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Sign Regulations in Waukesha County, WI (2026)

4 county-level rules, plus city-specific rules for 1 city in Waukesha County, Wisconsin.

Verified from official government sources

Note: These county rules apply to unincorporated areas of Waukesha County. If you live within an incorporated city, that city's own rules apply: see the city list below.

Political Signs

Wisconsin state law protects political signs. Under Wis. Stat. 12.04(3), no county or municipality may regulate the size, shape, placement, or content of a political-message sign on residential property during a campaign period, except limited traffic-safety rules. This overrides local sign codes countywide.

Political Sign Rules in Waukesha County, Wisconsin

Some Restrictions

Wis. Stat. 12.04(3)

no county or municipality may regulate the size, shape, placement or content of any sign containing a political message placed upon residential property during an election campaign period.

Garage Sale Signs

Waukesha County's town zoning sign chapter does not set specific garage-sale-sign rules, and it prohibits signs in the public right-of-way that create a traffic hazard. Garage-sale signage is generally regulated by your city, village, or town, so check the local municipality.

Garage Sale Sign Rules in Waukesha County

Some Restrictions

Waukesha County Basic Zoning Ordinance Sec. 3.14(3)

No Sign, billboard, or other advertising media which creates a hazard or dangerous distraction to vehicular traffic, or a nuisance to adjoining residential property shall be permitted in any District.

Digital Billboards

Digital message boards are flatly prohibited in the Downtown Okauchee District: Section 33(h)4.B bans them outright, along with any internally illuminated signage and blinking or flashing lights. Wall, freestanding and other signs in the district must use ground or arm-mounted lighting instead, and all illumination must shut off by 10:00 p.m. or closing.

Digital Billboards Banned in Downtown Okauchee

Heavy Restrictions

Waukesha County Shoreland Protection Ordinance Sec. 33(h)4

4. Illumination Standards A. Signage shall only be illuminated with ground lighting or mounted arm lighting. Back-lit, halo-lit or reversed channel letters with illumination are also permitted. Light shall be directed away from passersby and shall not cause glare to the pedestrian or motorist. No illumination is permitted after 10:00 p.m. or after closing, whichever is later. B. Digital Message...

Window Signs

In the Downtown Okauchee District, storefront window sign lettering cannot cover more than 40% of the window area under Section 33(h)3.C of the Shoreland Protection Ordinance. A permit is not required to install a compliant window sign, so businesses can letter their storefront glass without going through the county's plan review process.

Window Sign Coverage Limit, Downtown Okauchee

Some Restrictions

Waukesha County Shoreland Protection Ordinance Sec. 33(h)3.C

C. Window. Lettering shall not cover more than forty percent (40%) of the storefront window area. No permits are required for the placement of a window sign in compliance with this subsection.

Sign Regulations by City in Waukesha County

1 cities in Waukesha County have their own sign regulations rules. Each link goes to that city's dedicated page with code citations.

All Waukesha County ordinances

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