The 25 contractors pulling the most building permits in Buffalo, ranked by PermitStack's activity score — built from 277,792 permits on file. Updated from live public records.
| # | Contractor | Permits | Score | Top trades | Last permit |
|---|---|---|---|---|---|
| 1 | GREER ELECTRIC | 3,404 | 82 | electrical, hvac, renovation | Dec 2025 |
| 2 | ZACHER ELECTRIC | 3,197 | 84 | electrical, ev_charger, hvac | Oct 2026 |
| 3 | T-MARK PLUMBING | 3,044 | 86 | electrical, hvac, interior_remodel | Sep 2026 |
| 4 | AFFORDABLE ELECTRIC SERVICES | 2,618 | 86 | electrical, ev_charger, hvac | Oct 2026 |
| 5 | COMMUNITY ELECTRIC | 2,148 | 100 | addition, electrical, fire_alarm | Sep 2026 |
| 6 | ZINZOLA PLUMBING & HEATING | 1,810 | 51 | electrical, hvac, plumbing | Jan 2021 |
| 7 | BRADY ELECTRIC LLC | 1,801 | 98 | demolition, electrical, ev_charger | Oct 2026 |
| 8 | SURETY CONSTRUCTION COMPANY | 1,712 | 87 | addition, demolition, electrical | Sep 2019 |
| 9 | O S CONSTRUCTION LLC | 1,680 | 61 | electrical, hvac, interior_remodel | May 2018 |
| 10 | BLACK ROCK ROOFING | 1,640 | 84 | fence, foundation, renovation | Apr 2026 |
| 11 | ROY'S PLUMBING | 1,332 | 83 | hvac, mechanical, plumbing | Feb 2026 |
| 12 | METRO CONTRACTING & ENVIRONMEN | 1,313 | 71 | demolition, hvac, interior_remodel | Nov 2023 |
| 13 | Roto-Rooter Services Co | 1,311 | 98 | electrical, hvac, interior_remodel | Jan 2022 |
| 14 | RIES ELECTRICAL CONSTRUCTION | 1,282 | 58 | electrical, hvac, roofing | Aug 2022 |
| 15 | PCS PLUMBING & HEATING | 1,158 | 86 | addition, electrical, hvac | Sep 2026 |
| 16 | FREY ELECTRIC CONSTRUCTION INC | 1,134 | 89 | addition, demolition, electrical | Aug 2026 |
| 17 | ANTHONY HERTEL HARDWARE & PLUMBING | 1,126 | 86 | electrical, hvac, interior_remodel | Sep 2026 |
| 18 | EMPIRE DISMANTLEMENT CORP | 960 | 79 | demolition, hvac, interior_remodel | Jun 2025 |
| 19 | FRANK'S COMMERCIAL AND HOME SE | 947 | 85 | electrical, fence, foundation | Oct 2026 |
| 20 | THE PLUMBER HEATING COOLING | 937 | 83 | hvac, interior_remodel, plumbing | Sep 2026 |
| 21 | CEF ENTERPRISES | 929 | 81 | electrical, foundation, hvac | Aug 2026 |
| 22 | EMPIRE ELECTRIC ENT LLC | 903 | 80 | electrical, solar | Sep 2026 |
| 23 | Melton Electric, INC | 872 | 99 | addition, electrical, hvac | Aug 2026 |
| 24 | ZWICKS HOME IMPROVEMENT (HIM) | 853 | 80 | addition, foundation, new_construction | Nov 2025 |
| 25 | FERGUSON ELECTRIC CONSTRUCTION | 843 | 73 | electrical, ev_charger, fire_alarm | 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.
Query contractors, scores, and permits programmatically — GET /v1/contractors/search?state=NY&sort=score