Washington State Business License (UBI Number) in Seattle, Washington (2026)
Without a Washington State Business License, you cannot legally operate your restaurant, accept payments, or open a business bank account in Seattle. The Washington State Business License—also called a Unified Business Identifier (UBI) number—is issued by the Washington Department of Revenue and is required before you can apply for food service permits, health licenses, or local Seattle business tax certificates. This form contains 23 fields, and ApronPrep auto-fills 19 of them using your restaurant's basic information. The state charges no initial filing fee for the UBI application itself, though you may owe additional fees for city or state endorsements depending on your business type. Most applicants complete this in under 15 minutes with ApronPrep, which auto-fills 19 of 23 fields.
Analyzed from Washington State Business License (UBI Number)
83% from one compliance interview
Manual entry or document upload required
Why You Need a Washington State Business License (UBI Number)
A Washington State Business License and its associated Unified Business Identifier (UBI) Number are mandatory under the state's business registration statutes, including the Washington Business Corporation Act (RCW 23B), the Limited Liability Company Act (RCW 25.15), and the Assumed Name Statute (RCW 19.80). This registration is administered by the Washington State Department of Revenue. The UBI number is your business's official legal identifier for all state-level interactions, from taxes to professional licensing. Failure to register constitutes non-compliance with these statutes, which govern the legal formation and operation of entities within the state.
Operating without a valid UBI number exposes your business to significant legal and financial consequences. Based on ApronPrep's analysis of compliance data for Seattle-area restaurants, common penalties include:
- Administrative Dissolution or Revocation: The state can administratively dissolve a corporation or LLC for failure to file an annual report, which requires a current UBI. This strips the business of its legal standing.
- Inability to Enforce Contracts: A business that is not properly registered may be barred from bringing a lawsuit in Washington state courts to collect debts or enforce agreements.
- Personal Liability for Owners: Operating without a registered entity (like an LLC) can pierce the corporate veil, making owners personally liable for business debts and legal judgments.
- Blocked City Permits: The City of Seattle will not issue key local permits, such as a Food Establishment Permit or a Master Business License, without a state UBI number, freezing your opening timeline.
- Tax Penalties: The Department of Revenue will assess penalties and interest on late or unpaid business taxes filed under an invalid or non-existent UBI.
Legal code: State business corporation act, LLC act, partnership act, assumed name statutes
Recent update: In 2024, Washington state integrated its business licensing service more deeply with the Department of Revenue's online portal, streamlining the registration and renewal process for new entities.
Who Needs a Washington State Business License (UBI Number)?
| Type | Required | Notes |
|---|---|---|
| Restaurant (Full-Service) | Required | Required because any business engaging in selling food and beverages for on-premises consumption must register for a state business license under RCW 19.02.020. |
| Bar / Nightclub | Required | Required as a retail business with a primary activity of selling alcohol for on-premises consumption, necessitating a business license per RCW 19.02.020. |
| Food Truck | Required | Required because the mobile unit is a business location selling retail food, and a state business license is mandatory for the primary business address under RCW 19.02.020. |
| Coffee Shop / Café | Required | Required for selling prepared food and beverages at retail, regardless of seating capacity, as defined under Washington's business licensing statutes. |
See which restaurant types need this requirement — and which don't.
See Full Requirements →Field-by-Field Guide (23 Fields)
19 of 23 auto-filledFull Legal Business Name
textEnter the exact legal business name as it appears on your Articles of Incorporation, Organization, or LLC Certificate filed with the Washington Secretary of State, which must match other state registrations precisely.
COMMON MISTAKE: Using a trade name (DBA) or misspelling the name as registered with the Secretary of State.
Business Structure Type
textSelect the correct entity type from the form's list, such as Sole Proprietorship, General Partnership, Limited Liability Company (LLC), Corporation, or Nonprofit, as defined in Washington's business statutes.
COMMON MISTAKE: Selecting an incorrect entity type that does not align with your official state registration.
Trade Name or DBA
textIf applicable, enter your 'Doing Business As' name exactly as it is registered with the Washington Secretary of State or your county auditor; leave blank if you are operating under your legal name.
COMMON MISTAKE: Entering an unregistered DBA or entering it inconsistently with the county registration.
Business Physical Address
textEnter the complete street address, city, state, and ZIP code of the restaurant's physical location where business activity occurs, which must be a valid, deliverable address in Washington.
COMMON MISTAKE: Using a P.O. Box or a home address when the restaurant has a separate commercial location.
Business Mailing Address
textEnter the address where you wish to receive official mail from the Department of Revenue; this can be the same as the physical address, a P.O. Box, or a different location.
COMMON MISTAKE: Leaving this blank or entering an address where you cannot reliably receive tax correspondence.
Owner/Applicant Full Legal Name
textFor sole proprietorships or general partnerships, enter the owner's full legal first and last name; for LLCs or corporations, enter the name of the authorized representative or member as it appears on personal identification.
COMMON MISTAKE: Using a nickname or business title instead of the individual's legal name.
SSN or EIN
textEnter the 9-digit Employer Identification Number (EIN) issued by the IRS for the business entity, or for a sole proprietorship with no employees, you may use the owner's Social Security Number (SSN).
COMMON MISTAKE: Entering an incorrect or mismatched EIN/SSN, or using a personal SSN for an incorporated entity that requires an EIN.
Business Phone Number
textEnter a direct, working phone number for the business, including area code, where the Department of Revenue or other agencies can reach you during business hours.
COMMON MISTAKE: Providing a disconnected number, a personal cell number without voicemail, or an incorrect format.
Business Email Address
textEnter a professional email address you check regularly, as the Washington Department of Revenue will use it for official notifications, UBI assignment, and renewal reminders.
COMMON MISTAKE: Using a personal or rarely monitored email address, or one with typos.
Business Start Date
textEnter the date you began or will begin conducting business in Washington, using the MM/DD/YYYY format; for new restaurants, this is typically your planned opening date.
COMMON MISTAKE: Entering the date you formed the legal entity instead of the date you started/will start revenue-generating activity, or using an incorrect format.
ApronPrep auto-fills 19 of 23 fields from a single compliance interview — no re-typing, no guessing what the government expects.
Top 5 Washington State Business License (UBI Number) Mistakes
1. Selecting the Wrong 'Business Structure' or NAICS Code
Many applicants incorrectly select 'Sole Proprietorship' when they have legally formed an LLC or corporation, or choose a generic NAICS code that doesn't match their specific food service activities. This triggers a manual review by the Department of Revenue, which typically adds 2–3 weeks to processing. To avoid this, use the NAICS code 722511 for full-service restaurants or 722513 for limited-service (fast food) establishments, and confirm your legal structure with your Articles of Incorporation or Organization filing.
2. Mismatch Between Entity Name and EIN/SSN Filing
Entering your restaurant's 'Doing Business As' (DBA) name where the form asks for the exact legal entity name registered with the IRS or Secretary of State is a common error. For example, entering 'Seattle Bistro' when the LLC is legally 'Northwest Dining Group, LLC' will cause a rejection. This discrepancy forces you to refile, adding 1–2 weeks. Always use the exact legal name from your federal Employer Identification Number (EIN) confirmation letter or Social Security Number filing for sole proprietors.
3. Incomplete or Incorrect Registered Agent Information
Leaving the registered agent section blank or listing an individual who has not formally consented to the role is a high-rejection risk for corporations and LLCs. The registered agent must have a physical street address in Washington (not a P.O. Box) and be available during standard business hours. Applications missing this mandatory information are returned as incomplete. Verify this detail with your formation documents or your registered agent service before applying.
Skip the Paperwork on Your Washington State Business License (UBI Number)
ApronPrep auto-fills 19 of 23 fields from one compliance interview.
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Washington State Business License (UBI Number) by City in Washington
| City | Fee Range | Timeline |
|---|---|---|
| Seattle | Application fee varies based on business type (see Department of Revenue instructions for fee determination); additional fees apply for each city, county, or state endorsement | Online applications: approximately 10 business days to process; with city or state endorsements: additional 2-3 weeks. Mailed applications: up to 6 weeks to process. |
| Spokane | ||
| Tacoma |
Government Filing Fees
- Application fee varies based on business type (see Department of Revenue instructions for fee determination)
- additional fees apply for each city, county, or state endorsement
Timeline: 1–4 weeks (depending on endorsements)
Determine if your business meets registration requirements (using business license threshold criteria)
Check Washington's business license threshold: you need a UBI if you have any employees, are self-employed with net income over $1,000/year, or operate as a Corporation, Partnership, LLC, or LLP regardless of income. Most restaurants qualify because they have employees. This step takes 10–15 minutes and is non-negotiable — operating without a required license can result in fines up to $250/day per Washington RCW 82.04.215.
If business structure is a Domestic Corporation, Partnership, LLC, or LLP, register with Washington Secretary of State first
File your Articles of Incorporation, Articles of Organization, or Partnership Agreement with the Washington Secretary of State before applying for your UBI — the state requires proof of your business structure. This step typically takes 3–5 business days if filed online through the Secretary of State portal (sos.wa.gov) and costs $150–$200 in filing fees. Do not skip this: your UBI application will be rejected if your entity structure is not registered first.
Complete the Business Licensing Wizard to identify required endorsements and agencies
Use the Washington Department of Revenue's Business Licensing Wizard (dor.wa.gov/taxes-rates/business-licenses-permits) to determine which city, county, and state endorsements your restaurant needs — these typically include food service license (health department), seller's permit (sales tax), and possibly liquor license if you serve alcohol. This wizard identifies 2–4 additional agencies you'll need to contact. Takes 15–20 minutes and saves you from missing critical requirements.
Where to Apply
Applications go to the Washington secretary of state. Local procedures and fees may vary — select your city below.
Other Requirements You'll Need
This is one of 13 requirements for opening a restaurant in Washington.
ADA Compliance Self-Certification
federal
Alarm System Permit/Registration
local
Annual Report Filing
state
Application for Employer Identification Number
federal
See all co-required forms and how they connect to your compliance dossier.
See All RequirementsProcessing timelines vary depending on whether you apply online or by mail, per the Washington Department of Revenue website. Online applications through the WA Licensing portal typically receive a UBI number immediately upon approval, while paper applications may take 5–10 business days. Before applying for your UBI, ensure you've completed your Articles of Organization (LLC) or Articles of Incorporation (Corporation) if you're forming a new entity, as the Department may request proof of entity formation.
Washington State does not charge a government filing fee for UBI registration itself, per the Department of Revenue fee schedule. However, if you're forming a new business entity (LLC or Corporation), you'll pay separate filing fees to the Washington Secretary of State for your Articles of Organization or Articles of Incorporation. Contact the Washington Department of Revenue to confirm current fee structures. Not legal advice.
Your UBI number does not transfer to a new location — it remains tied to your original business entity. If you relocate your restaurant, you must update your address with the Washington Department of Revenue, but you keep the same UBI number. Contact the Department of Revenue at 360-705-6705 to report your address change and ensure your records reflect your new Seattle location.
A UBI number itself does not require renewal — it remains active as long as your business entity is in good standing, per the Department of Revenue guidance. However, you must file an Annual Report Filing with the Washington Secretary of State each year (if you're an LLC or Corporation) to maintain your business registration. Failure to file your annual report can result in administrative dissolution of your entity and potential loss of your UBI status.
The UBI application process itself does not include a state inspection — it is a registration and tax identification number issued by the Department of Revenue. However, once you receive your UBI, local health inspectors and city agencies (such as Seattle–King County Department of Public Health) may conduct separate inspections to verify compliance with food service, zoning, and building codes. Prepare your health permits and City Business License/Registration documents before your first operational inspection.
About This Data
This guide is generated from ApronPrep's compliance dossier system, which uses 53 parallel AI authority experts to discover requirements, then downloads actual forms and generates field-level intelligence for each one.
For Washington specifically, we have analyzed compliance dossiers for 3 cities (Seattle, Spokane, Tacoma), generating Rich FILs (Form Intelligence Layers) with 23 form fields analyzed for this requirement. Fee data is sourced from actual county department fee schedules, not estimates.
Our data is verified against official government sources and updated when regulatory changes are detected. If you find an error, please report it — accuracy is our core commitment.
Sources
- State business corporation act, LLC act, partnership act, assumed name statutes
- Seattle — Secretary of State / Corporations Division
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