Metal roofing
Architectural shingles
Tile roofing
GAF
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Flat & low-slopeFree roof inspection with deck photos before we talk money - GAF and Owens Corning certified installation
Fast, Reliable Roof Installation Across West Athens
Roof installation in West Athens, CA typically runs $9,500 to $18,500 for a full tear-off and replacement on a standard single-family home, with most jobs completed in 3 to 7 working days. We’re Mercer Roofing Co Torrance, and we’ve been putting roofs over West Athens homes since well before the current wave of infill development started changing the neighborhood’s skyline. Call (424) 435-5428 and a live person answers, day or night. We’ll schedule a free estimate, send you the name and photo of the technician before they arrive, and put every price in writing before a single nail comes off your roof.
Why Mercer Roofing Co Torrance Is West Athens’s Preferred Roof Installation Company
West Athens homeowners keep calling us back for one reason that has nothing to do with shingles: they know exactly who is walking up their driveway. Before any visit, you get our technician’s name and photo. When they knock, they’re in a clean, marked uniform with a photo ID badge at your door. That’s the Threshold Verified standard, and every Mercer technician is held to it, contractually, on every single job. If you’re home alone, or you’ve got young kids in the house, that badge-at-the-door promise changes the whole conversation.
We also know West Athens roofs in a way a faraway outfit never will. The original 1960s tracts are full of low-slope built-up roofs and brittle wood shake that has been cooking under Los Angeles Basin sun for fifty-plus years. Our Roof Installation team has torn off enough of them to know what’s underneath before we even set the ladder. Dispatch and scheduling are coordinated from our Los Angeles office, but the crews that show up in West Athens work here regularly and know the streets, the setback patterns, and the city’s permit process.
Every job comes with the 365-Day Done Right Promise: if it’s not right within a year, we make it right. Every repair includes a written guarantee, with a free second visit if a repair fails. And no work starts without a written price in your hand. That’s not a slogan. That’s how we’ve operated since Mercer Roofing was founded in 2000 as part of the Threshold Group family.
Styles & brands we work with






TPO Roofing Installation in West Athens
TPO Roofing Installation is the most common full-roof solution we put on West Athens homes with low-slope or flat sections, especially the mid-century single-story houses that dominate the 1950s and 1960s tracts. TPO is a single-ply membrane that reflects heat instead of absorbing it, which matters a lot here where summer afternoons hover in the 90s and UV exposure is relentless. A full TPO tear-off and install in West Athens runs $10,500 to $16,000 depending on decking condition, roof accessibility, and whether we’re also replacing rotted fascia or adding new drip edge.
When TPO Makes Sense Here
If your home has a flat or nearly flat roof, TPO is usually the best call. It handles standing water better than shingles ever will, and it gives you a bright white surface that actually reduces attic heat gain during West Athens’s long, hot summers. On homes near Athens Park and along the West Athens-Athens line, we’ve replaced dozens of failed torch-down systems with TPO and watched indoor temperatures drop noticeably in July.
What a TPO Install Involves
We remove the old membrane down to the decking, inspect the wood for rot, replace any damaged sheathing, then mechanically fasten or fully adhere the new TPO with heat-welded seams. On a 1950s single-story home near the West Athens-Athens line, our crew opened up a badly weathered torch-down roof and found dry rot at the eaves from poorly flashed valleys that had let winter rain soak the decking. We pulled the old membrane, replaced the damaged sheathing, then installed a full TPO roof with new drip edge, ice and water shield at the eaves, and a continuous ridge vent, all torn off and rebuilt under the same permit inspection.
Shingle Roof in West Athens
Shingle Roof installation in West Athens usually means tearing off the original wood shake or composition shingles on a 1960s ranch and replacing them with architectural asphalt shingles from Owens Corning, Atlas, or IKO. Many original West Athens tracts still have their first layer of wood shake, now so brittle from decades of sun that it cracks under a roofer’s boots. A full shingle tear-off and replacement here runs $9,500 to $15,500, with the spread driven by how much decking needs replacing and whether the house has multiple roof planes that slow the crew down.
Shingle Choices That Hold Up Here
West Athens gets intense UV for six months a year, so we steer homeowners toward architectural shingles with higher wind ratings and better granule adhesion than basic three-tabs. Atlas and IKO both make lines rated for 130 mph wind, which covers the occasional Santa Ana gusts that whip through the Los Angeles Basin. These shingles also carry better algae resistance, which matters on the north-facing slopes we see around the neighborhood.
What to Expect During the Tear-Off
When we strip a 1960s wood shake roof in West Athens, we usually find the original skip sheathing underneath, which has to be overlaid with plywood or OSB before new shingles can go down. That’s not a surprise to us; it’s standard work here. But you’ll see it itemized in your written estimate before we start, not added as a change order after the roof is already open. This is the single biggest difference between a Mercer quote and one you’ll get from a crew that bids low and then pads the invoice.
Trusted Brands We Service in West Athens
We install and repair shingle roofs using manufacturer-recognized products from Owens Corning, IKO, and Atlas, among others. We keep common West Athens components on hand, including drip edge, valley metal, and low-slope underlayment, which means a repair or small installation detail doesn’t stall for a week waiting on a supplier in Commerce. For West Athens homeowners who want a specific brand, we’ll order it and have it on the roof by the scheduled start date. Named brands in your contract, named brands on your roof, no substitution games.
See the difference
Before
After
Before
After
Before
AfterCommon Roof Installation Problems We See in West Athens Homes
- Brittle original wood shake from the 1960s. Decades of Los Angeles Basin sun leaves shake so fragile it splinters under foot traffic. Any tear-off on these roofs has to be done carefully to avoid damaging the decking below, and we plan for a full redeck bid on almost every original-shake home.
- Failed scuppers and parapet flashing on low-slope built-up roofs. Mid-century West Athens homes with flat roofs often leak at the scuppers where water drains off. By the time you see a ceiling stain, the water has usually been running inside the parapet wall for a season or two.
- Hidden decking rot from rare winter downpours. West Athens only gets a handful of heavy rain events each winter, but when they hit, poorly flashed valleys funnel water straight into the eaves. We find soggy sheathing and rotted rafter tails on nearly every older home we open up.
- Undersized framing that triggers code upgrades. A simple reroof on a 1950s home can turn into a structural conversation once the inspector sees water-damaged or undersized framing. We carry written allowances for this work in the contract so a code-triggered shear-wall or decking upgrade is priced and approved before we touch it.
Pricing for Roof Installation in West Athens, CA
Here’s what West Athens homeowners should expect to pay. A full tear-off and shingle replacement on a 1,200 to 1,800 square foot ranch runs $9,500 to $15,500. A TPO installation on a low-slope or flat roof runs $10,500 to $16,000. If your original 1960s decking needs full replacement, add $2,800 to $5,500 depending on square footage. If the permit inspector flags undersized framing, figure $1,200 to $4,000 more for structural upgrades, and we’ll write that allowance into your contract before we start, not after. Call (424) 435-5428 for a free estimate and a written line-item price. No job starts without one.
We Also Serve Cities Near West Athens
Mercer Roofing Co Torrance works throughout the South Bay and surrounding areas. If you’re in Torrance, Inglewood, Carson, or Hawthorne, we serve those communities too. You can learn more about our local reach on our Roof Installation in West Athens page, or just call (424) 435-5428 and tell us where you are. We’ll let you know if we’re the right crew for your street.
Serving West Athens, CA - Our Local Coverage Area
We’re based in the West Athens 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 Installation in West Athens
When you remove original wood shake on a 1960s West Athens home, the city will typically require the decking underneath to be brought up to current code, which often means solid sheathing over the old skip sheathing and possibly structural upgrades if the framing shows water damage. We handle the permit for you and write any code-triggered work into the contract as a priced allowance before the tear-off begins. Call (424) 435-5428 if you want us to look at your specific roof and tell you what the inspector will ask for.
West Athens falls under Los Angeles building codes that require cool-roof materials on low-slope roofs, which is one reason TPO is such a common choice here; its reflective white surface meets the cool-roof standard without special coatings. For shingle roofs, the code allows a range of colors, but lighter shades perform better under West Athens sun. If you plan to add solar later, tell us before we install, and we’ll make sure the underlayment and mounting layout are ready for it. Call (424) 435-5428 for an exact quote on your roof.
We replace only the rotted sections and write that scope into the contract before we start. A full redeck is not required unless the damage is widespread, and on a typical West Athens low-slope roof we see two or three sheets of plywood needing replacement, not the entire roof. If the rot is extensive, we’ll show you photos and walk you through the price before any wood is pulled. Call (424) 435-5428 and we’ll give you a straight answer after an inspection.
We do not install shingles on sections with a slope below 2:12. On those West Athens roofs we transition to a membrane system like TPO or modified bitumen, and we detail the transition carefully where the steep and low-slope sections meet. That detail is where most leaks start, so our crew takes extra time on the flashing and underlayment at those changes in plane. Call (424) 435-5428 and we’ll tell you exactly which sections of your roof can take shingles and which need membrane.
Yes, if the wood is sound. On many West Athens homes the fascia and soffit are original but still solid, and we leave them in place while installing new drip edge that protects them for another few decades. If we find rot at the eaves, which is common where old valleys have leaked for years, we’ll price the replacement separately and only pull what’s necessary. The goal is a roof that sheds water away from the eaves, not a full trim package you didn’t ask for. Call (424) 435-5428 for a free estimate.
Written by Grant Whitlock, Owner at Mercer Roofing Co Torrance, serving West Athens and surrounding communities.