Joseph C Sand Co Inc
Joseph C Sand Co Inc is an active, licensed contractor operating in San Francisco, CA. Operating under a California contractor license established in 1972. They hold 4 license classifications including C-4 Boiler, Hot-Water Heating and Steam Fitting Contractor, C-36 Plumbing Contractor, and 2 others. They currently maintain an active contractor bond and a workers' compensation exemption. No disciplinary actions have been recorded against this license.
License Information
- License Number
- 280333
- Status
- Active
- Classification(s)
- C-4: Boiler, Hot-Water Heating and Steam Fitting Contractor, C-36: Plumbing Contractor, C-42: Sanitation System Contractor, C-60: Welding Contractor
- Tenure
- Licensed since 1972 (53 years)
- Issue Date
- November 27, 1972
- Expiration Date
- January 31, 2027
- Disciplinary Record
- No Disciplinary Actions
Bond & Insurance
- Contractor Bond
- Bonded ($25000) – AMERICAN CONTRACTORS INDEMNITY COMPANY
- Workers’ Compensation
- Exempt
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
- 292 CHURCH STREET
- City
- San Francisco, CA
- ZIP Code
- 94114
- Phone
- (415) 640-4160
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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-36: Plumbing Contractor
Provides means for a supply of safe water and proper disposal of fluid waste, including piping, storage tanks, venting, gas appliances and connections, water and gas piping, water heating equipment including solar, and health and safety devices such as backflow preventers and gas earthquake valves.
Not authorized: Does not include forced warm-air units (see C-20).
C-42: Sanitation System Contractor
Fabricates and installs cesspools, septic tanks, storm drains, and other sewage disposal and drain structures, including cast iron, steel, concrete, and vitreous pipe.
C-60: Welding Contractor
Causes metal to become permanently attached, joined, and fabricated by the use of gases and electrical energy creating sufficient heat.
Licensing Resources
What does a workers' comp exemption mean?
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.