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Roof repair begins with an inspection and photos, followed by a written scope and price.
Roofers Hotline books roof repair in Modesto and 5 towns across Stanislaus, San Joaquin and Merced counties from one number, (855) 512-1072. Calls are picked up 24/7, and no work starts without a written estimate.
Census figures put 55% of homes inside the city limits before 1980, so a replacement estimate is written beside most repair estimates.
Water often travels along rafters before it shows on a ceiling, so the stain is rarely under the opening. In a city where about 55% of homes were built before 1980, older layers and past patches make the path harder to read. Call to have the source traced and written up.
The metro sees about 90 days a year at 90 degrees or higher in the 1991 to 2020 climate normals, and that heat dries shingles until they curl or crack. Damaged ones are replaced and the surrounding area is checked for more. Call to book the shingle repair.
Flashing seals the joints where water likes to enter, and sealant breaks down under years of heat and wind. NOAA's records list 2 damaging thunderstorm wind events in Stanislaus County since 2015, which can loosen it. Call to have each joint resealed.
The rubber on a pipe boot cracks with sun exposure, and it is a common spot for a small leak. With the median local home built in 1978, original boots are likely long past their best. Call and ask for them to be checked during the visit.
Step by step, from the first call to the written estimate, the work is explained under how roof repair works.
Roof repair in Modesto starts with finding where the water actually gets in, then replacing damaged shingles, resealing flashing, swapping cracked pipe boots and patching soft decking. You get a written estimate before any work starts, so you know the scope before anything is touched.
The metro has a median build year of 1978 by Census estimates for 2019 to 2023, and about 90 days a year reach 90 degrees or higher, so older roofs here take a lot of sun. Call Roofers Hotline to book the repair visit.
Modesto's storm record is not about hail. NOAA's storm records since 2015 show no hail of one inch or larger in Stanislaus County, but they do list 4 tornadoes and 2 damaging thunderstorm wind events. The most recent federal disaster declaration, on April 3, 2023, covered severe winter storms, straight-line winds, flooding, landslides and mudslides. So the visit looks for wind-lifted shingles, loose flashing and water entry points, and the written estimate lists each one separately. Call to schedule the inspection.
The visit itself is covered under Modesto roof inspection, which serves 46 ZIP codes.
Sources: NOAA Storm Events (Stanislaus County); OpenFEMA declarations (Stanislaus County); U.S. Census ACS 2019 to 2023. Updated October 2026.
Say a water stain spreads across a bedroom ceiling after a rainy week. In Modesto, with only about 12 inches of rain a year in the 1991 to 2020 climate normals, a stain usually means one small failure, such as a lifted shingle or a dried-out vent boot, has been letting water in. Other signs are granules in the gutters, curling or missing shingles after wind, and daylight through the attic deck. Photograph from the ground, do not climb the roof, and call.
Costs
| Job | Range | Per unit |
|---|---|---|
| Roof repair, minor (a few shingles, a boot, sealant) | $100–$1,500 | per job |
| Roof repair, moderate (a section, valley or underlayment) | $1,000–$3,000 | per job |
| Roof repair, major (decking, structure, a whole plane) | $1,500–$15,100 | per job |
| Roof leak repair | $400–$1,600 | per job |
| Flashing repair (chimney, wall, vent) | $200–$600 | per job |
Full roof cost breakdown for this metro.
Typical range for this metro, built from published ranges and the local labor index (1.01); a written estimate depends on pitch, layers and decking.
Not a quote: typical 2026 ranges from published cost guides and Census County Business Patterns 2022 payroll data; your written estimate depends on pitch, layers and decking.
Source: published 2026 cost guides (Fixr, Today's Homeowner, Bob Vila) and Census County Business Patterns 2022 roofing-contractor payroll.
Through the same number, homeowners also book metal roofing across this metro, with a photographed inspection ahead of the estimate.
Why call
About 55% of homes in Modesto were built before 1980, compared with 48% across Stanislaus County, so many roofs here have decades of sun and wind behind them. Book a repair when you see a stain or missing shingles, and before the next winter storm, since the last federal declaration in 2023 included straight-line winds and flooding. You get an inspection of the roof and attic, a written estimate of what needs fixing, and then the repair itself. Call to set up the visit.
To book this service in another town, about 8 miles out, start with our coverage of Hughson.
California licensing: California requires roofing contractors to hold a CSLB license, usually the C-39 Roofing classification. Look up any license at CSLB.
Questions
It covers finding the real source of a leak, replacing damaged, lifted or missing shingles, resealing flashing, replacing cracked pipe boots and vent collars, and patching softened decking. A written scope comes before work starts. Call Roofers Hotline to book the visit and ask for the written estimate.
No. NOAA's storm records since 2015 show no hail of one inch or larger in Stanislaus County, and the largest hail on record was 0.5 inches. Wind, sun and age do more damage here. If shingles look lifted or worn, call for an inspection.
California requires roofing contractors to hold a CSLB license, usually the C-39 Roofing classification. Look up any license at CSLB before you agree to work. When you call Roofers Hotline, ask for the written estimate and check the license details against it.
It is safer to stay off the roof. Take photos from the ground, move belongings out from under the stain, and note when the water showed up. The leak source is often far from the wet spot, so call for a roof repair visit.
Homeowners across the metro also ask How long does a roof last?
The same county storm and housing records feed our local guide to common roof problems here. For the longer read, see the local guide to roof emergency warning signs, built from this county's own records.
Takes about a minute. Tell us the ZIP code and what the roof is doing, and a local roofer calls you back to book an inspection and written estimate.
Start your requestOr call: the number at the top of this page is answered 24/7.