Westminster, CA Home Business: Zoning & Home Occupation Permits (2026)
Key Facts
- Permit required
- Home-Based Business Zoning Clearance Permit
- Max business area
- 300 sq ft or 20% of dwelling
- Permit review time
- 10 days after complete application
- Appeal deadline
- 15 calendar days
- Reapplication bar after denial
- 1 year
- Electrical cap
- 200 amperes to residence
Summary
Running a business from a Westminster home requires a Home-Based Business Zoning Clearance Permit before a business license can issue. The use must stay secondary to the residence, capped at 300 square feet or 20% of dwelling area, and undetectable from outside.
A. Home-Based Business Zoning Clearance Permit Required. The establishment of a home-based business, as defined in Article 7, Definitions, within any residential dwelling unit requires the issuance of a home-based business zoning clearance permit. A business license will not be issued for a business without the issuance of the home-based business zoning clearance permit. ... 3. Maximum area. The home-based business(es) either singularly or combined, may cumulatively occupy no more than 300 square feet or 20% (whichever is less) of the dwelling area, and any accessory structure, but not including any area of the garage area required for the parking of vehicles.
Official source re-checked September 7, 2026: no newer edition of the code had been published (publisher’s edition: rev 4982734; v10 updated 2026-06-10).
Full Breakdown
" The use must be "clearly incidental and secondary to the primary use of the property as the principal residence," and it cannot affect the residential character of the premises. Physical scale is capped: the business, singly or combined with any other home business at the address, may occupy no more than 300 square feet or 20% of the dwelling area, whichever is less, not counting garage space needed for required parking. 075 standards. No structural, electrical, or plumbing alterations may be made to accommodate the business, and no commercial vehicle or trailer tied to the business may be parked, maintained, or stored on the property unless documented off-site parking is secured. Electrical current to the home may not exceed 200 amperes because of the business. 045.
Violations & Fines
The Director may deny, condition, or revoke a permit for fraud in obtaining it, for operating contrary to its terms, or for creating a public nuisance under § 17.530.040; revocation of the permit also revokes the associated business license. Decisions may be appealed to the Planning Commission within 15 calendar days, then to the City Council within 15 days of the Commission's ruling, with a filing fee set by Council resolution under § 17.530.025.
Frequently Asked Questions
Do I need a permit to run a business from my Westminster home?
How much of my house can the business use?
How long does permit approval take?
Sources & Official References
Other rules in Westminster
How Westminster compares: Easiest Cities to Run a Home Business·California rules heatmap·Compare Westminster to another location·View the California home business overview
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Zoning & Home Occupation Permits in Nearby Cities
How other cities in Orange County handle zoning & home occupation permits.