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Business license requirements in Simi Valley, California depend on your industry, business activities, entity type, and location. Most businesses need several types of licenses to operate legally.
A general business license or business tax certificate from the City of Simi Valley is typically required for any business operating within city limits.
State-level tax registrations, professional licenses, and regulatory filings required by California agencies.
If you provide professional services in Simi Valley (legal, medical, engineering, accounting), you must hold the appropriate state-issued credentials.
Your business location in Simi Valley must comply with local zoning ordinances. Home-based businesses may need a home occupation permit.
Food service, health, fire, alcohol, and other industry-specific permits may be required depending on your business activities in Simi Valley.
Businesses in regulated industries (alcohol, firearms, broadcasting, transportation) must also obtain federal licenses and permits.
City of Simi Valley, Finance Department — Business License
2929 Tapo Canyon Road
Simi Valley, CA 93063
Mon-Fri 8:00 AM - 5:00 PM
Information verified as of June 17, 2026
Web VerifiedSimi Valley gives businesses an unusually generous 4-month window after Dec 31 expiration to renew without penalty — deadline is April 30. Business license cost includes a gross-receipts-based annual business tax (minimum $15 for GR under $20,000, $50 for GR $20,001–$300,000) plus a separate flat annual renewal fee of $19. Home to the Ronald Reagan Presidential Library.
December 31 (expires); penalty-free renewal through April 30. Calendar year.
Renews annually
$10 or 10% of tax (whichever greater) per month beginning May 1. Maximum 100%.
4-month penalty-free window (Dec 31 to Apr 30) — one of the longest grace periods in CA
Annual cost = gross-receipts-based business tax (min $15 for tier 1, $50 for tier 2) + flat $19 renewal fee; minimum total ~$34 for smallest businesses
Home to the Ronald Reagan Presidential Library
Administered through HdL Companies
Per Simi Valley Municipal Code. Contact HdL at (805) 850-1521.
| Fee | Amount | Period |
|---|---|---|
Annual business tax (gross receipts-based) Annual business tax (gross receipts-based): $15.00 (GR $0–$20,000) | Varies | varies |
$50.00 (GR $20,001–$300,000) $50.00 (GR $20,001–$300,000) | Varies | varies |
higher rates for GR above | $300,000 | annual |
plus flat annual renewal fee — (includes state CASp/SB-1186 fee | $19 | annual |
All businesses operating within Simi Valley city limits must obtain a business license prior to commencing operations.
All businessesYour business location must comply with Simi Valley's zoning ordinances. Contact the Planning Department to verify zoning before applying for a business license.
All businessesHome-based businesses in Simi Valley must obtain a home occupation permit in addition to a standard business license.
home basedNavigating business licensing in Simi Valley, CA doesn't have to be complicated. CLS provides end-to-end licensing support so you can focus on what matters—running your business.
We identify every license and permit required for your specific business in Simi Valley.
Our specialists prepare and submit all applications, ensuring accuracy to prevent delays.
We track every renewal date and handle the process proactively—no missed deadlines.
A real compliance expert assigned to your account—not a chatbot or call center.
CLS is the only provider that combines business licensing with a full suite of compliance services—all managed in one platform.
Businesses found operating without required licenses in Simi Valley, CA can face penalties ranging from late-fee surcharges to four-figure fines per violation, cease-and-desist orders, revocation of existing permits, inability to enforce contracts, and in some cases criminal misdemeanor charges. Don't risk your business.
Get a free compliance assessmentEvery city has different fees, deadlines, and penalties. Miss your filing window and penalties range from late-fee surcharges to four-figure fines — and operating unlicensed can mean forced closure. Search below to get the exact requirements for your location.
Not sure what you need? Get a free compliance assessment — our licensing experts will identify every requirement for your business.
Follow these steps to obtain your Simi Valley business license. Requirements vary by business type, but this is the general process for most businesses in Simi Valley, CA.
Before applying for a Simi Valley business license, determine your entity type (sole proprietorship, LLC, corporation, partnership). Your structure affects which licenses you need and how you register with California and the IRS.
Verify that your business location in Simi Valley is zoned for your intended use. Contact the Simi Valley Planning Department for zoning verification. Home-based businesses typically need a home occupation permit.
Register your business entity with the California Secretary of State (if applicable), obtain an EIN from the IRS, and register for state tax obligations including sales tax and employer withholding.
Submit your business license application to the City of Simi Valley, Finance Department — Business License. Online applications are available. Include all required documentation and fees.
Depending on your industry in Simi Valley, you may need additional permits — health department permits for food service, fire department approval, alcohol licenses, professional licenses, or industry-specific certifications.
Once issued, display your Simi Valley business license prominently at your place of business. Licenses renew annually. Track renewal deadlines to avoid penalties and late fees.
CLS also provides business license services in these California cities.
Simi Valley, California business license information on this page was compiled and verified by Corporate Legal Services from official government sources — last verified .
Simi Valley business license information last verified June 17, 2026. Fees, deadlines, and requirements are subject to change. Verify with Simi Valley or contact CLS for current requirements.