WCIRB Class 5551 (Roofing) Explained
Quick Answer
WCIRB Class 5551 — Roofing covers California contractors installing, repairing, or replacing roofs. It carries some of the highest WC rates in the state: $16–$28 per $100 of payroll depending on residential vs commercial mix and carrier. The high rates reflect fall-injury frequency and severity. Call (858) 925-9555 — we shop specialty roofing carriers.
What Class 5551 Includes
- Residential roofing (highest end of the rate range)
- Commercial flat and low-slope roofing (slightly lower)
- Roof tear-off and replacement
- Roof repair
- Skylight and roof penetration work integrated with roofing
What's NOT in 5551
- Solar installation only (often Class 7228 or 5190)
- Structural roof framing (Class 5645 — carpentry)
- Roof access for HVAC equipment placement (different classes)
Why Rates Are So High
- Falls are the leading cause of construction fatalities in California
- Even non-fatal falls cause long-term lost-time claims
- Reserves stay open for years, hurting X-Mods
How to Lower Your 5551 Rate
- Lower your X-Mod (clean claims, fast claim closure)
- Document a written fall-protection safety program (5–15% credit available)
- Separate clerical payroll into Class 8810
- Consider an officer exclusion if eligible
- Shop specialty roofing carriers — many standard markets decline roofing
Class 5551 rates too high? Call (858) 925-9555 — we shop specialty markets.
Related: C-39 Roofing License · Workers' Comp Cost
Call (858) 925-9555 — specialty roofing markets, real rates.
Need a Quote?
Get instant quotes from 100+ carriers for all your contractor insurance needs.
Get QuoteOr call (858) 925-9555 for immediate assistance
Related Articles
WCIRB Class 5183 (Plumbing) Explained
California workers' comp Class 5183 covers plumbing. Rates $4–$9.50/$100. How it works and how to lower yours. (858) 925-9555.
WCIRB Class 5190 (Electrical) Explained
California workers' comp Class 5190 covers electrical wiring. Rates $2.50–$7/$100. Low-voltage techs qualify for cheaper 5191. (858) 925-9555.
How Much Does Workers Comp Cost for California Contractors in 2026?
What California contractors actually pay for workers' comp in 2026: real rates by class code (5551, 5183, 5190, 5190…). Call (858) 925-9555.
California Workers Comp Class Codes - Complete Guide
California uses WCIRB workers' comp class codes to set rates. Get the full list and what each one costs. (858) 925-9555.