Start with the answer
Stationary Engineers and Boiler Operators pay in San Diego-Chula Vista-Carlsbad, CA and San Francisco-Oakland-Fremont, CA
The May 2025 BLS OEWS median for Stationary Engineers and Boiler Operators is $77,080 per year in San Diego-Chula Vista-Carlsbad, CA. It is $129,930 per year in San Francisco-Oakland-Fremont, CA. San Diego-Chula Vista-Carlsbad, CA is 40.7% below San Francisco-Oakland-Fremont, CA on the published median.
Both rows use SOC 51-8021 and the same annual wage metric. Median means the middle of each area's published wage spread. It is not one worker's pay. The larger median is not proof that one place gives a better job or a better result. It is one wage fact from one source period.
BLS lists 450 wage and salary jobs in San Diego-Chula Vista-Carlsbad, CA and 980 in San Francisco-Oakland-Fremont, CA. Those are survey job counts, not open posts. Read pay, job scale, local share, and price level as separate facts before you make a choice.
