| WI | Marathon County | City of Mosinee Building Department | website |
| WI | Marathon County | City of Schofield Building Department | website |
| WI | Marathon County | City of Wausau Building Department | website |
| WI | Marathon County | Marathon County (no county building department) | website |
| WI | Marathon County | Village of Athens Building Department | website |
| WI | Marathon County | Village of Edgar Building Department | website |
| WI | Marathon County | Village of Elderon Building Department | website |
| WI | Marathon County | Village of Fenwood Building Department | website |
| WI | Marathon County | Village of Hatley Building Department | website |
| WI | Marathon County | Village of Kronenwetter Building Department | website |
| WI | Marathon County | Village of Maine Building Department | website |
| WI | Marathon County | Village of Marathon City Building Department | website |
| WI | Marathon County | Village of Rib Mountain Building Department | website |
| WI | Marathon County | Village of Rothschild Building Department | website |
| WI | Marathon County | Village of Spencer Building Department | website |
| WI | Marathon County | Village of Stratford Building Department | website |
| WI | Marathon County | Village of Unity Building Department | website |
| WI | Marathon County | Village of Weston Building Department | website |