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Business Licensing & Operations in San Mateo County, CA (2026)

6 county-level rules, plus city-specific rules for 1 city in San Mateo County, California.

Verified from official government sources

Note: These county rules apply to unincorporated areas of San Mateo County. If you live within an incorporated city, that city's own rules apply: see the city list below.

Massage Establishments

Since July 1, 2012, every massage practitioner working for compensation in unincorporated San Mateo County must hold current CAMTC certification, and every massage business must register with the Director of Environmental Health and employ only CAMTC-certified practitioners under County Code Chapter 5.44.

San Mateo County Massage Business Registration

Significant Restrictions

San Mateo County Code § 5.44.030

5.44.030 - CAMTC certification and local registration required. (a)Individuals. On and after July 1, 2012, it shall be unlawful for any individual to practice massage therapy for compensation as a sole proprietorship or employee of a massage business or in any other capacity within the unincorporated areas of San Mateo County unless that individual is a certified massage practitioner.(b)Busines...

Tattoo & Body Modification

Tattoo and piercing shops in unincorporated San Mateo County need an annual LEA permit, and every practitioner must hold a current registration.

San Mateo County Body Art Permits

Significant Restrictions

San Mateo County Code § 4.110.050

No Person shall own or operate a body art establishment without a current valid LEA permit.(c)No permittee shall allow an individual who does not possess a valid LEA registration to perform body art procedures at that establishment.(d)No individual shall perform body art procedures without a valid LEA registration.(e)No individual shall perform body art procedures in violation of any state or f...

Tobacco Retail License

Retailers in unincorporated San Mateo County need an annual county Tobacco Retailer Permit for every location selling tobacco products.

San Mateo County Tobacco Retailer Permit

Some Restrictions

San Mateo County Code § 4.98.110

(a)No Tobacco Retailer or other Person shall Sell or offer for Sale any Tobacco Product without a current and valid Tobacco Retailer Permit from San Mateo County for each location where such activities are conducted.(b)Permits are valid for one year and must be timely renewed annually by the Permit holder in order to continue to sell or offer for sale any Tobacco Product. A Retailer must obtain...

Secondhand Dealers

Secondhand dealers and flea market operators in unincorporated San Mateo County must license with the County and hold purchased goods 15 days before resale.

San Mateo County Secondhand Dealer License

Significant Restrictions

San Mateo County Code § 5.32.030; § 5.32.060

Secondhand dealer is a person, other than a used car dealer or dealer in secondhand books or magazines, engaged in conducting, managing, or carrying on the business of buying, selling, or otherwise dealing in secondhand goods, wares, or merchandise, but does not include a person who does not sell or offer to sell secondhand goods, wares, or merchandise, except such articles as are received by s...

Pawnbrokers

Anyone running a pawnbroker, secondhand dealer, junk dealer, or junk collector business in unincorporated San Mateo County must hold an annual License Board license under County Code Chapter 5.32. Applicants and badge-eligible employees submit fingerprints to the Sheriff, pay the license fee, and clear character review before opening.

San Mateo County Pawnbroker License Rules

Significant Restrictions

San Mateo County Code § 5.32.060; § 5.32.080

5.32.060 - License required. (a)No person shall engage in, operate, maintain, or carry on the business of a pawnbroker, secondhand dealer, junk dealer, or junk collector, without first making Application therefor, paying the annual License fee therefor, and receiving a License from the License Board to engage in such business pursuant to Chapter 5.04 of this title.(b)Each Application for a Lice...

Towing Companies

Unincorporated San Mateo County bans tow operators from soliciting business at crash scenes and keeps tow trucks 500 feet away.

San Mateo County Accident-Scene Towing Rules

Significant Restrictions

San Mateo County Code §§ 7.64.010, 7.64.020

No person shall at the location of any vehicular accident, collision, or other catastrophe or calamity, solicit or offer the sale of any tow service, or the sale or offering free any other services. (Prior code § 3751.0; Ord. 1118, 06/21/55) 7.64.020 - Parking of tow vehicles. No vehicles equipped for use as tow trucks shall be parked within five hundred (500) feet from the location of a...

Business Licensing & Operations by City in San Mateo County

1 cities in San Mateo County have their own business licensing & operations rules. Each link goes to that city's dedicated page with code citations.

All San Mateo County ordinances

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