Ralph Tiemann Enterprises, C-9 Drywall Contractor in Petaluma, CA
Ralph Tiemann Enterprises operating as a sole owner holds an active California contractor license (CSLB #340741), valid through Jan 31, 2028. First issued in 1977, the license has been on the CSLB roster for 49 years. It carries a single CSLB classification: C-9 — Drywall Contractor. Records show an active surety bond on file with Atlantic Specialty Insurance Company and active workers' compensation coverage from Amtrust Insurance Company. The business is based in Petaluma, in Sonoma County, California.
- License Number
- 340741
- Issued
- Jul 28, 1977
- Status
- CLEAR
- Expires
- Jan 31, 2028
- Entity
- Sole Owner
- Surety
- Atlantic Specialty Insurance Company
- Bond Number
- 800212261
- Effective
- Feb 2, 2026
- Status
- Active
- Coverage
- Workers' Compensation Insurance
- Carrier
- Amtrust Insurance Company
- Policy Number
- KWC1425011
- Effective
- Jan 1, 2026
- Expires
- Jan 1, 2027
This contractor is verified, with no adverse conditions in the current CSLB record.
An automated summary of public CSLB data, not a credit score, rating, or endorsement. How we determine this
Is Ralph Tiemann Enterprises licensed in California?
Yes. Ralph Tiemann Enterprises holds California Contractors State License Board license number 340741, which is active and in good standing. The license was first issued on July 28, 1977. It is valid through January 31, 2028.
What does Ralph Tiemann Enterprises specialize in?
Ralph Tiemann Enterprises is licensed for one CSLB classification: C-9 Drywall Contractor.
Where is Ralph Tiemann Enterprises headquartered?
Ralph Tiemann Enterprises is headquartered at 4242a Petaluma Blvd No, Petaluma, CA 94952, in Sonoma County, California.
Does Ralph Tiemann Enterprises have an active surety bond on file with CSLB?
Yes. Ralph Tiemann Enterprises has an active California contractor surety bond filed with Atlantic Specialty Insurance Company.
Does Ralph Tiemann Enterprises carry workers' compensation coverage?
Yes. Ralph Tiemann Enterprises carries active workers' compensation coverage through Amtrust Insurance Company.
How do I verify Ralph Tiemann Enterprises's contractor license?
You can verify Ralph Tiemann Enterprises's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=340741.
- License issuedJul 28, 1977
- WC coverage startsJan 1, 2026
- Bond activeFeb 2, 2026
- WC expiresJan 1, 2027
- License expiresJan 31, 2028
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