Washington Occupational Licensing Guide: Which State Agency Licenses Your Business (L&I, DOL, DOH, LCB, WSDA)
Washington Occupational Licensing Guide: Which State Agency Licenses Your Business (L&I, DOL, DOH, LCB, WSDA)
Most people starting a business in Washington expect one license from one office. That is not how the state works. Washington has a general state business license from the Department of Revenue, plus a separate Washington occupational license issued by the agency or board that regulates each trade or profession. A contractor, a real estate broker, a massage therapist, and a cannabis retailer can each need a different agency, a different application, and a different fee schedule.
This guide explains how the two layers fit together, which agency covers which trade, and how to build your own list of required approvals before you pay for the wrong application.
Informational only: This guide is general information, not legal or tax advice. Licensing rules, fees, and deadlines change. Confirm current requirements with the agency that issues the license, and consult a qualified attorney or CPA before making decisions about entity structure, taxes, or a complex licensing situation.
Two Layers of Licensing in Washington
Think of Washington licensing in two layers.
- The general layer: the state business license from the Business Licensing Service (BLS), which sits inside the Department of Revenue (DOR). The BLS issues your 9-digit Unified Business Identifier (UBI), registers trade names, and processes state and city endorsements in one application.
- The occupational layer: a license from the agency, board, or commission that regulates your trade. The BLS does not issue these.
Many businesses need both. A business that hires employees needs a UBI from the BLS, and an electrical contractor also needs a license from the Department of Labor and Industries (L&I).
Washington also has 39 counties and 281 incorporated cities and towns, and local governments can add requirements on top of state rules. Local requirements are covered later in this guide.
The Business Licensing Service: Your State Business License
You need a Business License Application through the BLS if any of the following apply:
- The business needs city, county, or state endorsements.
- It operates under a name other than the owner's full legal name.
- It plans to hire employees within 90 days.
- It sells anything subject to sales tax.
- It has gross income of $12,000 per year or more.
- It owes any tax or fee to the Department of Revenue.
- It buys or processes specialty wood products, or it meets nexus thresholds.
Corporations, LLCs, and LLPs must file with the Secretary of State before submitting the Business License Application. Sole proprietors and general partnerships do not file with the Secretary of State and go straight to the BLS.
The BLS charges a $50 processing fee to open a business, plus separate endorsement fees. The processing fee is non-refundable. If your filing is for another purpose, such as adding a trade name to an existing business, the processing fee is $10. Check the current endorsement fees on the DOR site before you apply.
Online applications take about 10 business days. Endorsements that need city or state approval can add 2 to 3 weeks. Mailed applications can take up to six weeks, so the online route is usually faster.
Trade Names Go Through the BLS
If you operate under a name other than your legal name, you must register a trade name. Trade names are registered through the BLS, not the Secretary of State or the county. Each trade name costs $5, plus the non-refundable Business License Application processing fee. You can find the registration steps at dor.wa.gov.
Entity Filings That Come Before the BLS
If you form an LLC or corporation, your first filing goes to the Secretary of State's Corporations and Charities Division through the Corporations and Charities Filing System (CCFS) at ccfs.sos.wa.gov.
- LLC: Certificate of Formation with Initial Report, $180 filing fee. The name must include 'Limited Liability Company,' 'Limited Liability Co.,' 'L.L.C.,' or 'LLC,' and must be distinguishable from every other business name on record.
- Corporation: Articles of Incorporation with Initial Report, $180 filing fee.
- Annual report: $70 each year, due by the last day of the month in which the entity was formed or registered. You may file up to 180 days early. A late filing carries a delinquency fee, for a total of $95.
Expedited service is $100 per entity and is generally processed within three business days. A name reservation costs $30 and holds the name for 180 days.
Washington uses the term registered agent, and every domestic entity and registered foreign entity must designate one under RCW 23.95.405. The agent must consent to serve, supply an email address, and have a physical street address in Washington. PO Boxes and private mailbox addresses are not accepted. There is no fee to change the registered agent or registered office.
If you operate as a sole proprietor or general partnership, you skip CCFS entirely.
Occupational Licenses by Agency
The table below matches the main agencies to the trades they regulate. The examples are fees as of 2026, so confirm each one on the agency's own fee page before you apply.
| Agency | What It Licenses | Key Notes |
|---|---|---|
| Department of Labor and Industries (L&I) | Contractor registration, electricians, plumbers | Contractor registration is handled by L&I, not the BLS. Check fees with L&I. |
| Department of Licensing (DOL) | Real estate brokers, cosmetology and barbering, notaries, security guards, tow operators, auctioneers, collection agencies, tattoo and body art | Real estate broker: $233 (includes a $20 research fee). Managing broker: $330. Notary application: $40. |
| Department of Health (DOH) | Health professions, including massage; annual transient accommodation licenses | Transient accommodation licenses apply to facilities with three or more lodging units (RCW 70.62). Check fees with DOH. |
| Liquor and Cannabis Board (LCB) | Liquor, cannabis, tobacco, and vapor | The BLS also issues related state endorsements, so confirm with the LCB which application applies. |
| Washington State Department of Agriculture (WSDA) | Cottage food, food processors, pesticides, hemp | Pesticide dealers also appear as a BLS endorsement. Confirm with WSDA. |
Contractors and Trades: L&I
L&I registers contractors and licenses electricians and plumbers. Contractor registration is a separate step from your BLS application, and the BLS will not handle it for you. Confirm the current requirements and fees directly with L&I at lni.wa.gov before you take on work.
Professions and Personal Services: DOL
DOL covers the widest range of individual credentials. Real estate brokers pay $233 for an original or renewal license, which includes a $20 research fee, and managing brokers pay $330. Notaries pay a $40 application fee. Check the DOL fee page at dol.wa.gov before you submit, because these figures are examples.
Health and Lodging: DOH
DOH licenses health professions, including massage. It also issues annual transient accommodation licenses for facilities with three or more lodging units under RCW 70.62. If you run a hotel, bed and breakfast, or rental property with multiple units, ask DOH whether your property falls under this requirement at doh.wa.gov.
Alcohol, Cannabis, and Tobacco: LCB
The LCB licenses liquor, cannabis, tobacco, and vapor businesses, which are among the most heavily regulated categories in the state. Because the BLS also issues related state endorsements, the same activity may appear on more than one application. Confirm with the LCB which filing your business must make at lcb.wa.gov.
Food, Farm, and Pesticide: WSDA
WSDA licenses cottage food operations, food processors, pesticide activity, and hemp. Confirm which category fits your product before you apply, since the license type depends on what you make and how you make it. Start at agr.wa.gov.
Other State Agencies
- DCYF: child care licenses. The BLS does not issue day care licenses.
- DSHS: adult family homes.
- Utilities and Transportation Commission (UTC): movers and charter services.
- Gambling Commission: gambling licenses. The BLS does not issue these either.
City and County Licenses, Local B&O Taxes, and Health Permits
Washington has no corporate income tax and no personal income tax on wages. Most businesses instead pay the state business and occupation (B&O) tax, a gross receipts tax with more than 50 activity classifications. The B&O tax allows no deduction for labor, materials, or other costs, so it applies to gross receipts.
About 54 cities add their own local B&O tax. The Department of Revenue does not administer these local taxes, so ask your city's finance or revenue office how its tax applies to your business.
City endorsements can be included in your BLS application, but cities and counties may also impose their own requirements, including zoning rules. Health district permits are issued locally, so contact your local health district directly. The Association of Washington Cities and your county government's website are good places to start.
Build Your License Checklist
- Confirm your entity type. If you are an LLC or corporation, file with CCFS first and appoint a registered agent with a physical Washington street address.
- Identify your trade or profession in the agency table above, then search that agency's site for the exact license type.
- Determine whether you need a UBI through the BLS, and which state and city endorsements apply.
- Register any trade name through the BLS.
- Check your city and county for business license, zoning, and health district requirements.
- Confirm your B&O tax obligations with the Department of Revenue, and check whether your city adds its own B&O tax.
- Confirm the current fee and processing time on each agency's fee page before you submit anything.
Common Mistakes to Avoid
- Assuming the BLS license covers everything. It does not issue contractor, day care, or gambling licenses.
- Filing a trade name with the Secretary of State or the county. Trade names go through the BLS.
- Using a PO Box as your registered agent address. Washington requires a physical street address in the state.
- Skipping endorsement timelines. Endorsements that need city or state approval can add 2 to 3 weeks.
- Relying on old fee numbers. Fees change, including the examples in this guide.
Where to Confirm Current Requirements
- Department of Revenue, Business Licensing Service: dor.wa.gov/open-business/apply-business-license
- Secretary of State, Corporations and Charities Filing System: ccfs.sos.wa.gov
- Department of Labor and Industries: lni.wa.gov
- Department of Licensing: dol.wa.gov
- Department of Health: doh.wa.gov
- Liquor and Cannabis Board: lcb.wa.gov
- Washington State Department of Agriculture: agr.wa.gov
- Washington Small Business Development Center: wsbdc.org
- U.S. Small Business Administration, Seattle District: sba.gov/district/seattle
If your business touches more than one regulated trade, or you are unsure whether an activity needs a license at all, talk with a Washington attorney or CPA before you file. A professional can confirm which agency has jurisdiction over your specific activity and how the B&O tax applies to it.