Trinity County, CA Property Maintenance: Garage Sale Rules (2026)

No ordinance requiring a permit, charging a fee, or capping the number of garage or yard sales per year was identified in Trinity County's published code materials. Because the entire county is unincorporated, there is no city permit layer either — the County Code is the only local rule set, and it does not appear to single out garage sales. Sales are therefore treated as generally permitted, subject to two related limits. First, nuisance and blight: leftover merchandise, boxes, and accumulated items must not be allowed to pile up, since accumulated junk and refuse can be addressed as a nuisance under the County's Title 8 framework (which the County is actively strengthening). Sale signs should not be left in the public right-of-way or abandoned after the sale, and should be removed promptly. Second, state tax law: the California Department of Tax and Fee Administration treats genuinely occasional, non-recurring sales of an individual's used personal property as not requiring a seller's permit, but a person holding frequent or ongoing sales may be considered a business and need a permit (and zoning compliance). Anyone planning recurring or large-scale sales — which can edge into a home-occupation or retail use — should confirm zoning with the Trinity County Planning Department. Because no garage-sale-specific rule could be confirmed in a fetched County source, residents should verify current requirements with Planning or code enforcement before relying on this.