Ontario County, New York Tax Assessors' Office
Ontario County Real Property Tax Department 20 Ontario Street
Ontario County Municipal Building
Canandaigua, New York 14424
585-393-2991 (Fax) Where is the Ontario County Tax Assessor's Office?
What can the Ontario County Assessor's Office do for me?
The Ontario County Tax Assessor's Office oversees the appraisal and assessment of properties as well as the billing and collection of property taxes for all taxable real estate located in Ontario County.
Contact the assessor's office if you need help with paying your property taxes, applying for a homestead exemption or other tax exemption, reporting upgrades to your home, appealing your property tax assessment, or verifying your property records.
Submitting a Ontario County property tax appeal
If you believe that your house has been unfairly overappraised (i.e. appraised at a value higher than the true market value of the property), you can attempt to get your home re-appraised at a lower value by contacting the Assessor's Office to submit a property tax appeal.
You will have to submit a form describing your property and sufficient proof that it is overassessed, including valuations of similar homes nearby as evidence. If your appeal is accepted, your home assessment (and property taxes) will be lowered as a result.
If you would like to appeal your property, call the Ontario County Assessor's Office at (585) 396 4382 and ask for a property tax appeal form. Keep in mind that property tax appeals are generally only accepted in a 1-3 month window each year.
For more information and example appeals, see how to appeal your property taxes.
Useful Ontario County Facts:
The median home value in Ontario County is between $126,222.00 and $132,978.00. Property tax rates are based on property values.
How can I contact Ontario County?
You can try contacting the Ontario County local government directly with any issues the Assessor's Office can't solve. In many counties, certain property records such as deeds are kept in the county courthouse or county archives instead of at the tax assessors' office.
The county seat for Ontario County is located in the County Municipal Building in Canandaigua, which is where the Ontario County Assessors' Office is also located. You can direct your general inquiries to Ontario County with the contact info listed below.
Ontario County Phone Number
Ontario County Fax Number
Ontario County County Municipal Building Address
County Municipal Building
20 Ontario St
Canandaigua, NY 14424-1802
Useful Ontario County Links:
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Delinquent Property Tax Payments
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Property Tax Search Tool & GIS Map
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Ontario County View by municipality
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Ontario County Government Homepage
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Ontario County Assessors' Office Homepage