Metal roofing
Architectural shingles
Tile roofing
GAF
Owens Corning
Flat & low-slopeFree roof inspection with deck photos before we talk money - GAF and Owens Corning certified installation
Trusted Roofing Company for Torrance Homeowners
Finding a roofing company in Torrance means letting a stranger onto your property, and that’s the part most homeowners dread. Our Roofing Company in Torrance solves that problem before it ever starts. Every technician’s name and photo is sent to you before the visit. Every technician presents a photo ID badge at your door. Every price is written down before any work begins. Founded in 2000 and held to the Threshold Verified standard, Grant Whitlock and our team have spent over two decades protecting Torrance homes from the marine air, the summer heat, and the surprises hidden under old shingles. Call (424) 435-5428 and a live person answers, day or night.
Our Roofing Company in Lawndale and Torrance crews install and repair roofs across the area, from the hillside homes off Hawthorne Boulevard to the tree-lined streets of Southwood and Walteria. The salt air near the coast and the diurnal temperature swings inland work on roofing materials year-round. Shingles crack, flashing pulls away, underlayment gets brittle. We write down exactly what we find and exactly what it costs to fix. No surprises on the invoice, ever.
Roofing Contractor
A Roofing Contractor is a licensed professional who installs, repairs, and maintains the roofing system on your building, from the decking up through the shingles or metal panels. In Torrance, homeowners call us when a storm tears flashing loose, when a leak shows up on the ceiling, or when an aging roof finally stops doing its job. Mercer Roofing Co Torrance handles the full scope: tear-offs, re-decking, underlayment replacement, flashing repair, and full reroofs. Most roof repairs in Torrance run between $350 and $1,200 depending on the extent of damage and the materials involved. Full reroofs on a typical 1,800-square-foot Torrance home generally start around $9,000 and climb based on shingle grade, decking condition, and roof pitch.
Repair vs. Replacement
Small, localized damage rarely justifies a full reroof. We tell homeowners that plainly. If two shingles tore off near a vent, patch the area, match the color, and keep the rest of the roof intact. If decking is soft across half the roof plane, replacement is the honest answer, and we show you photos so the decision is yours.
What to Expect on Day One
The technician whose name and photo you received arrives in a marked uniform and presents a photo ID badge at the door. We inspect first, then write the price. No work starts until you approve the number on paper.
Styles & brands we work with
Roof Inspection
A Roof Inspection is a systematic examination of your roof’s shingles, flashing, underlayment, decking, vents, and gutters to identify current damage and likely future failures. In Torrance, we recommend an inspection any time a roof passes the 15-year mark, after a heavy storm, or before purchasing a home. Mercer Roofing Co Torrance performs inspections as standalone services or as part of any repair estimate. A standard roof inspection in Torrance runs $150 to $350. If you proceed with a repair we recommend, the inspection fee is typically credited toward the job.
Storm and Wind Damage Checks
Santa Ana winds and winter rain fronts tear more than shingles. We check pipe collars, ridge caps, step flashing, and the sealant around skylights, because those are the exact points where Torrance roofs leak first. You get a written report with dated photos so you can file an insurance claim if the damage warrants it.
Pre-Purchase Inspections
Buying a home in Torrance? A roof inspection before closing can save you from inheriting someone else’s deferred maintenance. We document the roof’s remaining service life, note any code issues, and give you a line-by-line estimate of what repairs would cost. That number belongs in your purchase negotiation.
Commercial Roofing
Commercial Roofing covers the flat and low-slope roof systems found on Torrance office buildings, warehouses, retail strips, and industrial properties. Unlike residential shingle work, commercial roofing typically involves membrane systems like TPO, PVC, or modified bitumen, plus regular maintenance to keep warranty coverage alive. Our Roofing Company in Carson also maintains and repairs commercial roofs across Torrance, including the light-industrial corridors near Del Amo and the retail clusters along Hawthorne and Crenshaw Boulevards. Commercial roof repairs in Torrance typically run $500 to $2,500 per service. Coating or restoration projects run $3.50 to $7.50 per square foot depending on the existing system.
Keeping the Building Dry
A commercial leak rarely announces itself politely. It usually appears as stained ceiling tiles above a tenant’s desk or product sitting in a puddle. Our crews patch membrane seams, reset drain collars, and rebuild flashing detail with the same care a surgeon would give a wound. The fix should be invisible by the time we leave.
Maintenance Contracts
For Torrance property managers, we offer scheduled maintenance plans that align with manufacturer warranty requirements. Most commercial membrane warranties require documented twice-yearly inspections. We handle the documentation and the cleaning, and we flag small problems before tenants ever notice them.
Metal Roof Installation
Metal Roof Installation is the process of fastening interlocking steel or aluminum panels directly to your roof deck, creating a surface that routinely lasts 40 to 60 years. In Torrance, metal roofs handle the coastal salt air far better than asphalt shingles, and they reflect a large portion of the solar heat that pounds South Bay homes in August. Mercer Roofing Co Torrance installs standing-seam and exposed-fastener metal roofs on homes and light commercial buildings. Metal roof installation in Torrance typically runs $14,000 to $28,000 for an average home, with standing-seam at the higher end and corrugated or exposed-fastener panels at the lower end.
Standing Seam vs. Exposed Fastener
Standing seam uses hidden clips, so no fastener ever sits exposed to weather. It costs more and lasts longer. Exposed-fastener panels are an economical route for outbuildings, shops, or homeowners who want metal performance on a tighter budget. Both are good roofs. The difference is decades.
Why Metal Wins Near the Coast
Salt spray from the Pacific eats galvanized flashing and corrodes exposed roofing nails on ordinary shingle roofs. Factory-finished steel or aluminum panels resist that corrosion for decades. Grant Whitlock has watched metal roofs installed in the late 1990s along the Torrance and Rancho Palos Verdes coastlines still shedding water beautifully today.
Residential Roofing
Residential Roofing means the installation, repair, and upkeep of roofing systems on single-family homes, townhomes, and small multi-family buildings. In Torrance, that usually means asphalt shingle roofs on a sloped deck, with occasional tile or metal thrown into the mix. Mercer Roofing Co Torrance performs complete tear-offs, partial re-roofs, and precision repairs with shingle brands including GAF, CertainTeed, and Owens Corning. A full residential reroof in Torrance on a 1,600-to-2,200-square-foot home runs $9,500 to $18,000. Roof repairs run $350 to $1,400 for typical shingle, flashing, or vent work.
The Tear-Off Decision
Some roofs can accept a second layer of shingles. Most Torrance homes shouldn’t, because the decking underneath has already been breathing marine moisture for twenty years. We peel back a section and show you the wood before recommending anything. If the decking is solid, we say so. If it’s spongy, you’ll see it in a photo.
Protecting What’s Under the Roof
Dump trailers, tarps, and daily cleanup are not optional extras with Mercer Roofing. We cover landscaping, protect the gutters, and magnet-sweep the yard for nails at the end of every workday. The roof matters. So does everything under it.
Roof Maintenance
Roof Maintenance is the ongoing care of a roof system: clearing debris, cleaning gutters, resealing penetrations, and inspecting flashing so small problems stay small. In Torrance, where sycamore and pepper tree debris collects in roof valleys and gutters month after month, a maintenance plan extends the life of any roof by years. Mercer Roofing Co Torrance offers scheduled maintenance visits, either one-time tune-ups or seasonal packages. One-time maintenance visits in Torrance run $200 to $450, depending on roof size and debris load. Seasonal maintenance packages run $500 to $1,200 per year and include two visits.
The Debris Problem
Torrance trees drop leaves, seed pods, and twigs that trap moisture against shingles. Trapped moisture feeds moss and accelerates granule loss. A maintenance visit that takes a crew an hour can add five years to a roof. That’s not marketing. That’s arithmetic.
What We Actually Do
We clear valleys and gutters, inspect and tighten flashing, check pipe boots and vent collars, and reseal any gaps with a sealant rated for South Bay UV exposure. Then we photograph the work so you have a record. Every maintenance visit comes with a written condition report, so you know what we found and what’s fine.
Roof Coating
Roof Coating is the application of a fluid-applied membrane, usually silicone, acrylic, or elastomeric, that seals the existing roof surface and reflects sunlight. It’s most common on flat and low-slope commercial roofs, but it also protects residential flat sections, like porches and balconies. In Torrance, a good coating can add 10 to 15 years of service life to a flat roof without a full tear-off. Mercer Roofing Co Torrance applies silicone and acrylic coatings on residential and commercial flat roofs. Roof coating in Torrance runs $3.50 to $7.50 per square foot, so a typical 1,000-square-foot flat roof costs $3,500 to $7,500.
Silicone vs. Acrylic
Silicone handles ponding water, which is exactly what happens on most Torrance flat roofs after a good winter rain. Acrylic is less expensive but breaks down faster under standing water. We recommend silicone for any Torrance roof that holds water for more than 48 hours after a storm, and we explain the price difference up front in writing.
When Coating Is the Right Call
If the underlying roof membrane is still sound but the surface is weathered and seam lines are opening, coating beats replacement every time. If the membrane is cracked or split through, coating just postpones a bill you’ll pay within a few years. We inspect and tell you which situation you’re in. The written price makes the decision easier.
Free Roof Estimate
A Free Roof Estimate is a no-obligation, written price for any roof repair, installation, or maintenance service, provided before any work begins. Mercer Roofing Co Torrance includes detailed line items, materials, labor, and the full scope of work in every estimate. No verbal numbers. No handshake deals. Homeowners in Torrance call (424) 435-5428, schedule a visit, and get the exact number on paper. The estimate is free whether you hire us or not, and the price we quote is the price you pay. No change orders, no surprises.
What’s In the Written Estimate
Every Mercer estimate lists the work line by line: tear-off, decking repair, underlayment, shingles, flashing, vents, cleanup, and disposal. Materials are named by brand and model. Labor is itemized separately. You’ll see exactly where every dollar goes before you commit to one of them.
How to Compare Estimates Fairly
Two roofing estimates can look $3,000 apart and actually be for the same work, just written differently. We tell homeowners to compare line items, not bottom lines. Check the underlayment spec. Check whether decking replacement is included or “as needed.” Mercer spells everything out so you can compare honestly.
See the difference
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We install and repair shingles from Owens Corning, including their Duration and Oakridge lines, which handle Torrance’s hot summers and wet winters well. Our crews complete Owens Corning’s installation training and follow their nailing patterns exactly, because that’s what keeps the wind warranty honest. If your Owens Corning roof has storm damage, call us before you call anyone else.
We also work extensively with IKO shingles, particularly their Cambridge line, and with Atlas shingles, including StormMaster and Pinnacle. Each brand has specific nail-zone requirements and ventilation specs, and we don’t cut corners on either. Whether your roof wears Owens Corning, IKO, Atlas, or any other make, Mercer Roofing Co Torrance can diagnose it, repair it, and stand behind the work for a full 365 days.
Signs You Need a Pro Right Now
- Water stains spreading on your ceiling. A stain means water has already penetrated the roof deck and is collecting inside the attic. The leak is often feet away from the stain, following a rafter or truss. Delaying repairs turns a $400 flashing fix into a $3,000 drywall and insulation job.
- Granules collecting in your gutters or at the base of your downspouts. Shingle granules are the roof’s sunscreen. When they wash off in quantity, the asphalt underneath is exposed to Torrance’s relentless UV. A roof losing granules now is a roof that will start cracking within a couple of seasons.
- Curling, cracked, or missing shingles after a storm. Santa Ana winds and winter squalls pry shingles loose. Once one lifts, rain gets under the entire field. If you can see daylight between shingle tabs from the ground, the underlayment is already exposed and working alone.
- Daylight visible through the roof boards inside your attic. Go up with a flashlight on a bright afternoon and turn the light off. If you see sunbeams through the decking, water can find the same path. This condition often means decking replacement, not just new shingles.
- Sagging areas or a roofline that isn’t straight. A sag usually means the decking has been wet for a long time and is losing its structural strength. That’s a safety concern as well as a leak concern. Call us at (424) 435-5428 and describe what you see. We’ll tell you honestly whether it’s urgent.
Our Process, Step by Step
- 1
Call and talk to a human. A live person at Mercer Roofing Co Torrance answers the phone 24/7. No voicemail, no callback form. You describe the problem in your own words, and we schedule a visit at a time that works for you.
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Meet your technician at the door. Before the visit, we send the technician’s name and photo to your phone. When they arrive, they present a photo ID badge and wear a marked uniform. You know exactly who is on your property before you open the door.
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Get the roof inspected and documented. We walk the roof, check the attic, and photograph everything. You see the exact areas of concern, not a vague description. We explain what’s urgent, what can wait, and what’s fine.
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Receive a written, line-item price. Before any work starts, you get the full scope and the full price on paper. Materials are named. Labor is itemized. The price we quote is the price you pay.
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Work is done, cleaned up, and guaranteed. We perform the repair or installation, protect your property during the job, and clean up thoroughly when we’re done. Every repair carries a written guarantee backed by our 365-Day Done Right Promise. If it’s not right within a year, we make it right.
How Much Does Roofing Company Cost in Torrance?
Roofing costs in Torrance depend on the scope, the material, and the condition of what’s underneath. A small repair like replacing a pipe boot or patching flashing runs $350 to $600. A larger repair involving torn shingles, decking patches, and new underlayment runs $800 to $1,400. A complete reroof on a typical Torrance single-family home runs $9,500 to $18,000, with the final number driven by roof size, pitch, shingle grade, and how much decking needs replacement. Flat roof coating runs $3.50 to $7.50 per square foot. Roof inspections run $150 to $350, credited toward any repair you approve.
What affects the price? Roof pitch matters: a steep roof is slower and more dangerous to work, so labor goes up. Decking condition matters most: if years of Torrance’s damp air have softened the plywood, replacing it adds real cost, but skipping it dooms the new roof. Shingle brand matters: GAF, Owens Corning, IKO, and Atlas all make good products at slightly different price points, and we discuss the trade-offs honestly. The way to avoid overpaying is to get a line-item written estimate and compare it against another line-item written estimate. Ours comes free, with no obligation, and includes exactly what we’ll do and what it will cost. Call (424) 435-5428.
Our Service Area Near Torrance
Mercer Roofing Co Torrance serves homeowners throughout the South Bay and neighboring communities. We’re regularly roofing in Roofing Company in Inglewood, Roofing Company in Carson, Hawthorne, Lawndale, El Segundo, Rancho Palos Verdes, Palos Verdes Estates, Westmont, Willowbrook, Florence-Graham, and Signal Hill. If you’re near Torrance, we’re near you. Most estimates in our service area are scheduled within a few days of your call.
Serving Torrance, CA - Our Local Coverage Area
We’re based in the Torrance area and know this community well. Use the map below to see our service coverage - if you’re nearby, we can almost certainly help.
Frequently Asked Questions About Roofing Company in Torrance
A roofing company installs, repairs, maintains, and replaces the roofing system on your home or building, including shingles, metal panels, flat membranes, flashing, underlayment, and decking. Mercer Roofing Co Torrance handles all of these, from small leak repairs to complete tear-offs. Every job starts with a written price and ends with a written guarantee. Call (424) 435-5428 to talk through what your roof needs.
A typical single-family reroof in Torrance takes 2 to 5 days depending on roof size, pitch, and decking condition. Weather in the South Bay occasionally slows the work, but we protect your home with tarps at the end of every workday. We give you a schedule in writing before we start, and we stick to it.
Most roof repairs in Torrance run $350 to $1,400, with precise figures depending on what’s damaged and what materials your roof uses. Smaller fixes like replacing pipe boots or resealing flashing run at the lower end. Larger repairs involving decking and underlayment run higher. Your exact price comes in writing before any work starts. Call (424) 435-5428 for a free estimate.
Yes. We install and repair shingles from Owens Corning, IKO, Atlas, and other major brands including GAF and CertainTeed. Our crews follow each manufacturer’s installation specifications, including nail placement and ventilation requirements. If your Torrance roof wears any major shingle brand, we can diagnose and repair it correctly.
We prioritize active leaks and roof emergencies, and a live person at (424) 435-5428 will get your call answered 24/7. While no roofing company can promise a technician at your door the instant you call, Grant Whitlock and our team make active water intrusion our first scheduling priority. We’ll tell you honestly when we can be there and what to do in the meantime.
Every repair from Mercer Roofing Co Torrance includes a written guarantee backed by our 365-Day Done Right Promise. If the repair fails within a year, we come back and make it right at no charge. Manufacturer warranties on shingles run separately and vary by brand, and we document your installation so those warranties stay valid.
You don’t need to do much. Clear small items away from the roofline if you can, make sure we can access the attic if you have one, and keep pets inside while we’re on the roof. The technician whose name and photo you received will handle the rest, and we’ll walk you through our findings with photos before any money changes hands.
Schedule Your Roofing Company Service in Torrance Today
A real person answers when you call Mercer Roofing Co Torrance at (424) 435-5428. Tell us what’s happening with your roof, and we’ll schedule a free, no-obligation estimate at a time that works for you. You’ll know exactly who’s coming, exactly what the work will cost, and exactly what’s covered by the 365-Day Done Right Promise. The consultation is free and the price is in writing before any nail is driven.
Written by Grant Whitlock, Owner at Mercer Roofing Co Torrance, serving Torrance since 2000.