parcel’s legal and assessment history.
Users can access official records through Oswego County’s Real Property Tax Services office, which maintains assessment and tax-related property information for municipalities in the county, including the City of Oswego. For authoritative local data and search tools, visit the county’s page for official Oswego County property records.
Oswego County, NY Property Records & Statistics
Oswego County has a median rent of $947, above both the New York State figure of $928.25 and the national figure of $840.25. The median home value is $131,350, well below the state value of $169,000 and the national value of $173,750. Renter-occupied housing makes up 17.66% of occupied homes, lower than the state's 20.16% and the national 21.81%, so homeownership is the dominant pattern.
The county's median property tax rate is 2.56%, higher than the state rate of 2.11% and more than three times the national rate of 0.74%. Even with lower home values, owners carry a high tax rate relative to the rest of the country.
Median household income is $69,412.50, slightly below the state median of $70,656.50 but above the national median of $65,108. The unemployment rate is 4.31%, considerably higher than the state rate of 2.91% and the national rate of 2.87%, which stands out as the county's main economic challenge.
In summary, Oswego County offers some of the lower home values in the comparison, paired with rents that exceed state and national medians, a high tax rate, near-average incomes, and elevated unemployment.
Median Rent
Median Property Tax Rate
Median Home Value
Median Income
Unemployment Rate
Renter Occupied Housing
Property Records, Assessments, and Valuations in Oswego
Oswego County property records include tax assessments, recorded deeds and mortgages, property valuations, and foreclosure filings. The county has 60,388 total parcels, including 53,264 residential and 2,838 commercial parcels, and tax records cover 92% of the population for the 2024 assessment year. Recorded documents include 80,984 deeds and 37,099 mortgages, and valuation data is available for 31,687 properties.
| Key Data | Details |
|---|---|
| Total Parcels | 60,388 |
| Residential Parcels | 53,264 |
| Commercial Parcels | 2,838 |
| Tax Record Coverage | 92% |
| Assessment Year | 2024 |
| Deed Records | 80,984 |
| Mortgage Records | 37,099 |
| Properties with Valuation Data | 31,687 |
| Latest Valuation Update | August 19, 2025 |
| Notice of Sale Records | 870 |
Assignment and Release Records
Assignment and release records track a mortgage after it is recorded. An assignment shows that a mortgage was transferred from one lender or loan holder to another, while a release shows that the loan was satisfied and the lien removed from the property.
Oswego County has 87,978 assignment and release records. They include 14,144 assignment documents recorded from January 6, 2005, through July 31, 2025, and 73,532 release documents recorded from January 4, 2005, through July 31, 2025, plus 302 other documents.
Buyers, owners, and researchers use these records to confirm that earlier mortgages were released, follow a loan between lenders, and find loans that may still be open before a sale or refinance. For help locating these documents, see the Oswego County Clerk deeds and mortgages page.
How to Search Oswego County, NY Property Records
Oswego County land records are kept by the Oswego County Clerk, located at 46 East Bridge St., Oswego, NY, 13126. The office is open Monday through Friday, 9:00 AM to 5:00 PM, and can be reached at 315-349-8621. It records deeds, mortgages, and related documents for the county's 60,388 parcels.
The starting point for searching is the Oswego County Clerk deeds and mortgages page, which explains how recorded deeds and mortgages are kept and how to request them. From there you can find the office's current guidance on searching and obtaining copies of recorded documents.
Before you search, gather the owner or party name, the approximate year of the transaction, and the property address if you have it. Deeds and mortgages are generally indexed by name, so the owner's name is the most reliable search term. Review the results for the document type, parties, and recording date, and request a copy of the record you need.
To search in person or ask questions about a specific record, call the County Clerk at 315-349-8621 or visit the Oswego office during business hours.
Oswego Registrar of Deeds
The Oswego County Probate Office is located at 46 East Bridge St., Oswego, NY, 13126 and can be reached at 315-349-8621. Office hours are Monday - Friday: 9:00 AM - 5:00 PM. Records can be accessed through the official website oswegocounty.com.
Oswego County Clerk
Oswego County Property Records FAQ
How can I search Oswego County property records by address?
Recorded documents at the County Clerk are indexed mainly by party name, so start with the owner's name if you know it. For address-based assessment information, contact the assessor in the town or city where the property sits. You can also call the Oswego County Clerk at 315-349-8621 for help.
How can I find property owners in Oswego County?
Owners are named on recorded deeds, which are held by the County Clerk. See the deeds and mortgages page for how to look up a deed, or call 315-349-8621. Town and city assessors also maintain assessment rolls that list owners for their municipality.
How can I check a property's assessed value in Oswego County?
Assessed values in New York are set by the assessor in each town or city. Contact the assessor for the municipality where the property is located to review its value. County records reflect the 2024 assessment year. The County Clerk at 315-349-8621 can help direct you to the right office.
Where can I find Oswego County property tax bills and payment records?
Property tax bills are issued by the local tax collector in the town or city where the property is located. Contact that office for bills and payment history. If you are unsure which office applies, call the Oswego County Clerk at 315-349-8621 for direction.
How can I find deeds and other recorded documents in Oswego County?
Deeds and mortgages are recorded with the Oswego County Clerk. The deeds and mortgages page has details on recorded documents. You can also visit the office at 46 East Bridge St., Oswego, Monday through Friday, 9:00 AM to 5:00 PM, or call 315-349-8621.
Where can I access Oswego County parcel maps and GIS information?
Parcel maps are generally available from the assessor in the town or city where the property is located. The County Clerk records documents rather than maintaining maps, but staff at 315-349-8621 can direct you to the correct office. Maps are for reference and are not a legal survey.
How can I check permits and zoning information in Oswego County?
Permits and zoning are handled by the code enforcement office of each town, city, or village. Contact the municipality where the property is located to ask about permits and allowed uses. The County Clerk at 315-349-8621 can help you find the right local office.
How can I create a list of property owners in Oswego County?
Records are generally looked up one property or name at a time, so building a list takes repeated searches of recorded deeds. For larger or bulk record requests, call the Oswego County Clerk at 315-349-8621 to ask what options are available.