The information below includes essential contact information for the Benton County Assessment Department. Use the contact form at the bottom of the page for your questions and comments so they will be directed to staff who can best address your issues or click on the link below to send an e-mail directly to the staff member in charge of your area of interest.
Benton County Assessment Department
205 NW 5th Street
Corvallis, OR 97330
Phone: 541-766-6855
Fax: 541-766-6848
Tax Office: 541-766-6808
E-mail
Monday-Friday, 8 am to 5 pm
Closed on holidays
Doug Hillpot, County Assessor
| General Information | 541-766-6855 |
| Appeals | 541-766-6268 |
| Cartography | 541-766-6262 |
| Commercial & Industrial | 541-766-6271 |
| District Information | 541-766-6663 |
| Farm & Forest | 541-766-6265 |
| Manufactured Structures | 541-766-6261 |
| Name & Address | 541-766-6261 |
| Other Exemptions | 541-766-6266 |
| Personal Property | 541-766-6676 |
| Sales Data Analyst | 541-766-6664 |
| Senior Deferral | 541-766-6266 |
| Veteran's Exemptions | 541-766-6266 |
While we are happy to answer general questions via e-mail, we suggest you do not transmit personal or health-related information in your message. We cannot meet any expectation you might have of confidentiality when you communicate with us over the Internet. If you have a specific personal or health-related issue, please call the appropriate county government office instead.