# How many plumbers are there in the US

- `plumbers_vs_other_occupations.csv`: national employment and annual wages (median, 10th and 90th percentile) for plumbers, pipefitters and steamfitters and comparison occupations, BLS OEWS May 2025.
- `plumbers_by_state.csv`: plumbers, pipefitters and steamfitters employed, per 1,000 jobs and median annual wage, with electricians, lawyers and all jobs, for the 50 states, DC, Puerto Rico, Guam and the US Virgin Islands, BLS OEWS May 2025.
- `ca_c36_plumbing_contractor_licences.csv`: California CSLB licences with the C-36 plumbing classification and status Clear, counted by business type, county and first issue year, September 2026.

Source: ProfessionLens, November 2026.