Storm Damage Repair in Mill Valley, CA
When a winter storm tears through Mill Valley, your roof takes the brunt of it—hail, wind, and debris can leave hidden damage that worsens fast. I've spent over a decade inspecting and repairing storm-damaged roofs across Marin County, and I know exactly what to look for. Whether it's missing shingles from a 60-mph gust or a leak that appeared after last night's rain, we respond quickly to secure your home and stop further damage.
Call (628) 345-3445What Does Storm Damage Repair Involve?
Storm damage repair goes beyond patching a visible hole. It's a systematic process of assessing all impact points—from ridge caps to flashing valleys—and restoring your roof's water-shedding integrity. In Mill Valley, where coastal storms bring both wind-driven rain and occasional hail, the most common repairs involve replacing torn or lifted asphalt shingles, resealing exposed nail heads, and re-anchoring loose flashing around chimneys and skylights. We also address underlying deck damage if moisture has penetrated the underlayment. Every repair uses materials matched to your existing roof—same color, same brand, same warranty class—so the fix blends seamlessly and holds up to our local weather.
How Much Does Storm Damage Repair Cost in Mill Valley?
Costs vary widely based on the extent of damage, roof pitch, and material type. For minor repairs—replacing a few shingles or resealing a small leak—you'll typically pay between $350 and $1,200. Moderate damage, such as repairing a section of flashing or replacing a 10x10-foot area of underlayment, runs $1,500 to $4,000. Full storm restoration on a steep-slope roof with multiple penetrations can reach $6,000 to $12,000. I always provide a detailed written estimate before any work begins, and we help you navigate your insurance claim to maximize coverage.
Signs Your Mill Valley Home Needs Storm Damage Repair
What are the first signs of storm damage on a roof?
After a storm, look for missing or curled shingles, dents in metal flashing or gutters, granules in downspouts, and water stains on interior ceilings. Also check for lifted ridge caps and debris impact marks around vents and skylights.
- Missing, cracked, or curled asphalt shingles on windward slopes
- Dents or dimples on metal flashing, gutters, or downspouts from hail
- Excessive granules in gutters or downspouts (indicates hail or wind abrasion)
- Water stains or drips on attic insulation or ceiling drywall
- Lifted or loose ridge caps and hip shingles
- Damaged or separated flashing around chimneys, skylights, or vent pipes
- Debris impact marks (cracked tiles, torn underlayment) near tree branches
- Sudden spike in energy bills (signs of compromised ventilation from lifted materials)
Step-by-Step Storm Damage Repair Process
- Emergency Tarp & Inspection (24-48 hours): We arrive within a day of your call to apply a waterproof tarp over any exposed areas, preventing interior water damage. Then we conduct a full roof inspection, documenting all damage with photos and measurements for your insurance adjuster.
- Material Sourcing & Matching (1-3 days): We order exact-match shingles, tiles, or metal panels from our local suppliers in San Rafael. For specialty materials like Spanish clay tiles or cedar shakes, we source from regional distributors to ensure color and texture consistency.
- Structural Repair & Deck Replacement (2-4 days): We remove damaged roofing layers, replace any rotted or waterlogged plywood decking, and install new synthetic underlayment. This step ensures the substrate is solid and moisture-proof before new materials go on.
- Installation of New Roofing Materials (1-3 days): We install matching shingles, tiles, or metal panels using manufacturer-specified fasteners and sealants. Flashing, ridge caps, and vent boots are replaced or re-sealed to factory standards. All work meets or exceeds 2024 California Building Code requirements.
- Final Inspection & Cleanup (1 day): We walk the roof with you to verify all repairs, then perform a magnetic sweep of your property to collect stray nails and debris. Gutters are flushed, and we provide a written warranty certificate for all work performed.
Insurance and Warranty for Storm Damage Repair
Most Mill Valley homeowners' policies cover storm damage, but the claims process can be confusing. We work directly with your insurance company—providing detailed estimates, photographs, and code-compliance documentation—so you don't have to haggle. Our work carries a 5-year workmanship warranty on all storm repairs, and manufacturer warranties on materials (typically 25-50 years for asphalt shingles). We also handle supplemental claims if additional damage is discovered during the repair process.
Why Mill Valley's Climate Makes Storm Damage Unique
Mill Valley sits in a coastal microclimate where fog, wind, and sudden downpours are common from November through March. The combination of salt air and moisture accelerates corrosion on exposed fasteners and flashing. Redwood and oak trees overhanging many homes drop branches that can puncture or scrape roofing materials. Our repair methods account for these factors: we use stainless steel fasteners, marine-grade sealants, and extra nail patterns on windward slopes. We also recommend annual inspections after every major storm season to catch small issues before they turn into leaks.
What's Included
- Emergency tarp and water mitigation within 24 hours of your call
- Full roof inspection with photo documentation for insurance claims
- Removal and disposal of damaged shingles, tiles, or metal panels
- Replacement of rotted or water-damaged plywood decking
- Installation of new synthetic underlayment (Grace Ice & Water Shield in valleys)
- Exact-match asphalt shingles or custom-order clay tiles from local suppliers
- Re-flashing of chimneys, skylights, and vent pipes with galvanized steel
- 5-year workmanship warranty and manufacturer materials warranty
Our Storm Damage Repair Process
- Emergency Response & Tarp (24 hours): We arrive within 24 hours to apply a heavy-duty tarp over exposed areas, preventing interior water damage. We document all damage with photos and measurements for your insurance adjuster.
- Damage Assessment & Material Ordering (1-3 days): We conduct a thorough inspection of the entire roof, including flashing, gutters, and attic. We order exact-match materials from local suppliers in San Rafael—typically delivered in 2-3 days.
- Structural Repair & Underlayment (2-4 days): We remove damaged roofing, replace any rotted decking, and install new synthetic underlayment. All fasteners are stainless steel to resist Mill Valley's coastal moisture.
- New Roofing Installation (1-3 days): We install matching shingles, tiles, or metal panels using manufacturer-specified methods. Ridge caps, flashings, and vent boots are replaced or resealed.
- Final Inspection & Cleanup (1 day): We walk the roof with you to confirm all repairs. Then we magnet-sweep the property, flush gutters, and provide a written warranty certificate.
Signs You Need Storm Damage Repair
Warning Signs Your Mill Valley Roof Has Storm Damage
- Missing, cracked, or curled asphalt shingles on windward slopes
- Dents or dimples on metal flashing, gutters, or downspouts from hail
- Excessive granules in gutters or downspouts (indicates hail or wind abrasion)
- Water stains or drips on attic insulation or ceiling drywall
- Lifted or loose ridge caps and hip shingles
- Damaged or separated flashing around chimneys, skylights, or vent pipes
- Debris impact marks (cracked tiles, torn underlayment) near tree branches
- Sudden spike in energy bills (signs of compromised ventilation from lifted materials)
Don't just take our word for it — hear from our satisfied customers.
“After the big December storm, we had water dripping through our kitchen ceiling. Millvalley Roof Repair came out the same day, tarped the exposed area, and handled our insurance claim paperwork. The repair was seamless—you can't even tell where the damage was. We're in the Homestead Valley neighborhood.” — Sarah T.
“I called three roofers after a windstorm tore shingles off our Sycamore Park home. Millvalley was the only one who gave me a detailed estimate with material specs and a timeline. They replaced 12 squares of shingles, re-flashed the chimney, and cleaned up every nail. Professional from start to finish.” — Mark R.
“Our old Spanish tile roof took hail damage during a spring storm. Millvalley sourced matching tiles from a distributor in San Rafael and repaired 20 broken pieces. They even resealed the ridge caps. The roof looks better than before. We're off Miller Avenue.” — Linda K.
Ready to get started? Call us today at (628) 345-3445 for a free estimate.
Free estimates · GAF Master Elite certified · 25-year warranty
Call (628) 345-3445