The 25 contractors pulling the most building permits in Washington DC, ranked by PermitStack's activity score — built from 951,661 permits on file. Updated from live public records.
| # | Contractor | Permits | Score | Top trades | Last permit |
|---|---|---|---|---|---|
| 1 | PEPCO PHI HOLDINGS INC | 1,515 | 35 | demolition, electrical, fence | May 2014 |
| 2 | AG'S ENTERPRISE INC | 621 | 75 | demolition, plumbing, renovation | May 2026 |
| 3 | KALOS CONSTRUCTION | 409 | 51 | plumbing, renovation, roofing | Oct 2025 |
| 4 | FORT MYER CONSTRUCTION CORPORATION | 347 | 52 | electrical, plumbing, renovation | May 2026 |
| 5 | ACE UTILITIES L.L.C | 338 | 50 | fence, mechanical, plumbing | Dec 2025 |
| 6 | POTOMAC ELECTRIC POWER COMPANY | 322 | 35 | electrical, renovation | Jan 2023 |
| 7 | Crescent Plumbing | 296 | 75 | addition, electrical, interior_remodel | Sep 2018 |
| 8 | ANCHOR CONSTRUCTION | 224 | 95 | addition, demolition, electrical | May 2025 |
| 9 | TELEPORT COMMUNICATIONS AMERICA LLC | 154 | 69 | foundation, new_construction | Dec 2019 |
| 10 | LONG FENCE COMPANY VICKIE WILLIAMS | 116 | 47 | fence | May 2026 |
| 11 | E2CR INC. | 102 | 42 | — | Jun 2025 |
| 12 | MAGNOLIA PLUMBING AND HEATING | 101 | 23 | plumbing, renovation | Feb 2016 |
| 13 | Magnolia Plumbing LLC | 80 | 66 | plumbing, renovation | Feb 2026 |
| 14 | ACCUMARK INC | 79 | 48 | plumbing | Apr 2026 |
| 15 | ZAYO GROUP | 75 | 84 | electrical, plumbing, renovation | Jan 2019 |
| 16 | ACE L.L.C | 74 | 38 | plumbing | Feb 2025 |
| 17 | HAMEL BUILDERS | 71 | 81 | demolition, electrical, fence | Jun 2024 |
| 18 | ELITE CUSTOM HOMES 100 LLC | 61 | 39 | demolition, fence, plumbing | Jun 2025 |
| 19 | ICONIC PLUMBING | 54 | 53 | interior_remodel, plumbing, renovation | Mar 2026 |
| 20 | CRANFORD MECHANICAL | 53 | 20 | mechanical, plumbing, renovation | Jun 2015 |
| 21 | FOOTES PLUMBING | 49 | 20 | plumbing | Mar 2014 |
| 22 | MID-ATLANTIC UTILITY LOCATING LLC | 47 | 23 | renovation | Jul 2022 |
| 23 | PEPCO PHI, Inc. | 47 | 20 | renovation | Jun 2011 |
| 24 | SAK CONSTRUCTION | 44 | 70 | demolition, plumbing, renovation | Jun 2020 |
| 25 | Fiberlight, LLC | 42 | 56 | renovation | Oct 2013 |
"Score" is a 0–100 activity index from permit volume, recency, project value, and geographic reach. "Permits" counts building permits this contractor pulled in Washington DC.
Query contractors, scores, and permits programmatically — GET /v1/contractors/search?state=DC&sort=score