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ROCKRIDGE BUILDERS

License #324919OaklandSole OwnerLicensed since September 10, 1976

License

Status: CLEAR
First issued: September 10, 1976
Expires: July 31, 2028
Entity: Sole Owner
Address of record: 1730 TENTH AVENUE, Oakland, CA 94606
Phone of record: (510) 535 1682

Contractor bond

Surety: AMERICAN CONTRACTORS INDEMNITY COMPANY
Bond number: SC6050964
Amount: $25,000
Effective: January 1, 2023

Workers’ compensation

Carrier: EVEREST PREMIER INSURANCE COMPANY
Policy number: 7600021389261
Effective: March 10, 2026
Expires: March 10, 2027

Are they licensed for your job?

A California contractor may only contract for work their classification covers. Pick the job and this reads the license on file against it.

What are you hiring them for?

Licensed to perform

B General Building Contractor

A contractor may only contract for work within their classifications. See all 792 licensed general building contractors in Oakland.

People on this license

Name	Title	Since	Through
HINKAMP WILLIAM PAUL	Sole Owner	September 10, 1976	Current
HINKAMP WILLIAM PAUL	Sole Owner	September 18, 1981	May 28, 1982
HINKAMP WILLIAM PAUL	Sole Owner	November 30, 2000	January 1, 2004

Verified status badge

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Source: California Contractors State License Board public records. Coverage lapse is evaluated against today’s date; all other fields reflect the latest weekly CSLB file. Confirm at the CSLB’s official record before signing a contract.