3 rules for unincorporated Yellowstone County, Montana.
Verified from official government sources
In the zoned Billings/Yellowstone County jurisdiction, setbacks are set by district. The N1 residential district requires a front build-to zone of 8–25 feet, a 5-foot minimum side setback, and a 5-foot minimum rear setback. Rural unzoned county land has no county setback rule.
Billings/Yellowstone County Zoning Code Sec. 27-304, Table 27-300.3 (N1 district)
Side Setback (feet): 5 minimum. Rear Setback (feet): 5 minimum. Accessory Building: Min. Rear Setback (feet): 3, except 0 at alley. Front Build-to Zone (feet): 8–25; block face average allowed.
In the zoned Billings/Yellowstone County jurisdiction, height caps are set by district. The N1 residential district limits a principal building to 2.5 stories / 34 feet and accessory buildings to 2 stories / 27 feet. Industrial districts allow up to 70 feet. Rural unzoned land has no county height cap.
Billings/Yellowstone County Zoning Code Sec. 27-304, Table 27-300.3 (N1 district)
Principal Building: Maximum Height (stories): 2.5; Maximum Height (feet): 34. Accessory Building: Maximum Height (stories): 2; not taller than the principal structure; Maximum Height (feet): 27.
In the zoned Billings/Yellowstone County jurisdiction, maximum building coverage is set by district. The N1 residential district caps building coverage at 60 percent, while light industrial (I1) allows up to 75 percent. Rural unzoned county land has no county lot-coverage rule.
Billings/Yellowstone County Zoning Code Sec. 27-304, Table 27-300.3 (N1 district)
Maximum Building Coverage (%): 60.
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