Abacus Group Builders INC, B General Building Contractor in Corte Madera, CA
Abacus Group Builders INC operating as a corporation holds an active California contractor license (CSLB #522340), valid through Aug 31, 2027. First issued in 1988, the license has been on the CSLB roster for 38 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Indemnity Company and a previously-filed workers' compensation policy with Ace American Insurance Company that is no longer active. The business is based in Corte Madera, in Marin County, California.
- License Number
- 522340
- Issued
- Jan 5, 1988
- Status
- CLEAR
- Expires
- Aug 31, 2027
- Entity
- Corporation
- Surety
- American Contractors Indemnity Company
- Bond Number
- SC1025517
- Effective
- Jan 1, 2023
- Status
- Active
- Coverage
- Leasing Firm, Temp Agency, etc
- Carrier
- Ace American Insurance Company
- Policy Number
- C73860258
- Effective
- Oct 1, 2025
- Expires
- Oct 1, 2026
This contractor has a compliance issue in its public CSLB record:
- No active workers' comp on file
An automated summary of public CSLB data, not a credit score, rating, or endorsement. How we determine this
Is Abacus Group Builders INC licensed in California?
Yes. Abacus Group Builders INC holds California Contractors State License Board license number 522340, which is active and in good standing. The license was first issued on January 5, 1988. It is valid through August 31, 2027.
What does Abacus Group Builders INC specialize in?
Abacus Group Builders INC is licensed for one CSLB classification: B General Building Contractor.
Where is Abacus Group Builders INC headquartered?
Abacus Group Builders INC is headquartered at Po Box 746, Corte Madera, CA 94976, in Marin County, California.
Does Abacus Group Builders INC have an active surety bond on file with CSLB?
Yes. Abacus Group Builders INC has an active California contractor surety bond filed with American Contractors Indemnity Company.
Does Abacus Group Builders INC carry workers' compensation coverage?
Abacus Group Builders INC has a previously-filed workers' compensation policy with Ace American Insurance Company that is no longer active.
How do I verify Abacus Group Builders INC's contractor license?
You can verify Abacus Group Builders INC's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=522340.
- License issuedJan 5, 1988
- Bond activeJan 1, 2023
- WC coverage startsOct 1, 2025
- WC expiredOct 1, 2026
- License expiresAug 31, 2027
- Certified Builders#408477Novato·B General Building Contractor
- Kuykendall Lance#408937San Rafael·B General Building Contractor
- Albertoli Construction Corporation#409408San Rafael·B General Building Contractor
- Kc Building#404554San Rafael·B General Building Contractor
- Trimble Construction#405113San Anselmo·B General Building Contractor
- Johnson John A General Contractor#402624Corte Madera·B General Building Contractor
- Nee Roy#403327Inverness·B General Building Contractor
- Schalich Builders#400966Novato·B General Building Contractor
Working a California job with Abacus Group Builders INC, 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 Abacus Group Builders INC? Claim or correct this profile