The 25 contractors pulling the most building permits in Dover (NH), ranked by PermitStack's activity score — built from 12,924 permits on file. Updated from live public records.
| # | Contractor | Permits | Score | Top trades | Last permit |
|---|---|---|---|---|---|
| 1 | Windover Construction | 46 | 72 | addition, demolition, interior_remodel | Dec 2025 |
| 2 | East Coast HVAC | 27 | 54 | electrical, hvac, interior_remodel | Nov 2024 |
| 3 | GRATEFUL ELECTRIC LLC | 18 | 61 | solar | Aug 2026 |
| 4 | Sunrun Installation Services, Inc | 15 | 100 | addition, battery, electrical | Feb 2025 |
| 5 | Builders Installed Products | 13 | 19 | mechanical | Aug 2022 |
| 6 | Strogen's Service Experts | 12 | 57 | hvac, mechanical, plumbing | Jul 2026 |
| 7 | Linscott Electric, LLC | 12 | 48 | electrical, hvac | Mar 2025 |
| 8 | HOME DEPOT USA INC | 11 | 100 | addition, demolition, electrical | Jul 2026 |
| 9 | 54 BRR LLC | 11 | 39 | new_construction | Sep 2022 |
| 10 | Service Experts/Strogens | 11 | 18 | hvac, mechanical, plumbing | Aug 2022 |
| 11 | Lacewood Group Inc | 9 | 57 | addition, electrical, interior_remodel | Mar 2026 |
| 12 | Heritage Home Services | 9 | 55 | addition, electrical, hvac | Aug 2022 |
| 13 | Townsend Energy | 9 | 53 | hvac, mechanical, plumbing | Oct 2025 |
| 14 | RENEWAL BY ANDERSEN LLC | 8 | 100 | addition, demolition, electrical | May 2025 |
| 15 | POWELL ELECTRIC | 8 | 95 | addition, battery, electrical | Jul 2025 |
| 16 | J. Carnes & Son Roofing | 7 | 55 | roofing | Apr 2026 |
| 17 | R.A. MECHANICAL,INC. | 7 | 52 | hvac, plumbing, renovation | Apr 2025 |
| 18 | Whitcher Builders | 6 | 59 | addition, demolition, interior_remodel | Jul 2026 |
| 19 | 603 Electric | 6 | 53 | electrical, solar | Jun 2026 |
| 20 | ARTISAN ELECTRIC INC | 5 | 100 | addition, battery, electrical | Oct 2023 |
| 21 | MR. ELECTRIC | 5 | 100 | addition, battery, electrical | Jun 2025 |
| 22 | ROOFING SPECIALISTS INC | 5 | 65 | addition, demolition, interior_remodel | Mar 2025 |
| 23 | SJM CONSTRUCTION | 5 | 64 | addition, demolition, hvac | Jan 2026 |
| 24 | Current electrical services | 5 | 62 | electrical, ev_charger, hvac | Oct 2022 |
| 25 | live free energy | 5 | 54 | roofing, solar | Feb 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 Dover (NH).
Query contractors, scores, and permits programmatically — GET /v1/contractors/search?state=NH&sort=score