The 25 contractors pulling the most building permits in Hawaii County, ranked by PermitStack's activity score — built from 97,452 permits on file. Updated from live public records.
| # | Contractor | Permits | Score | Top trades | Last permit |
|---|---|---|---|---|---|
| 1 | ISLANDWIDE SOLAR LLC (CT-31045) | 174 | 50 | electrical, roofing, solar | Dec 2015 |
| 2 | TESLA ENERGY OPERATIONS INC (CT-29770) | 117 | 47 | electrical, roofing | Oct 2016 |
| 3 | Walter's Electric Inc (CT-8876) | 60 | 48 | electrical, solar | May 2023 |
| 4 | P.A. HARRIS ELECTRIC (CT-16948) | 42 | 39 | electrical, roofing, solar | Jun 2017 |
| 5 | Isemoto Contracting Co Ltd (CT-1036) | 38 | 38 | addition, electrical, fence | Nov 2017 |
| 6 | Edward Hirayama Electric, Inc. (CT-19830) | 33 | 37 | electrical | Jun 2016 |
| 7 | NAN, Inc. | 32 | 42 | electrical, plumbing | Dec 2017 |
| 8 | Wasa Electrical Services Inc (CT-10008) | 29 | 36 | electrical, roofing | Oct 2017 |
| 9 | REGIS ELECTRIC LLC (CT-30951) | 28 | 38 | electrical, roofing, solar | Dec 2016 |
| 10 | Hirayama Brothers Electric Inc (CT-11620) | 25 | 44 | electrical | Aug 2023 |
| 11 | Bolton Inc (CT-14458) | 23 | 39 | electrical, pool, solar | Sep 2017 |
| 12 | Calvin's Plumbing Inc (CT-25508) | 23 | 36 | plumbing, roofing, solar | Nov 2017 |
| 13 | DWE INC (CT-29231) | 23 | 32 | electrical, solar | Dec 2016 |
| 14 | Iwamoto Electric LLC (CT-27719) | 22 | 31 | electrical | Nov 2017 |
| 15 | VIVINT SOLAR DEVELOPER LLC (CT-33444) | 21 | 34 | electrical, roofing, solar | Apr 2016 |
| 16 | VP Electric LLC (CT-33579) | 20 | 34 | electrical, hvac, roofing | Sep 2017 |
| 17 | Aoki Plumbing LLC (CT-21641) | 20 | 32 | electrical, hvac, plumbing | Apr 2017 |
| 18 | Big Island Electric Inc (CT-25414) | 19 | 34 | electrical, hvac, solar | Oct 2020 |
| 19 | Stan's Contracting Inc (CT-3637) | 17 | 34 | electrical, renovation, solar | Aug 2017 |
| 20 | WESTSIDE ELECTRIC LLC (CT-29009) | 17 | 32 | electrical, hvac, roofing | Aug 2016 |
| 21 | Maryl Construction Inc (CT-22021) | 16 | 35 | addition, electrical, hvac | Nov 2016 |
| 22 | Yamamoto Electrical Services, LLC (CT-33506) | 16 | 29 | electrical, ev_charger, solar | Sep 2017 |
| 23 | G M Construction Inc (CT-23947) | 15 | 40 | addition, electrical, interior_remodel | Nov 2016 |
| 24 | American Electric Co LLC (CT-24422) | 15 | 33 | electrical, ev_charger, roofing | Mar 2016 |
| 25 | Kamuela Electric LLC (CT-27251) | 15 | 31 | electrical | Jul 2017 |
"Score" is a 0–100 activity index from permit volume, recency, project value, and geographic reach. "Permits" counts building permits this contractor pulled in Hawaii County.
Query contractors, scores, and permits programmatically — GET /v1/contractors/search?state=HI&sort=score