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.
Ontario County, New York, has about 113,000 residents (2024 Census Bureau estimate). The title to a parcel in Ontario 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, directory links, city permits, evictions and court cases, records requests and common questions.
Related guides: Ontario County public records, Ontario County arrest records, Ontario County warrants, Ontario County inmate search, Ontario County police reports, New York arrest records and New York inmate search.
Deeds, Mortgages and Liens in Ontario County
Who owns a parcel in Ontario County and what it sold for are in the deed records of the County Clerk, with every lien or mortgage against the land.
SearchSystems opened and checked the County Clerk's page at ontariocountyny.gov/102/County-Clerk (page title: County Clerk | Ontario County, NY), phone 585-396-4200, 20 Ontario St. Canandaigua, NY 14424, which answered when SearchSystems opened it on September 23, 2026.
Assessed Values and the Tax Roll in Ontario County
The value each parcel in Ontario 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 ontariocountyny.gov/96/Real-Property-Tax (page title: Real Property Tax | Ontario County, NY), phone 585-396-4382, 20 Ontario St. Canandaigua, NY 14424, which answered when SearchSystems opened it on September 23, 2026.
More Official Property and Land Records Pages for Ontario County
The SearchSystems directory, online since 1997, lists the official pages for Ontario County and New York. These property pages from its Ontario County listing were opened again on October 2, 2026 and each one still answers:
- Assessment, Victor, NY (townofvictorny.gov)
Permits and City Records in the Cities of Ontario County
Building permits, zoning and code cases inside a city are the city's own records. The cities in Ontario County with a SearchSystems guide to their offices, with the city page SearchSystems verified:
- Geneva: the city hall page SearchSystems verified is at cityofgenevany.gov/m/directory/department?did=10, phone 315-828-6550 (verified September 25, 2026).
- Canandaigua: the city hall page SearchSystems verified is at canandaiguanewyork.gov/m/directory/department?did=31, phone 585-396-5000 (verified September 25, 2026).
Evictions and Court Cases About Land in Ontario 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 Ontario 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. The county records request page SearchSystems verified is at ontariocountyny.nextrequest.com (page title: Ontario County FOIL RequestsNextRequest | Modern FOIA & Public Records Request Software).
Frequently Asked Questions
Who records deeds in Ontario County?
The County Clerk, at ontariocountyny.gov/102/County-Clerk, phone 585-396-4200. Deeds, mortgages and liens on land in Ontario County are filed there.
Who sets the assessed value of a property in Ontario County?
The assessor of each city and town.
Where are evictions from Ontario 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 Ontario 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.