Metal roofing
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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 Repair Across West Los Angeles
Roof repair in West Los Angeles usually costs between $350 and $1,800 for most leak fixes, flashing work, and shingle or tile resets, and a full flat-roof patch on a mid-century apartment building typically runs $900 to $3,500 depending on how much of the membrane has failed. We get called most often for hidden leaks on 1920s and 1930s homes where the tiles look fine from the street but the underlayment underneath has given up. If water is getting into your ceilings, walls, or attic anywhere from Cheviot Hills to Sawtelle, call (213) 521-8272, and we’ll send someone out to give you a written price before any work begins. We serve West Los Angeles daily, know these older rooflines well, and send every technician’s name and photo to you before they arrive.
Why Mercer Roofing Co Los Angeles Is West Los Angeles’s Preferred Roof Repair Company
We’ve worked on enough Spanish Colonial and Tudor Revival homes along the streets off San Vicente Boulevard and up around the Veterans Administration campus to know exactly where West Los Angeles roofs fail first. That local experience means we don’t show up and do a visual once-over from the curb. We climb up, we lift tiles, we check flashing at the valleys and eaves, and we look for the salt-air corrosion that decades of ocean breeze leaves behind. Homeowners in West Los Angeles call us because we tell them the truth about what their roof actually needs, in writing, priced before we start.
Every Mercer technician is background-checked, identity-verified, and uniformed. Before your appointment, you get the technician’s name and photo. When they ring the bell, they’ll badge in with a photo ID. That’s the Threshold Verified standard, and it’s held across every Threshold Group location. If you’re home alone, or it’s just you and the kids, that’s the kind of detail that matters. Our crews around West Los Angeles are held to that same standard on every single visit, no exceptions.
Grant Whitlock leads our Los Angeles team, and the company was founded in 2000 as part of the Threshold Group family. We answer the phone with a live person 24/7, not a voicemail tree. If you call at 6 a.m. before work because you spotted a wet spot on the bedroom ceiling, a real human picks up. Every repair we do in West Los Angeles includes a written guarantee, and if the repair fails within a year, the second visit is free. That’s the 365-Day Done Right Promise, and it’s included with every job, every time.
Styles & brands we work with
Emergency Roof Repair in West Los Angeles
Emergency Roof Repair in West Los Angeles most often means a Santa Ana wind event lifted tiles or a downpour broke through a flat roof membrane and water is coming into the house. When that happens, the first thing to do is stop more water from getting in, then get a real fix scheduled fast, not a tarp that stays for a month. Most emergency repairs in West Los Angeles run between $500 and $2,000 for temporary waterproofing plus permanent repair, depending on how much surface area has failed. We send a technician with plywood, peel-and-stick membrane, and stainless fasteners ready to secure the damaged area and get the roof watertight.
Securing Lifted Tile and Torn Membrane Before the Next Rain
On older clay tile roofs in West Los Angeles, Santa Ana winds don’t just lift one tile. The wind gets under the edge of the barrel tile, and since the original fasteners have often corroded from salt air, whole sections can slide. That’s when water gets straight into the underlayment and through the ceiling below. On flat roofs, the same wind can peel back a tired membrane along the parapet edge or around a roof drain.
We secure the lifted section, replace whatever fasteners or edge metal have failed, and lay a temporary peel-and-stick patch that keeps the home dry until the full repair is scheduled. Then we give you a written price to do the permanent fix right. No mystery estimates, no number that changes once we start pulling materials.
Stopping Active Leaks at Eaves and Valleys
West Los Angeles sees most of its rain in just a handful of winter storms. Those downpours hit valleys, scupper edges, and eaves hard, and if flashing has corroded or underlayment has disintegrated, the leak shows up fast. We start with the source of the water, not the stain on the ceiling, because water travels along rafters and usually shows up far from where it’s actually entering.
For an active leak, expect the temporary seal plus the permanent repair to run $600 to $2,400 in West Los Angeles. The permanent fix is the part that matters: replacing the failed flashing with hot-dip galvanized or marine-grade material, sealing penetrations properly, and testing the drain path before we call it done.
Flat Roof Repair in West Los Angeles
Flat Roof Repair in West Los Angeles is usually about alligator cracks and blisters on built-up roofs, failed membrane around scuppers and roof drains, or standing water that doesn’t drain off. Mid-century apartment buildings from the 1950s and 1960s, plus a lot of the postwar bungalows around West Los Angeles, have low-slope or flat roofs. The intense UV exposure here dries out the asphalt top layer until it cracks, and thermal expansion through long hot spells blisters the membrane, which then splits in the first winter rain. Most flat roof patches in West Los Angeles run $900 to $3,500, and full re-roofs on a larger apartment building go well beyond that.
Patch and Re-seal Work Around Drains and Scuppers
The first place a flat roof fails is where water leaves it. Scuppers and roof drains on West Los Angeles apartment buildings collect debris, and standing water sits around them for days after a storm. That’s where the membrane separates from the metal, where the old flashing pulls loose, and where water finds its way inside. We cut out the failed section, rebuild the drain transition, and use a compatible membrane patch with sealed seams.
A drain-focused repair usually runs $700 to $1,800. If the drain itself has failed or the surrounding decking is rotten, the cost goes up, but you’ll know the number before we touch the roof.
Resealing Flashing on Low-Slope Roofs
Salt air in West Los Angeles does a number on the metal. Standard galvanized drip edge and parapet cap flashing rust through within a decade, and the sealant that was used to bed it cracks. When we re-seal and replace flashing on a flat roof near the coast, we use stainless or hot-dip galvanized material, and we seal every joint with a marine-grade sealant. It costs more up front, but it’s the only way to keep from doing this same repair again in five or six years.
Expect to pay $1,200 to $3,500 to re-flash and re-seal the perimeter of a typical West Los Angeles flat roof, depending on linear footage and how much of the old metal has to be removed.
Trusted Brands We Service in West Los Angeles
We work with the shingle and tile brands common on West Los Angeles homes, including Boral, GAF, and Tamko. If your roof has genuine Boral clay tile from the original 1920s build, we don’t swap it for cheaper material; we repair properly with tiles that match the profile and patina, and we keep a stock of common matching tiles and underlayment components so we’re not waiting on a distributor for a week. For composition shingle roofs, we install and repair GAF and Tamko products to manufacturer spec, which keeps your warranty valid. We also carry the stainless fasteners, hot-dip edge metal, and marine-grade sealant that West Los Angeles roofs actually need.
Common Roof Repair Problems We See in West Los Angeles Homes
- Hidden underlayment failure under intact clay tile: Original 1920s and 1930s Spanish-style homes in West Los Angeles often have tiles that look perfect from the curb. Underneath, the 80-year-old felt has turned to dust, and the roof leaks at valleys and around vents while looking fine to anyone who doesn’t lift a tile.
- Salt-air corrosion on tile fasteners and flashing: Within five to ten years, standard galvanized nails and flashing on a West Los Angeles roof start to rust through. Tiles lift, drip edge pulls away at the eaves, and water gets behind the roof system.
- Alligator cracking and blistering on built-up flat roofs: Long, hot, dry summers bake the asphalt surface until it cracks in a pattern that looks like alligator skin. These cracks let water into the membrane, and once it freezes or the roof cycles through another heat wave, the membrane splits.
- Leaks at scuppers and roof drains on mid-century apartment buildings: The drains and scuppers on 1950s and 1960s low-slope roofs in West Los Angeles collect leaves and debris. Water ponds around them, the sealant fails, and the leak travels down through the building, sometimes showing up several units away.
See the difference
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AfterPricing for Roof Repair in West Los Angeles, CA
Here are honest price ranges for the most common roof repairs we do in West Los Angeles:
- Clay tile reset (small section): $450 – $1,200
- Underlayment replacement under clay tile (per 100 sq ft): $1,500 – $3,000
- Flashing repair or replacement at valleys, eaves, or chimneys: $450 – $1,600
- Flat roof patch around a drain or scupper: $700 – $1,800
- Emergency leak stop plus permanent repair: $500 – $2,400
- Vent boot or pipe boot replacement: $250 – $600
- Full flat roof re-seal and re-flash on a mid-century low-slope: $1,200 – $3,500
What changes the price: how many layers of old roofing have to come off, the condition of the decking underneath, whether the tile itself is salvageable, and how much marine-grade material the job requires. We give you a written line-item price before any work starts, and the price on that sheet is the price on the invoice. No change orders, no “we found extra damage” calls that triple the number. Call (213) 521-8272 and we’ll schedule a walkthrough with a real written quote.
We Also Serve Cities Near West Los Angeles
While this page covers West Los Angeles specifically, our crews also handle roof repair in nearby Los Angeles neighborhoods, Burbank, South Gate, and Lynwood. If you’re just across the 405 or down toward the 10 and need a hand, the same Mercer standard applies: written price, photo-badged technician, written guarantee. For a full look at the service area and what Roof Repair work we do, give us a call and we’ll get you sorted.
Serving West Los Angeles, CA - Our Local Coverage Area
We’re based in the West Los Angeles 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 West Los Angeles
If you’re seeing leaks at valleys, around vents, or along the eaves while the tiles above look intact, the underlayment has likely failed, and resetting tiles won’t stop the water. We lift a section of tile, inspect what’s underneath, and show you what we find. If the felt is powdery or torn, it needs replacement; if it’s still sound and only a few fasteners have rusted out, we reset the tiles with stainless fasteners and move on. Call (213) 521-8272 to schedule an inspection, and we’ll tell you which situation you’re in before any work starts.
We use hot-dip galvanized or stainless steel flashing for every repair we do in West Los Angeles, because standard galvanized metal doesn’t hold up against the salt air for more than a decade. Where the metal has to be compatible with a specific tile or membrane system, we spec the grade the manufacturer calls for and seal the joints with marine-grade sealant. It’s more expensive than the inland-spec metal, but it’s the difference between a ten-year repair and a thirty-year repair.
Yes, and it happens regularly. The tiles themselves can be in perfect shape, but if the original fasteners have rusted from decades of salt air, the tiles aren’t actually anchored to anything. The wind gets under the barrel profile, the section slides, and water pours into the underlayment. After a Santa Ana event, we inspect for loose tile, replace the corroded fasteners, and re-set everything securely. Call (213) 521-8272 for a post-wind inspection if you saw tiles shift.
Because the materials cost more, and the cheap version fails inside a decade. Stainless fasteners, hot-dip galvanized flashing, marine-grade sealant, and peel-and-stick underlayment all cost more per unit than the standard inland products, and they take a little more labor to install properly. A $450 standard flashing repair in the Valley might be $650 to $800 in West Los Angeles with coastal-spec material. But the inland-spec version on a West LA roof will need replacing again in five or six years, which makes it the more expensive job over time.
Look for the membrane condition at every penetration (drains, scuppers, vent pipes, HVAC curbs), photos of any alligator cracking or blistering, the condition of the flashing at parapet walls, and a specific note about ponding water and where it sits. If the report uses vague language like “showing age” without telling you exactly where and what needs fixing, ask for specifics. We give you a written report with photos, a line-item repair scope, and a price for each item, so you can decide what to do now and what can wait.
Contact Mercer Roofing Co Los Angeles
If your roof is leaking in West Los Angeles, or if you want a thorough written assessment before the next winter rain, call (213) 521-8272. We’ll answer the phone with a real person, schedule a time that works for you, and send a technician whose name and photo you already have. You’ll get a written price before any work starts, and every repair is covered by a written guarantee. Call today for your free estimate.
Written by Grant Whitlock, Owner at Mercer Roofing Co Los Angeles, serving West Los Angeles since 2000.