Free roof inspection with deck photos before we talk money - GAF and Owens Corning certified installation
Before
After
Before
After
Before
AfterFast, Reliable Roof Repair Across Kensington
Roof repair in Kensington usually costs between $425 and $1,800 depending on what failed, and in this hillside climate the culprit is rarely obvious from the ground. We work on Kensington roofs every week, and the pattern is consistent: fog-belt corrosion on north- and west-facing slopes, failed flashing around chimneys and skylights, and spot repairs that used the wrong hardware for a marine-exposure environment. Tilehurst Roofing answers the phone live, gives you a written price before any work starts, and sends background-checked, uniformed technicians who know unincorporated Contra Costa County permit rules cold. Call (945) 303-9821 for a free estimate, and we’ll tell you what you’re actually dealing with before we touch a shingle.
Key Takeaways
- Most Kensington roof repairs run $425-$1,800; full leak repairs with decking replacement run $1,200-$3,500.
- Kensington sits in a Very High Fire Hazard Severity Zone, so every repair must preserve the roof’s Class A fire rating.
- Permits go through Contra Costa County’s Martinez office, not a local city hall. We handle that end-to-end.
- Every repair carries a written guarantee, and the Roof Repair crew returns free if it fails inside the guarantee period.
Why Tilehurst Roofing Is Kensington’s Preferred Roof Repair Company
Kensington homeowners tend to be specific about what they want because they’ve learned what happens when a roofer doesn’t understand this hillside. The fog off the Golden Gate doesn’t behave here the way it does down in El Cerrito or Albany. It sits on certain roof planes for hours, corrodes fasteners, feeds moss, and turns a small flashing gap into a steady interior leak. We’ve repaired enough of those leaks to know where they start and what actually fixes them.
Our crews arrive in the window we give you. The price is in your hands before the first nail is driven, and it doesn’t change at the door. Every repair is covered by the 365-Day Done Right Promise: if something we fixed isn’t right within a year, we come back and make it right at no charge. Greg Holloway leads the team, and he’s built the process around a simple idea from the Kingswell playbook: say the price before the work, show up on time, leave the place cleaner than we found it, and put the guarantee in writing.
We carry materials from GAF, CertainTeed, and Owens Corning, among seven major manufacturers, so the product we install matches your home’s existing roof, not whatever happens to be on the truck. That matters on Kensington’s Craftsman bungalows and Tudor revivals, where a mismatched shingle looks wrong from the street and wears wrong on the roof.
Roof Leak Repair in Kensington
Roof Leak Repair in Kensington almost always traces back to a handful of failure points: chimney flashing, valley metal, vent boots, or deteriorated underlayment on the fog-loaded north and west planes. The marine layer pushes moisture against these slopes for hours at a time, and old galvanized flashing simply can’t take it decade after decade. A ceiling stain that shows up after the first real rain is usually the final signal, not the first.
Most Kensington leak repairs run $425-$1,200 when the problem is isolated to flashing or a vent boot. If water has been tracking behind the drip edge and the decking is soft or rotted, expect $1,200-$3,500 because we have to replace the compromised wood before we can re-seal anything. We always match the existing fire-rated assembly, which is non-negotiable in this zone.
Flashing and Valley Repairs
Chimney and skylight flashing on the west-facing side of Kensington homes corrodes faster than anywhere else on the roof. We use stainless or hot-dip galvanized flashing on these exposures, never standard inland-spec metal, because the fog here pits standard galvanized within a decade. Valley metal gets the same treatment, especially where two steep planes concentrate water flow.
Vent Boot and Pipe Collar Replacement
The rubber boots around plumbing vents dry out and split, and on Kensington’s steep pitches that split lets water run straight down the pipe chase. We replace boots with UV-stable material and seal the penetrations with a marine-grade sealant that holds up to wind-driven fog. It’s a small fix, usually under $500, that prevents a much larger one.
Emergency Roof Repair in Kensington
Emergency Roof Repair in Kensington is what happens when a windstorm lifts shingles on the exposed upper slopes, or a tree limb comes through a corner of the roof, or a long-running flashing leak finally soaks through the ceiling during a heavy rain. The fog may cause the slow leaks, but the winter storms are what turn them into emergencies. We dispatch crews to Kensington fast, and a live person answers the call 24 hours a day, 7 days a week.
Emergency tarping and temporary sealing typically runs $350-$800, depending on how much of the roof is compromised and how steep the access is. Permanent repair on top of the emergency work generally falls into the $500-$1,800 range once we’ve had a chance to inspect properly. We do not change the price after the fact. The written number is the number.
Temporary Storm Protection
When a storm opens your roof, the first job is keeping water out until a permanent fix can be scheduled. We install a properly fastened tarp with battens or lath, not a flapping plastic sheet, and we document what we found so the permanent repair quote is accurate. This work is not a substitute for real repair; it buys time without letting the damage double.
Post-Storm Permanent Repair
Once the roof is dry and safe, we come back and repair the actual damage: replacing broken or missing shingles, re-sealing flashing, and matching the fire-rated assembly the county requires. On Kensington’s older skip-sheathed roofs, we often have to install a section of solid decking before the new shingles go down, which the county inspector from Martinez will look for.
Trusted Brands We Service in Kensington
We install and repair shingles from GAF, CertainTeed, Owens Corning, IKO, Atlas, Tamko, and Boral. That range matters on Kensington roofs because the existing shingle profile often dates from a specific era, and we want the repair to blend rather than announce itself. We keep common profiles and accessories stocked for quick turnaround on Kensington jobs, and anything unusual we order in fast. You should not have to wait weeks for a matching bundle of shingles because a supplier in another county didn’t stock it.
Common Roof Repair Problems We See in Kensington Homes
- Fog-corrosion on north and west flashing. The marine layer sits against these slopes for hours. Galvanized flashing pits through, water tracks behind the drip edge, and the decking rots out of sight. We replace with stainless or hot-dip hardware, which is the only spec that holds up here.
- Original skip-sheathing under 1920s-1950s roofs. Many Kensington homes still have the original spaced board decking under their shingles. A small leak that reaches that decking spreads sideways before it shows up on your ceiling, which is why we always inspect the sheathing at every repair point, not just the shingle surface.
- Moss and lichen on north-facing planes. Kensington’s hillside elevation and fog exposure create conditions you won’t see in the flatlands below. Moss lifts shingle edges, traps moisture against the roof, and accelerates granule loss. We remove it during repairs and point out where it needs follow-up treatment.
- Repairs that broke the Class A fire rating. Out-of-area roofers sometimes patch a shake or shingle roof with whatever material is available, not realizing the repair now violates Contra Costa County’s fire code for the Very High Fire Hazard Severity Zone. We only install materials that preserve the assembly’s rating, and we verify it with the county inspector.
Pricing for Roof Repair in Kensington, CA
A minor repair like a vent boot swap or a small flashing patch in Kensington runs $425-$700. A typical flashing or valley repair with some shingle replacement lands between $700 and $1,500. A leak repair that has compromised decking costs $1,200-$3,500 depending on how much wood needs replacing and how steep the access is. The coastal-spec hardware we use costs 15-30% more than inland-spec fasteners, but the inland-spec version rusts out within a few seasons in this fog belt, which means you pay for the cheap fix twice. The free estimate we give you is the exact number we charge. Call (945) 303-9821 and we’ll put it in writing before any work begins.
We Also Serve Cities Near Kensington
Our crews work throughout the Bay Area, so if you own a home in El Cerrito, Albany, Berkeley, or Richmond, we can help there too. We also take on larger projects across the region, from Los Angeles and San Diego up to San Jose and San Francisco. The same written-price rule and 365-Day Done Right Promise apply wherever the job is.
Serving Kensington, CA - Our Local Coverage Area
We’re based in the Kensington 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 Kensington
Because Kensington is in a Very High Fire Hazard Severity Zone, which means every repair must preserve the roof’s Class A fire rating using materials that meet county fire code, and because the marine-layer fog on the hillside requires corrosion-resistant flashing and fasteners that the flatlands don’t need. The labor is also different: Kensington’s steep hillside lots complicate access and staging, so the job takes longer and requires more care. Expect to pay 15-30% more than a comparable flatland repair, and that additional cost is what keeps the fix from failing inside of five years. Call (945) 303-9821 for an exact quote on your roof, free.
No, Kensington is unincorporated Contra Costa County, so roofing permits run through the county’s Hazardous Materials and Building Inspection division in Martinez, not through any city hall. If a contractor tells you otherwise, they have not worked in Kensington. We pull the permit, schedule the inspection, and make sure the repair passes before the county inspector leaves. This is part of every job, not an extra fee.
In most cases, no, not legally. Kensington is inside a Very High Fire Hazard Severity Zone, and repairing a wood shake roof in this zone typically requires bringing the repaired area up to a minimum Class A fire rating, which wood shake alone cannot meet. Most homeowners in this situation are looking at a partial or full re-roof with a Class A system. We will walk you through what the county requires and give you an honest number, even if the answer is a replacement rather than a patch.
Because Kensington sits at elevation where the marine layer pushing through the Golden Gate deposits persistent moisture on north- and west-facing slopes, and those slopes never fully dry out. Moss needs consistent moisture to establish, and your neighbor in the flats simply doesn’t get that same fog exposure. The moss lifts shingle edges and traps water against the decking, which is why we remove it during repairs and recommend periodic cleaning on these exposures. Call (945) 303-9821 and we’ll tell you what your particular roof plane needs.
Put them side by side and check three things: whether the flashing and fasteners are specified as stainless or hot-dip galvanized (not standard galvanized), whether the quote includes the Contra Costa County permit and inspection, and whether the repair preserves your roof’s Class A fire rating. If a quote is significantly cheaper, it’s usually because one of those three things is missing, and a missing one will cost you more within a decade. We give you a written, itemized quote that names the materials and covers the permit, so you can compare apples to apples.
Call Tilehurst Roofing for Roof Repair in Kensington
If your Kensington roof is leaking, lifting, or showing fog-belt wear, call (945) 303-9821 for a free estimate. We’ll send a technician who knows this hillside, gives you a written price before any work starts, and backs every repair with the 365-Day Done Right Promise. A live person answers, day or night.
Written by Greg Holloway, Owner at Tilehurst Roofing, serving Kensington and the East Bay hills.