Licensed electricians, HVAC technicians, and plumbers across the Northern Virginia metro, by county. Refreshed nightly.
The Northern Virginia metro carries 3,132 licensed skilled-trades workers on the register as of 2026-08-09, including 1,541 electricians.
| County | Licensed trades |
|---|---|
| Woodbridge | 574 |
| Manassas | 517 |
| Alexandria | 372 |
| Fairfax | 208 |
| Sterling | 204 |
| Springfield | 200 |
| Centreville | 145 |
| Leesburg | 128 |
| Falls Church | 125 |
| Arlington | 119 |
| Ashburn | 102 |
| Lorton | 90 |
| Chantilly | 83 |
| Herndon | 77 |
| Gainesville | 70 |
| Vienna | 52 |
| Reston | 42 |
| Mclean | 24 |
New licenses, ladder upgrades, classification changes and lapses, by market and credential tier. Read the quarterly free, or license the underlying data.