Lewis County, New YorkProperty records & tax offices
Links open the listed public-office or service-provider website in a new tab. This directory does not collect payments.
Find the right property record
Use the property portal for ownership and assessed value, the collector for a bill or balance, and the map for parcel location. Have the address, owner name, or parcel number ready.
Tax bills & filing dates
These are the dates and qualifications recorded in the directory. Confirm your tax year and current deadline with the official office and your property’s notice.
- Assessment appeal
- May 26, 2026 is the standard New York Board of Assessment Review grievance day (the fourth Tuesday in May); local municipalities may publish alternate dates. File Form RP-524 with the applicable local assessor.
Exemptions & appeals
View exemption application (opens in a new tab)Exemption filing
March 1, 2026 for most local New York property-tax exemptions; file RP-467/RP-467-Rnw and other applicable forms with the local assessor by the taxable-status date; some municipalities publish different dates.
Senior relief
New York's 2026 Enhanced STAR benefit is for an owner-occupied primary residence with a resident owner age 65 or older by December 31 and combined income of resident owners and spouses of $110,750 or less. A municipality may also grant the senior-citizens exemption of up to 50% under RPTL §467, subject to its local income limit; file RP-467 or RP-467-Rnw with the local assessor, usually by March 1.
Valuation limits
New York's property-tax cap limits the annual levy of participating local governments and most school districts to the lower of 2% or inflation, with override provisions; it is not an individual parcel assessed-value cap. Local assessors apply uniform-assessment rules under New York Real Property Tax Law.
For a valuation appeal, use the appeal date in the tax and filing section above. Keep your notice, supporting evidence, and proof of submission.