Workers’ comp insurance cost for roofers in California

Published 2026-06-11 · by Brokly

Direct answer: California roofing contractors pay a filed workers’-comp manual rate of $15.68 per $100 of payroll (2024 filed rate) — the 7th-highest of 51 US jurisdictions. Modeled on real payrolls, most <5-employee roofing contractors land around $9.1k–$36k/yr, before experience mods and schedule credits.

What do California roofing contractors pay for workers’ comp?

Modeled annual premium across the real size distribution of CA roofing contractors

bar height = how many roofing contractors are that size · figures = modeled annual cost

typical · most CA roofing contractors
<5 emp
$15k/yr
5–9 emp
$55k/yr
10–19 emp
$140k/yr
20–49 emp
$340k/yr
50–99 emp
$900k/yr
100–249 emp
$2M/yr
SMALLER
MID-SIZE
LARGER
A <5-employee CA roofing company: modeled $9.1k–$36k/yr in workers’-comp premium (that band’s own average wage, before experience mods and schedule credits). Bar heights show how many of the 2,926 CA roofing contractors fall in each size band.

Cohort: size distribution of 2,926 CA roofing contractors (Census CBP 2023); premiums modeled from one filed rate ($15.68/$100 payroll, 2024). Bands shown cover 2,922 of 2,926 establishments (99.9%) 4 establishments in larger, very small-count, or data-suppressed size bands are not shown. 2023 payroll dollars, not inflation-adjusted. Illustrative benchmark — not a quote or coverage recommendation.

Filed manual rate (CA)
$15.68 / $100 payroll
as of 2024
Typical <5-employee roofing company (63% of CA)
$9.1k–$36k / yr modeled
as of 2024 · CBP 2023

Sources: Oregon DCBS workers' compensation premium rate ranking study, June 2025 (calendar-year 2024 rates) (as of calendar year 2024, retrieved 2026-06-04) · US Census County Business Patterns 2023, state file (Roofing contractors (NAICS 238160)) (as of 2023, retrieved 2026-06-05)

How does California compare to nearby ranks?

Calculated manual rates, $ per $100 payroll, NCCI class 5551 (Roofing — All Kinds), 2024. See all 51 jurisdictions →

RankStateRate / $100 payroll
3Connecticut$18.34
4Hawaii$18.02
5Wisconsin$17.81
6South Carolina$17.19
7California$15.68
8Missouri$15.16
9Vermont$15.04
10Rhode Island$14.86
11Oklahoma$13.96

Sources: Oregon DCBS workers' compensation premium rate ranking study, June 2025 (calendar-year 2024 rates) (as of calendar year 2024, retrieved 2026-06-04)

Frequently asked questions

What does workers' comp cost roofing contractors in California?

Modeled from the 2024 filed manual rate of $15.68 per $100 of payroll: a <5-employee roofing company lands around $9.1k–$36k per year before experience mods and schedule credits.

What drives the rate up or down?

Three levers: payroll (the exposure base), claims history (the experience modifier), and schedule credits/debits the insurer applies. Roofing work is NCCI class 5551 (Roofing — All Kinds) — one classification covers roofing of every kind, residential and commercial alike.

Roofers in nearby-ranked states: Missouri ($15.16) · South Carolina ($17.19) · Wisconsin ($17.81) · Oklahoma ($13.96)

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Illustrative benchmark — not a quote or coverage recommendation. Figures are modeled from public filings and Census data for 2,926 California roofing contractors; your premium depends on your payroll, claims history, and carrier.