2 county-level rules, plus city-specific rules for 1 city in Hamilton County, Ohio.
Verified from official government sources
Hamilton County has no countywide political-sign ordinance. Time, size, and placement limits for yard signs come from your city, village, or township zoning resolution under ORC Chapter 519 (subject to First Amendment limits).
ORC 519.02(A)
...the board of township trustees may regulate by resolution, in accordance with a comprehensive plan, the location, height, bulk, number of stories, and size of buildings and other structures... and the uses of land for trade, industry, residence, recreation, or other purposes in the unincorporated territory of the township.
Hamilton County has no countywide garage-sale-sign ordinance. Temporary-sign size, duration, and placement (including a ban on right-of-way signs) are set by your city, village, or township under ORC Chapter 519.
ORC 519.02(A)
...the board of township trustees may regulate by resolution, in accordance with a comprehensive plan, the location, height, bulk, number of stories, and size of buildings and other structures... percentages of lot areas that may be occupied, set back building lines, sizes of yards, courts, and other open spaces...
1 cities in Hamilton County have their own sign regulations rules. Each link goes to that city's dedicated page with code citations.
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