Class Code 9507
Sign Painting Or Lettering
Class Code 9507 covers sign painting and hand lettering operations in California, including hand-painted storefront signs, murals, stenciling and lettering work. The September 1, 2026 approved pure premium rate is $3.261 per $100 of payroll — a baseline employers should understand when budgeting workers' comp.
What Class Code 9507 Covers
This classification applies to employees who prepare, layout and apply lettering and decorative paint to signs and surfaces by hand or with small tools. Typical operations include hand-brush painting, airbrush and spray touch-up for sign faces, stenciling, gilding/gold-leaf application, surface preparation (sanding, scraping, priming), and application of pre-cut or hand-cut vinyl lettering when performed by sign painters. Work may occur on storefronts, building façades, billboards, interior signs and murals, and occasionally on vehicles when the activity is purely lettering/painting rather than vehicle body repair. Installation of large structural sign frames, electrical sign work, sheet-metal fabrication, and heavy mechanical installation are generally outside this code and are classified differently.
Who It Applies To
- Small sign shops and independent sign painters who do hand lettering and murals
- Commercial sign departments that perform brush, spray touch-up, stenciling or gilding
- Storefront and façade contractors who subcontract hand-lettering or painted signage
- Freelance lettering artists and scenic sign painters working on commercial projects
- Businesses providing vehicle lettering where the work is limited to paint or vinyl lettering (no body repair)
Common Job Duties
- Surface preparation: cleaning, sanding, scraping, and priming sign faces
- Layout and lettering: hand-drawing guides, stenciling, gold‑leafing and hand-brush lettering
- Paint application by brush, roller, airbrush or small spray equipment
- Mixing paints, solvents and clearcoats and reading Safety Data Sheets (SDS)
- Working from ladders, step ladders, temporary scaffolds or lifts to reach sign locations
- Cutting and applying adhesive vinyl lettering and trim when done by sign painters
- Masking and finishing: removing masking, sealing edges, and touch-up work
Common Injury Risks
Understanding the $3.261 Rate
The pure premium rate of $3.261 per $100 of payroll is the WCIRB-approved loss cost reflecting expected claim costs for this work. Insurers and PEOs take that pure premium and apply their own loss cost multipliers, expense loads, and your employer experience modification to produce the final workers' comp premium. Final cost is affected by accurate payroll classification, claims history, safety programs, payroll audits, and whether you participate in deductible or retrospective-rating programs.
Cal/OSHA Compliance Requirements
Sign painters must follow Cal/OSHA rules for hazardous materials and work at height: maintain and use Safety Data Sheets (Hazard Communication), implement respiratory protection programs when exposures exceed limits or when spray operations occur, and follow lead and other toxic‑metal control requirements when older coatings are disturbed. Ladder and scaffold safety standards and fall-protection rules apply to elevated lettering work; employers must provide training, fall protection equipment and documented respiratory and PPE programs when required.
How Key HR Helps Employers Under Class Code 9507
A PEO like Key HR helps employers in Class Code 9507 by ensuring correct payroll classification, administering workers' comp claims, and implementing targeted safety programs (ladder and scaffold training, respiratory protection, SDS management). Key HR also supports return-to-work plans, centralized training and loss-control coaching that reduce frequency and severity of claims and can lower your experience modification over time.
Get a QuoteFrequently Asked Questions
Does vehicle lettering count under Class Code 9507?
If the activity is limited to hand or vinyl lettering and paint graphics without vehicle body repair, it is typically coded to 9507. Full vehicle body work or collision repair is classified differently. Confirm with your insurer or Key HR to ensure accurate classification.
What specific Cal/OSHA programs should sign shops have?
At minimum: a Hazard Communication program with SDS access, respiratory protection program for spray or solvent exposures, PPE policies (eye, gloves), ladder and scaffold safety training, and lead exposure controls when removing old paint. Documented training and fit-testing for respirators are required where respiratory protection is used.
How can I reduce workers' comp costs for sign painting work?
Reduce costs by enforcing ladder/scaffold safety, controlling spray exposures (ventilation or enclosed spray systems), using appropriate PPE, documenting training, managing claims promptly with active return-to-work, and keeping payroll classifications accurate. Key HR can help implement these measures and manage claims to lower your experience mod.
Quick Facts
- Class Code
- 9507
- Classification
- Sign Painting Or Lettering
- Pure Premium Rate
- $3.261 / $100 payroll
- Effective Date
- September 1, 2026
- Source
- WCIRB Approved Filing
Manage Workers' Comp Through a PEO
Key HR provides pay-as-you-go workers' comp for California employers — no large deposits, no audits, better rates.
Get a Quoteor call (800) 922-4133Ready to Simplify Workers' Comp for Class Code 9507?
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