Sign Regulations in Black Hawk County, IA (2026)
2 rules for unincorporated Black Hawk County, Iowa.
Verified from official government sources
Political Signs
Black Hawk County, Iowa's zoning sign chapter exempts political signs on private property from the county's own permit and size rules entirely, so long as the sign complies with state code. The county sets no size, number or duration limit of its own for these signs. The exemption applies only in the unincorporated county, not inside its cities.
Black Hawk County Political Sign Exemption
Few RestrictionsBlack Hawk County Code § 18.100.020(A)(10)
10. Political signs on private property in compliance with state code;
Garage Sale Signs
Unincorporated Black Hawk County, Iowa exempts 'For Sale' and 'garage sale' signs under six square feet from its zoning sign permit process, but only on the actual days of the sale. Put the sign up early or leave it standing afterward and it loses the exemption and falls under the county's general sign regulations, which sit in the zoning title's outdoor advertising chapter.
Black Hawk County Garage Sale Sign Rules
Light RestrictionsBlack Hawk County Code § 18.100.020(A)(7)
7. “For Sale” and “Garage Sale” type of signage less than six square feet only on days of sale on private property;
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