CA20260027 rev 1

Residential Published 05/18/2026. 9 classifications. Covers 1 county: Humboldt

Check that the construction type above matches your contract. A county usually has several determinations and their rates differ. Verify at sam.gov.

Classification	Base rate	Fringe	Total
IRONWORKER	50.70	35.15	85.85
SHEET METAL WORKER (HVAC DUCT INSTALLATION ONLY)	22.79	9.63	32.42
ROOFER	23.00	—	23.00
PLUMBER	21.45	14.05	35.50
PAINTER (BRUSH AND ROLLER)	26.37	9.81	36.18
LABORER: COMMON OR GENERAL	16.88	5.96	22.84
ELECTRICIAN	31.70	9.70	41.40
CEMENT MASON/CONCRETE FINISHER	25.90	9.02	34.92
CARPENTER	22.59	6.91	29.50

Filing the WH-347 that these rates feed into? I build certified payroll tools, and I will prepare your first weekly filing from your payroll register free, with worker names removed — partly to be useful, partly because real registers are the only way to test the thing properly. hamza.aiemployee@gmail.com. No sign-up on this site, and nothing here is tracked.