Abco Mechanical Contractors Inc
Abco Mechanical Contractors Inc is an active, licensed contractor operating in San Francisco, CA. Operating under a California contractor license established in 1962. They hold 3 license classifications including C-4 Boiler, Hot-Water Heating and Steam Fitting Contractor, C-20 Warm-Air Heating, Ventilating and Air-Conditioning (HVAC) Contractor, and 1 others. They currently maintain an active contractor bond and workers' compensation insurance. No disciplinary actions have been recorded against this license.
License Information
- License Number
- 209064
- Status
- Active
- Classification(s)
- C-4: Boiler, Hot-Water Heating and Steam Fitting Contractor, C-20: Warm-Air Heating, Ventilating and Air-Conditioning (HVAC) Contractor, C-38: Refrigeration Contractor
- Tenure
- Licensed since 1962 (63 years)
- Issue Date
- May 21, 1962
- Expiration Date
- December 31, 2027
- Disciplinary Record
- No Disciplinary Actions
Bond & Insurance
- Contractor Bond
- Bonded ($25000) – HUDSON INSURANCE COMPANY
- Workers’ Compensation
- Workers' Compensation Insurance – INSURANCE COMPANY OF THE WEST
A contractor’s bond protects consumers up to the bond amount if the contractor fails to fulfill contractual obligations or violates CSLB regulations.
Workers’ compensation insurance protects homeowners from liability if a contractor’s employee is injured on the job site.
Location
- Address
- 475 BARNEVELD AVENUE
- City
- San Francisco, CA
- ZIP Code
- 94124
- Phone
- (415) 648-7135
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About These License Types
C-4: Boiler, Hot-Water Heating and Steam Fitting Contractor
Installs, services, and repairs power boiler installations, hot-water heating systems and steam fitting, including fire-tube and water-tube boilers, piping, fittings, valves, gauges, pumps, radiators, fuel oil tanks, chimneys, flues, and associated solar heating equipment.
Not authorized: Does not include warm-air heating or air conditioning systems (see C-20).
C-20: Warm-Air Heating, Ventilating and Air-Conditioning (HVAC) Contractor
Fabricates, installs, maintains, services, and repairs warm-air heating systems and water heating heat pumps, ventilating systems, air-conditioning systems, and the ducts, registers, flues, humidity and thermostatic controls and air filters in connection with these systems. Includes solar-powered HVAC systems.
Not authorized: Does not include boiler or steam heating (see C-4) or refrigeration below 50F (see C-38).
C-38: Refrigeration Contractor
Constructs, fabricates, erects, installs, maintains, services, and repairs refrigerators, refrigerated rooms, insulated spaces, temperature insulation, air-conditioning units, ducts, blowers, and thermostatic controls for temperatures below 50 degrees Fahrenheit (10 degrees Celsius).
Not authorized: Temperatures above 50F fall under C-20 HVAC.
Licensing Resources
Workers' comp requirements for California contractors
Deposit and payment rules for California contracts
Home improvement contract requirements
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License data sourced from the California Contractors State License Board. Last data update: April 05, 2026.