Top-rated roof leak repair near Gaithersburg, MD
Gaithersburg has 10 top-rated leak repair companies on this page, pulled from Google rather than a state file. The thinnest review count among them is 47; the thickest is 1,170. Rating aside, ask whoever answers in Gaithersburg whether they'll find the source before they quote a fix.
Google Maps ratings checked · How we rank
41.3 innormal precipitation a year
Rainfall in Gaithersburg
Gaithersburg averages 41.3 inches of rain a year, per NOAA's 1991-2020 climate normals.
September is typically the wettest single month, averaging 4.0 inches on its own.
That's the stretch of the year a small, contained leak in Gaithersburg 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 4.1 mi away.
What federal hazard data shows for Gaithersburg
On FEMA's county-level hazard index, wind risk around Gaithersburg comes in at Relatively High.
A hard wind event can lift shingle edges or shift flashing on a Gaithersburg 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 Gaithersburg homeowner after a windy night.
- Hail
- Relatively High
- Strong wind
- Relatively High
- Hurricane
- Relatively Moderate
- Wildfire
- Very Low
Data: FEMA, National Risk Index for Natural Hazards - County-level table, v1.20 (v1.20, December 2025).
Top-rated leak repair contractors serving Gaithersburg, MD
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.
Keystone Building and Restoration, LLC
Roofing contractor
- Google rating
- Reviews
- 293
- Area
- Gaithersburg 20877
GoodGood Roofing & Siding
Roofing contractor
- Google rating
- Reviews
- 223
- Area
- Gaithersburg 20877
ARHT Home Solutions Roofing & Siding
Roofing contractor
- Google rating
- Reviews
- 179
- Area
- Derwood 20855
Capitol Improvements - Gaithersburg Roofing Company & Siding Contractors
Roofing contractor
- Google rating
- Reviews
- 161
- Area
- Gaithersburg 20879
American Custom Contractors
Roofing contractor
- Google rating
- Reviews
- 695
- Area
- Rockville 20855
Moose Exteriors
Roofing contractor
- Google rating
- Reviews
- 47
- Area
- Gaithersburg 20877
BRAX Roofing
Roofing contractor
- Google rating
- Reviews
- 495
- Area
- Gaithersburg 20879
Shanco Roofing
Roofing contractor
- Google rating
- Reviews
- 414
- Area
- Gaithersburg 20879
D&M Roofing and Home Remodeling
Roofing contractor
- Google rating
- Reviews
- 49
- Area
- Gaithersburg 20877
MLM Home Improvement
Roofing contractor
- Google rating
- Reviews
- 1,170
- Area
- Gaithersburg 20877
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?