The 25 contractors pulling the most building permits in Sumner, ranked by PermitStack's activity score — built from 7,368 permits on file. Updated from live public records.
| # | Contractor | Permits | Score | Top trades | Last permit |
|---|---|---|---|---|---|
| 1 | UNIVERSAL REFRIGERATION INC | 111 | 88 | addition, demolition, electrical | Nov 2025 |
| 2 | SMITH FIRE SYSTEMS INC | 105 | 98 | addition, demolition, electrical | Jan 2026 |
| 3 | STATE MECHANICAL COMPANY | 89 | 83 | electrical, hvac, interior_remodel | Apr 2026 |
| 4 | PATRIOT FIRE PROTECTION INC | 82 | 100 | addition, battery, demolition | May 2026 |
| 5 | PUYALLUP HEATING & A/C | 80 | 70 | electrical, hvac, mechanical | Apr 2026 |
| 6 | KIRBY ELECTRIC INC | 75 | 99 | addition, electrical, fire_alarm | May 2026 |
| 7 | Sierra Construction Company | 74 | 86 | addition, battery, demolition | Jul 2025 |
| 8 | WASHINGTON ENERGY SERVICES CO | 73 | 99 | addition, electrical, ev_charger | Sep 2025 |
| 9 | FAST WATER HEATER COMPANY | 66 | 99 | electrical, hvac, interior_remodel | Feb 2024 |
| 10 | NORTHWEST HANDLING SYSTEMS | 63 | 83 | addition, battery, demolition | Jun 2026 |
| 11 | Richmond American Homes | 62 | 100 | addition, electrical, fence | May 2021 |
| 12 | PACIFIC HEATING & COOLING | 55 | 87 | addition, hvac, mechanical | Apr 2025 |
| 13 | OLSEN ELECTRIC INC | 54 | 92 | addition, electrical, fire_alarm | Apr 2026 |
| 14 | POE CONSTRUCTION | 53 | 71 | addition, demolition, fence | Nov 2022 |
| 15 | SERENITY AIR INC | 48 | 47 | hvac, mechanical | Apr 2026 |
| 16 | PACIFIC AIR SYSTEMS | 43 | 69 | hvac, mechanical, plumbing | Apr 2022 |
| 17 | EXPERT AIR CONTROL LLC | 40 | 72 | electrical, hvac, interior_remodel | Mar 2025 |
| 18 | BLACK HILLS INC | 37 | 77 | hvac, interior_remodel, mechanical | Aug 2025 |
| 19 | Rush Construction | 37 | 75 | addition, demolition, fence | Mar 2024 |
| 20 | T BARGER DIRTWORKS, LLC | 35 | 71 | demolition, fence, grading | Jan 2026 |
| 21 | CSC EXTERIORS, INC. | 34 | 19 | roofing | Sep 2020 |
| 22 | EVERGREEN REFRIGERATION LLC | 32 | 92 | addition, electrical, hvac | Nov 2024 |
| 23 | SIERRA CONSTRUCTION CO INC | 31 | 93 | addition, demolition, electrical | Mar 2026 |
| 24 | BRENNAN HEATING CO INC | 31 | 88 | electrical, hvac, interior_remodel | Nov 2024 |
| 25 | Pacific Heating and Cooling | 31 | 43 | mechanical | Jun 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 Sumner.
Query contractors, scores, and permits programmatically — GET /v1/contractors/search?state=WA&sort=score