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California construction inspector or materials tester prevailing wage, county by county
A construction inspector or materials tester's prevailing wage on California public works runs from $101.99 an hour in Yuba County to $104.53 in Imperial County, wages and employer payments together. The median county is $101.99.
Construction Inspector & Materials Tester rate in each California county, A to Z
| County | Base wage | Fringe benefits | Total rate | Issued | Source |
|---|---|---|---|---|---|
Alameda CountyGroup 1 · Northern California | $65.89 | $36.10 | $101.99 | Aug 22, 2026 | NC-63-3-9-2026-1 |
Alpine CountyGroup 1 · Northern California | $65.89 | $36.10 | $101.99 | Aug 22, 2026 | NC-63-3-9-2026-1 |
Amador CountyGroup 1 · Northern California | $65.89 | $36.10 | $101.99 | Aug 22, 2026 | NC-63-3-9-2026-1 |
Butte CountyGroup 1 · Northern California | $65.89 | $36.10 | $101.99 | Aug 22, 2026 | NC-63-3-9-2026-1 |
Calaveras CountyGroup 1 · Northern California | $65.89 | $36.10 | $101.99 | Aug 22, 2026 | NC-63-3-9-2026-1 |
Colusa CountyGroup 1 · Northern California | $65.89 | $36.10 | $101.99 | Aug 22, 2026 | NC-63-3-9-2026-1 |
Contra Costa CountyGroup 1 · Northern California | $65.89 | $36.10 | $101.99 | Aug 22, 2026 | NC-63-3-9-2026-1 |
Del Norte CountyGroup 1 · Northern California | $65.89 | $36.10 | $101.99 | Aug 22, 2026 | NC-63-3-9-2026-1 |
El Dorado CountyGroup 1 · Northern California | $65.89 | $36.10 | $101.99 | Aug 22, 2026 | NC-63-3-9-2026-1 |
Fresno CountyGroup 1 · Northern California | $65.89 | $36.10 | $101.99 | Aug 22, 2026 | NC-63-3-9-2026-1 |
Glenn CountyGroup 1 · Northern California | $65.89 | $36.10 | $101.99 | Aug 22, 2026 | NC-63-3-9-2026-1 |
Humboldt CountyGroup 1 · Northern California | $65.89 | $36.10 | $101.99 | Aug 22, 2026 | NC-63-3-9-2026-1 |
Imperial CountyGroup 1 · Southern California | $65.18 | $39.35 | $104.53 | Aug 22, 2026 | SC-23-63-2-2026-2D |
Inyo CountyGroup 1 · Southern California | $65.18 | $39.35 | $104.53 | Aug 22, 2026 | SC-23-63-2-2026-2D |
Kern CountyGroup 1 · Southern California | $65.18 | $39.35 | $104.53 | Aug 22, 2026 | SC-23-63-2-2026-2D |
Kings CountyGroup 1 · Northern California | $65.89 | $36.10 | $101.99 | Aug 22, 2026 | NC-63-3-9-2026-1 |
Lake CountyGroup 1 · Northern California | $65.89 | $36.10 | $101.99 | Aug 22, 2026 | NC-63-3-9-2026-1 |
Lassen CountyGroup 1 · Northern California | $65.89 | $36.10 | $101.99 | Aug 22, 2026 | NC-63-3-9-2026-1 |
Los Angeles CountyGroup 1 · Southern California | $65.18 | $39.35 | $104.53 | Aug 22, 2026 | SC-23-63-2-2026-2D |
Madera CountyGroup 1 · Northern California | $65.89 | $36.10 | $101.99 | Aug 22, 2026 | NC-63-3-9-2026-1 |
Marin CountyGroup 1 · Northern California | $65.89 | $36.10 | $101.99 | Aug 22, 2026 | NC-63-3-9-2026-1 |
Mariposa CountyGroup 1 · Northern California | $65.89 | $36.10 | $101.99 | Aug 22, 2026 | NC-63-3-9-2026-1 |
Mendocino CountyGroup 1 · Northern California | $65.89 | $36.10 | $101.99 | Aug 22, 2026 | NC-63-3-9-2026-1 |
Merced CountyGroup 1 · Northern California | $65.89 | $36.10 | $101.99 | Aug 22, 2026 | NC-63-3-9-2026-1 |
Modoc CountyGroup 1 · Northern California | $65.89 | $36.10 | $101.99 | Aug 22, 2026 | NC-63-3-9-2026-1 |
Mono CountyGroup 1 · Southern California | $65.18 | $39.35 | $104.53 | Aug 22, 2026 | SC-23-63-2-2026-2D |
Monterey CountyGroup 1 · Northern California | $65.89 | $36.10 | $101.99 | Aug 22, 2026 | NC-63-3-9-2026-1 |
Napa CountyGroup 1 · Northern California | $65.89 | $36.10 | $101.99 | Aug 22, 2026 | NC-63-3-9-2026-1 |
Nevada CountyGroup 1 · Northern California | $65.89 | $36.10 | $101.99 | Aug 22, 2026 | NC-63-3-9-2026-1 |
Orange CountyGroup 1 · Southern California | $65.18 | $39.35 | $104.53 | Aug 22, 2026 | SC-23-63-2-2026-2D |
Placer CountyGroup 1 · Northern California | $65.89 | $36.10 | $101.99 | Aug 22, 2026 | NC-63-3-9-2026-1 |
Plumas CountyGroup 1 · Northern California | $65.89 | $36.10 | $101.99 | Aug 22, 2026 | NC-63-3-9-2026-1 |
Riverside CountyGroup 1 · Southern California | $65.18 | $39.35 | $104.53 | Aug 22, 2026 | SC-23-63-2-2026-2D |
Sacramento CountyGroup 1 · Northern California | $65.89 | $36.10 | $101.99 | Aug 22, 2026 | NC-63-3-9-2026-1 |
San Benito CountyGroup 1 · Northern California | $65.89 | $36.10 | $101.99 | Aug 22, 2026 | NC-63-3-9-2026-1 |
San Bernardino CountyGroup 1 · Southern California | $65.18 | $39.35 | $104.53 | Aug 22, 2026 | SC-23-63-2-2026-2D |
San Diego CountyGroup 1 | $63.18 | $41.31 | $104.49 | Aug 22, 2026 | SD-23-63-3-2026-2D |
San Francisco CountyGroup 1 · Northern California | $65.89 | $36.10 | $101.99 | Aug 22, 2026 | NC-63-3-9-2026-1 |
San Joaquin CountyGroup 1 · Northern California | $65.89 | $36.10 | $101.99 | Aug 22, 2026 | NC-63-3-9-2026-1 |
San Luis Obispo CountyGroup 1 · Southern California | $65.18 | $39.35 | $104.53 | Aug 22, 2026 | SC-23-63-2-2026-2D |
San Mateo CountyGroup 1 · Northern California | $65.89 | $36.10 | $101.99 | Aug 22, 2026 | NC-63-3-9-2026-1 |
Santa Barbara CountyGroup 1 · Southern California | $65.18 | $39.35 | $104.53 | Aug 22, 2026 | SC-23-63-2-2026-2D |
Santa Clara CountyGroup 1 · Northern California | $65.89 | $36.10 | $101.99 | Aug 22, 2026 | NC-63-3-9-2026-1 |
Santa Cruz CountyGroup 1 · Northern California | $65.89 | $36.10 | $101.99 | Aug 22, 2026 | NC-63-3-9-2026-1 |
Shasta CountyGroup 1 · Northern California | $65.89 | $36.10 | $101.99 | Aug 22, 2026 | NC-63-3-9-2026-1 |
Sierra CountyGroup 1 · Northern California | $65.89 | $36.10 | $101.99 | Aug 22, 2026 | NC-63-3-9-2026-1 |
Siskiyou CountyGroup 1 · Northern California | $65.89 | $36.10 | $101.99 | Aug 22, 2026 | NC-63-3-9-2026-1 |
Solano CountyGroup 1 · Northern California | $65.89 | $36.10 | $101.99 | Aug 22, 2026 | NC-63-3-9-2026-1 |
Sonoma CountyGroup 1 · Northern California | $65.89 | $36.10 | $101.99 | Aug 22, 2026 | NC-63-3-9-2026-1 |
Stanislaus CountyGroup 1 · Northern California | $65.89 | $36.10 | $101.99 | Aug 22, 2026 | NC-63-3-9-2026-1 |
Sutter CountyGroup 1 · Northern California | $65.89 | $36.10 | $101.99 | Aug 22, 2026 | NC-63-3-9-2026-1 |
Tehama CountyGroup 1 · Northern California | $65.89 | $36.10 | $101.99 | Aug 22, 2026 | NC-63-3-9-2026-1 |
Trinity CountyGroup 1 · Northern California | $65.89 | $36.10 | $101.99 | Aug 22, 2026 | NC-63-3-9-2026-1 |
Tulare CountyGroup 1 · Northern California | $65.89 | $36.10 | $101.99 | Aug 22, 2026 | NC-63-3-9-2026-1 |
Tuolumne CountyGroup 1 · Northern California | $65.89 | $36.10 | $101.99 | Aug 22, 2026 | NC-63-3-9-2026-1 |
Ventura CountyGroup 1 · Southern California | $65.18 | $39.35 | $104.53 | Aug 22, 2026 | SC-23-63-2-2026-2D |
Yolo CountyGroup 1 · Northern California | $65.89 | $36.10 | $101.99 | Aug 22, 2026 | NC-63-3-9-2026-1 |
Yuba CountyGroup 1 · Northern California | $65.89 | $36.10 | $101.99 | Aug 22, 2026 | NC-63-3-9-2026-1 |
Main construction inspector or materials tester classification in each county, DIR period 2026-2. DIR sets this trade by region, so neighboring counties often share a rate. You pay the rate for the county where the work is done. Checked October 24, 2026.
How much does a construction inspector or materials tester make on prevailing wage in California?
$101.99 to $104.53 an hour, base wage plus fringe benefits, depending on the county; the median county pays $101.99. 2 groups of counties with identical rates and 1 county with rates of their own, highest main rate first, each split into base wage and employer payments on one scale.
- Southern California11 counties · Group 1$104.53
- San Diego County1 county · Group 1$104.49
- Northern California46 counties · Group 1$101.99
Which counties share a rate
| Counties | Main classification | Base wage | Total rate |
|---|---|---|---|
| Southern California, 11 counties: Imperial, Inyo, Kern, Los Angeles, Mono, Orange, Riverside, San Bernardino, San Luis Obispo, Santa Barbara, Ventura | Group 1 | $65.18 | $104.53 |
| San Diego County | Group 1 | $63.18 | $104.49 |
| Northern California, 46 counties: Alameda, Alpine, Amador, Butte, Calaveras, Colusa, Contra Costa, Del Norte, El Dorado, Fresno, Glenn, Humboldt, Kings, Lake, Lassen, Madera, Marin, Mariposa, Mendocino, Merced, Modoc, Monterey, Napa, Nevada, Placer, Plumas, Sacramento, San Benito, San Francisco, San Joaquin, San Mateo, Santa Clara, Santa Cruz, Shasta, Sierra, Siskiyou, Solano, Sonoma, Stanislaus, Sutter, Tehama, Trinity, Tulare, Tuolumne, Yolo, Yuba | Group 1 | $65.89 | $101.99 |
2 groups of counties with identical DIR rates, and 1 county with rates of its own.
These are journeyperson rates. Apprentices are paid from separate DAS determinations that DIR publishes by craft, county and program.
Determinations: NC-63-3-9-2026-1, SC-23-63-2-2026-2D, SD-23-63-3-2026-2D, SD-23-63-3-2026-2D1, SD-23-63-3-2026-2D2
Questions about California construction inspector or materials tester pay
What is the construction inspector or materials tester prevailing wage in Los Angeles County?
$104.53 an hour: a $65.18 base wage plus $39.35 in employer payments (fringe benefits), under DIR determination SC-23-63-2-2026-2D. Overtime and every construction inspector or materials tester classification in Los Angeles County.
Does construction inspector or materials tester prevailing wage include fringe benefits?
Yes. In Los Angeles County the $104.53 total is a $65.18 base wage plus $39.35 in employer payments (fringe benefits), about 38% of the total. The employer owes the full amount for every hour worked.
Do apprentice construction inspector or materials testers get this rate?
Registered apprentices are paid DIR's apprentice rates, which DIR publishes separately by craft, county and apprenticeship program on its apprentice wage page. The rates on this site are journeyperson rates.
Why do some counties have the same construction inspector or materials tester rate?
DIR sets many trades by area or region rather than one county at a time. Across California, the 58 counties with a construction inspector or materials tester rate fall into 3 distinct sets of rates, and 2 of those sets are shared by more than one county; the largest covers 46 counties (Northern California).
Which county pays construction inspector or materials testers the most in California?
Imperial County, at $104.53 an hour for the main classification. The lowest is Yuba County at $101.99, and the median county is $101.99.