Buchmann INC, A General Engineering Contractor in Castro Valley, CA
Buchmann INC operating as a corporation holds an active California contractor license (CSLB #1004484), valid through Nov 30, 2027. First issued in 2015, the license has been on the CSLB roster for 11 years. It carries 4 CSLB classifications: A General Engineering Contractor, B General Building Contractor, C-10 Electrical Contractor, and C-46 Solar Contractor. Records show an active surety bond on file with Merchants Bonding Company (mutual) and active workers' compensation coverage from Ace American Insurance Company. The business is based in Castro Valley, in Alameda County, California.
- License Number
- 1004484
- Issued
- Jun 17, 2015
- Status
- CLEAR
- Expires
- Nov 30, 2027
- Entity
- Corporation
- Surety
- Merchants Bonding Company (mutual)
- Bond Number
- 101686931
- Effective
- Nov 12, 2025
- Status
- Active
- Coverage
- Leasing Firm, Temp Agency, etc
- Carrier
- Ace American Insurance Company
- Policy Number
- C73869675
- Effective
- Oct 5, 2025
- Expires
- Oct 1, 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 Buchmann INC licensed in California?
Yes. Buchmann INC holds California Contractors State License Board license number 1004484, which is active and in good standing. The license was first issued on June 17, 2015. It is valid through November 30, 2027.
What does Buchmann INC specialize in?
Buchmann INC is licensed for 4 CSLB classifications: A General Engineering Contractor, B General Building Contractor, C-10 Electrical Contractor, and C-46 Solar Contractor.
Where is Buchmann INC headquartered?
Buchmann INC is headquartered at 4355 Ferdinanda Pl, Castro Valley, CA 94546, in Alameda County, California.
Does Buchmann INC have an active surety bond on file with CSLB?
Yes. Buchmann INC has an active California contractor surety bond filed with Merchants Bonding Company (mutual).
Does Buchmann INC carry workers' compensation coverage?
Yes. Buchmann INC carries active workers' compensation coverage through Ace American Insurance Company.
How do I verify Buchmann INC's contractor license?
You can verify Buchmann INC's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=1004484.
- License issuedJun 17, 2015
- WC coverage startsOct 5, 2025
- Bond activeNov 12, 2025
- WC expiresOct 1, 2026
- License expiresNov 30, 2027
- Tucknott Electric CO#272838Livermore·A General Engineering Contractor
- Wes-CO Industries#246673San Leandro·A General Engineering Contractor
- Armer/Norman & Associates INC#256896San Leandro·A General Engineering Contractor
- D W Nicholson Corporation#68847Hayward·A General Engineering Contractor
- Robert J Simmons Engineering & General Contractor#294037Hayward·A General Engineering Contractor
- Alco Iron & Metal CO#293917San Leandro·A General Engineering Contractor
- Griffin James R INC#265111Fremont·A General Engineering Contractor
- Laubhan Randy Contractor#302032Pleasanton·B General Building Contractor
Working a California job with Buchmann 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 Buchmann INC? Claim or correct this profile