Plumbing contractors in Simi Valley by the numbers
Simi Valley is home to 124 licensed plumbing contractors (C-36, CSLB September 2026) — #17 in California, about 9% of the 1,306 contractor licenses based here.
Nearby in Ventura County: Ventura (89), Oxnard (78), Camarillo (54), Thousand Oaks (50).
29% of Simi Valley's C-36 licensees hold more than one classification — most often B General Building Contractor (15%), C-10 Electrical Contractor (5%). Extra classifications can change how carriers rate your general liability and workers' comp, so list every license class when you quote.
Business structure: 46% sole owners, 45% corporations, 6% LLCs; median time licensed 16.3 years.
What carriers look at
For plumbers, underwriters focus first on: trenching near utilities; and service vans with tools, parts and drain equipment. See the full coverage guide for plumbing contractors for limits, endorsements and workers' comp rules.
Get a quote
Asena Capital Insurance Services compares multiple markets for Simi Valley contractors and requests additional insured endorsements for you when a contract calls for them. Call (858) 925-9555 or request a quote — only your name, phone and email are required. CA License #6008596.
Frequently asked questions
How many licensed plumbing contractors are in Simi Valley?
124 active C-36 licenses have a business address in Simi Valley (CSLB, September 2026); 51% carry workers' comp and 47% are filed exempt.
Does GL cover water damage from my plumbing work?
Property damage your completed work causes is typically a completed-operations question. Some plumbing policies limit water damage or mold, so we compare that wording line by line.