License is active
Source: Contractors State License Board (CSLB)
Licensed
Current and in good standing
Bonded
$25,000 surety bond
Insured
Workers' comp coverage on file
Clean record
No complaints or disciplinary actions
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ROCKRIDGE BUILDERS
- License Number
- 324919
- State
- California
- Status
- active
- Business Type
- Sole Owner
- Address
- 1730 TENTH AVENUE OAKLAND, CA, 94606 Alameda County
- Phone
- (510) 535 1682
License Dates
Issued
09/10/1976
Expires
07/31/2026
Expires in 4 months — verify renewal before long contracts
CSLB Last Updated
03/13/2026
License Classifications
Personnel & Officers
HINKAMP WILLIAM PAUL
Sole Owner
Contractor Bond
Amount: $25,000
Company: AMERICAN CONTRACTORS INDEMNITY COMPANY
Bond #SC6050964
Effective: 01/01/2023
Workers' Compensation
Carrier: EVEREST PREMIER INSURANCE COMPANY
Policy #7600021389261
Effective: 03/10/2026
Expires: 03/10/2027
CSLB designation: Workers' Compensation Insurance
Complaints & Disciplinary History
This reflects CSLB's bulk license data. For detailed complaint history including pending investigations, check the official CSLB record.
Building Permits
Source: LA City Open Data (LADBS)
otc alterations permit
2519 Harrison St, 94110
to obtain final inspection for work approved under pa#201803194057 & 201803083162. all work is complete.
$1
2023-06-13
otc alterations permit
2519 Harrison St, 94110
to obtain final inspection for work approved under pa#201910083809 & 201807114257. all work is complete.
$1
2023-06-13
otc alterations permit
2519 Harrison St, 94110
new roof deck, skylights, and stairs from 3rd floor to the roof.
$50,000
2021-06-16
otc alterations permit
2519 Harrison St, 94110
resubmiting structural drawing rev only: new rear patio (including retaining wall),(n) reinf. conc.gr bm at line 6-5;slab-on-grade infills and all new structural framing & lateral force resisting elem
$1
2021-06-16
additions alterations or repairs
2519 Harrison St, 94110
to abate the notice of violation #32018-001519enf and dbi complaints #201835291 and #201837021 for work done out of scope under bpas #201709279764 and #20180118782. the proposed project includes a one
$625,000
2019-08-08
otc alterations permit
725 Grant Av, 94108
revision to 201705035528: installation of 8 panel sliding door system at banquet dining room. structural work to include new beams and post to support doors. maher na
$45,000
2018-01-26
Verify this record on the official state licensing board
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California licensing guide →Data sourced from official state licensing board records. Always confirm critical information directly with the state board.
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