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Milwaukee County · West Allis, WIWest Allis, WI property taxes. Values held. Know when to push back.
The typical home in West Allis was worth about $270,000 in January 2026, up 3.1% from a year earlier. In a steady market, an appeal works best for specific homes whose assessment ran ahead of what they'd sell for.
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What West Allis home values did
West Allis values rose 3.1% in the year to January 2026, reaching a new high. That's in line with Milwaukee County as a whole (+3.5%).
Since January, values have risen 2.5% through August 2026.
| Month | Typical value | vs. a year earlier |
|---|---|---|
| January 2021 | $186,000 | +12.7% |
| January 2022 | $200,000 | +7.5% |
| January 2023 | $220,000 | +10.3% |
| January 2024 | $245,000 | +11.3% |
| January 2025 | $262,000 | +6.9% |
| January 2026 | $270,000 | +3.1% |
| August 2026 (latest) | $277,000 | +2.5% since January |
January 2026 was the highest month since 2021.
What to check on your notice
The typical West Allis home gained 3.1% in the year to January 2026. A notice that rose far more than that, or a value above what similar homes nearby actually sold for, is the usual starting point for an appeal.
How West Allis compares nearby
Among 10 Milwaukee County places, West Allis has the 2nd largest drop from its peak and the 9th highest typical value. Statewide, its 1-year change ranks 129th of 681 Wisconsin places, from weakest to strongest.
| Place | January 2026 | 1-year change | vs. peak |
|---|---|---|---|
| Milwaukee | $224,000 | +3.9% | At peak |
| West Allis | $270,000 | +3.1% | At peak |
| Wauwatosa | $418,000 | +4.2% | At peak |
| Greenfield | $323,000 | +4.7% | At peak |
| Franklin | $437,000 | +3.9% | At peak |
| Oak Creek | $408,000 | +5.9% | At peak |
| South Milwaukee | $304,000 | +2.9% | At peak |
| Cudahy | $283,000 | +5.1% | At peak |
| Greendale | $384,000 | +5.2% | At peak |
| Whitefish Bay | $640,000 | +4.1% | At peak |
Deadline and where to file
West Allis values are set by the local municipal assessor. Give the Board of Review clerk notice of intent to object at least 48 hours before the Board's first meeting, and file Form PA-115A before or during the first two hours of that first meeting. The Board must meet during the 45-day period starting the fourth Monday in April, and at least 7 days after Open Book.
Reading this in fall 2026? The 2026 Board of Review window has closed. Your next chance is the 2027 Board of Review, which starts around the fourth Monday in April 2027. Watch for your Notice of Changed Assessment (mailed at least 15 days before the meeting, 30 in revaluation years) and the Open Book notice. Exact dates are set by your municipality. If you already objected at the 2026 Board and paid your tax, an excessive assessment claim for 2026 taxes is due to your municipality by January 31, 2027.
The Milwaukee County guide covers the full Wisconsin appeal process: forms, fees, hearing levels and what happens next.
Building a West Allis case
The numbers above describe the typical West Allis home, not yours. West Allis is part of the Milwaukee-Waukesha metro, but your evidence should be local. Sales a few streets away usually beat sales across the metro.
- You must object to the total value of the property, not only land or only improvements.
Get your West Allis appeal report
Start with your address. Vulorean checks your assessment against recent comparable sales and builds a value report you can bring to your Wisconsin appeal. Eligible reports are free during launch; an account is required and local filing fees are separate.
Check my property and get a report →Vulorean was built for California first. Wisconsin forms, deadlines and filing rules vary, so confirm them with your local office before filing. If something in your report looks wrong, email support@vulorean.com and we'll get it fixed.
Home values: Zillow Home Value Index (ZHVI), all homes, mid-tier, smoothed and seasonally adjusted, through August 2026, from Zillow Research. Rules: Wisconsin DOR 2026 Guide for Property Owners (pb060), Wisconsin Statutes 70.47, Board of Review, Wisconsin DOR Board of Review filing objections and forms, Form PA-115A. Vulorean is an independent service, not a government office. Confirm dates and forms with your local office.