WY · State directory
Wyoming ADU rules
Official accessory dwelling unit regulations for 12 jurisdictions in Wyoming, plus statewide law.
Not sure which city yet?
We have read the ordinances for 12 Wyoming cities and lined them up side by side: detached vs internal, size limits, owner occupancy, and approval process.
Statewide ADU law
Wyoming has state-level ADU legislation that applies across local jurisdictions. Local rules below may add requirements on top of state law.
Cities
Casper5 sources · verified August 2026Cheyenne4 sources · verified August 2026Cody5 sources · verified August 2026Evanston3 sources · verified August 2026Gillette4 sources · verified August 2026Jackson5 sources · verified August 2026Laramie4 sources · verified August 2026Riverton4 sources · verified August 2026Rock Springs3 sources · verified August 2026Sheridan4 sources · verified August 2026
Counties & regions
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