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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A C HEATING & COOLING SERVICE INC
- License Number
- 928075
- State
- California
- Status
- active
- Business Type
- Corporation
- Address
- 3500 CLAYTON ROAD SUITE 101 CONCORD, CA, 94519 Contra Costa County
- Phone
- (925) 521 1807
License Dates
Issued
01/29/2009
Expires
01/31/2027
Expires in 10 months
CSLB Last Updated
02/10/2026
License Classifications
Personnel & Officers
VALDERRAMA RAUL FERNANDO
Responsible Managing Officer/Chief Executive Officer/President
Contractor Bond
Amount: $25,000
Company: ATLANTIC SPECIALTY INSURANCE COMPANY
Bond #800234161
Effective: 01/19/2026
Workers' Compensation
Carrier: NORGUARD INSURANCE COMPANY
Policy #ACWC733274
Effective: 02/16/2026
Expires: 02/16/2027
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
173 Parker Av, 94118
replace one fau, same location. install new supply plenum and ductwork (3) registers, less than 25ft
$25,600
2024-02-07
otc alterations permit
1509 Cabrillo St, 94118
furnace and ductwork replacement. 80% afue / 70k btu. same location in garage, less than 25 ft of new ductwork
$17,500
2023-06-06
otc alterations permit
158 Inverness Dr, 94132
replace two furnaces and duct work only. less than <40' (n) ductwork.
$16,500
2021-06-01
otc alterations permit
2940 Laguna St, 94123
install package unit
$15,500
2016-10-03
otc alterations permit
152 Avila St, 94123
replace heater ducts, no structural changes.
$500
2013-02-22
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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