Assessment Office

Assessment Process

Assessment Office

The Assessment Office maintains an inventory of all parcels in the Town of Perinton in order to establish an assessed value for the equitable distribution of property taxes.

In accordance with rules and regulations set forth in New York Real Property Tax Law, the Town of Perinton participates in an annual assessment program.  Annual reassessment involves the systematic analysis of all properties in the municipality each year to determine if they reflect current market values and making adjustments where necessary.  Assessment changes may also be made due to change in use, and/or issuance of a building permit for new construction or demolition.

What is an Assessment?

A property’s assessment is a percentage of its market value. All properties in the Town of Perinton are currently assessed at 100% of market value. Market value is how much a property would sell for under normal conditions. The Assessment Department estimates the market value of properties based on the sale prices of similar properties.

After a property’s total assessment is determined, its taxable assessed value is computed. The taxable assessed value is the total assessment less any applicable property tax exemptions (i.e. STAR, Aged, Veterans, Disability, and Clergy).

How Do I Know If My Assessment is Right?

It is up to individual property owners to monitor their own assessments. The Assessment Roll (listing of all assessed values) is available for public review in the Assessment Office at Town Hall and on the town website (  Your property’s current assessed value is also posted on your property tax bills.

If you feel the assessment on your property is a fair representation of your property’s value, you do not need to take any action.  If you disagree with your assessment, you may contact the Assessment Office to discuss the options available for challenging your assessment or see section below describing the Informal Review and Formal Grievance procedures.  

For additional information please view these videos from You Tube:

About Property Taxes and Assessments

Contesting an Assessment

What Determines the Amount of Property Tax I Pay?

The amount of a particular property’s tax bill is determined by two things: the property’s taxable assessment and the tax rates of the taxing jurisdictions (county, schools, village and town) in which the property is located. The tax rate is determined by the amount of the tax levy. The Assessment Department does not establish tax rates. Tax rates are set by the School Boards, the County Legislature and the Town Board. The function of the Assessment Department is only to establish the value of your property.

Informal Review Procedure

An Informal Review of your assessment may be requested after October 1st through the following April 1st

All informal reviews will require an interior and exterior inspection of the property by an Assessment Department staff member. The purpose of a physical inspection is to ensure that the inventory (square footage, bedrooms, baths, etc.) on the assessment record is accurate and to evaluate the condition of the property.

Property owners who are in disagreement with their assessed value must provide information to the Assessment Department that they feel is relevant to their property’s value.  Some types of pertinent information are as follows:

  • A recent appraisal of the property.  Please note that the Assessment Office will review appraisals completed for financing or estates, etc.  If an appraisal is submitted specifically for an Assessment challenge, the date of the appraisal must be completed by the date set forth by law, which is the preceding July 1st.
  • A recent listing of the property showing the asking price, time on the market and any offers made.
  • A recent sale of the property (copy of the purchase contract).
  • Recent sales of similar properties in the neighborhood.
  • Photographs showing aspects of the property that would affect the value.

NOTE:  No change in assessed value will be considered without a physical interior and exterior inspection of the property.  The owner must supply information to support a different value than what has been determined by the Assessment Department.

Change of Assessment Notices resulting from an informal review will be sent to the property owner between May 1st and May 15th.

Real Property Tax Cycle – Significant Dates

Previous Year

July 1Date of Valuation set forth by law.

Current Year

January 1Town and County tax bills are issued.
March 1Taxable Status Date – Exemption filing deadline.
Condition and Ownership are determined as of this date.
May 1Tentative Assessment Roll is filed. Changes of Assessment Notices are mailed between May 1st and May 15th.
4th Tuesday in MayGrievance Day – Last day to file a formal assessment complaint. Applications due by 8:00 PM on Grievance Day.
June 1Village tax bills are issued (using the prior year’s assessment roll)
July 1Final Assessment Roll is filed. Property valued as of the previous July 1, set by law.
September 1School tax bills are issued.
October 1Informal Assessment Review period begins for following year.

Application forms for property tax exemptions are available in the Assessment Office at Town Hall or through the New York State Office of Tax & Finance website.