Calderon Excavations INC, C-8 Concrete Contractor in Greenbrae, CA
Calderon Excavations INC operating as a corporation holds an active California contractor license (CSLB #1053653), valid through May 31, 2027. First issued in 2019, the license has been on the CSLB roster for 7 years. It carries 2 CSLB classifications: C-8 Concrete Contractor and C-12 Earthwork and Paving Contractor. Records show an active surety bond on file with Nationwide Mutual Insurance Company and active workers' compensation coverage from National Liability and Fire Insurance Company. The business is based in Greenbrae, in Marin County, California.
- License Number
- 1053653
- Issued
- May 16, 2019
- Status
- CLEAR
- Expires
- May 31, 2027
- Entity
- Corporation
- Surety
- Nationwide Mutual Insurance Company
- Bond Number
- 7901007358
- Effective
- Jan 1, 2023
- Status
- Active
- Coverage
- Workers' Compensation Insurance
- Carrier
- National Liability and Fire Insurance Company
- Policy Number
- N9WC091582
- Effective
- Sep 2, 2025
- Expires
- Sep 2, 2026
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 Calderon Excavations INC licensed in California?
Yes. Calderon Excavations INC holds California Contractors State License Board license number 1053653, which is active and in good standing. The license was first issued on May 16, 2019. It is valid through May 31, 2027.
What does Calderon Excavations INC specialize in?
Calderon Excavations INC is licensed for 2 CSLB classifications: C-8 Concrete Contractor and C-12 Earthwork and Paving Contractor.
Where is Calderon Excavations INC headquartered?
Calderon Excavations INC is headquartered at 45 Via Belardo Apt #1, Greenbrae, CA 94904, in Marin County, California.
Does Calderon Excavations INC have an active surety bond on file with CSLB?
Yes. Calderon Excavations INC has an active California contractor surety bond filed with Nationwide Mutual Insurance Company.
Does Calderon Excavations INC carry workers' compensation coverage?
Yes. Calderon Excavations INC carries active workers' compensation coverage through National Liability and Fire Insurance Company.
How do I verify Calderon Excavations INC's contractor license?
You can verify Calderon Excavations INC's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=1053653.
- License issuedMay 16, 2019
- Bond activeJan 1, 2023
- WC coverage startsSep 2, 2025
- WC expiresSep 2, 2026
- License expiresMay 31, 2027
- Ghilotti Bros INC#132128San Rafael·A General Engineering Contractor
- Maggiora and Ghilotti INC#226767San Rafael·A General Engineering Contractor
- Holleran Daniel A#351427Novato·A General Engineering Contractor
- Ghilotti Gary Engineering Contractor#395047San Rafael·A General Engineering Contractor
- R Pulu Concrete#1062878Novato·C-8 Concrete Contractor
- Integrity Pipeworks#1086424San Rafael·C-12 Earthwork and Paving Contractor
- Beautyland Landscaping Pro#1089668Greenbrae·C-8 Concrete Contractor
- Lucio Landscape Construction,inc.#1105686San Rafael·C-8 Concrete Contractor
Working a California job with Calderon Excavations 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 Calderon Excavations INC? Claim or correct this profile