The 25 contractors pulling the most building permits in Buffalo, ranked by PermitStack's activity score — built from 275,950 permits on file. Updated from live public records.
| # | Contractor | Permits | Score | Top trades | Last permit |
|---|---|---|---|---|---|
| 1 | GREER ELECTRIC | 3,404 | 83 | electrical, renovation, roofing | Dec 2025 |
| 2 | ZACHER ELECTRIC | 3,176 | 84 | electrical | Jul 2026 |
| 3 | T-MARK PLUMBING | 2,977 | 86 | electrical, plumbing | Aug 2026 |
| 4 | AFFORDABLE ELECTRIC SERVICES | 2,521 | 85 | electrical, solar | Aug 2026 |
| 5 | COMMUNITY ELECTRIC | 2,137 | 99 | addition, electrical, fire_alarm | Aug 2026 |
| 6 | ZINZOLA PLUMBING & HEATING | 1,810 | 51 | plumbing | Jan 2021 |
| 7 | BRADY ELECTRIC LLC | 1,789 | 98 | electrical, fence, hvac | Aug 2026 |
| 8 | SURETY CONSTRUCTION COMPANY | 1,712 | 88 | demolition, electrical, fence | Sep 2019 |
| 9 | O S CONSTRUCTION LLC | 1,680 | 55 | electrical, renovation | May 2018 |
| 10 | BLACK ROCK ROOFING | 1,640 | 84 | renovation | Apr 2026 |
| 11 | ROY'S PLUMBING | 1,332 | 84 | plumbing | Feb 2026 |
| 12 | METRO CONTRACTING & ENVIRONMEN | 1,313 | 72 | demolition, renovation | Nov 2023 |
| 13 | Roto-Rooter Services Co | 1,311 | 98 | electrical, hvac, interior_remodel | Jan 2022 |
| 14 | RIES ELECTRICAL CONSTRUCTION | 1,282 | 59 | electrical | Aug 2022 |
| 15 | PCS PLUMBING & HEATING | 1,142 | 86 | mechanical, plumbing | Jul 2026 |
| 16 | FREY ELECTRIC CONSTRUCTION INC | 1,134 | 89 | electrical, renovation, solar | Aug 2026 |
| 17 | ANTHONY HERTEL HARDWARE & PLUMBING | 1,116 | 86 | plumbing | Aug 2026 |
| 18 | EMPIRE DISMANTLEMENT CORP | 960 | 80 | demolition, renovation | Jun 2025 |
| 19 | THE PLUMBER HEATING COOLING | 933 | 83 | plumbing | Jun 2026 |
| 20 | CEF ENTERPRISES | 929 | 82 | plumbing, renovation | Aug 2026 |
| 21 | FRANK'S COMMERCIAL AND HOME SE | 917 | 85 | plumbing, renovation | Aug 2026 |
| 22 | EMPIRE ELECTRIC ENT LLC | 900 | 80 | electrical | Jul 2026 |
| 23 | Melton Electric, INC | 871 | 100 | addition, electrical, interior_remodel | Aug 2026 |
| 24 | ZWICKS HOME IMPROVEMENT (HIM) | 853 | 81 | renovation | Nov 2025 |
| 25 | FERGUSON ELECTRIC CONSTRUCTION | 843 | 74 | electrical | Oct 2024 |
"Score" is a 0–100 activity index from permit volume, recency, project value, and geographic reach. "Permits" counts building permits this contractor pulled in Buffalo.
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