Olsson Plumbing Company
Olsson Plumbing Company is an active, licensed contractor operating in Danville, CA. Operating under a California contractor license established in 1983. They hold 5 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 3 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
- 443706
- 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-36: Plumbing Contractor, C-42: Sanitation System Contractor, C-43: Sheet Metal Contractor
- Tenure
- Licensed since 1983 (42 years)
- Issue Date
- July 27, 1983
- Expiration Date
- July 31, 2026
- Disciplinary Record
- No Disciplinary Actions
Bond & Insurance
- Contractor Bond
- Bonded ($25000) – HUDSON INSURANCE COMPANY
- Workers’ Compensation
- Workers' Compensation Insurance – HARTFORD CASUALTY INSURANCE COMPANY
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
- 806 LUZ COURT
- City
- Danville, CA
- ZIP Code
- 94526
- Phone
- (510) 522-2442
Need Coverage?
Quote and purchase a California contractor license bond online. Create a free account to compare rates and print your bond certificate instantly.
Get Started at Colonial Surety →
Free account required for rate quotes.
Get workers’ comp, general liability, or a bundled policy quoted online in minutes.
Get a Contractor Insurance Quote →
Via Ergo Next Insurance. No obligation.
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-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-43: Sheet Metal Contractor
Selects, cuts, shapes, fabricates, and installs sheet metal including cornices, flashings, gutters, leaders, pans, kitchen equipment, duct work with insulation, patented chimneys, metal flues, and metal roofing systems.
Licensing Resources
Workers' comp requirements for California contractors
Deposit and payment rules for California contracts
Home improvement contract requirements
Need a Contractor for Your Project?
Get free quotes from licensed, pre-screened contractors in your area. Compare ratings, reviews, and pricing before you hire.
Starting a Contracting Business in California?
Most California contractors operate as an LLC or sole proprietorship with a DBA. Forming your business entity is a separate step from obtaining your CSLB license.
Verify on Official CSLB Website
License data sourced from the California Contractors State License Board. Last data update: April 05, 2026.