Free roof inspection with deck photos before we talk money - GAF and Owens Corning certified installation
Fast, Reliable Roof Repair Across University of California-Davis
Roof repair in University of California-Davis, CA typically runs between $350 and $1,800 depending on what’s failing. Small leak repairs around vent boots or flashing start near $350, while larger jobs like replacing rotted decking or resetting solar panels over a repaired section can push past $1,800. If you’re seeing stains on the ceiling or shingle granules in the gutters, call Mercer Roofing at (743) 200-8347. We’ll send a technician whose name and photo you receive before they arrive.
Davis roofs face conditions most inland California roofers never plan for. The Delta Breeze pushes salt air through town most afternoons, the summer heat bakes shingles brittle, and city hall’s green-building checklist adds a paperwork step to nearly every permit. That combination means Roof Repair here is less about patching and more about using materials that won’t corrode, crack, or fail inspection. We know the difference because we work University of California-Davis homes every week.
Whether you own a 1970s ranch near campus or a student rental on the north side, we’ll give you a written price before any work starts. A live person answers our phone 24/7. Call (743) 200-8347 for a free estimate.
- Most roof repairs in University of California-Davis cost $350 – $1,800, with solar panel removal and reinstallation adding $800 – $1,500 when applicable.
- Davis’s Delta Breeze salt air corrodes standard galvanized fasteners within 5 – 7 years. We specify stainless steel or hot-dip galvanized hardware.
- City permits often trigger cool-roof SRI documentation and solar-ready conduit rough-in requirements, even on repairs.
- Every Mercer Roofing repair includes a written 365-Day Done Right Promise covering labor and materials for one full year.
Why Mercer Roofing Is University of California-Davis’s Preferred Roof Repair Company
Mercer Roofing has been part of the Threshold Group family since 2000, and our University of California-Davis customers consistently tell us the same thing: they called us because another roofer made them feel uncertain about who would show up. That’s the problem we solve first. Every technician who arrives at your door is background-checked, identity-verified, uniformed, and carrying a photo ID badge. Before that, you get their name and photo sent to you. No surprises at the door, ever.
Our crews know Davis roofs specifically. We understand what a 1960s ranch home with a low-pitched roof and original composition shingles is likely hiding underneath. We know which neighborhoods near campus have student rentals where deferred maintenance is common. And we know the city’s green-building checklist well enough to have the cool-roof SRI documentation template ready before the inspector asks for it.
Grant Whitlock leads our team, and he holds every technician to the Threshold Verified standard: background-checked, photo-badged, and dispatched with a clean, marked truck. If you’re home alone or have young kids and don’t want to open the door to a stranger, you’ll know exactly who’s coming before they ring the bell.
Storm Damage Roof Repair in University of California-Davis
Storm Damage Roof Repair in University of California-Davis usually involves shingles lifted by Delta Breeze gusts, flashing torn loose at roof penetrations, or leaks that appear within 24 – 48 hours after a sustained wind event. The afternoon winds that funnel through the Delta corridor regularly exceed 30 mph gusts, and on older composition shingle roofs, those gusts find every weak fastener. Standard repair costs for wind-lifted shingles run $450 – $900, while torn flashing or damaged vent boots add another $300 – $600 depending on how many penetrations are involved. Call (743) 200-8347 and we’ll send a technician who knows what Davis wind does to a roof.
Wind-Uplift Fastener Replacement
When shingles lift here, the problem is almost never the shingle itself. It’s the fastener. Standard electro-galvanized roofing nails corrode in Davis’s salt-laden air within five to seven years, and once the corrosion sets in, the shingle loses its grip. We replace affected fasteners with hot-dip galvanized or stainless-steel hardware and re-seal each shingle with a wind-rated adhesive. This is a $450 – $900 repair on most University of California-Davis homes.
Post-Storm Inspection and Documentation
After a big wind event, we walk the roof, document every lifted shingle and damaged flashing point, and give you a written repair plan with photos. That documentation matters if you’re filing an insurance claim. We don’t push you toward replacement unless the decking or underlayment has failed, and we show you exactly what we found before you spend a dollar.
Metal Roof Repair in University of California-Davis
Metal Roof Repair in University of California-Davis is typically needed at panel seams, fasteners, and flashing junctions where the Delta Breeze’s salt air has accelerated corrosion. Davis doesn’t have miles of metal residential roofs, but the ones that exist, plus metal outbuildings, carports, and solar mounting rails, all face the same enemy: electrolytic corrosion between dissimilar metals. Repairing a leaking standing-seam panel or replacing corroded neoprene washers on screw-down metal panels runs $500 – $1,200 depending on how many fasteners are compromised. Call (743) 200-8347 for a written quote.
Fastener and Gasket Replacement on Metal Panels
The most common metal roof failure we see in University of California-Davis is the neoprene washer on panel screws. After five to seven years of UV exposure from those 60-plus days above 100°F, the washers dry out, crack, and let water wick down the fastener shaft. We replace every screw with a stainless-steel fastener and an EPDM gasket, which costs $500 – $900 for a typical residential panel roof.
Seam and Flashing Sealant Failure
At panel overlaps and where metal meets chimney or pipe flashing, old sealant fails under thermal cycling. Davis’s 40-degree daily temperature swings in spring and fall work caulk hard. We strip the old sealant, mechanically secure the seams, and apply a UV-stable polyether sealant rated for continuous movement. That repair runs $600 – $1,200 depending on seam length.
Trusted Brands We Service in University of California-Davis
We install and repair shingle systems from GAF, CertainTeed, and Owens Corning, and we stock common color-match shingles and flashing components for University of California-Davis customers so a repair doesn’t wait on a supplier. If your roof has IKO or Atlas shingles installed by a previous owner, we can match those too. For metal roofs, we carry stainless-steel fasteners and EPDM gaskets on our trucks because we know Davis’s salt air makes them the only sensible spec. Fast turnaround matters here, and having the right materials on the truck is how we deliver it.
Common Roof Repair Problems We See in University of California-Davis Homes
- Corroded flashing and fasteners. The Delta Breeze’s salt air attacks standard galvanized metal faster than homeowners expect. We routinely find flashing rusted through at chimneys and vent pipes on homes only 10 – 12 years old. Replacing those sections with stainless or hot-dip galvanized metal is the fix that lasts.
- Brittle shingles from extreme heat. Davis sees more than 60 days above 100°F each year. That UV load turns cheap architectural shingles brittle, and they crack at valleys, penetrations, and anywhere the roof flexes. We see this most on 1980s ranch homes nearing end of life.
- Hidden decking rot in student-rental properties. Around campus, landlord deferral means shingles often look okay while the underlayment beneath has failed. The repair becomes a deck replacement once we lift the surface. This is a Davis-specific pattern we’ve learned to check for on every rental property inspection.
- Solar panel mounting leaks. Davis has one of California’s highest per-capita solar penetration rates. When panels were installed by crews that used standard lag bolts and sealant, those penetrations eventually leak. We remove panels in-house, repair the roof properly, and reinstall with stainless hardware and compression-sealed mounts.
Pricing for Roof Repair in University of California-Davis, CA
Here’s what we quote in the University of California-Davis market, based on the repair types we handle most often:
| Repair Type | Typical Cost in Davis |
|---|---|
| Vent boot or small flashing leak | $350 – $650 |
| Wind-lifted shingle replacement (zone repair) | $450 – $900 |
| Valley leak repair with new flashing | $700 – $1,400 |
| Decking replacement (per 4×8 sheet, including labor) | $150 – $250 per sheet, most jobs replace 3 – 12 sheets |
| Solar panel removal, storage, and reinstallation | $800 – $1,500 depending on array size |
Every quote is a written, line-item price before work starts. We don’t issue change orders unless you approve a specific, written scope change. And every repair includes our 365-Day Done Right Promise: if it’s not right within a year, we make it right, including a free second visit if the repair fails. Call (743) 200-8347 to schedule your free estimate.
What Davis’s Green-Building Checklist Means for Your Repair
University of California-Davis has a municipal green-building checklist that triggers at permit submission. Even a straightforward residential tear-off or decking replacement can require cool-roof compliance documentation, specifically a minimum Solar Reflectance Index value, and solar-ready conduit rough-in verification if you have or plan to add panels. The paperwork step doesn’t exist 15 miles east in Sacramento. If your roofer doesn’t know it’s coming, the inspection gets delayed and your open roof sits exposed longer than it should.
On a 1970s ranch home near the UC Davis campus, we found the original three-tab architectural shingles still on the roof but the underlayment had failed and the decking was rotted at the valleys. Our crew removed the solar array in-house, replaced 12 sheets of decking, installed new ice and water shield in the valleys, and re-set the panels with stainless-steel lag bolts. We added a new drip edge and ridge vent before final inspection, where the city required cool-roof SRI paperwork, handled same day because we keep that documentation template ready.
That’s the difference between a roofer who works Davis and one who drives up from elsewhere. We don’t get surprised by city hall. Roof Repair in University of California-Davis is what we do every week.
We Also Serve Cities Near University of California-Davis
While this page focuses on University of California-Davis, our crews also handle roof repair in Los Angeles, San Diego, San Jose, and San Francisco. If you own property in multiple California markets, one call to (743) 200-8347 coordinates everything. Each location operates independently under the Threshold Verified standard, so you get the same badge-at-the-door guarantee wherever the work happens.
Serving University of California-Davis, CA - Our Local Coverage Area
We’re based in the University of California-Davis area and know this community well. Use the map below to see our service coverage - if you’re nearby, we can almost certainly help.
FAQs About Roof Repair in University of California-Davis
A Sacramento roofer will often quote $100 – $300 less because they’re specifying standard galvanized fasteners, standard sealant, and they’re not accounting for Davis’s cool-roof paperwork step at inspection. The cheap spec fails within five to seven years in Delta Breeze salt air, at which point you pay again. We quote stainless-steel or hot-dip hardware and marine-grade sealants because a University of California-Davis repair that lasts costs less than a cheap one done twice. Call (743) 200-8347 for an exact quote.
If the repair area is under your array, yes, and we handle that in-house. We remove panels, store them safely on site, complete the roof repair, and reinstall with stainless-steel lag bolts and compression-sealed mounts. Expect to add $800 – $1,500 to the repair cost depending on array size. If the repair area isn’t under the panels, we can often work around them without removal.
We recommend architectural shingles from GAF, CertainTeed, or Owens Corning with stainless-steel or hot-dip galvanized fasteners for any re-roof or repair in University of California-Davis. For flashing and vent boots, stainless steel or hot-dip galvanized only, never standard electro-galvanized. The Delta Breeze’s salt load and 60-plus days above 100°F make those specs non-negotiable here.
When your repair requires a permit, the city’s green-building checklist may require documentation that your roofing material meets a minimum Solar Reflectance Index. For shingle repairs, the shingle manufacturer’s published SRI value usually satisfies the requirement. The paperwork is the real issue. We keep the documentation template ready so inspection isn’t delayed, and we’d rather handle it than leave you standing in front of a city inspector with no answer.
Granules in the gutters, shingles that look curled or cracked at the edges, dark staining on the ceiling after wind events, and flashing that shows rust at pipes or chimneys all point toward repairable problems. If the decking beneath has rotted, which we see often in student-rental properties around campus, repair becomes replacement of those decking sections, not the whole roof. We’ll show you photos and give you a written recommendation before any work starts. Call (743) 200-8347 and we’ll schedule an inspection.
Call Mercer Roofing for Roof Repair in University of California-Davis, CA
You’ll get a written price before any work starts. You’ll know exactly who’s coming to your door, with their name and photo sent ahead of time. And you’ll have a 365-Day Done Right Promise behind every repair. That’s how we work in University of California-Davis. Call (743) 200-8347 to schedule your free estimate today.
Written by Grant Whitlock, Owner at Mercer Roofing, serving University of California-Davis homeowners with roof repair, roof installation, and solar-coordinated re-roofing. Part of the Threshold Group family, founded in 2000.






Before
After
Before
After
Before
After