State comparison · 2025
Environmental Engineers salary: California vs Massachusetts
Environmental Engineers in California earn a median of $130,410. In Massachusetts, $115,800. After cost-of-living, the gap is 7.6% — not 12.6%.
Nominal pay gap
+12.6%
California vs Massachusetts
COL-adjusted gap
+7.6%
After BEA Regional Price Parities
California
Environmental Engineers
- Median
- $130,410
- p25
- $95,950
- p75
- $148,650
- p10
- $79,790
- p90
- $170,790
- COL index (BEA RPP)100 = US average
- 110.7
- Hiring velocity (180d)
- -59%
Massachusetts
Environmental Engineers
- Median
- $115,800
- p25
- $86,370
- p75
- $142,130
- p10
- $77,150
- p90
- $172,920
- COL index (BEA RPP)100 = US average
- 105.8
- Hiring velocity (180d)
- -50%
BLS Occupational Employment and Wage Statistics, May 2025. Cost-of-living adjustment from BEA Regional Price Parities (overall index). Hiring velocity from DOL OFLC public disclosure data, recent 180 days vs prior. See methodology.