The 25 contractors pulling the most building permits in Malden, ranked by PermitStack's activity score — built from 75,876 permits on file. Updated from live public records.
| # | Contractor | Permits | Score | Top trades | Last permit |
|---|---|---|---|---|---|
| 1 | Sunrun Installation Services, Inc | 267 | 100 | addition, battery, electrical | Jun 2026 |
| 2 | Vivint Solar Developer, LLC. | 180 | 98 | addition, battery, electrical | Mar 2017 |
| 3 | Solar City Corporation | 103 | 72 | battery, electrical, foundation | Feb 2016 |
| 4 | SOLAR CITY CORP | 88 | 82 | addition, battery, electrical | Jan 2016 |
| 5 | SolarCity Corporation | 71 | 92 | addition, battery, electrical | Jan 2016 |
| 6 | GEM PLUMBING | 71 | 65 | electrical, mechanical, plumbing | Jan 2026 |
| 7 | Trinity Solar Inc | 66 | 100 | battery, electrical, interior_remodel | Jun 2026 |
| 8 | Sunrun Inc | 62 | 100 | addition, battery, electrical | Jul 2026 |
| 9 | SIGN ART CO | 62 | 86 | electrical, hvac, interior_remodel | Apr 2024 |
| 10 | All-Tech Electric, Inc. | 52 | 79 | battery, demolition, electrical | May 2015 |
| 11 | FINCOR CONSTRUCTION INC | 52 | 42 | interior_remodel, plumbing, renovation | Feb 2016 |
| 12 | THE HOME DEPOT | 51 | 100 | addition, demolition, electrical | Jun 2026 |
| 13 | Sky Phoenix Construction Management Inc. | 45 | 49 | addition, demolition, electrical | Dec 2015 |
| 14 | hsne plg co. | 37 | 36 | plumbing | Nov 2024 |
| 15 | 128 Plumbing & Heating Inc. | 36 | 73 | electrical, hvac, mechanical | Jun 2026 |
| 16 | POWER HOME REMODELING GROUP LLC | 34 | 100 | addition, electrical, fence | Aug 2026 |
| 17 | Defender Security Company | 32 | 49 | battery, electrical, interior_remodel | Aug 2016 |
| 18 | SAFE HOME SECURITY INC | 32 | 32 | electrical | Apr 2016 |
| 19 | The Boston Solar Company | 31 | 84 | electrical, hvac, solar | Nov 2015 |
| 20 | WINDOW WORLD OF BOSTON LLC | 31 | 68 | addition, interior_remodel, renovation | Jul 2026 |
| 21 | VIVINT INC | 25 | 96 | electrical, fire_alarm, interior_remodel | Jun 2026 |
| 22 | Mark Brady Roofing | 25 | 61 | roofing | Dec 2015 |
| 23 | Momentum Solar, LLC | 24 | 100 | addition, battery, electrical | Apr 2026 |
| 24 | Duggan Mechanical Services, Inc. | 21 | 62 | hvac, plumbing | Aug 2023 |
| 25 | KW Management, Inc. | 21 | 56 | electrical, solar | Sep 2024 |
"Score" is a 0–100 activity index from permit volume, recency, project value, and geographic reach. "Permits" counts building permits this contractor pulled in Malden.
Query contractors, scores, and permits programmatically — GET /v1/contractors/search?state=MA&sort=score