License is active
Source: Contractors State License Board (CSLB)
Licensed
Current and in good standing
Bonded
$25,000 surety bond
WC exempt
No employees — exempt from requirement
Clean record
No complaints or disciplinary actions
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CENTRAL MECHANICAL CO
- License Number
- 482746
- State
- California
- Status
- active
- Business Type
- Sole Owner
- Address
- 1881 37TH AVENUE SAN FRANCISCO, CA, 94122 San Francisco County
- Phone
- (415) 290 0502
License Dates
Issued
11/15/1985
Expires
11/30/2027
Expires in 20 months
CSLB Last Updated
10/06/2025
License Classifications
Personnel & Officers
CHENG JERRY YING-CHAU
Sole Owner
Contractor Bond
Amount: $25,000
Company: AMERICAN CONTRACTORS INDEMNITY COMPANY
Bond #100366613
Effective: 01/01/2023
Workers' Compensation
Owner/officer with no employees — exempt from WC requirement
CSLB designation: Exempt
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
890 Alabama St, 94110
installation of 8'0 hood and make up air systems. no fire systems - by others. mechanical permit only. ref app#201205221000
$32,702
2013-11-18
otc alterations permit
291 03rd Av, 94118
install bakery hood type ii make up air title 24 ventilation. mech permit only. ref bldg app 201204097899.
$12,000
2012-06-15
otc alterations permit
2099 Folsom St, 94110
replace extg kitchen hood (type 1). install a new 7'0 hood and make up air systems. no ansul, fire system by others. mechanical permit only. ref. app#201201182475 for kitchen remodeling.
$20,000
2012-03-08
otc alterations permit
974 Valencia St, 94110
provide type 1 kitchen hood system. dishwasher hood. makeup air. hood permit only. mechanical fire ansul by other separate permit. reference to bldg app#201008189052
$26,000
2011-08-03
otc alterations permit
1475 Polk St, 94109
provide mechanical ventilation & title 24 for lighting & ventilation for (e) hvac system. mechanical permit only. ref pa# 2011-0202-9502 & 2011-0321-2454.
$3,800
2011-06-02
otc alterations permit
1465 Carroll Av, 94124
mechanical permit only. hood system type 2 for oven. 9e) bldg. permit#201003269095 & 201004190479.
$12,000
2010-04-23
otc alterations permit
239 Powell St, 94102
install a new 8'-0 hood systems w/make up air. mechanical permit only. bldg pa #201001054182.
$15,000
2010-01-13
otc alterations permit
385 West Portal Av, 94127
provide duct work, exhaust & make up air fans to (e) 12' hood. mechanical work only, (e) restaurant on 1st floor
$10,000
2009-09-11
otc alterations permit
2164 Polk St, 94109
provide type ii hood systems & make up air for bakery oven, mechanical permit only, ref. to building pa #200807176980.
$12,000
2008-08-04
otc alterations permit
2170 Market St, 94114
replace (e) hood (10'-0") to 11'-0" hood system & make up air system. mechanical only. hood fire system by others.
$28,000
2008-06-04
Showing 10 of 38 permits
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