Rules for ZIP Code 53045
Brookfield, WI · Waukesha County
ZIP 53045 is governed by the city of Brookfield, WI. We do not hold its code yet, and Waukesha County ordinances do not apply inside its limits.
ZIP code 53045 lies in the city of Brookfield, WI, which holds about 86% of the ZIP's residents and writes its own local code. We have not added Brookfield's ordinances yet, so nothing is shown below: Waukesha County rules govern only unincorporated land and do not reach inside Brookfield.
ZIP codes do not follow city lines. 53045 also covers:
- town of Brookfield~14% of residents · not covered yet
Shares are estimates from 2020 Census geography. If your address is in one of these, its rules apply instead.
Each topic below links to the full ordinance breakdown with specific code sections, fine amounts, and answers to common questions. The data is sourced from the official municipal code and verified by our editorial team.
Brookfield is not covered yet
The city of Brookfield writes its own code; the county's rules do not apply inside it.Request Brookfield coverage →
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