Top-rated roof leak repair near Chelmsford, MA
Chelmsford, MA doesn't have a roofer license page, so what's below came from a Google Maps result instead. 10 companies cleared the bar we set, their ratings landing at 4.9 stars on 2,025 reviews. A good rating won't get a crew to Chelmsford any faster during a storm, so say it's an active leak when you call.
Google Maps ratings checked · How we rank
48.5 innormal precipitation a year
Chelmsford's rain, by the numbers
Chelmsford averages 48.5 inches of rain a year, per NOAA's 1991-2020 climate normals.
October is typically the wettest single month, averaging 5.0 inches on its own.
That's the stretch of the year a small, contained leak in Chelmsford tends to turn into a stain worth calling about.
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 3 mi away.
Storm risk near Chelmsford
FEMA rates both hurricane risk (Relatively High) and wind risk (Relatively High) for the county that includes Chelmsford.
Either one is a common trigger for a sudden new Chelmsford leak rather than a slow, years-long one.
If a Chelmsford leak shows up right after a storm, start with flashing and shingle edges before assuming the worst.
- Hail
- Very Low
- Strong wind
- Relatively High
- Hurricane
- Relatively High
- Wildfire
- Relatively Low
Data: FEMA, National Risk Index for Natural Hazards - County-level table, v1.20 (v1.20, December 2025).
10 top-rated roof leak repair companies near Chelmsford
Strongest Google rating first, discounted when a business has barely been reviewed; that's not a license check, so confirm the paperwork before anyone gets on your roof.
JM Exteriors Roofing Siding
Roofing contractor
- Google rating
- Reviews
- 146
- Area
- Lowell 01851
Dempsey Roofing LLC
Roofing contractor
- Google rating
- Reviews
- 135
- Area
- Billerica 01821
Mighty Dog Roofing
Roofing contractor
- Google rating
- Reviews
- 399
- Area
- Westford 01886
Apex Roofing & Restoration
Roofing contractor
- Google rating
- Reviews
- 293
- Area
- Westford 01886
Wooster Roofing
Roofing contractor
- Google rating
- Reviews
- 264
- Area
- Tewksbury 01876
Express Roofing Inc.
Roofing contractor
- Google rating
- Reviews
- 255
- Area
- Not listed
Ranger Roofing Services
Roofing contractor
- Google rating
- Reviews
- 59
- Area
- Lowell 01851
Joe's Roofing Lowell
Roofing contractor
- Google rating
- Reviews
- 193
- Area
- Lowell 01854
Adam Vaillancourt Roofing & Gutters
Roofing contractor
- Google rating
- Reviews
- 183
- Area
- Chelmsford 01824
Salemi Exteriors
Roofing contractor
- Google rating
- Reviews
- 98
- Area
- Billerica 01821
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?