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Business licenses & tax certificates

Check the local authority, requirements, applications, renewal, changes and public license searches for your business.

Check or apply for a business license Renew a business license Close or update a business license Look up a business license Register a business for stormwater compliance

Before you start

Start with where your business is located and where it will operate. A county license may apply only to unincorporated areas or specific activities; cities can have their own requirements.
Some county offices provide guidance or referrals and do not issue a general business license. Read the entry before choosing an application.
A business license or tax certificate, an FBN/DBA filing, business entity registration and a professional license serve different purposes. Zoning, health and other activity permits may also apply. Business stormwater registration is a separate local programme where required.
Check the license period, renewal date and rules for changes in ownership or location. A renewal may not cover a move or a new owner. Fees and application steps depend on the license category.

1 guide with reviewed service links · Reviewed local guides · “City of Patterson”

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County government · Stanislaus

Tax Collector

Business licensing

County new business-license applications and dedicated Business Services contactsOfficial instructions

Contact Business Services for a new county license. Existing county-license renewals and activity-specific permits have separate instructions; incorporated-city licensing belongs to the appropriate city.

Source checked October 16, 2026

Stanislaus County official website · Stanislaus County — business licensing discovery (opens in a new tab)

Reviewed business licensing instructions

New Business Licenses are handled by the Business Services Division of the Treasurer Tax Collector Department, located on the 5th floor at 1010 10th St., Suite 5700, Modesto, CA 95354.

Saved evidence: 95b2be8a773e8339 · Agent source review

Get the Stanislaus County business-license applicationOfficial instructions

Official county referral to the application PDF. Read its current instructions and confirm the business location and fees before submitting.

Source checked October 16, 2026

Stanislaus County official website · Stanislaus County — business licensing discovery (opens in a new tab)

Reviewed business licensing instructions

Business License Applications and instructions (requirements) are available on the internet.

Saved evidence: 95b2be8a773e8339 · Agent source review

County business-license renewal and city referral instructionsOfficial instructions

Use county renewal instructions for locations outside city limits; contact the municipality for licenses within its boundaries.

Source checked October 16, 2026

Stanislaus County official website · Stanislaus County — business licensing discovery (opens in a new tab)

Reviewed business licensing instructions

The County Tax Collector issues business license renewals for locations outside of city limits. For licenses within city limits, please contact the appropriate city.

Saved evidence: 95b2be8a773e8339 · Agent source review

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