10 top-rated leak repair contractors serving Johnston
Johnston 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 63; the thickest is 373. Rating aside, ask whoever answers in Johnston whether they'll find the source before they quote a fix.
Google Maps ratings checked · How we rank
36.2 innormal precipitation a year
Johnston's rain, by the numbers
Johnston averages 36.2 inches of rain a year, per NOAA's 1991-2020 climate normals.
June is typically the wettest single month, averaging 5.3 inches on its own.
That's the stretch of the year a small, contained leak in Johnston 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 3.1 mi away.
Storm risk near Johnston
On FEMA's county-level hazard index, wind risk around Johnston comes in at Very High.
A hard wind event can lift shingle edges or shift flashing on a Johnston 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 Johnston homeowner after a windy night.
- Hail
- Relatively High
- 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).
10 top-rated roof leak repair companies near Johnston
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.
Wagoner Roofing
Roofing contractor
- Google rating
- Reviews
- 225
- Area
- Urbandale 50322
RoofSmart
Roofing contractor
- Google rating
- Reviews
- 200
- Area
- Johnston 50131
Omni Exteriors, LLC
Roofing contractor
- Google rating
- Reviews
- 79
- Area
- Grimes 50111
Right Roofing & Siding
Roofing contractor
- Google rating
- Reviews
- 373
- Area
- Urbandale 50322
Robison Construction
Roofing contractor
- Google rating
- Reviews
- 70
- Area
- Urbandale 50322
Hutch Unlimited Roofing
Roofing contractor
- Google rating
- Reviews
- 64
- Area
- Grimes 50111
TMJ Construction Services
Roofing contractor
- Google rating
- Reviews
- 63
- Area
- Grimes 50111
Shamrock Roofing and Construction
Roofing contractor
- Google rating
- Reviews
- 154
- Area
- Urbandale 50322
Titan Roofing & Exteriors
Roofing contractor
- Google rating
- Reviews
- 154
- Area
- Grimes 50111
Ultimate Exteriors
Roofing contractor
- Google rating
- Reviews
- 150
- Area
- Des Moines 50310
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?