The 25 contractors pulling the most building permits in Bellevue, ranked by PermitStack's activity score — built from 436,119 permits on file. Updated from live public records.
| # | Contractor | Permits | Score | Top trades | Last permit |
|---|---|---|---|---|---|
| 1 | POTELCO INC | 5,778 | 82 | addition, demolition, electrical | May 2026 |
| 2 | QWEST CORPORATION A V SMITH | 2,826 | 61 | addition, demolition, electrical | Jun 2026 |
| 3 | COCHRAN INC | 2,446 | 89 | demolition, electrical, ev_charger | Jun 2026 |
| 4 | PROVIDENT ELECTRIC INC | 2,384 | 87 | demolition, electrical, ev_charger | May 2026 |
| 5 | Titan Electric Inc | 2,363 | 94 | electrical, ev_charger, fire_alarm | May 2026 |
| 6 | Prime Electric | 2,162 | 94 | electrical, ev_charger, fire_alarm | May 2026 |
| 7 | BRENNAN HEATING & A/C LLC | 1,825 | 84 | electrical, ev_charger, hvac | May 2026 |
| 8 | Infrasource Services LLC | 1,808 | 80 | addition, fence, foundation | May 2026 |
| 9 | NELSON ELECTRIC | 1,657 | 86 | demolition, electrical, ev_charger | May 2026 |
| 10 | PRIDE ELECTRIC CO | 1,555 | 92 | electrical, ev_charger, fire_alarm | Dec 2019 |
| 11 | ADT SECURITY SERVICES | 1,358 | 89 | addition, electrical, fence | Aug 2013 |
| 12 | GUARDIAN SECURITY SYSTEMS INC | 1,301 | 85 | addition, electrical, fire_alarm | May 2026 |
| 13 | ADT LLC | 1,255 | 91 | addition, electrical, fire_alarm | May 2026 |
| 14 | CABLECOM LLC J MICHAEL GEPFORD | 1,214 | 60 | demolition, electrical, grading | May 2026 |
| 15 | EVERGREEN POWER SYSTEMS, INC | 1,159 | 86 | electrical, ev_charger, fire_alarm | May 2026 |
| 16 | WASHINGTON ENERGY SVCS CO LLC | 1,157 | 85 | electrical, ev_charger, hvac | Jun 2026 |
| 17 | MERIDIAN CENTER ELECTRIC INC | 1,116 | 88 | electrical, ev_charger, fire_alarm | Jun 2026 |
| 18 | SEFNCO INC SCOTT ELLIOTT NALL | 1,098 | 36 | addition, demolition, electrical | Mar 2015 |
| 19 | BEL-RED ELECTRIC SERVICE INC | 1,065 | 83 | electrical, ev_charger, hvac | Apr 2026 |
| 20 | CONVERGINT TECHNOLOGIES LLC | 985 | 93 | addition, electrical, fire_alarm | May 2026 |
| 21 | MACDONALD MILLER FAC SOL INC | 975 | 54 | electrical, hvac, interior_remodel | Feb 2025 |
| 22 | FAST WATER HEATER COMPANY | 904 | 85 | electrical, interior_remodel, mechanical | Jan 2026 |
| 23 | SEQUOYAH ELECTRIC LLC | 870 | 88 | electrical, ev_charger, fire_alarm | May 2026 |
| 24 | SEA TAC ELECTRIC INC | 835 | 84 | demolition, electrical, ev_charger | May 2026 |
| 25 | HOLMES ELECTRIC CO | 789 | 87 | addition, electrical, ev_charger | May 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