Verify a Winthrop Harbor roofer before you sign
Winthrop Harbor has 3 roofing licenses on file that we track. If a bid you're holding isn't on this list, that's worth asking about directly.
Licenses checked · Illinois Department of Financial and Professional Regulation
25median years licensed
License records for Winthrop Harbor
Winthrop Harbor has 3 roofing licenses on file, the oldest dating to 1998.
67% of them have been active for 10 years or more.
Search any of Winthrop Harbor's licenses by name below before you take a bid at face value.
Data: Illinois Department of Financial and Professional Regulation license records, checked 2026-09-30.
Search 3 licensed residential roofers based in Winthrop Harbor
Listed A to Z by business name. Search by name or license number; this isn't a ranking.
- Arnst Construction104011362Roofing ContractorExpires Dec 31, 2027Verify license
- BNW Contractors INC104020224Roofing ContractorExpires Dec 31, 2027Verify license
- JLH Roofing104013801Roofing ContractorExpires Dec 31, 2027Verify license
Storm risk near Winthrop Harbor
Wind risk near Winthrop Harbor rates Very High on FEMA's county hazard index.
A bad windstorm is the other classic trigger for door-to-door roofing pitches in Winthrop Harbor.
Keep this page bookmarked before Winthrop Harbor's next one arrives, not during it.
- Hail
- Relatively Moderate
- Strong wind
- Very High
- Hurricane
- Very Low
- Wildfire
- Very Low
Data: FEMA, National Risk Index for Natural Hazards - County-level table, v1.20 (v1.20, December 2025).