Thank you for visiting the Cattaraugus County Department of Real Property Tax Services Assessing Office. This office currently assesses in 20 towns: Allegany, Ashford, East Otto, Farmersville, Franklinville, Freedom, Great Valley, Hinsdale, Humphrey, Mansfield, New Albion, Town of Olean, Otto, Perrysburg, Persia, Portville, Randolph, Red House, Town of Salamanca and Yorkshire. Please do not hesitate to contact us if you own property in one of these towns and need assistance.
Our office is located in the former Little Valley School.
Cattaraugus County
Real Property Services
Assessing Office
207 Rock City Street, Suite 101
Little Valley, NY 14755
Phone: 716-938-2343
Fax: 716-938-2758
email: Assessor@cattco.org
Assessing Office Hours:
8:00 AM - 5:00 PM Monday-Friday
All other towns in Cattaraugus County are assessed by locally-appointed assessors. To find your assessor's contact information, please click on the "My Assessor" link below.
Ashford, East Otto, Mansfield and Red House 2026 Reassessment
The Cattaraugus County Assessing Office is currently conducting 2026 reassessments in the towns of Ashford, East Otto, Mansfield and Red House.
Links
- My Assessor
- Ashford, East Otto, Mansfield and Red House Reassessment
- Learn About Assessments & Property Taxes
- Disagree with Assessment?
- Important Dates
- When is your Grievance Day?
- Exemptions
- Forms