Blankenbiller Richard, A General Engineering Contractor in Monrovia, CA
Blankenbiller Richard operating as a sole owner holds an active California contractor license (CSLB #990648), valid through Feb 29, 2028. First issued in 2014, the license has been on the CSLB roster for 12 years. It carries a single CSLB classification: A — General Engineering Contractor. Records show an active surety bond on file with American Contractors Indemnity Company and an exempt workers' compensation status (no employees on payroll). The business is based in Monrovia, in Los Angeles County, California.
- License Number
- 990648
- Issued
- Feb 14, 2014
- Status
- CLEAR
- Expires
- Feb 29, 2028
- Entity
- Sole Owner
- Surety
- American Contractors Indemnity Company
- Bond Number
- 100239370
- Effective
- Jan 1, 2023
- Status
- Active
- Coverage
- Exempt
- Carrier
- —
- Policy Number
- —
- Effective
- Feb 4, 2026
- Expires
- —
This contractor warrants a closer look before contracting:
- Workers' comp listed as exempt
An automated summary of public CSLB data, not a credit score, rating, or endorsement. How we determine this
Is Blankenbiller Richard licensed in California?
Yes. Blankenbiller Richard holds California Contractors State License Board license number 990648, which is active and in good standing. The license was first issued on February 14, 2014. It is valid through February 29, 2028.
What does Blankenbiller Richard specialize in?
Blankenbiller Richard is licensed for one CSLB classification: A General Engineering Contractor.
Where is Blankenbiller Richard headquartered?
Blankenbiller Richard is headquartered at 120 East Duarte Road, Monrovia, CA 91016, in Los Angeles County, California.
Does Blankenbiller Richard have an active surety bond on file with CSLB?
Yes. Blankenbiller Richard has an active California contractor surety bond filed with American Contractors Indemnity Company.
Does Blankenbiller Richard carry workers' compensation coverage?
Blankenbiller Richard reports an exempt workers' compensation status, meaning the business has no employees on payroll.
How do I verify Blankenbiller Richard's contractor license?
You can verify Blankenbiller Richard's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=990648.
- License issuedFeb 14, 2014
- Bond activeJan 1, 2023
- WC coverage startsFeb 4, 2026
- License expiresFeb 29, 2028
- Langosh Construction#269600Winnetka·A General Engineering Contractor
- E & M Constructors INC#265371San Fernando·A General Engineering Contractor
- Metco Equipment INC#265415Long Beach·A General Engineering Contractor
- Sunrise Landscape CO INC#266132Santa Fe Springs·A General Engineering Contractor
- Brightview Landscape Services#266211San Fernando·A General Engineering Contractor
- Valverde Construction INC#276469Santa Fe Springs·A General Engineering Contractor
- Acosta & Sons Sewer Contractor#273035Glendale·A General Engineering Contractor
- Doty Bros Construction CO#273024Norwalk·A General Engineering Contractor
Working a California job with Blankenbiller Richard, 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 Blankenbiller Richard? Claim or correct this profile