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Flat & low-slopeFree roof inspection with deck photos before we talk money - GAF and Owens Corning certified installation
Tamko Roof Repair in Los Angeles: What to Know First
Tamko roof repair in Los Angeles typically runs between $350 and $950 for most shingle, flashing, and leak repairs, with most jobs completed in a single visit. We’re an independent Tamko service provider, so we work on your roof without being tied to the manufacturer’s pricing or timelines, which means we give you a written price before any work starts. This page is for homeowners with a Tamko roof that’s leaking, lifting, or showing wear who want to know what’s wrong, what it will cost, and who’s coming to their door. Call (213) 521-8272 for a straight answer and a free estimate.
Here’s what Los Angeles homeowners should understand before calling anyone: Tamko makes solid shingles, but like every brand, they fail in predictable ways. We know those ways. Grant Whitlock and his crew have repaired Tamko roofs from the San Fernando Valley to the South Bay, and the patterns are consistent. The good news is that most Tamko repairs are straightforward when you diagnose them correctly. The better news is that we put every price in writing and every repair under a 365-day guarantee before we touch a single nail.
How Tamko Products Fail – and How We Fix Them
- Heritage and Heritage Premium lifting along the rake edge. We see this constantly on homes in the hills above Sherman Oaks and Studio City, where afternoon winds find any shingle with a weak seal. Tamko’s Heritage line uses a sealant strip that can degrade faster under our intense UV exposure. The shingles lose their bond and start flapping. Our fix is to reseal where the sealant still exists and replace individual shingles where it’s gone, hand-nailing each one at the correct depth so the next Santa Ana doesn’t undo the work.
- Titan XT granule loss on south-facing slopes. Tamko’s Titan XT shingles carry a heavier granule load than many competitors, but no granule survives Los Angeles sun forever. On south-facing roofs in neighborhoods like Encino and Woodland Hills, we see granule loss that leaves the asphalt exposed, which accelerates cracking. We replace the affected shingles before water gets to the decking, and we’ll show you photos of the wear so you’re not taking our word for it.
- Valley failure where two roof planes meet. Tamko shingles don’t fail at the valley; the underlayment and flashing beneath them do. In LA’s older homes, especially Spanish-style bungalows in Silver Lake and Echo Park with their distinctive roof lines, we regularly open valleys to find the original woven underlayment has deteriorated. The shingles look fine, but water is getting through. We replace the valley with proper metal flashing and new underlayment, then relay the Tamko shingles, keeping the repair warranty-safe.
- Vent boot and pipe collar cracking. This one affects Tamko roofs no more than other brands, but it’s the most common repair we do on Tamko homes. The rubber boot around plumbing vent pipes dries out in LA’s heat after about 8 to 12 years, cracks at the base, and lets water run straight down into the attic. Homeowners rarely notice it until the ceiling stain appears. We replace the boot with a quality aftermarket collar that fits the vent stack precisely, and it’s usually a $200 to $400 fix if caught before water damages the decking.
- Starter strip failure on re-roofs done by other contractors. This is a Los Angeles-specific pattern we’ve documented over two decades. Some local roofers skip the Tamko starter strip to save a few dollars, using generic strips or none at all. The shingles at the eave edge never seal correctly, and wind-driven rain works its way under the first course. If your Tamko roof is less than 10 years old and you’re seeing water at the eaves, we check the starter strip first. Installing the correct Tamko starter from the beginning is the fix, and it’s a repair we’ve done from Lakewood to Torrance.
Styles & brands we work with






Our Tamko Roof Repair Process
- 1
You call, a live person answers. Not a voicemail, not a call-back form. You’ll reach a real person at (213) 521-8272, 24/7. Tell us what you’re seeing. We’ll ask the right questions and schedule a visit.
- 2
We send you a name and a photo. Before our technician shows up, you’ll know who’s coming. When they arrive, they’ll have a photo ID badge, a marked uniform, and will hand you a business card with the same name and face on it. That’s the Threshold Standard, and every Mercer Roofing Co Los Angeles tech is held to it.
- 3
Diagnostics on your roof, not from the street. For Tamko roofs, we get on the roof and inspect the entire slope where the problem is. We check shingle seals, granule loss, flashing, boots, valleys, and the starter strip. We take photos. We show you exactly what’s failing and what’s holding.
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A written price before any work starts. We give you the full cost in writing. No “we’ll see once we open it up.” If we find hidden damage during the repair, we stop and give you a new written price before proceeding. You never approve work by surprise.
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The repair. For Tamko shingle replacement, we hand-nail each shingle with the correct nail pattern and sealant placement. For flashing and boot repairs, we strip the old material, replace it, and reintegrate it with the existing Tamko shingles so the repair is watertight and warranty-safe. We use quality aftermarket parts when they’re the better fit and OEM Tamko replacement shingles when color and granule match matter.
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Water test, cleanup, and your written guarantee. We test the repair with water, then clean up every nail, shingle scrap, and piece of debris. You get a written 365-day guarantee. If the repair fails within the year, we return and fix it at no charge. That’s the Done Right Promise, and it’s included with every job.
What Tamko Roof Repair Costs in Los Angeles
Here are the price ranges we quote most often for Tamko roof repairs in Los Angeles. These are real numbers from our service area, not national averages.
- Shingle replacement, individual: $300 to $600, depending on slope, access, and how many shingles are affected.
- Leak repair at a vent boot or pipe collar: $200 to $400 if the decking is dry. $500 to $900 if water has already damaged the decking and we need to replace a section.
- Flashing repair at a chimney or wall intersection: $450 to $950, depending on how much metal work is required and whether the surrounding shingles are reusable.
- Valley repair: $600 to $1,200 for a typical 8 to 12 foot valley, including new flashing and underlayment.
- Flat roof patch on a Tamko modified bitumen system: $400 to $850 for a standard patch at vents, seams, or low spots.
What moves the price: roof pitch (steep roofs cost more to work safely), access (two-story homes with limited ladder placement add labor), the extent of hidden damage, and whether the existing shingles can be reused. We never charge more than the written price unless we show you new damage and get your approval on a new price first. Call (213) 521-8272 for an exact quote. It’s free, and you’ll get a price in writing before you decide anything.
See the difference
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AfterWhy Los Angeles Homeowners Call Mercer Roofing Co Los Angeles for Tamko Work
Most roofers in Los Angeles can replace a shingle. Few of them can tell you why a Tamko Heritage shingle is lifting when a GAF Timberline on the house next door isn’t. We can, because we’ve been repairing Tamko roofs across the LA basin since 2000, and we’ve spent that time learning how each brand fails differently under our specific climate. When a Tamko roof needs parts we can’t source locally, we know the aftermarket products that hold up as well or better. And when a homeowner has another brand on a garage, addition, or flat roof, we handle GAF, Owens Corning, and CertainTeed repairs on the same visit.
What separates us for Tamko owners comes down to certainty. Every technician is background-checked and identity-verified under the Threshold Verified standard. You get their name and photo before they arrive, and they badge at the door. You get a written price before work starts. You get a written 365-day guarantee when it’s done. If it’s not right within a year, we make it right. No phone tag, no strangers, no surprises. For homeowners who want to know exactly who’s on their roof and exactly what they’re paying, we’re the only call that covers both.
Tamko Roof Repair FAQs
In most cases, no. Tamko’s warranties cover manufacturing defects in the shingles themselves, not installation or repair work done after the fact. As an independent Tamko service provider, we use repair methods that preserve what remains of your warranty and document everything with photos. If your roof is under warranty and the problem is a manufacturing defect, we’ll tell you, because that changes who should pay for the repair.
Yes, in most cases. Tamko’s color lines, including those in the Heritage and Titan series, are stable, but every shingle batch drifts slightly, and Los Angeles sun fades everything over time. We source replacement shingles from local suppliers and match by taking a shingle sample from an inconspicuous area. If we can’t get a close enough match, we’ll tell you before we start and explain your options rather than leaving a patchwork repair on your roof.
Most Tamko leak repairs in Los Angeles are completed within one to three days of your call, depending on the weather and your schedule. We don’t promise emergency dispatch on routine repairs, because doing the job right matters more than doing it fast. If you have an active leak and it’s raining, call us at (213) 521-8272 and we’ll tell you what you can do to slow the water while we get to you.
Repair makes sense when the damage is localized, which is true for most Tamko roofs that are less than 15 years old. Replacement makes sense when you’re seeing granule loss across multiple slopes, shingle lifting along the full rake and eave edges, or interior water stains appearing in more than one room. We’ll tell you honestly which one applies, even if the answer is a smaller job than you expected. That’s how Grant Whitlock runs every estimate: a roof should be the last thing on your mind, let’s keep it that way.
No. We repair and install roofs using GAF, CertainTeed, Owens Corning, IKO, Atlas, Tamko, and Boral shingles, along with flat roof systems. If you own a Tamko roof and another structure with a different brand, we can handle both on the same visit. The same written price and 365-day guarantee apply to every repair we do, regardless of brand.
Get Your Free Tamko Roof Repair Estimate in Los Angeles
If you own a Tamko roof in Los Angeles and you’re seeing a leak, a lifted shingle, or just wear you don’t like the look of, call (213) 521-8272. A live person answers 24/7. You’ll get a straight diagnosis, a written price, and the name and photo of your technician before they arrive. No pressure, no surprises, no strangers at the door. Just a roof that works and a written guarantee that it holds.
Written by Grant Whitlock, Owner, Mercer Roofing Co at Mercer Roofing Co Los Angeles, serving Los Angeles and nearby areas.