✓

License is active

Source: Contractors State License Board (CSLB)

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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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YUM'S MECHANICAL CO INC

License Number: 583839
State: California
Status: active
Business Type: Corporation
Address: 1649 JERROLD AVENUE SAN FRANCISCO, CA, 94124 San Francisco County
Phone: (415) 642 1818

License Dates

Issued

12/29/1989

Expires

12/31/2027

Expires in 21 months

CSLB Last Updated

01/02/2026

License Classifications

C-4| C10| C20| C43 C-4| C10| C20| C43

Personnel & Officers

JUNG KWOK YUM

Responsible Managing Officer/Chief Executive Officer/President

C10C43C-4HIC

Active

JUNG BRENDA YIM LAN

Officer

Active

JUNG PARK HONG

Officer

Active

JUNG PARKIN

Officer

Active

Contractor Bond

Bonded

Amount: $25,000

Company: AMERICAN CONTRACTORS INDEMNITY COMPANY

Bond #SC674314

Effective: 01/01/2023

Workers' Compensation

Has policy

Policy #ONCC0701356303

Effective: 01/01/2026

Expires: 01/01/2027

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)

otc alterations permit

25 Kearny St, 94108

4th, 5th, and 6th floor; furnish and install 6 heatpumps and 4 coils with associated ductwork and refrigerant line sets.

$222,800

2025-01-21

complete

otc alterations permit

701 03rd St, 94107

install type ii (2) condensate hood, exhaust fan and make-up air fan, ref pa20190013240.

$14,600

2021-12-23

complete

otc alterations permit

728 Pacific Av, 94133

unit #201: ductwork, duct smoke detector, and registers to connect to extg fcu-201 and fcu-209. ref app#201409035287. n/a for maher.

$23,800

2017-01-24

complete

otc alterations permit

2501 Mariposa St, 94110

cut open at the side of hood for exhaust. 16ga gsm 9"x7" from hood to (e) 24"x7" exhaust duct maher na

$4,180

2016-07-05

complete

otc alterations permit

1450 Noriega St, 94122

install 3 new csd2, hepa filter, led indicator, speed contrl, interlock with rtu-2. install one exh2 and connect to extg duct. relocate one crr and connect to extg duct. replace extg motor with 1/2 hp

$16,800

2015-01-22

complete

otc alterations permit

649 Jackson St, 94133

replace 2 rooftop hvac units

$18,600

2013-10-22

complete

otc alterations permit

2065 Oakdale Av, 94124

one rooftop electric package unit. duct work, difusers and thermastat control. ref app#2013.0509.6571

$30,000

2013-07-15

issued

otc alterations permit

1601 Lane St, 94124

1 kitchen exhaust fan and duct (1) make up air unit and duct. 1 fan coil unit and duct. 1 fan coil/heat pump system and duct. 1 bathroom exhaust fan and duct. 1 aoutside air fan and duct

$68,000

2013-04-16

complete

otc alterations permit

555 19th St, 94107

four furnaces and ductwork in basement to supply air to 1st fl. 1st fl: 4 bathrm exhaust d=fans and duct work,. 2nd fl: 2 bathrm exhaust fans and ductwork. 3rd fl: 2 bathroom exhaust fans &duct work.r

$100,000

2011-03-22

complete

otc alterations permit

943 Howard St, 94103

replace rooftop gas pack unit with new (5 ton) & (2 ton). new split system cooling system fur server room (1 ton). replace all ductwork and diffusers with new. restroom exhaust fans to be installed. r

$40,000

2009-01-28

issued

Showing 10 of 27 permits

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