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City of Madison Assessor's Office

Building Energy Savings Program

The City of Madison's new Building Energy Savings Program requires large commercial buildings (>100,000 square feet) to start benchmarking their energy use. The 2024 reporting deadline is September 6.

2024 Assessments

2024 assessments will be mailed April 19 and available on our website April 20.

Open Book & Assessment Appeals

2024 Property Tax Exemptions

Property tax exemption requests are due on March 1. Property tax exemption reports are due March 31.

Property Tax Exemptions

Recent Property Sales

We need your help! If you recently bought or sold property in the City of Madison, please take a few minutes to complete a survey about the property sale.

This information helps us ensure fair and equitable assessments. It is our mission to get things right and capture accurate data about all property in the City. Actual data, rather than estimates made by our office, provides better outcomes for all.

Property Sale Survey

Property Assessment in Madison

Watch this video that describes the property assessment process:
Video: Property Assessment in Madison

New Construction, Assessed Value, and Taxation

Check out our frequently asked questions about new construction and the levy limit.


We are committed to providing better access to information and hope this website will assist you. Browse this site for basic information about:

If you do not find the information you need on this site, please contact the Assessor’s Office by phone or email. We will reply as quickly as possible.

Property Look-up

System Update

The City of Madison Assessor office is migrating to new software.

Property data updates will not occur from Wednesday, June 5 through Monday, June 17.

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