Reviewed and updated October 9, 2026 by the SearchSystems.net editorial team. Every office link was opened and checked against the office's own site between September 23, 2026 and October 2, 2026.
Onondaga County, New York, has about 470,000 residents (2024 Census Bureau estimate). The title to a parcel in Onondaga County is in the deed records of the County Clerk and its taxable value is set by the town assessor; what is built on it is a matter for the city or the county. This guide says who keeps each record and where the page for each office is.
This guide covers deeds, assessed values, evictions and court cases, records requests and common questions.
Related guides: Onondaga County public records, Onondaga County arrest records, Onondaga County warrants, Onondaga County inmate search, Onondaga County criminal records, New York arrest records and New York inmate search.
Deeds, Mortgages and Liens in Onondaga County
Deeds, mortgages, liens and easements that affect title to land in Onondaga County are recorded by the County Clerk, which indexes them by name and sells copies.
SearchSystems opened and checked the County Clerk's page at onondaga.gov/clerk (page title: County Clerk), phone (315) 435-2227, 401 Montgomery St., Room 200, Syracuse, NY 13202, Monday-Friday 8:30AM - 4:00PM, which answered when SearchSystems opened it on September 29, 2026.
Assessed Values and the Tax Roll in Onondaga County
The value each parcel in Onondaga County is taxed on is set locally, by the assessor of each city and town, not by the county.
The county property tax office's page SearchSystems verified is at onondaga.gov/rpts (page title: Real Property Tax Services | RPTS), 421 Montgomery Street - 15th Flr East Syracuse, NY 13202, Monday-Friday: 8:00am-4:00pm, which answered when SearchSystems opened it on September 30, 2026.
Evictions and Court Cases About Land in Onondaga County
An eviction is a court case in the city, town and village courts, and so is a foreclosure, a lien dispute or a quiet title suit, in the Onondaga County Supreme and County Courts; the court file is public unless sealed.
Asking a County Office for a Record
Under the Freedom of Information Law a county office must answer a request within 5 business days, at least with an acknowledgment and a date for the full answer, and it may charge copying at 25 cents a page.
Frequently Asked Questions
Who records deeds in Onondaga County?
The County Clerk, at onondaga.gov/clerk, phone (315) 435-2227. Deeds, mortgages and liens on land in Onondaga County are filed there.
Who sets the assessed value of a property in Onondaga County?
The assessor of each city and town.
Where are evictions from Onondaga County filed?
In the city, town and village courts. The file is public unless the court seals it.
How is property assessed in New York?
New York property is assessed by each city and town, not the county, except in Nassau and Tompkins counties and New York City.
Is this the official Onondaga County website?
No. SearchSystems.net is an independent public records guide, online since 1997. It links to the official county, court and state offices described above and does not hold records, charge for them or take requests.