Assessor's Office

Contact Information

Office Hours: 8:00 AM to 4:30 PM
Phone Number: (920) 236-5070
Email: assessor@oshkoshwi.gov
Address:
DEAN PETERS
CITY ASSESSOR
PO BOX 1130
OSHKOSH, WI 54903-1130

Do you have a question or concern you would like to share with us?
Send us a message using our E-Contact Form.

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2026 Open Book and Board of Review

The Board of Review met on May 21, 2026 and finalized the assessment roll.

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Did you recently purchase residential property in the City of Oshkosh?

Complete our Residential Sales E-Questionnaire. It typically takes less than 5 minutes to complete!

Complete the Residential Sales E-Questionnaire.

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Assessment Resources

Frequently Asked Questions

2026 Guide for Property Owners (external)

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Legal Notice

Notice of Open Book & Board of Review

Please take notice that the Assessor has certain statutory authority to enter land as described in Wis. Stats. § 943.13 and § 943.15. The ability to enter land is subject to several qualifications and limitations, as described within the foregoing statutes.

Copies of the applicable statutes can be obtained at public depositories throughout the State of Wisconsin, and from the State of Wisconsin Legislative Reference Bureau website(external) or a copy may be obtained from the City Clerk upon payment of applicable copying charges.