The 25 contractors pulling the most building permits in Redmond, ranked by PermitStack's activity score — built from 184,358 permits on file. Updated from live public records.
| # | Contractor | Permits | Score | Top trades | Last permit |
|---|---|---|---|---|---|
| 1 | COCHRAN INC | 6,388 | 100 | battery, demolition, electrical | Aug 2026 |
| 2 | BOBS HEATING & AIR CONDITIONING | 2,944 | 87 | electrical, hvac, mechanical | Jul 2026 |
| 3 | FAST HOME SERVICES LLC | 2,105 | 96 | electrical, ev_charger, hvac | Aug 2026 |
| 4 | CB RICHARD ELLIS INC CBRE | 2,102 | 84 | battery, electrical, ev_charger | Aug 2026 |
| 5 | Prime Electric | 1,728 | 100 | addition, battery, demolition | Aug 2026 |
| 6 | WASHINGTON ENERGY SERVICES CO | 1,613 | 100 | addition, electrical, ev_charger | Aug 2026 |
| 7 | PELTRAM PLUMBING LLC | 1,392 | 95 | electrical, fire_alarm, hvac | Jul 2026 |
| 8 | PROVIDENT ELECTRIC INC | 1,372 | 92 | addition, demolition, electrical | Aug 2026 |
| 9 | McKinstry Co LLC | 1,353 | 100 | addition, battery, demolition | Jul 2026 |
| 10 | BRENNAN HEATING & AIR CONDITIONING | 1,250 | 87 | electrical, ev_charger, hvac | Jul 2026 |
| 11 | MM COMFORT SYSTEMS | 1,219 | 83 | demolition, electrical, fence | Feb 2023 |
| 12 | ADT LLC | 1,163 | 100 | addition, battery, demolition | Jun 2026 |
| 13 | BOBS HEATING & A/C | 793 | 63 | electrical, hvac, mechanical | Feb 2016 |
| 14 | BLACK LION HEATING & A/C | 636 | 91 | addition, demolition, electrical | Jul 2026 |
| 15 | PATRIOT FIRE PROTECTION INC | 635 | 100 | addition, battery, demolition | Aug 2026 |
| 16 | ANM ELECTRIC INC | 595 | 89 | electrical, ev_charger, hvac | Aug 2026 |
| 17 | Builders Supply | 592 | 66 | demolition, fire_alarm, new_construction | Dec 2022 |
| 18 | MASTERCRAFT ELECTRIC INC | 577 | 92 | addition, battery, electrical | Aug 2026 |
| 19 | MERIDIAN CENTER ELECTRIC INC | 573 | 92 | battery, electrical, ev_charger | Jul 2026 |
| 20 | Hermanson Company LLP | 571 | 99 | addition, battery, demolition | Aug 2026 |
| 21 | FIRE PROTECTION INC | 544 | 100 | addition, battery, demolition | Jun 2026 |
| 22 | QUADRANT HOMES | 531 | 75 | fence, fire_alarm, mechanical | Nov 2023 |
| 23 | GUARDIAN SECURITY SYSTEMS INC | 527 | 100 | addition, battery, electrical | Jul 2026 |
| 24 | ALL CLIMATE HEATING & A/C | 516 | 90 | electrical, hvac, interior_remodel | Jul 2026 |
| 25 | TOLL BROS INC | 481 | 100 | addition, demolition, electrical | Mar 2025 |
"Score" is a 0–100 activity index from permit volume, recency, project value, and geographic reach. "Permits" counts building permits this contractor pulled in Redmond.
Query contractors, scores, and permits programmatically — GET /v1/contractors/search?state=WA&sort=score