County may ease workforce-housing fees for homes and ARUs under 3,000 sq. ft.

If you are trying to build a smaller home or an ARU, Teton County is considering making it cheaper. On Monday, June 1, the Planning Commission will take up AMD2026-0003, a Land Development Regulations text amendment that would raise the exemption threshold for affordable workforce housing mitigation from 2,500 to 3,000 square feet for detached single-family homes and ARUs, meaning units at or below that size would not have to pay the fee in lieu or provide mitigation. The staff report also makes clear this is all or nothing, if a unit expands beyond 3,000 square feet, the mitigation rules apply to the entire unit. Details are in the Planning Commission staff report.

What I will be watching for is the tradeoff question the county keeps circling: do we get more “right-sized” housing by removing the fee, or do we just cut one of the funding streams that helps create workforce units. Staff frames the change as reducing the burden on smaller projects and keeping local rules consistent for ARUs and houses, and the Planning Director recommends approval. If this moves forward, it is a countywide rule change, not a one-off exception.