Local rules - Mountains
In San Juan County, a small statutory government makes the local rules
San Juan County runs as a statutory county with the Town of Silverton inside it, so who sets the rules depends on which jurisdiction an address falls under.
Published June 10, 2026 - Last verified June 11, 2026
San Juan County is one of Colorado’s smallest counties by population, and the way it is governed reflects that. It runs as a statutory county, led by a Board of County Commissioners, rather than under a home-rule charter. Inside it sits the Town of Silverton, the county seat, which is its own statutory town with its own government.
For a buyer or new resident, the practical takeaway is the same as in any Colorado county: your address decides who makes the rules. A property inside Silverton’s town limits answers to the town for things like zoning and permits. A property out in the unincorporated county answers to the county. Unincorporated land is not rule-free — county land-use and building requirements still apply, along with a lot of surrounding federal public land managed by other agencies.
Because the county is small, the offices that handle planning, building, and land use are close at hand, and it is worth asking them directly before you assume what is allowed.
To confirm which jurisdiction governs a specific property and what its rules are, start with the San Juan County and Town of Silverton official sites.