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License is active

Source: Contractors State License Board (CSLB)

Expires in 19 days

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Licensed

Current and in good standing

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Bonded

$25,000 surety bond

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Insured

Workers' comp coverage on file

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Clean record

No complaints or disciplinary actions

California licensing requirements →

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RUBY PLUMBING & ELECTRICAL SUPPLY INC

License Number: 748426
State: California
Status: active
Business Type: Corporation
Address: 1234 GENEVA AVENUE SAN FRANCISCO, CA, 94112 San Francisco County
Phone: (415) 337 9133

License Dates

Issued

04/22/1998

Expires

04/30/2026

Expires in 19 days

CSLB Last Updated

03/20/2026

License Classifications

B| C10| C16| C36 B| C10| C16| C36

Personnel & Officers

CHIA WAI KWONG

Responsible Managing Officer/Chief Executive Officer/President

C36HIC

Active

CHEN TOM HONG| CHEN HONG ZHENG

Responsible Managing Officer

C10

Active

Contractor Bond

Bonded

Amount: $25,000

Company: WESTERN SURETY COMPANY

Bond #67526145

Effective: 10/10/2025

Workers' Compensation

Has policy

Carrier: STATE COMPENSATION INSURANCE FUND

Policy #1517115

Effective: 04/16/1998

Expires: 04/16/2027

CSLB designation: Workers' Compensation Insurance

Complaints & Disciplinary History

No disciplinary actions on file

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)

additions alterations or repairs

720 Arkansas St, 94107

install fire sprinkler nfpa 13.1999.

$6,800

cancelled

additions alterations or repairs

537 Natoma St, 94103

install new fire sprinkler system througout including underground total 220 fire sprinkler heads. new bldg pa #2005.09.01.1813

$65,000

cancelled

otc alterations permit

301 Paris St, 94112

to comply with accesss business entrance 51-16. new powered door operator & push plate button. new hardware. abe # 201911268856.

$10,000

2023-08-24

cancelled

otc alterations permit

742 Cabrillo St, 94118

add (n) entainment & bath on 1/f. relocate laundry,furnace,wh to garage.redesign staircase btwn 1/f & 2/f. remodel kitchen,dining,living on 2/f. redesign bath to powder on 2/f.enlarge master bed,bath,

$200,000

2022-05-02

issued

otc alterations permit

262 Flournoy St, 94112

kitchen & bathrooms remodels on 1/f & 2/f. all work in-kind. no change to layout or modifications of walls. replace 2 new water heaters. upgrade electrical panel to 200amp . 2 new gas meters. to compl

$80,000

2021-10-07

issued

otc alterations permit

1234 Geneva Av, 94112

1234-1236 geneva ave: fire damange repair to 2/f only. repir to include celing members, wall members, elecvtrical wiring, plumbing and other fixtures including building structural as necessery. revert

$275,000

2021-07-19

complete

otc alterations permit

657 36th Av, 94121

adu, convert extg garage and study room spaces to 1 new accessory dwelling unit with 2 bedrooms, 2 bathrooms, 1 living room and 1 kitchen at ground floor.

$89,000

2019-05-08

complete

otc alterations permit

380 07th St, 94103

obtain electrical permits for lighting for approved bldg permit #201708306440. n/a for maher

$22,350

2018-04-09

issued

otc alterations permit

790 35th Av, 94121

reroofing. ref pa# 201709016722 & 201711174307

$4,500

2018-03-13

complete

otc alterations permit

790 35th Av, 94121

remodel on all three floors. replace all existing windows. relocate water heater and furance to garage area on 1st floor. add new exterior deck on the 1st floor.

$100,000

2018-01-03

complete

Showing 10 of 177 permits

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Data sourced from official state licensing board records. Always confirm critical information directly with the state board.