Sierra Commercial Plumbing Inc
Sierra Commercial Plumbing Inc is an active, licensed contractor operating in Simi Valley, CA. Operating under a California contractor license established in 1995. They hold 5 license classifications including C-4 Boiler, Hot-Water Heating and Steam Fitting Contractor, C-36 Plumbing 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
- 710326
- Status
- Active
- Classification(s)
- C-4: Boiler, Hot-Water Heating and Steam Fitting Contractor, C-36: Plumbing Contractor, D12: Synthetic Products, D64: Non-Specialized, HAZ: Hazardous Substance Removal Certification
- Tenure
- Licensed since 1995 (30 years)
- Issue Date
- July 27, 1995
- Expiration Date
- June 30, 2027
- Disciplinary Record
- No Disciplinary Actions
Bond & Insurance
- Contractor Bond
- Bonded ($25000) – AMERICAN CONTRACTORS INDEMNITY 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
- 4645 INDUSTRIAL STUNIT 2C
- City
- Simi Valley, CA
- ZIP Code
- 93063
- Phone
- (805) 527-9117
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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).
D12: Synthetic Products
Installs synthetic products and materials in construction.
D64: Non-Specialized
A general limited specialty designation for work not covered by any other D subcategory.
HAZ: Hazardous Substance Removal Certification
An add-on certification for removal of hazardous substances. Only issued to contractors holding A, B, C-12, C-21, C-36, C-57, or C-61/D-40 licenses.
Not authorized: Restricted to contractors holding qualifying base licenses.
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.