Open Book & Assessment Appeals
Assessment Notices
2022 Assessments will be live on our website April 29. We expect assessment notices to be mailed between April 29 and May 2.
Open Book: Correct assessment record with appraiser
During the Open Book period, you can review your assessment record with an appraiser to correct any errors. If any details are incorrect, we will correct the error and adjust your assessment. These might include:
- Square feet of living area
- Number of bathrooms
- Additions or renovations
During this period, our staff can also explain the methods and information we use to assess your property.
The 2022 Open Book Period to correct assessment records is May 2 – May 6, 2022. To correct an assessment record, please contact us at:
- Email: openbook@cityofmadison.com
- Call: 608-266-4531
If your property details are correct but you disagree with the assessed value of your property, you will need to file an objection with the Board of Assessors by May 13, 2022.
Board of Assessors: File an objection to assessed value
At the Board of Assessors (BOA), you can discuss the value of your property. If you believe the market value of your property is different from the assessed value, you can file an objection to share information and data with the appraisal staff.
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File an Objection
To review your property with the Board of Assessors, you must file an objection form by Friday, May 13, 2022 at 4:30 pm. To file an objection, please contact us at:
- Email: openbook@cityofmadison.com
- Call: 608-266-4531
If you miss the May 13 filing deadline, you will need to request a waiver from the Board of Review.
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Board of Assessors
The Board of Assessors will review and process all objections (Wis. Stat. § 70.075). Assessments in the City are established through mass appraisal. During the objection process, the Board will appraise your property individually, and review all adjustments to arrive at market value.
The Board of Assessors meets weekly throughout the summer and early fall. The 2022 Board of Assessors meetings begin June 1.
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Board of Review
If you disagree with the determination of the Board of Assessors, the final municipal review of assessments is the Board of Review. The Board of Review is a quasi-judicial body comprised of appointed City residents who hear the cases and make final determinations on value. The Board of Review meets as needed throughout mid-summer and early fall.
Additional Filing Requirements for Commercial Properties
If you are filing an objection for a commercial property, you will also need to include the following with your objection form:
- Income and expense information: Required for all commercial properties (Wis. Stat. § 70.47(7)(af))
- Gross rent statement: Required for all residential rental properties
- Agent authorization form: Required if an agent is representing the property owner.
More Information
Watch a brief and informative video about the assessment process here: Video: Property Assessment in Madison.
Contact Us
If you have any questions during this process, City Assessor staff is happy to provide information and resources to help. Contact us at:
- Email: openbook@cityofmadison.com
- Call: 608-266-4531