Pressure Washing Permit Requirements in San Diego, CA

Complete permit and license guide for starting a pressure washing in San Diego, San Diego County, California.

Updated 2026-03-01 7 stops $150–$750 est. 1–3 weeks to obtain all required licenses and insurance
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Not legal advice. Requirements may change — always verify with your local government authority before applying. This guide was compiled from public and official sources (last updated ) and has not yet been independently source-verified — confirm each requirement before acting on it.

Federal — start here

1 stop

  1. EIN (Employer Identification Number)

    Required if you have employees or operate as an LLC/corporation. Free from the IRS.

    Official government source

    FreeImmediate (online)

State of California

3 stops

  1. California Seller's Permit

    Required for businesses selling or leasing tangible personal property in California. Issued free by the California Department of Tax and Fee Administration (CDTFA).

    Official government source

    FreeImmediate (online)

  2. California Contractor's License (C-61/D-40 — if applicable)

    If your pressure washing services involve any painting, surface prep, or construction-adjacent work over $500 in California, you may need a CSLB contractor's license. Pure exterior cleaning typically does not require a contractor's license, but verify with the Contractors State License Board.

    Official government source

    $450 (initial application)2–4 months

  3. General Liability Insurance

    Pressure washing businesses in California should carry general liability insurance ($1M minimum per occurrence) to cover property damage. Most commercial clients and property managers require proof of insurance before hiring. Vehicle insurance is also required if using a company vehicle.

    $500–$1,500/yearSame day (online quotes)

City of San Diego / San Diego County

3 stops

  1. San Diego Business License

    All businesses operating in San Diego must obtain a general Business License from the San Diego City Treasurer before conducting any commercial activities. Pressure washing companies must renew annually and may be subject to gross receipts-based fees.

    Official government source

    $25–$100/year1–3 weeks

  2. Stormwater / Wastewater Discharge Compliance

    Pressure washing businesses in San Diego must comply with local stormwater ordinances. Wastewater containing detergents, oils, or other pollutants cannot be allowed to enter storm drains. You may need to contain and properly dispose of wastewater. Contact San Diego County Environmental Health for specific requirements.

    Official government source

    No permit fee (compliance requirement)Ongoing compliance

  3. DBA (Doing Business As) Registration

    If operating under a trade name, file a Fictitious Business Name with San Diego County before accepting jobs under that name.

    $15–$501–2 weeks

Terminus

Open for business — est. $150–$750 · 1–3 weeks to obtain all required licenses and insurance

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Official Sources

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