Top-rated roof leak repair near Mercer Island, WA
Mercer Island has 8 top-rated leak repair companies on this page, pulled from Google rather than a state file. The thinnest review count among them is 12; the thickest is 220. Rating aside, ask whoever answers in Mercer Island whether they'll find the source before they quote a fix.
Google Maps ratings checked · How we rank
36.5 innormal precipitation a year
Rainfall in Mercer Island
Normal annual precipitation near Mercer Island runs 36.5 inches, according to federal climate data.
A roof that's held up fine through a dry stretch can still fail once Mercer Island hits its wettest weeks in November.
That seasonal jump is worth keeping in mind if a leak in Mercer Island 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 mi away.
What federal hazard data shows for Mercer Island
Either one is a common trigger for a sudden new Mercer Island leak rather than a slow, years-long one.
If a Mercer Island leak shows up right after a storm, start with flashing and shingle edges before assuming the worst.
- Hail
- Very Low
- Strong wind
- Very Low
- Wildfire
- Relatively Low
Data: FEMA, National Risk Index for Natural Hazards - County-level table, v1.20 (v1.20, December 2025).
Top-rated leak repair contractors serving Mercer Island, WA
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.
Three Tree Roofing
Roofing contractor
- Google rating
- Reviews
- 50
- Area
- Bellevue 98004
Brooks Roofing & Repair
Roofing contractor
- Google rating
- Reviews
- 35
- Area
- Bellevue 98005
M&H Services LLC
Roofing contractor
- Google rating
- Reviews
- 145
- Area
- Seattle 98118
Paradise Roofing Solutions
Roofing contractor
- Google rating
- Reviews
- 23
- Area
- Mercer Island 98040
SFW Construction
Roofing contractor
- Google rating
- Reviews
- 20
- Area
- Bellevue 98004
Guardian Roofing, Gutters & Insulation
Roofing contractor
- Google rating
- Reviews
- 220
- Area
- Seattle 98144
Bill’s Roofing Pros & Builders
Roofing contractor
- Google rating
- Reviews
- 12
- Area
- Mercer Island 98040
Emerald Roofers Seattle
Roofing contractor
- Google rating
- Reviews
- 12
- Area
- Seattle 98118
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?