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
Fast, Reliable Roofing Company Across West Rancho Dominguez
Roofing work in West Rancho Dominguez is rarely a simple shingle swap. The housing stock here dates back to the 1950s and 60s, and decades of South Coast air basin sun have done real work on those roofs. We’re Mercer Roofing Co Torrance, and our crews know exactly what they’re walking into when they climb a ladder in this city, whether it’s a tract home off Compton Creek or a flat-roofed commercial building near the Dominguez Channel. Before any work starts, you get a written price. Before any technician arrives, you get their name and photo. Call (424) 435-5428 for a free estimate.
Why Mercer Roofing Co Torrance Is West Rancho Dominguez’s Preferred Roofing Company
Most roofing calls in West Rancho Dominguez start with a leak or a visible patch of missing shingles, and homeowners want two things: someone who answers the phone, and someone they feel safe letting inside. We do both. A live person picks up 24/7, not a voicemail tree. And every technician who comes to your door is background-checked, identity-verified, and wearing a photo ID badge under the Threshold Verified standard. You get their name and photo before they arrive, so when the doorbell rings, you know exactly who’s standing there.
Our Roofing Company team works on the specific roof types this city throws at us: original wood shake tear-offs, aging composition shingle on low-slope additions, and built-up commercial roofs that have baked under decades of inland sun. We don’t send a generalist. We send a roofer who has already worked on a dozen houses like yours within a few miles of Alameda Street. Homeowners in West Rancho Dominguez repeatedly tell us the same thing: the written quote matched the final invoice, and the crew left the yard cleaner than they found it.
Every repair includes a written guarantee, and our 365-Day Done Right Promise means if it’s not right within a year, we make it right. That’s not a slogan. That’s the rule.
Styles & brands we work with
Commercial Roofing in West Rancho Dominguez
Commercial Roofing in West Rancho Dominguez means dealing with a different animal than the residential roofs a few blocks away. The city’s industrial corridor along Santa Fe Avenue and the warehouse districts near the 91 Freeway are full of flat and low-slope buildings with built-up roofing, modified bitumen, and aging metal panels. These roofs fail differently than a house roof: ponding water after winter rains, failed seams at HVAC curbs, and rust-through on older metal decks. A commercial re-roof in West Rancho Dominguez typically runs $8 – $14 per square foot for a full tear-off and replacement, depending on insulation requirements and deck condition. Repairs on a leak at a penetration or seam usually land between $600 and $1,800.
We coordinate debris hauling to match LA County’s Construction & Demolition waste rules, which matters more here than people expect. The city’s mixed residential and industrial zoning means a permit inspector will sometimes check that your waste stream matches what’s actually coming off the roof. Get that wrong, and a straightforward job turns into a delay.
Built-Up Roof Repairs and Replacement
When a built-up roof starts alligatoring or splitting at the flashings, the first winter rain finds the path. We inspect the whole roof, not just the leak, because one failed seam usually means others are close behind. Repairs include cutting back loose felt, resealing with hot asphalt or cold-applied adhesive, and reinforcing the flashing at every curb and parapet.
Metal Roof Retrofit for Older Commercial Buildings
Many older commercial buildings in West Rancho Dominguez still have original metal roofing that’s beyond patching. A retrofit with new standing seam or exposed-fastener panels runs $10 – $16 per square foot here. It handles the UV load and needs far less maintenance over the next twenty years than another coating of built-up.
Metal Roof Installation in West Rancho Dominguez
Metal Roof Installation in West Rancho Dominguez works well for both the residential and commercial sides of this city. On homes, homeowners choose standing seam metal when they’re done dealing with granule loss and cracked shingles and want something that sheds heat and rain for decades. On commercial buildings, metal is often the right call for low-slope structures that can’t handle another layer of built-up. A standing seam metal roof on a typical West Rancho Dominguez home runs $14 – $22 per square foot installed. That includes tear-off of the old roof, new underlayment, and the metal panels themselves.
We install Atlas and Tamko metal roofing systems alongside standing seam panels, and we’re comfortable with the retrofit details older West Rancho Dominguez homes demand: raising penetrations, adding cricket flashing behind chimneys, and reinforcing the existing framing before we add panel weight.
Standing Seam for Homes
Standing seam metal gives you a roof that won’t hold embers the way old wood shake does. For homeowners near the city’s wildfire-risk boundary, that matters. The panels interlock above the roof deck, which means fewer exposed fasteners and fewer leak paths over time.
Exposed-Fastener Metal for Shops and Outbuildings
Detached garages and workshop buildings in West Rancho Dominguez often get exposed-fastener metal panels. It’s faster to install and costs less, typically $8 – $12 per square foot. We still replace the underlayment and check the deck before a single panel goes down.
Trusted Brands We Service in West Rancho Dominguez
We install and repair roofs from GAF, CertainTeed, Owens Corning, IKO, Atlas, and Tamko, and we stock common flashing, ridge cap, and underlayment materials for West Rancho Dominguez jobs at our local supply stops. Boral tile is available for homeowners who want the look of tile without the weight of concrete. Because we keep materials moving through this area weekly, we’re not waiting on a special order for most standard replacements. You get a written, line-item quote that names the exact product going on your roof, so there’s no mystery about what you’re paying for.
See the difference
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AfterCommon Roofing Company Problems We See in West Rancho Dominguez Homes
- Original wood shake roofs beyond repair. Homes built here in the 1950s and 60s often still have their original wood shake, and after sixty years, the shakes are split, cupped, and classified as a fire risk. Patching doesn’t solve it. The roof needs a full tear-off, and that tear-off has to follow LA County’s Construction & Demolition waste rules for debris separation and disposal.
- Reused flashing at chimneys and low-slope transitions. We find old, corroded flashing reused over and over on post-war homes, especially where a flat patio roof meets the sloped house roof. The first serious winter rain finds the same leak path. New flashing and proper counterflashing is the only fix that lasts.
- Dry-rotted decking under old composition shingles. When a roof has been overlayed once or twice without a decking inspection, the sheathing underneath is often rotten at the edges and valleys. Nailing new shingles into that decking is throwing money away. We inspect the deck and replace damaged plywood before anything else goes down.
- Ponding water on flat sections. Low-slope additions and patio covers in West Rancho Dominguez collect water because the original drainage wasn’t adequate, and the tar or coating has cracked. We correct the slope where possible or install tapered insulation, then apply a new membrane system that moves water off the roof.
Pricing for Roofing Company in West Rancho Dominguez, CA
A full roof replacement on a typical West Rancho Dominguez single-family home runs $9,000 – $18,000 depending on size, pitch, tear-off layers, and decking replacement. A roof repair, like replacing flashing or fixing a few missing shingles, usually lands between $450 and $1,600. For commercial flat roofs, repairs run $600 – $1,800 for a penetration or seam leak, while full commercial replacements run $8 – $14 per square foot. The wildcard on older homes here is decking: if the sheathing is rotted, expect to add $2 – $4 per square foot of replaced decking. We give you that number in writing before work starts, and it’s included in the quote, not sprung on you later. Call (424) 435-5428 to schedule your free estimate.
Our team knows West Rancho Dominguez’s mix of tract homes and industrial buildings well. If you’re near the Dominguez Channel or off Wilmington Avenue, we can usually get a technician out within a day or two to assess the roof. That assessment is free, and it comes with a written quote you can hold in your hand.
We Also Serve Cities Near West Rancho Dominguez
Our crews work throughout the South Bay and surrounding areas, including West Rancho Dominguez, Torrance, Inglewood, Carson, and Hawthorne. If you’re unsure whether we cover your street, call us. The answer is usually yes, and we’ll tell you straight.
Serving West Rancho Dominguez, CA - Our Local Coverage Area
We’re based in the West Rancho Dominguez 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 West Rancho Dominguez
We follow LA County’s Construction & Demolition waste rules exactly: the old shakes, felt, and fasteners are separated on-site, hauled by a licensed hauler, and disposed of at an approved facility. We give you the hauling manifest if you want it. Most homeowners get tripped up when they hire a low-bid roofer who dumps the debris illegally, and the fine lands on the property owner. We don’t cut that corner. The tear-off and disposal are written into your contract as a line item, so you know it’s handled properly. Call (424) 435-5428 and we’ll walk you through the process and the cost for your specific roof.
No, we won’t overlay on a roof that old, and here’s why: the low-slope section likely has saturated underlayment or rotten decking underneath, and overlaying hides the problem instead of fixing it. Plus, adding a second layer of shingles over original 1962 wood shake or composition usually violates current building code for your area. The right move is a full tear-off, a decking inspection, and new materials rated for low slope. That’s what we’d recommend and quote. Call (424) 435-5428 for a free estimate and we’ll inspect the roof before we quote anything.
A roof replacement in West Rancho Dominguez triggers a permit because LA County wants to verify the work meets current building code, including fire-resistant underlayment, proper fastening, and adequate ventilation. The inspector typically checks the nailing pattern, the underlayment type, the flashing at penetrations and valleys, and whether the decking meets code. If your roof has undersized framing like we found on a 1958 tract home near the Dominguez Channel, the inspector will require reinforcement before the roof can be closed up. We handle the permit and coordinate the inspection, and any code-triggered upgrades are priced and approved in writing before we touch them.
Yes, every quote we give is itemized in roofing squares (one square equals 100 square feet), so you can compare apples to apples with any other roofer in West Rancho Dominguez. The quote shows the number of squares, the material cost per square, the tear-off cost, the decking replacement cost, and the disposal fee. No lump-sum mystery number. We want you to compare because the more you see itemized, the better our written pricing looks. Call (424) 435-5428 and we’ll send a technician out to measure and itemize your roof.
For most commercial flat roofs in West Rancho Dominguez, we recommend metal when the structure can handle the weight and you want a 30-plus-year roof, and built-up roofing when the deck is lighter or you need a budget-conscious option that still performs. Metal runs roughly $10 – $16 per square foot installed, while built-up replacement runs $8 – $14 per square foot. The decision usually comes down to insulation needs, drainage, and how long you plan to own the building. We’ll inspect the roof and give you both options in writing with real numbers, not guesses. Call (424) 435-5428 to schedule a free commercial roof assessment.
Written by Grant Whitlock, Owner at Mercer Roofing Co Torrance, serving West Rancho Dominguez and the surrounding South Bay communities.