City of Ontario

Address: 444 SouthWest 4th Street
Ontario, OR 97914
Phone: 541-889-7684
Fax: 541-889-7121

Mission:

To Provide a Safe, Healthful and Sound Economic Environment, Progressively Enhancing Our Quality of Life.

About Us:

In the heart of treasure valley, on the borders of the Snake River, and where Oregon begins, lies the City of Ontario. Ontario lies in the largest county in Oregon, Maheur County. With a population of over 11,000 it is the largest community on the far east region of Oregon.

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