Mackenbach John F, B General Building Contractor in Rolling Hills, CA
Mackenbach John F operating as a sole owner holds California contractor license #540055, which is currently expired (lapsed Aug 31, 2026) and not valid to contract until it is renewed. 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 an exempt workers' compensation status (no employees on payroll). The business is based in Rolling Hills, in Los Angeles County, California.
- License Number
- 540055
- Issued
- Aug 30, 1988
- Status
- CLEAR
- Expires
- Aug 31, 2026
- Entity
- Sole Owner
- Surety
- American Contractors Indemnity Company
- Bond Number
- 100118526
- Effective
- Jan 1, 2023
- Status
- Active
- Coverage
- Exempt
- Carrier
- —
- Policy Number
- —
- Effective
- Jul 29, 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 Mackenbach John F licensed in California?
Mackenbach John F previously held California Contractors State License Board license number 540055, but the license expired on August 31, 2026 and is not currently valid. It was first issued on August 30, 1988.
What does Mackenbach John F specialize in?
Mackenbach John F is licensed for one CSLB classification: B General Building Contractor.
Where is Mackenbach John F headquartered?
Mackenbach John F is headquartered at 56 Portuguese Bend Rd, Rolling Hills, CA 90274, in Los Angeles County, California.
Does Mackenbach John F have an active surety bond on file with CSLB?
Yes. Mackenbach John F has an active California contractor surety bond filed with American Contractors Indemnity Company.
Does Mackenbach John F carry workers' compensation coverage?
Mackenbach John F reports an exempt workers' compensation status, meaning the business has no employees on payroll.
How do I verify Mackenbach John F's contractor license?
You can verify Mackenbach John F's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=540055.
- License issuedAug 30, 1988
- Bond activeJan 1, 2023
- WC coverage startsJul 29, 2024
- License expiredAug 31, 2026
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