The 25 contractors pulling the most building permits in Pasadena (CA), ranked by PermitStack's activity score — built from 499,357 permits on file. Updated from live public records.
| # | Contractor | Permits | Score | Top trades | Last permit |
|---|---|---|---|---|---|
| 1 | Ashwood Construction Inc | 481 | 82 | addition, demolition, electrical | Nov 2003 |
| 2 | American Grandstand Seating Co Inc | 425 | 73 | foundation, interior_remodel | Dec 2004 |
| 3 | MIKE BROWN GRANDSTANDS INC | 226 | 51 | addition, fence, new_construction | Nov 2001 |
| 4 | ALAMITOS BUILDING INC | 171 | 50 | electrical, fence, grading | Sep 1997 |
| 5 | Massie Roofing Co | 142 | 73 | roofing | Aug 2004 |
| 6 | A-1 ROOFING SERVICE INCORPORAT | 126 | 45 | roofing | Nov 1993 |
| 7 | ARROYO PLUMBING INC | 113 | 77 | electrical, fence, fire_alarm | Jul 2026 |
| 8 | ACTION CONTRACTORS INC | 106 | 59 | addition, electrical, hvac | Jul 2004 |
| 9 | SEISMIC SAFETY INC | 90 | 85 | addition, foundation, interior_remodel | Jul 2004 |
| 10 | LA CANADA AIR CONDITIONING INC | 88 | 55 | electrical, hvac, interior_remodel | Jul 2004 |
| 11 | NUMBER 1 STATE PLUMBING | 82 | 37 | plumbing | Jul 2004 |
| 12 | GEORGE HANEY & SON INC | 81 | 50 | electrical, hvac, mechanical | Jul 2004 |
| 13 | ADVANCE FIRE PROTECTION CO INC | 74 | 91 | addition, demolition, electrical | Jul 2026 |
| 14 | MUIR-CHASE PLUMBING CO INC | 71 | 90 | demolition, electrical, hvac | May 2026 |
| 15 | AMC AJEMIAN MECHANICAL COMPANY | 70 | 22 | electrical, hvac, mechanical | Jul 2004 |
| 16 | Talbott Electric | 68 | 36 | electrical, interior_remodel | Jul 2004 |
| 17 | A J CONTRACTING OF CALIFORNIA | 66 | 44 | electrical, interior_remodel, mechanical | Jun 1992 |
| 18 | CAMPAGNA ROOFING | 64 | 73 | roofing | Jun 2026 |
| 19 | RIVAS ROOFING INC | 63 | 79 | roofing | Jul 2026 |
| 20 | HENRIK PLUMBING COMPANY | 63 | 22 | plumbing | Jul 2004 |
| 21 | Johnston & Associates, Inc. | 57 | 47 | demolition, electrical, fire_alarm | May 2004 |
| 22 | Arnola Plumbing Inc | 56 | 37 | plumbing | Jul 2004 |
| 23 | A-1 All American Roofing Co | 55 | 93 | renovation, roofing, sign | Aug 2004 |
| 24 | REGENCY FIRE PROTECTION INC | 55 | 78 | addition, electrical, fire_alarm | Aug 2004 |
| 25 | MASTERSERV INC | 54 | 67 | electrical, interior_remodel, plumbing | Jul 2008 |
"Score" is a 0–100 activity index from permit volume, recency, project value, and geographic reach. "Permits" counts building permits this contractor pulled in Pasadena (CA).
Query contractors, scores, and permits programmatically — GET /v1/contractors/search?state=CA&sort=score