Off-Grid Living in Carbon County, Utah

I've been digging into what off-grid living actually looks like in Carbon County, Utah, and the honest answer is: it depends a lot on which zone you land in, and the county leans on other agencies for a lot of the heavy lifting.

Zoning. Carbon County's Planning & Zoning Department runs the show for unincorporated land, with districts ranging from residential (R-1-20K, R-1-8K) to Mining & Grazing to commercial. I couldn't confirm from the zone-chart text whether living in a yurt, tent, or RV long-term is allowed in a given zone. This is one you need to ask Planning & Zoning about directly for your parcel. Note that Price, Helper, Wellington, East Carbon, and Scofield each run their own zoning and building rules, separate from the county.

Dwellings, tiny homes, RVs. No county-specific rule on RV or tiny-home occupancy turned up in my research. Foundation-built homes fall under the state building code, which the county Building Department enforces. If you're planning to live in something unconventional, don't assume it's fine just because the county hasn't written an ordinance against it, ask them.

Building permits. The Carbon County Building Department requires a permit before you construct, enlarge, alter, or change occupancy of a building, and it enforces the 2021 International Building Code with Appendix J. This is a straightforward inherited state code rule, applied locally.

Septic and greywater. Here's a wrinkle: Carbon County doesn't run its own health department for this. Septic approval goes through the Southeast Utah Health District, applying the statewide standard (Utah Administrative Code R317-4). Greywater looks to be handled the same way, following the state's R317-401 process, though I couldn't confirm a health-district-specific greywater page.

Rainwater. No county ordinance restricts rainwater collection, so this appears to follow the state's general allowance (Utah Code 73-3-1.5).

Wells and water. This is where Carbon County gets specific. For any land division or new hookup, you need to show a water source, either a letter from Price River Water Improvement District (often tied to a Scofield Reservoir share), or in outlying areas proof you'll meet Health Department cistern rules, haul water with a Scofield share, or get a well/spring approved by the State Engineer. Well drilling itself is regulated statewide by the Utah Division of Water Rights, with a regional office in Price.

Full off-grid / no utility hookup. I didn't find an outright ban on living without utility connections, but the subdivision process effectively pushes you toward proving a water source and meeting fire-flow standards (a minimum flow, reducible with sprinklers or fire chief sign-off) before development gets approved. So "unclear but practically restricted" is the fairest way to put it.

Bottom line: Carbon County itself isn't the only authority you'll deal with, the Southeast Utah Health District and the state Division of Water Rights matter just as much. Call before you build.