The 25 contractors pulling the most building permits in Bellevue, ranked by PermitStack's activity score — built from 442,270 permits on file. Updated from live public records.
| # | Contractor | Permits | Score | Top trades | Last permit |
|---|---|---|---|---|---|
| 1 | POTELCO INC | 5,923 | 94 | addition, battery, demolition | Sep 2026 |
| 2 | QWEST CORPORATION A V SMITH | 2,865 | 61 | addition, demolition, electrical | Sep 2026 |
| 3 | COCHRAN INC | 2,481 | 100 | battery, demolition, electrical | Sep 2026 |
| 4 | Titan Electric Inc | 2,407 | 100 | addition, battery, demolition | Sep 2026 |
| 5 | PROVIDENT ELECTRIC INC | 2,406 | 100 | addition, demolition, electrical | Sep 2026 |
| 6 | Prime Electric | 2,185 | 100 | addition, battery, demolition | Sep 2026 |
| 7 | Infrasource Services LLC | 1,882 | 93 | addition, demolition, electrical | Sep 2026 |
| 8 | BRENNAN HEATING & A/C LLC | 1,858 | 91 | electrical, ev_charger, hvac | Aug 2026 |
| 9 | NELSON ELECTRIC | 1,684 | 100 | addition, battery, demolition | Sep 2026 |
| 10 | PRIDE ELECTRIC CO | 1,555 | 100 | addition, demolition, electrical | Dec 2019 |
| 11 | ADT SECURITY SERVICES | 1,358 | 100 | addition, battery, electrical | Aug 2013 |
| 12 | GUARDIAN SECURITY SYSTEMS INC | 1,318 | 100 | addition, battery, electrical | Sep 2026 |
| 13 | ADT LLC | 1,261 | 100 | addition, battery, demolition | Aug 2026 |
| 14 | CABLECOM LLC J MICHAEL GEPFORD | 1,222 | 60 | demolition, electrical, grading | Sep 2026 |
| 15 | WASHINGTON ENERGY SVCS CO LLC | 1,220 | 98 | electrical, ev_charger, hvac | Sep 2026 |
| 16 | evergreen power systems | 1,173 | 86 | battery, electrical, ev_charger | Aug 2026 |
| 17 | MERIDIAN CENTER ELECTRIC INC | 1,122 | 92 | battery, electrical, ev_charger | Sep 2026 |
| 18 | SEFNCO INC SCOTT ELLIOTT NALL | 1,098 | 36 | addition, demolition, electrical | Mar 2015 |
| 19 | BEL-RED ELECTRIC SERVICE INC | 1,067 | 85 | electrical, ev_charger, hvac | Aug 2026 |
| 20 | CONVERGINT TECHNOLOGIES LLC | 1,019 | 100 | addition, battery, demolition | Sep 2026 |
| 21 | MACDONALD MILLER FAC SOL INC | 975 | 89 | electrical, hvac, interior_remodel | Feb 2025 |
| 22 | FAST WATER HEATER COMPANY | 904 | 100 | electrical, hvac, interior_remodel | Jan 2026 |
| 23 | SEQUOYAH ELECTRIC LLC | 896 | 92 | addition, battery, electrical | Sep 2026 |
| 24 | SEA TAC ELECTRIC INC | 837 | 89 | demolition, electrical, ev_charger | Sep 2026 |
| 25 | HOLMES ELECTRIC CO | 790 | 95 | addition, electrical, ev_charger | Aug 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 Bellevue.
Query contractors, scores, and permits programmatically — GET /v1/contractors/search?state=WA&sort=score