Licenses and permits to open a warehouse or 3PL in San Diego
A warehouse adds occupancy and fire rules for storage, and customs filings when it handles imports. Here are the 11 filings, in the order they're made.
Application for Employer Identification Number (EIN)
Internal Revenue ServiceUS federal
Owners with an SSN or ITIN apply online. A company whose responsible party has neither (most China-based owners) faxes or mails Form SS-4, or calls the IRS international line.
- Fee
- Free
- Filed
- Paper form, faxed or mailed
- Takes
- Fax: about 4 business days. Mail: about 4 to 5 weeks. Phone: issued on the call.
Articles of Organization (California LLC)
California Secretary of StateCalifornia
Filed online in bizfile Online.
- Fee
- $70
- Filed
- Filed online
- Takes
- Online filings are currently reviewed about 3 days after receipt (mail about 8 days), per the Oct 8, 2026 queue.
- Renews
- Statement of Information (LLC-12, $20) within 90 days, then every two years.
Seller's permit
California Department of Tax and Fee AdministrationCalifornia
Register online before your first sale; one permit for each location.
- Fee
- Free
- Filed
- Filed online
- Takes
- Often issued the same day.
- Renews
- Does not expire.
Create/Update Importer Identity Form
U.S. Customs and Border ProtectionUS federal
Sent to CBP (usually through your customs broker), or created in the ACE portal. Needed before your first entry as importer of record.
- Fee
- Free
- Filed
- Paper form, mailed
- Takes
- Up to 5 business days.
Customs Bond
U.S. Customs and Border ProtectionUS federal
Bought from a CBP-approved surety, usually through your customs broker, who files it electronically. A continuous bond covers a year of entries.
- Fee
- Varies
- Filed
- Filed on the agency's portal
- Takes
- At least 5 business days for review.
- Renews
- Continuous bonds renew yearly.
ACE Secure Data Portal account for importers
U.S. Customs and Border ProtectionUS federal
Applied for online in ACE. Lets you see your entries, duties and bond.
- Fee
- Free
- Filed
- Filed online
City of San Diego Business Tax Certificate
City of San Diego, Office of the City TreasurerSan Diego
Every business operating in the City of San Diego registers, online on the Treasurer's portal, by mail or in person by appointment. Late fees apply to applications received 15 days after the business start date.
- Fee
- Varies
- Filed
- Filed online
- Takes
- Allow up to two weeks to receive the certificate.
Hazardous materials registration
Pipeline and Hazardous Materials Safety Administration (DOT)US federal
Filed online when you ship or offer certain hazardous materials in bulk, such as large lithium battery shipments.
- Fee
- Varies
- Filed
- Filed online
- Renews
- Every year by June 30.
Registration Form for Commercial Employers
California Employment Development DepartmentCalifornia
Register in e-Services for Business within 15 days of paying over $100 in wages.
- Fee
- Free
- Filed
- Filed online
- Takes
- Mail-in registration takes about 10 to 14 days; online is faster.
Certificate of Occupancy
City of San Diego Development ServicesSan Diego
Issued after the final inspection of building permit work. Needed for a change of occupancy classification or a tenant improvement in a shell building; not needed for a change of owner or tenant when the occupancy doesn't change.
- Fee
- Varies
- Filed
- Filed on the agency's portal
- Takes
- San Diego doesn't publish a delivery time for a commercial Certificate of Occupancy; it's issued once every inspection under the permit has final approval (only affordable housing and shelters get set deadlines).
LLC annual tax ($800)
California Franchise Tax BoardCalifornia
Paid every year by every LLC registered or doing business in California.
- Fee
- $800
- Filed
- Filed online
- Takes
- Paying the $800 LLC tax online through Web Pay is immediate; it's due by the 15th day of the 4th month of the LLC's tax year.
- Renews
- Every year, by the 15th day of the 4th month of the tax year.
More on opening in San Diego
Questions people ask
Other businesses in San Diego
Agency requirements change. Check each agency's page before you file.
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Get the plan for your warehouse or 3PL in San Diego
This guide covers the city. Your exact address decides the county, the health district and the zoning. Placetta maps every filing for it, fills the official forms from your details, adds the deadlines and puts them up for your approval.
- The full list for your address, in filing order
- The official forms, filled line by line
- Renewal and inspection reminders