Klemme Construction, B General Building Contractor in Monte Rio, CA
Klemme Construction operating as a sole owner holds California contractor license #424799, which is currently expired (lapsed Jul 31, 2026) and not valid to contract until it is renewed. First issued in 1982, the license has been on the CSLB roster for 44 years. It carries a single CSLB classification: B — General Building Contractor. Records show an active surety bond on file with Atlantic Specialty Insurance Company and an exempt workers' compensation status (no employees on payroll). The business is based in Monte Rio, in Sonoma County, California.
- License Number
- 424799
- Issued
- Jul 1, 1982
- Status
- CLEAR
- Expires
- Jul 31, 2026
- Entity
- Sole Owner
- Surety
- Atlantic Specialty Insurance Company
- Bond Number
- 800233745
- Effective
- Dec 7, 2025
- Status
- Active
- Coverage
- Exempt
- Carrier
- —
- Policy Number
- —
- Effective
- Jul 17, 2024
- Expires
- —
This contractor has a compliance issue in its public CSLB record:
- License expired
An automated summary of public CSLB data, not a credit score, rating, or endorsement. How we determine this
Is Klemme Construction licensed in California?
Klemme Construction previously held California Contractors State License Board license number 424799, but the license expired on July 31, 2026 and is not currently valid. It was first issued on July 1, 1982.
What does Klemme Construction specialize in?
Klemme Construction is licensed for one CSLB classification: B General Building Contractor.
Where is Klemme Construction headquartered?
Klemme Construction is headquartered at P O Box 50, Monte Rio, CA 95462, in Sonoma County, California.
Does Klemme Construction have an active surety bond on file with CSLB?
Yes. Klemme Construction has an active California contractor surety bond filed with Atlantic Specialty Insurance Company.
Does Klemme Construction carry workers' compensation coverage?
Klemme Construction reports an exempt workers' compensation status, meaning the business has no employees on payroll.
How do I verify Klemme Construction's contractor license?
You can verify Klemme Construction's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=424799.
- License issuedJul 1, 1982
- WC coverage startsJul 17, 2024
- Bond activeDec 7, 2025
- License expiredJul 31, 2026
- Wiggins Electric INC#290442Santa Rosa·B General Building Contractor
- Long Joe L Custom Builder#279674Petaluma·B General Building Contractor
- Deangelis Construction INC#279673Santa Rosa·B General Building Contractor
- Masterson Bryan Enterprises#271933Petaluma·A General Engineering Contractor
- Curran Environmental Services INC#269122Petaluma·A General Engineering Contractor
- Galeazzi Kyle D#268152Rohnert Park·B General Building Contractor
- O'gorman Robert General Contractor#321530Sonoma·B General Building Contractor
- Cortes Ray General Contractor#317556Sebastopol·B General Building Contractor
Working a California job with Klemme Construction, 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 Klemme Construction? Claim or correct this profile