The 12 contractors pulling the most building permits in Mankato, ranked by PermitStack's activity score — built from 100,245 permits on file. Updated from live public records.
| # | Contractor | Permits | Score | Top trades | Last permit |
|---|---|---|---|---|---|
| 1 | PERMIT CONTRACTOR CONVERTED | 21 | 39 | demolition, hvac, interior_remodel | Nov 2001 |
| 2 | COMPLETE BASEMENT SYSTEMS | 1 | 84 | battery, electrical, foundation | Apr 2026 |
| 3 | M&M CONSTRUCTION | 1 | 67 | addition, demolition, electrical | Mar 2026 |
| 4 | Unique Designs Construction | 1 | 47 | interior_remodel | Jun 2026 |
| 5 | Milton Johnson Roofing Company | 1 | 44 | roofing | Jun 2026 |
| 6 | Mosher Construction LLC | 1 | 43 | interior_remodel | May 2026 |
| 7 | 30-30 Concrete Inc | 1 | 42 | interior_remodel | Apr 2026 |
| 8 | Lacina Siding & Windows, INC | 1 | 42 | — | May 2026 |
| 9 | HENNINGER CONSTRUCTION LLC | 1 | 29 | — | May 2026 |
| 10 | NORTHWINDS PLUMBING & HEATING | 1 | 28 | plumbing | Apr 2026 |
| 11 | GLOWING HEARTH & HOME | 1 | 17 | interior_remodel | — |
| 12 | SUBURBAN LIGHTING INC | 1 | 4 | sign | — |
"Score" is a 0–100 activity index from permit volume, recency, project value, and geographic reach. "Permits" counts building permits this contractor pulled in Mankato.
Query contractors, scores, and permits programmatically — GET /v1/contractors/search?state=MN&sort=score