town of olean

WELCOME!

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Olean is a Town in Cattaraugus County, New York.  The population was 1,963 at the 2010 Census.  The name is derived from the Latin word "oleum" due to the discovery of crude oil in nearby Ischua.

2025 Tentative Assessment Roll

Hours

M, W, F 9:00 am - 1:00 pm

Telephone

716-373-0582

Fax

716-373-0640

Email

[email protected]

Address

2634 Route 16 North, Olean NY 14760
  • Home
  • Government
  • Highway Department
  • Planning & Zoning Boards
  • Minutes & Agendas
  • Forms & Publications
  • Pleasant Valley Cemetery
  • History