Free roof inspection with deck photos before we talk money - GAF and Owens Corning certified installation
Fast, Reliable Roofing Company Across Lafayette
Roof repair or replacement in Lafayette typically runs $8,400 – $22,000 depending on the material, and most jobs we schedule get a written price within days of the inspection. If you’re reading this, you’re probably looking at a non-renewal notice from your insurer over a cedar shake roof, or you’ve got a leak in a valley on a 1960s hillside home where the geometry makes every repair twice as involved. We know those roofs. We work on them every week. Call (743) 200-8347 and a live person answers – day or night.
Lafayette isn’t a storm-damage market like the Bay-facing cities over the hill. Here it’s heat, fire code, and steep lots that drive the work. Our crews are staged from the San Francisco Bay Area office and dispatched into Lafayette’s canyon neighborhoods daily, so we’re familiar with what actually fails on these roofs – and what it costs to fix it right the first time.
Why Mercer Roofing Is Lafayette’s Preferred Roofing Company
Most Lafayette homeowners never find out who’s walking up their driveway until the doorbell rings. We do it differently. Before any Mercer technician arrives, you get their name and photo sent to you. When they knock, they’re in a clean, marked uniform with a photo ID badge at chest height. That’s the Threshold Verified standard we’re held to as part of the Threshold Group family, founded in 2000 – and every independently owned location is contractually bound to it. Grant Whitlock, who leads our team, is particular about this: the person on your property should be someone you can identify before you open the door.
Lafayette customers call us about two things most often: fire-code replacements of original shake roofs, and leaks at valleys and dormers on steep canyon lots. We’ve walked hundreds of these roofs from Reliez Valley to the streets above downtown. We know where the underlayment fails first on a 40-year-old tear-off, and we know what a Class A standing-seam or composite replacement should cost on a lot where the driveway can’t take a flatbed.
Every repair we make in Lafayette carries a written guarantee for 365 days under our Done Right Promise. If it fails within a year, we come back and make it right – free second visit, no fine print. And no work starts without a written price first. That’s not a courtesy. It’s our rule.
Roof Inspection in Lafayette
Roof Inspection in Lafayette is rarely a quick visual lap around the property. Most homes here sit on canyon or ridge lots built roughly 1955 – 1985, with complex geometries – multiple intersecting valleys, dormers, high pitches – and a surprising number still carry the original cedar shake from the day the house went up. A real inspection means walking the ridges and valleys, checking the flashing at every penetration, and documenting the condition of the shake or shingle surface, the underlayment at the eaves, and the decking below. We charge $225 – $425 for a standard inspection in Lafayette, and if the inspection leads to a repair or replacement with us, we’ll credit that fee toward the job.
For Lafayette homeowners, an inspection usually has one of three triggers: an insurance non-renewal notice, a leak that showed up after the fall Diablo wind season, or a pre-purchase contingency. None of those are situations where you want a drive-by glance. You want photos, measurements, and a written condition report you can show to an underwriter or a listing agent.
Insurance and Fire-Code Inspections
If CAL FIRE maps your Lafayette home in a High or Very High Fire Hazard Severity Zone – which covers a large share of the city – your carrier may require a Class A roof assembly. We document the existing roof condition, identify what’s code-noncompliant, and provide the written report most insurers want.
Pre-Purchase Roof Inspections
Buying a 1970s custom home on a Lafayette ridge means inheriting whatever condition the seller’s disclosure doesn’t capture. We inspect as if we’re the ones who’ll be on the hook for repairs – because if you buy it, we probably will be. The report includes line-item repair costs so you can negotiate from facts, not guesses.
Commercial Roofing in Lafayette
Commercial Roofing in Lafayette is a different animal from the residential side, but the climate problems overlap: 95 – 105°F summer thermal cycling, steep access, and a fire zone that doesn’t care whether the structure is an office or a house. We handle low-slope flat roofing, TPO and modified bitumen systems, and metal retrofits for commercial buildings across the Lafayette area – including the small office clusters along Mt. Diablo Boulevard and the mixed-use buildings near the BART corridor. A typical flat roof restoration on a Lafayette commercial building runs $12,000 – $45,000 depending on square footage, existing membrane condition, and whether a full tear-off is required.
Commercial work here often means working around business hours, coordinating with property managers, and dealing with roofs that newer tenants inherited from owners who deferred maintenance for years. We’re familiar with that. The bad news is that a neglected commercial roof in Lafayette’s heat degrades fast once the membrane starts pulling at the seams. The good news is that the replacement math usually pencils out better than the patch-and-pray cycle.
Flat Roofing for Low-Slope Buildings
Lafayette’s flat roofs take brutal sun exposure from June through September. We inspect for seam failure, ponding water, and cracked flashing, then recommend either a full tear-off or a recovery system with a reinforced membrane rated for this climate.
Metal Roofing for Commercial Properties
Standing-seam metal is one of the most fire-resistant assemblies you can put on a Lafayette commercial building, and it performs well under the thermal cycling we see on the east side of the Caldecott. We also replace old corrugated metal with new standing-seam panels when the existing roof has outlived its fasteners.
Trusted Brands We Service in Lafayette
We install and repair using manufacturer-recognized systems from GAF, CertainTeed, Owens Corning, IKO, Atlas, Tamko, and Boral. On Lafayette hillside jobs, we’re more likely to specify Atlas and Tamko fire-rated composite products, and GAF’s Class A systems come up frequently when insurers want a specific brand on the policy. Because we know what Lafayette’s fire-code and insurer-driven replacements require, we keep common fasteners, flashing profiles, and underlayment in our local stock so Lafayette customers aren’t waiting on a parts order from a distributor in Sacramento every time an inspection turns up a problem. That speeds up both repairs and full replacements on canyon lots where every day of material staging counts.
Common Roofing Company Problems We See in Lafayette Homes
Here’s what we actually find when we get on a Lafayette roof. Not what the training manual says could go wrong – what we photograph every week.
- Cedar shake roofs that are code-noncompliant and insurer-nonrenewable. Many Lafayette hillside homes still have their original 1960s – 1980s cedar shakes. CAL FIRE maps most of Lafayette in High or Very High Fire Hazard Severity Zones, so those shakes are now a liability the insurance market won’t tolerate.
- Premature shingle failure from thermal cycling. Lafayette sits east of the Caldecott Tunnel where summers routinely hit 95 – 105°F while Berkeley and Oakland stay in the 70s. That daily expansion and contraction breaks the adhesive strip on three-tab and architectural shingles years before the granule wear would normally end their life.
- Leaks at valleys and dormers on steep, complex roofs. Custom homes built 1955 – 1985 on canyon lots have multiple intersecting roof planes. The valleys and dormer flashing are where the original crews cut corners – and where water finds its way in first.
- Underspecified fasteners and drip edge on ridge lots. A contractor who mainly works Walnut Creek or Concord tract homes will sometimes spec ordinary galvanized hardware here. Between the intense heat and the fall Diablo winds, that hardware corrodes and loosens decades before the roofing material is spent.
Pricing for Roofing Company in Lafayette, CA
Here are honest Lafayette prices for the work we do, based on what we’ve actually bid and built in this city. A standard tear-off and architectural shingle replacement on a typical Lafayette home runs $9,500 – $16,500. A Class A composite or concrete tile replacement – which is what most insurer-mandated shake conversions require – runs $18,000 – $32,000 depending on roof complexity and access. Standing-seam metal on a steep canyon lot starts around $24,000 and goes up from there. The biggest variables in Lafayette are roof geometry (a five-ridge custom home costs more than a simple gable) and access (a steep private driveway off Happy Valley Road means hand-carrying bundles or renting a boom lift). We give you a written, line-item price before any work starts, and that price doesn’t change unless you change the scope. Call (743) 200-8347 for a free estimate. We’ll walk your roof, show you photos of what we found, and put the numbers in writing.
We Also Serve Cities Near Lafayette
Our Roofing Company team works throughout the Lamorinda area and the surrounding East Bay. If you’re in Walnut Creek, Orinda, Moraga, or Pleasant Hill, we serve those communities as well. But if you’re reading this from a hillside lot in Lafayette – especially in a fire hazard zone – this page is written for you. See what it’s like to work with Roofing Company in Lafayette that knows the difference between a Lafayette ridge lot and a Walnut Creek tract roof.
Serving Lafayette, CA - Our Local Coverage Area
We’re based in the Lafayette 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 Roofing Company in Lafayette
Because a Lafayette hillside roof is not a Walnut Creek roof. Your lot likely has a steep grade, narrow driveway access, and a roof geometry with intersecting valleys, dormers, and high pitches that a flatter tract neighborhood doesn’t have. A Walnut Creek roofer pricing a simple gable in a flat subdivision is pricing a fundamentally different job. When a low bidder doesn’t account for the hand-carry or boom-lift access on your canyon lot, they eat the margin hit – and the way they recover it is by rushing the valleys, skimping on underlayment, or leaving the starter strip incomplete. Those are exactly the penetrations that leak first. If your Lafayette bid is higher, ask the contractor to show you the line items for access, tear-off labor, and underlayment. If those aren’t itemized, the bid isn’t honest. Call (743) 200-8347 and we’ll give you a written line-item price you can compare against anyone.
You need a Class A fire-rated roof assembly. In Lafayette’s High and Very High Fire Hazard Severity Zones, that usually means composite shingles from manufacturers like Atlas or Tamko, concrete or clay tile, or a standing-seam metal roof with a Class A underlayment assembly. The exact requirement depends on your carrier and your lot’s fire zone designation, and we’ll help you document the replacement with photos and a completion report your insurer can accept. The replacement cycle we’re seeing across Lafayette’s hill neighborhoods – Reliez Valley, the streets above downtown, the Happy Valley corridor – is almost entirely insurer- and code-driven now, not weather-driven. Call (743) 200-8347 and we’ll walk your roof, tell you what your carrier will accept, and price the conversion.
Yes, and it matters more than wind. The intense thermal cycling east of the Caldecott – 95 – 105°F summers while the Bay-facing cities sit in the 70s – breaks down the adhesive strip on composition shingles years before the granule loss would normally end the shingle’s life. A shingle can be rated for high wind and still fail here because the daily expansion and contraction worked the seal loose. That’s why we pay as much attention to the fastening pattern, starter strip, and underlayment spec as we do to the shingle brand itself. Wind-rated doesn’t mean heat-rated, and Lafayette’s heat is the bigger stressor on this side of the tunnel.
Ask for line items. Specifically: how many squares, what underlayment brand and spec, what fastener material (stainless or hot-dip galvanized – not standard electroplated), what drip edge gauge, what flashing at the valleys and dormers, and how the crew will handle access on your lot. Also ask whether the price includes tear-off, disposal, and any boom-lift or hand-carry labor. The cheapest bid on a Lafayette canyon lot is almost always the one that didn’t price the access or the geometry honestly. And ask whether the repair carries a written guarantee – ours is 365 days, with a free second visit if it fails, under the Done Right Promise. If a bid won’t itemize those answers in writing before work starts, don’t sign it. Call (743) 200-8347 and we’ll send you a written line-item bid you can hold up against anyone else’s.
We walk the roof – carefully – with rope and harness where the pitch requires it, and we document everything with photos. Steep canyon roofs in Lafayette often have sections you can’t see from the ground or even from a ladder at the eave, so we get onto the ridges and valleys, inspect the flashing at every penetration, check the condition of the existing underlayment at the eaves, and look for the specific failure points we know are common on 1955 – 1985 custom homes. We don’t quote from satellite imagery or from the driveway. Every Lafayette replacement bid we write is based on a physical inspection, documented with photos you’ll see, and priced from what we actually found up there. Call (743) 200-8347 to schedule your inspection – and remember, the inspection fee comes off the job if you hire us.
Written by Grant Whitlock, Owner at Mercer Roofing, serving Lafayette and the Lamorinda area.






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