TradeSalary

Diesel mechanic salary in Napa, CA

Updated September 27, 2026 with BLS data from May 2025

Diesel mechanics in the Napa, CA area earn a median of $78,070 a year, or $37.54 an hour, according to May 2025 BLS data. The top 10% earn more than $103,950. Across all of California, the median is $73,950, so Napa pays 6% more than the state as a whole.

Median yearly pay$78,070
Bottom 10% under$51,160Top 10% over$103,950
Entry-level starting pay (estimate)
$24.60/hr
Jobs in this area
60
After cost of living
$69,360
Median hourly pay
$37.54/hr
vs U.S. median
+26%
vs California median
+6%
Mean (average) pay
$79,120 a year · $38.04 an hour
Source: BLS Occupational Employment and Wage Statistics, May 2025 (area 34900, Napa, CA). Excludes self-employed diesel mechanics. Cost of living: BEA Regional Price Parities, 2024. *Starting pay is estimated from the 10th percentile; BLS does not report pay by license level.

Pay by percentile

What diesel mechanics in Napa, CA earn at each point of the pay range, May 2025: 10% earn less than the 10th percentile, half earn less than the median, and 10% earn more than the 90th.

PercentileHourlyYearly
10th percentile$24.60$51,160
25th percentile$30.42$63,270
Median (50th)$37.54$78,070
75th percentile$44.59$92,750
90th percentile$49.98$103,950

BLS Occupational Employment and Wage Statistics, May 2025. BLS yearly figures are the hourly wage times 2,080 hours.

How Napa, CA compares

  • Napa ranks 3rd of 25 California metro areas for diesel mechanic pay.
  • Diesel mechanics are less concentrated in the Napa area than nationally: 0.8 of every 1,000 jobs, 0.43 times the U.S. share.

Other California metro areas

Other trades in Napa, CA

Questions

Do diesel mechanics make more in Napa or San Francisco?
San Francisco pays more: the median is $78,070 in Napa and $82,100 in San Francisco, a 5% difference.

About this data

Wages are from the U.S. Bureau of Labor Statistics Occupational Employment and Wage Statistics survey for May 2025, occupation 49-3031 (Bus and Truck Mechanics and Diesel Engine Specialists), area code 34900 (Napa, CA). BLS counts wage and salary workers only, so self-employed diesel mechanics and business owners aren't included. The cost-of-living figure divides the median by the Bureau of Economic Analysis Regional Price Parity for 2024 (112.6, where the U.S. average is 100). Page updated September 27, 2026. How we calculate these figures