State comparison · 2025
Plumbers, Pipefitters, and Steamfitters salary: District of Columbia vs Massachusetts
Plumbers, Pipefitters, and Steamfitters in District of Columbia earn a median of $101,020. In Massachusetts, $93,880. After cost-of-living, the gap is 3.6% — not 7.6%.
Nominal pay gap
+7.6%
District of Columbia vs Massachusetts
COL-adjusted gap
+3.6%
After BEA Regional Price Parities
District of Columbia
Plumbers, Pipefitters, and Steamfitters
- Median
- $101,020
- p25
- $74,630
- p75
- $114,400
- p10
- $52,310
- p90
- $117,180
- COL index (BEA RPP)100 = US average
- 109.9
Massachusetts
Plumbers, Pipefitters, and Steamfitters
- Median
- $93,880
- p25
- $61,860
- p75
- $108,430
- p10
- $52,010
- p90
- $135,080
- COL index (BEA RPP)100 = US average
- 105.8
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.