Free roof inspection with deck photos before we talk money - GAF and Owens Corning certified installation
Fast, Reliable Roof Repair Across Cloverdale
Roof repair in Cloverdale costs most homeowners between $325 and $1,850 depending on what failed, and most jobs are completed in a single visit. We work on the specific roofing problems this valley creates: heat-cracked shingles, rusted valley flashing, and storm-damaged eaves on older wood-frame homes. If you’ve spotted a water stain on the ceiling or granules piling up in the gutter, call (743) 200-8347 and we’ll get a written price in your hands before any work starts.
Cloverdale’s position at the northern tip of Sonoma County means your roof takes a beating that coastal homes never see. Summer days routinely hit triple digits in the valley floor, and that heat doesn’t just age shingles, it bakes them until they curl, crack, and shed their protective granules. We know the difference between normal wear and the kind of thermal damage that signals a bigger problem underneath. Our Roof Repair team has worked on homes from the downtown Victorian streets to the hillside parcels off Asti Road, and we know what this climate does to each type.
Why Mercer Roofing Is Cloverdale’s Preferred Roof Repair Company
What sets Mercer Roofing apart in Cloverdale is simple: we treat your home like a place to be protected, not just a job site. Before our technician arrives, you get their name and photo sent to you. When they knock, they’re wearing a clean, marked uniform and they’ll present a photo ID badge at the door. Every technician is background-checked and identity-verified under the Threshold Standard. If you’re home alone, or you’ve got young kids napping upstairs, or you’re an older homeowner who wants proof of who’s at the door, that badge matters.
We’ve been part of the Threshold Group family since 2000, and every repair we do comes with a written guarantee. The 365-Day Done Right Promise means if the work isn’t right within a year, we come back and make it right. Not a promise made in passing. A written guarantee, on every repair, included with every job. If a repair fails, the second visit is free. You’ll also find a live person answers the phone when you call, day or night. Not a voicemail tree. Not a call-back form. A real human being.
Grant Whitlock leads our team, and the standard he holds us to is the same standard we’d want for our own homes in Cloverdale. Contact us at (743) 200-8347 and we’ll put the threshold between you and the stranger at the door.
Commercial Roof Repair in Cloverdale
Commercial Roof Repair in Cloverdale usually means a flat or low-slope roof on a downtown storefront, a warehouse off Asti Road, or a winery outbuilding that’s been dealing with ponding water and a membrane that’s starting to fail. The commercial work we price in Cloverdale typically runs from $900 to $6,500 depending on the size of the affected area and whether the membrane needs patching or a full section replaced. These are working roofs with equipment, vents, and foot traffic, and they fail differently than a house roof. Ponding water is the big one here. Cloverdale’s flat-roof buildings hold water after winter storms, and standing water is what kills a membrane.
We can repair TPO, PVC, EPDM, and modified bitumen roofs, and we work around your business hours so you’re not shutting down to wait for us. The first step is always the same: a written price before any work starts. No exceptions.
Membrane Splits and Failed Seams
Heat expansion is the silent culprit on flat roofs here. A 110°F valley day expands the membrane, and repeated expansion and contraction eventually splits it at the seams. We cut out the damaged area, dry out the insulation beneath, and install a reinforced patch that moves with the roof instead of fighting it.
Clogged Drains and Overflow Scuppers
In Cloverdale’s older commercial buildings, a blocked drain means water finds its own way down, and that usually means the path of least resistance through the roof. We repair the immediate damage, then check every drain and scupper on the building as part of the same visit so the next storm doesn’t repeat the problem.
Roof Leak Repair in Cloverdale
Roof Leak Repair in Cloverdale starts with finding the actual source, which is almost never directly above the water stain on your ceiling. Water travels. It enters at a nail, a cracked vent boot, a rusted valley, then runs along the decking or a rafter until it drips where you see it. A targeted leak repair in Cloverdale usually runs from $325 to $950, which covers the inspection, the repair of the specific failure point, and a written guarantee on the work.
Cloverdale homes are leak-prone for a few reasons, and they’re all local. Steep hillside lots mean concentrated runoff, older homes have minimal overhangs, and the summer heat dries out sealants and flashing until they crack. Once water gets past the roofing surface, it rots the decking. Every day that leak stays open is a day the repair gets more expensive.
Valley and Flashing Repairs
Valley flashing carries more water than any other part of the roof, and in Cloverdale’s wet winters, a hairline crack in that flashing is enough to stain soffits and damage fascia. We replace the metal, re-secure the surrounding shingles, and make sure the slope carries water cleanly off the roof instead of into the house.
Storm and Wind Damage
When a winter storm rips shingles loose or drives rain sideways under the eaves, the damage is often worse than it looks from the street. We inspect the underlayment and decking, not just the shingles, because the next leak is already forming where you can’t see it. You’ll know exactly what we found and exactly what it costs to fix, in writing, before we swing a hammer.
Trusted Brands We Service in Cloverdale
We install and repair shingle roofs from GAF, CertainTeed, and Owens Corning, and we stock the most common matching colors and profiles for Cloverdale homes. If you’ve got a mid-century ranch with fading 3-tab or a newer home with architectural shingles, we know what matches and what doesn’t. Older roofs sometimes need a custom color blend because the original line was discontinued, and we handle that instead of leaving you with a patch that looks like a patch. For Cloverdale homeowners, that means faster turnaround and a roof that looks right when the job is done.
Common Roof Repair Problems We See in Cloverdale Homes
- Thermal splitting and granule loss from valley heat. Cloverdale’s bowl-shaped geography pushes summer temperatures 10 – 15°F above Santa Rosa or the coast, and asphalt shingles cook from the inside out. Granules shed, shingles curl, and the mat underneath cracks open to water.
- Failed valley flashing on post-war ranches. Original 3-tab shingles on homes built in the 1950s and 60s have long since exceeded their design life. The valley metal rusts, the seals break down, and winter rain follows the path of least resistance into the ceiling.
- Class A assembly conflicts on WUI hillside parcels. Many rural Cloverdale properties sit in CAL FIRE’s Very High Fire Hazard Severity Zone. A standard repair that doesn’t account for fire-rated assembly requirements can fail permit review, and then the homeowner pays for the same work twice.
- Open-lot runoff overwhelming minimal overhangs. On acreage properties, concentrated winter rain hits the roof edge hard. Homes without enough eave overhang see water wick back under the roof edge, saturating the decking and staining the fascia.
This is the reality of roofing in Cloverdale. A roof that would be fine in Santa Rosa is already failing here. The heat is higher, the fire code is stricter, and the water doesn’t drain the same. We price and repair with all of that in mind.
Pricing for Roof Repair in Cloverdale, CA
Here’s what Cloverdale homeowners should expect. A simple shingle replacement runs $325 to $550. Vent boot replacement runs $250 to $450. Valley or flashing repair runs $450 to $950. A roof leak repair with decking replacement runs $650 to $1,850 depending on how many sheets of plywood or OSB have rotted. A flat roof patch on a commercial building starts around $900 and goes up with membrane type and size. No vague “it depends” without numbers attached. The big cost variables are the condition of your decking, whether your property is in the WUI zone and needs a Class A assembly match, and how accessible your roof is from the ground.
Every estimate is free. Every estimate is written, line-item priced, and given to you before any work starts. Call (743) 200-8347 and we’ll send someone out to Cloverdale who can put a real number on what you need.
We Also Serve Cities Near Cloverdale
Mercer Roofing provides Roof Repair in Cloverdale and throughout northern Sonoma County, including Healdsburg, Windsor, Calistoga, and Santa Rosa. If you’re a few miles outside city limits on a rural parcel, we cover that too. Call (743) 200-8347 and tell us where you are; we’ll tell you honestly if we can get a crew to you this week.
Serving Cloverdale, CA - Our Local Coverage Area
We’re based in the Cloverdale 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 Cloverdale
If the repair is a targeted patch and doesn’t alter the roof field, Sonoma County generally doesn’t require a permit. But if your property is in the CAL FIRE Very High Fire Hazard Severity Zone and the repair scope expands into a re-roof or a section replacement, the new assembly must be Class A fire-rated or the permit will be denied. We’ll tell you which situation applies to your property before the work starts, in writing. Call (743) 200-8347 and we’ll check your parcel.
Cloverdale’s valley geography traps heat. Summer highs here run 10 – 15°F above Santa Rosa, and asphalt shingles get brittle and lose granules at an accelerated rate. A 20-year shingle in Santa Rosa might last 14 years in Cloverdale, because the thermal stress never lets up. For an honest read on your roof, call (743) 200-8347.
Mostly accessibility and access. Homes on larger parcels often mean longer material carries, limited equipment access, and sometimes a need for track equipment or hand-carrying to protect the septic leach field or wellhead. We walk the property before finalizing any price, so the number on your estimate includes the real logistics, not a pleasant surprise later.
Yes, and we do it often. The fix involves replacing the valley metal, repairing the decking if it’s rotted, and sealing the roof edge so water doesn’t wick back under the eave. On homes with minimal overhang, the edge detail is critical, and we address it as part of the valley repair, not as a separate charge you find out about after the fact.
We’ll repair a wood-shake roof if it’s sound enough to repair. Here’s the caveat: if your home is in the WUI zone and the repair scope gets into the roof field, current California fire code requires a Class A assembly, and standard wood shake doesn’t qualify. We’ll give you the repair option that’s legal, the one that’s possible, and the one that makes long-term sense, all with a written price. Call (743) 200-8347 for your free estimate.
Call Mercer Roofing for Roof Repair in Cloverdale
You don’t have to guess who’s coming to your door. Call (743) 200-8347 and we’ll send a technician whose name and photo you’ve already seen, carrying a photo ID badge, with a written price for your specific repair. No pressure. No vague language. Just a real price, a real guarantee, and a repair that’s done right. Cloverdale heat, Cloverdale fire codes, Cloverdale drainage. We know this town, and we know what it takes to keep a roof sound here.
Written by Grant Whitlock, Owner at Mercer Roofing, serving Cloverdale as part of the Threshold Group family since 2000.






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