The 25 contractors pulling the most building permits in Howard County, ranked by PermitStack's activity score — built from 1,684 permits on file. Updated from live public records.
| # | Contractor | Permits | Score | Top trades | Last permit |
|---|---|---|---|---|---|
| 1 | AT YOUR SERVICE REPAIR, INC. | 21 | 47 | plumbing | Oct 2026 |
| 2 | MEGA PLUMBING CORP | 11 | 92 | addition, interior_remodel, mechanical | Oct 2026 |
| 3 | Sunrun Installation Services, Inc | 10 | 100 | addition, battery, electrical | Oct 2026 |
| 4 | HEIL PLUMBING | 10 | 40 | plumbing | Oct 2026 |
| 5 | Solar Gaines | 8 | 67 | electrical, solar | Oct 2026 |
| 6 | Constellation Home | 7 | 68 | plumbing | Oct 2026 |
| 7 | Solar Energy World | 6 | 99 | addition, battery, electrical | Oct 2026 |
| 8 | THOMPSONGAS, LLC | 6 | 85 | electrical, fence, hvac | Oct 2026 |
| 9 | Anthonys electric | 6 | 55 | electrical | Sep 2026 |
| 10 | D. W. BAHR PLUMBING | 6 | 37 | plumbing | Sep 2026 |
| 11 | MICHAEL AND SON SERVICES | 5 | 97 | electrical, ev_charger, hvac | Sep 2026 |
| 12 | CLINTON ELECTRIC | 5 | 82 | electrical, hvac, new_construction | Oct 2026 |
| 13 | TRI STAR ELECTRIC | 5 | 65 | electrical | Sep 2026 |
| 14 | BRYAN MOBERLY PLUMBING SERVICES | 5 | 39 | plumbing | Sep 2026 |
| 15 | HATZEL & BUEHLER INC | 4 | 92 | addition, battery, demolition | Oct 2026 |
| 16 | VIBRANIUM ELECTRICAL SERVICES | 4 | 63 | electrical, hvac | Oct 2026 |
| 17 | Redsteel HVAC Inc | 4 | 49 | hvac, mechanical | Oct 2026 |
| 18 | ENVIRONMENTAL SYSTEMS ASSOCIATES, INC | 4 | 35 | plumbing | Oct 2026 |
| 19 | ROTO ROOTER SERVICES COMPANY | 3 | 97 | addition, electrical, foundation | Sep 2026 |
| 20 | MAIN STREET ELECTRIC INC | 3 | 90 | electrical, ev_charger, fire_alarm | Sep 2026 |
| 21 | Horizon Services Inc | 3 | 84 | electrical, ev_charger, hvac | Sep 2026 |
| 22 | Solar Landscape, LLC | 3 | 75 | solar | Oct 2026 |
| 23 | BLUE JAY ELECTRIC | 3 | 74 | electrical, ev_charger, hvac | Oct 2026 |
| 24 | TC PLUMBING LLC | 3 | 67 | addition, plumbing | Oct 2026 |
| 25 | ASSOCIATES PLUMBING | 3 | 64 | interior_remodel, plumbing | Oct 2026 |
"Score" is a 0–100 activity index from permit volume, recency, project value, and geographic reach. "Permits" counts building permits this contractor pulled in Howard County.
Query contractors, scores, and permits programmatically — GET /v1/contractors/search?state=MD&sort=score