3 county-level rules, plus city-specific rules for 1 city in Oakland County, Michigan.
Verified from official government sources
Political yard signs in Oakland County are regulated jointly by the host municipality and the state. MDOT prohibits political signs within state highway right-of-way (I-75, I-696, M-1 Woodward, M-59, US-24 Telegraph), requires signs to be more than 30 feet from the edge of the roadway on highways without barrier curbs, and requires removal within 10 days after the election. Cities like Troy allow temporary signs (including political signs) on private property up to 6 sq ft each / 14 sq ft total per lot and no higher than 42 inches.
City of Troy Sign Code §85.03.02 (Temporary Signs, 7-21-2022)
TEMPORARY SIGNS — GARAGE SALES - HOMES FOR SALE - POLITICAL - HOLIDAY - SEASONAL. 1. Signs are allowed on private property, with the property owner's permission. 2. Signs cannot be placed within the public right of way, or between the public sidewalk and the road. 3. The total combined area of all temporary signs on any one property shall not exceed 14 square feet. 4. No temporary sign shall ex...
Garage sale and yard sale signs in Oakland County are regulated as 'temporary signs' by each city. Troy Sign Code §85.03.02 treats garage sale signs identically to political, holiday, and home-for-sale signs: max 6 sq ft per sign, 14 sq ft total per property, 42-inch height, on private property only with the owner's permission, and at least 20 feet from the road edge where there is no sidewalk. Signs in the public right-of-way are removed without notice.
City of Troy Sign Code §85.03.02
TEMPORARY SIGNS — GARAGE SALES - HOMES FOR SALE - POLITICAL - HOLIDAY - SEASONAL. Signs are allowed on private property, with the property owner's permission. Signs cannot be placed within the public right of way, or between the public sidewalk and the road. The total combined area of all temporary signs on any one property shall not exceed 14 square feet. No temporary sign shall exceed 6 squar...
Holiday displays and seasonal signs (Christmas lights, Halloween yard décor, inflatables, Fourth of July banners) are regulated as 'temporary signs' by Oakland County municipalities. Troy Sign Code §85.03.02 explicitly lists 'HOLIDAY' and 'SEASONAL' alongside garage-sale and political signs, applying the same 6 sq ft per sign / 14 sq ft total / 42-inch height cap. Lighted displays must comply with the Michigan Electrical Code (extension-cord and GFCI rules) and city dark-sky / glare ordinances where adopted.
City of Troy Sign Code §85.03.02 (Temporary Signs — Holiday/Seasonal)
TEMPORARY SIGNS — GARAGE SALES - HOMES FOR SALE - POLITICAL - HOLIDAY - SEASONAL. The total combined area of all temporary signs on any one property shall not exceed 14 square feet. No temporary sign shall exceed 6 square feet in area. No sign can be higher than 42 inches.
1 cities in Oakland County have their own sign regulations rules. Each link goes to that city's dedicated page with code citations.
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