Casper, WY Home Business: Zoning & Home Occupation Permits (2026)

Casper Municipal Code § 17.12.140 defines a home occupation as "a business/commercial use conducted primarily within the dwelling unit" and allows it "as a permitted accessory use in any residential district," provided it meets every requirement in the section. Subsection A.1 caps the space used for the business at twenty-five percent of the floor area of the dwelling unit, counting accessory buildings toward that ceiling, so a homeowner cannot convert most of the house or an attached garage into commercial space and still call it a home occupation.

Subsection A.2 limits exterior advertising to a single identification sign attached flush with the dwelling, no larger than one square foot, and the sign cannot be illuminated. The use must otherwise be incidental to the residential occupancy, cause no change in outside appearance, and comply with the off-street parking table in § 17.12.080. A garage sale running three consecutive days or fewer, or three days total in any ninety-day period, is not treated as a home occupation and falls outside these rules entirely. Enforcement is complaint-driven: § 17.12.140(B) requires a written or oral complaint to the planning director naming the violation, the date it started, and the problems it has caused; once a zoning enforcement officer substantiates it, § 17.12.140(C) sends the matter to a public hearing before the planning and zoning commission, which can order the home occupation discontinued, continued with conditions, continued without conditions, or continued unchanged if it has operated for at least five years without enforcement action.