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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1 BACKFLOW PLUMBING
DBA: CAT BUILDERS INC
Owner: CAT BUILDERS INC DBA 1 BACKFLOW PLUMBING
- License Number
- 807692
- State
- California
- Status
- active WC Susp Pending
- Business Type
- Corporation
- Address
- 5635 ANZA ST 3 SAN FRANCISCO, CA, 94121 San Francisco County
- Phone
- (415) 913 8941
License Dates
Issued
05/06/2002
Expires
05/31/2026
Expires in 7 weeks
CSLB Last Updated
03/16/2026
License Classifications
Personnel & Officers
COOK JOHN THOMAS
Responsible Managing Officer/Chief Executive Officer/President
Contractor Bond
Amount: $25,000
Company: HUDSON INSURANCE COMPANY
Bond #30108638
Effective: 01/01/2023
Workers' Compensation
Carrier: TECHNOLOGY INSURANCE COMPANY INC
Policy #TWC4240391
Effective: 03/16/2025
Expires: 03/16/2026
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
158 Funston Av, 94118
remodel master bath, replace shower, bath tub & sinks (no structural)
$30,000
2019-09-13
otc alterations permit
1141 De Haro St, 94107
replace existing wood deck at the backyard in kind, no addition and match (e)
$6,000
2013-06-04
otc alterations permit
1236 Rhode Island St, 94107
unit #12 - replace kitchen cabinets, countertops, sink & floors, repalce bathroom vanity & sink, bathtub, floor. replace master bath vanity & sink, shower & floor. comply with cec 150(k) for lighting
$30,000
2013-01-17
otc alterations permit
649 Cayuga Av, 94112
fire damage repair.replace 12 ft length of non load bearing wall at 1st floor.legalize & remodel 1st floor rooms,replace 1st floor gyp board,walls adn ceiling.replace rear stair&landing in kind. repla
$50,000
2012-01-12
otc alterations permit
754 27th Av, 94121
revision to pa# 2010.12.31.7725 to legalize shower and water closet at 1st floor. new sink in garage.
$5,000
2011-10-27
otc alterations permit
758 27th Av, 94121
revision to application #201012096432: remodel second floor master bedroom bath. remodel second floor rear room hall. cap 20 feet length of left side property line foundation.
$10,000
2011-03-08
otc alterations permit
64 Norton St, 94112
replace approx. 20sq.ft. of siding @ west wall property line replace finishes as needed, one bathroom & bedroom due to smoke and water damage.
$70,000
2011-02-23
otc alterations permit
64 Norton St, 94112
re-roofing only.
$4,000
2011-02-23
otc alterations permit
758 27th Av, 94121
reroofing
$9,850
2011-02-22
otc alterations permit
754 27th Av, 94121
fire damage repair in kind. replace rear stairs.replace 2 posts and beam in garage. replace 12' x 10' 2nd floor framing. replace 8 rear windows, replace damaged gyp.bd. replace bathroom and kitchen fi
$200,000
2011-01-11
Showing 10 of 14 permits
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