Pressure Washing Permit Requirements in Portland, OR

1. EIN (Employer Identification Number)

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

   Official government source

   Free·Immediate (online)

   Free

   Immediate (online)

1. Oregon Business Registry

   Oregon has no sales tax. All businesses must register with the Oregon Secretary of State. Service businesses may need an Oregon Business Identification Number (BIN) for payroll taxes.

   Official government source

   $100 (LLC) or $100 (corporation)·1–3 business days (online)

   $100 (LLC) or $100 (corporation)

   1–3 business days (online)

2. General Liability Insurance

   Pressure washing businesses in Oregon 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/year·Same day (online quotes)

   $500–$1,500/year

   Same day (online quotes)

1. City of Portland Business License Tax Registration (Revenue Division)

   Portland has no flat-fee general business license. All businesses operating in Portland - including sole proprietors and home-based businesses - must register for the City of Portland Business License Tax with the Revenue Division within 60 days of starting business. Registration is free. The tax is 2.6% of net business income with a $100 minimum, filed annually on a combined return with the Multnomah County Business Income Tax (2% of net income; gross receipts under $100,000 are exempt from the county tax). Businesses with gross receipts under $75,000 (tax years beginning in 2026; rising to $100,000 in 2027) are exempt from the city tax but must still register. The Metro Supportive Housing Services 1% business income tax applies only to businesses with gross receipts over $5 million.

   Official government source

   Free to register; no annual license fee. Tax: 2.6% of net income ($100 minimum) only if gross receipts exceed $75,000 (2026 threshold; $100,000 from 2027)·1–3 weeks

   Free to register; no annual license fee. Tax: 2.6% of net income ($100 minimum) only if gross receipts exceed $75,000 (2026 threshold; $100,000 from 2027)

   1–3 weeks

2. Stormwater / Wastewater Discharge Compliance

   Pressure washing wastewater containing detergents, oils, paint, or grime must not enter Portland storm drains, which flow to local waterways. Contain wash water and dispose of it to the sanitary sewer. The City of Portland Bureau of Environmental Services (BES) enforces stormwater discharge rules; Oregon DEQ rules also apply. No permit fee - this is a compliance requirement.

   Official government source

   No permit fee (compliance requirement)·Ongoing compliance

   No permit fee (compliance requirement)

   Ongoing compliance

3. Oregon Assumed Business Name Registration (Secretary of State)

   Oregon assumed business names (DBAs) are registered STATEWIDE with the Oregon Secretary of State Corporation Division under ORS chapter 648 - not with Multnomah County (Oregon counties do not register business names). If you operate under any name other than your own legal name, register the assumed business name with the Secretary of State (online via Oregon Business Registry) before doing business under it; registration is renewed every two years.

   Official government source

   $50 filing fee (verify current fee with the Corporation Division); renewal every 2 years·1–2 weeks

   $50 filing fee (verify current fee with the Corporation Division); renewal every 2 years

   1–2 weeks

Official Sources

• City of Portland — Business Licensing
• Oregon Department of Environmental Quality
• Oregon Secretary of State

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