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Data and sources
Where does each number come from?
| Data | Source | Updates |
|---|---|---|
| Pay by trade, state and metro | BLS Occupational Employment and Wage Statistics, May 2025 | Yearly (spring) |
| 10-year job projections | Projections Central, 2024-2034 long-term projections | Every two years |
| Trade schools and programs | U.S. Department of Education College Scorecard | Yearly |
| Apprenticeship sponsors | apprenticeship.gov Partner Finder | Checked monthly |
| Licensing rules, fees, bonds | Each state licensing board (linked on every state page) | Checked weekly for changes |
| Mechanics lien deadlines | State statutes (cited per line) | Checked yearly and after legislative sessions |
Which states' contractor records are here?
| State | Active licenses | File date | Source |
|---|---|---|---|
| California | 233,629 | 2026-10-26 | CA CSLB License Master (cslb.ca.gov data portal) |
| Washington | 76,309 | 2026-10-27 | WA L&I via data.wa.gov (m8qx-ubtq, bzff-4fmt, ciwg-agsx) |
| Oregon | 45,709 | 2026-10-27 | OR CCB via data.oregon.gov (g77e-6bhs) |
| Florida | 97,790 | 2026-10-27 | FL DBPR construction license extract (CONSTRUCTIONLICENSE_1) |
| Minnesota | 36,846 | 2026-10-27 | MN DLI license/registration export |
| Virginia | 50,506 | 2026-10-27 | VA DPOR regulant list 2705 (contractor firms) |