Mazzini Richard A, B General Building Contractor in Mill Valley, CA
Mazzini Richard A operating as a sole owner holds an active California contractor license (CSLB #464153), valid through Oct 31, 2026. First issued in 1984, the license has been on the CSLB roster for 42 years. It carries a single CSLB classification: B — General Building Contractor. Records show an active surety bond on file with American Contractors Indemnity Company and an exempt workers' compensation status (no employees on payroll). The business is based in Mill Valley, in Marin County, California.
- License Number
- 464153
- Issued
- Oct 12, 1984
- Status
- CLEAR
- Expires
- Oct 31, 2026
- Entity
- Sole Owner
- Surety
- American Contractors Indemnity Company
- Bond Number
- SC6303100
- Effective
- Jan 1, 2023
- Status
- Active
- Coverage
- Exempt
- Carrier
- —
- Policy Number
- —
- Effective
- Jul 16, 2025
- Expires
- —
This contractor warrants a closer look before contracting:
- Workers' comp listed as exempt
An automated summary of public CSLB data, not a credit score, rating, or endorsement. How we determine this
Is Mazzini Richard A licensed in California?
Yes. Mazzini Richard A holds California Contractors State License Board license number 464153, which is active and in good standing. The license was first issued on October 12, 1984. It is valid through October 31, 2026.
What does Mazzini Richard A specialize in?
Mazzini Richard A is licensed for one CSLB classification: B General Building Contractor.
Where is Mazzini Richard A headquartered?
Mazzini Richard A is headquartered at 366 So Morning Sun Ave, Mill Valley, CA 94941, in Marin County, California.
Does Mazzini Richard A have an active surety bond on file with CSLB?
Yes. Mazzini Richard A has an active California contractor surety bond filed with American Contractors Indemnity Company.
Does Mazzini Richard A carry workers' compensation coverage?
Mazzini Richard A reports an exempt workers' compensation status, meaning the business has no employees on payroll.
How do I verify Mazzini Richard A's contractor license?
You can verify Mazzini Richard A's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=464153.
- License issuedOct 12, 1984
- Bond activeJan 1, 2023
- WC coverage startsJul 16, 2025
- License expiresOct 31, 2026
- Ghilotti Gary Engineering Contractor#395047San Rafael·A General Engineering Contractor
- Quick Connect Electric CO#394146Corte Madera·B General Building Contractor
- Original Construction#330458Fairfax·B General Building Contractor
- Ventana 76#341292Larkspur·B General Building Contractor
- Nichelini & Sons INC#339365San Anselmo·B General Building Contractor
- Murphy Construction#338713San Rafael·B General Building Contractor
- Evje Roger H#338753Point Reyes Station·B General Building Contractor
- Roots Construction CO INC#349931San Rafael·B General Building Contractor
Working a California job with Mazzini Richard A, or chasing an unpaid invoice? These free tools track your mechanics lien deadlines and rights under California Civil Code §§8200–8848.
- California preliminary notice deadline calculatorFind your 20-day deadline and the lien rights at risk.
- Do I need a preliminary notice in California?Answer a few questions to see if the 20-day notice applies.
- Did I lose my California lien rights?Check whether your mechanics lien window has passed.
- Unpaid construction invoice in CaliforniaYour options and deadlines for collecting on a California job.
Own Mazzini Richard A? Claim or correct this profile