Find where your Winthrop Harbor roof is leaking
Winthrop Harbor has 3 roofing companies on record that handle leak repair. Local rain and storm data for Winthrop Harbor is below the list.
Licenses checked · Illinois Department of Financial and Professional Regulation
35.3 innormal precipitation a year
Winthrop Harbor's rain, by the numbers
Normal annual precipitation near Winthrop Harbor runs 35.3 inches, according to federal climate data.
A roof that's held up fine through a dry stretch can still fail once Winthrop Harbor hits its wettest weeks in June.
That seasonal jump is worth keeping in mind if a leak in Winthrop Harbor seems to appear out of nowhere.
Data: NOAA National Centers for Environmental Information, U.S. Climate Normals 1991-2020 (annual/seasonal and monthly, by station) (1991-2020), from the nearest NOAA station 4.8 mi away.
Storm risk near Winthrop Harbor
On FEMA's county-level hazard index, wind risk around Winthrop Harbor comes in at Very High.
A hard wind event can lift shingle edges or shift flashing on a Winthrop Harbor roof just enough to start a leak that wasn't there the week before.
A post-storm look at the roof is a reasonable habit for any Winthrop Harbor homeowner after a windy night.
- 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).
Roof leak repair contractors based in Winthrop Harbor
Alphabetical by business name, nothing more. Speed and quality aren't part of the sort.
Arnst Construction
Roofing contractor
- License
- Roofing Contractor · 104011362
- Since
- 1998
- Expires
- Dec 31, 2027
- ZIP
- 60096
BNW Contractors INC
Roofing contractor
- License
- Roofing Contractor · 104020224
- Since
- 2025
- Expires
- Dec 31, 2027
- ZIP
- 60096
JLH Roofing
Roofing contractor
- License
- Roofing Contractor · 104013801
- Since
- 2002
- Expires
- Dec 31, 2027
- ZIP
- 60096
Questions to ask a {city} roof leak repair company
- Can you find the actual source before you quote a repair, not just patch where the ceiling is wet?
- Is this a contained repair, or does it point to a bigger problem with the roof?
- Will you check the attic and insulation for existing water damage, not just the roof surface?
- What's your timeline if it's actively raining versus once it's dry?
- Do you offer a temporary tarp while a full repair is scheduled?
- What's covered by a workmanship warranty on the repair itself?