Architectural shingles
Metal roofing
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 Roof Repair Across Commerce
Roof repair in Commerce usually comes down to two realities: flat commercial roofs that have been baking under Inland sun for decades, and small-lot homes where access is tight and neighbors are close. We work both. Our crews know Commerce’s warehouse districts, its industrial corridors off Slauson and Eastern, and the tract-home streets where staging a roofing truck takes planning. If you’re dealing with a leak, ponding water, or flashing that’s pulling loose, call (833) 467-4901. We’ll send someone out to look at the actual roof, not just quote you over the phone.
Why Huntington Beach Roofers Is Commerce’s Preferred Roof Repair Company
Commerce roofing work is different from roofing in Huntington Beach or Long Beach. It’s denser. Lots are smaller, buildings abut each other, and a flat roof on a 1960s warehouse doesn’t behave like a shingle roof on a two-story house. We’ve done enough repair work in Commerce to know what that means for staging, for permits, and for keeping the neighbors from calling the city on a crew that’s blocking an alley.
Homeowners and property managers in Commerce call us because we carry materials from seven manufacturers, including GAF, Atlas, and Tamko, so when a low-slope roof needs a modified-bitumen patch or a scupper rebuild, we’re not forcing one brand because that’s all we stock. We inspect first, recommend second. Some roofs need a $600 flashing repair. Some need a full membrane replacement. We’ll tell you which one actually makes sense, because repair or replace, the building owner deserves a straight answer.
We also handle the unglamorous part of Commerce roof work: parking. There often isn’t any. Our crews have worked off narrow alleys behind industrial buildings where the dump trailer sits on Slauson while the roof access happens from a rear ladder. We plan for that before the quote, not after the job starts.
Styles & brands we work with
Metal Roof Repair in Commerce
Metal Roof Repair in Commerce typically involves sealing failed lap seams, replacing corroded fasteners with gasketed screws, and rebuilding curbs or penetrations where the metal has pulled away from the flashing. On Commerce’s light-industrial buildings, metal roofing is usually standing-seam or exposed-fastener panels over a low slope, and the failure mode is almost always the same: expansion and contraction from summer heat loosens fasteners, then winter rain finds the gaps. A seam reseal on a small commercial run runs $800 – $1,400. Replacing a rusted-through panel section with new 26-gauge material and butyl tape at the laps typically lands between $1,800 and $3,200 depending on roof height and access.
Call (833) 467-4901 for a free estimate. We’ll tell you what’s actually failing before recommending the fix.
Leak Repair on Metal Roofs
When water shows up on the ceiling of a Commerce warehouse, the leak is rarely directly above the stain. Water travels along purlins and collects at the low point of a bay. We trace the path back to the source, which is usually a failed screw gasket or an open lap that’s been letting water wick sideways for months.
Flashing and Curb Repair
Exhaust fans, HVAC curbs, pipe penetrations. On a metal roof, those are the weak points. We remove the old sealant, clean the metal, install new counterflashing, and use UV-rated sealant that holds up to Commerce’s summer heat. Most curb repairs take one day.
Commercial Roof Repair in Commerce
Commercial Roof Repair in Commerce means working on buildings where the roof is a business asset, not a homeowner’s headache. Flat built-up roofs, modified-bitumen caps, and aged single-ply membranes on post-WWII tilt-ups and warehouses dominate the city. The work usually involves finding ponding water, rebuilding drains and scuppers, and replacing cracked membrane at seams that have baked in the sun. A typical commercial roof patching job in Commerce runs $1,200 – $2,800. Rebuilding a failed scupper and the surrounding deck section of a flat roof often lands between $3,500 and $6,000 because it requires cutting out wet substrate, drying the cavity, and tying the new membrane into existing layers.
Commerce’s roofs sit under some of the region’s most intense UV exposure. Membrane cracking along scupper edges is common, and so is the discovery that the wood deck below has been rotting for years without any interior sign. We treat every commercial repair as a deck investigation, not just a surface patch.
Flat Roof Patch and Membrane Work
We work with modified bitumen, BUR, and TPO. For older Commerce roofs, modified-bitumen patches on BUR systems tend to hold best because they match the expansion characteristics of the original roofing. A clean patch on a properly prepared deck can last a decade.
Scupper and Drain Rebuilds
Standing water is the thing that kills Commerce roofs. We recently repaired a failed scupper on a 1960s flat-roof warehouse near the intersection of Slauson and Eastern, where ponding had rotted the decking. Our crew replaced the damaged section, installed new flashing, and applied a modified-bitumen membrane, all while staging equipment in a narrow alley and notifying adjacent tenants per Commerce’s work-hour rules. That’s a standard Tuesday for us.
Trusted Brands We Service in Commerce
We’re authorized to install roofing products from seven leading manufacturers: GAF, CertainTeed, Owens Corning, IKO, Atlas, Tamko, and Boral. For Commerce work, we keep Atlas and Tamko modified-bitumen products stocked and ready, along with GAF flashing components and sealants that match the most common commercial systems in the city. Seven brands. One contractor. That means when a roof was originally installed with a specific brand, we can patch and repair it with compatible materials rather than telling you the only option is a full tear-off. For property managers handling insurance claims, brand-specific documentation is part of our normal process. Call (833) 467-4901 and we’ll tell you what your roof needs and what it’ll cost.
See the difference
Before
After
Before
After
Before
AfterCommon Roof Repair Problems We See in Commerce Homes
Commerce’s housing and building stock follows a pattern. Here’s what we see most often:
- Ponding water on flat and low-slope roofs. Clogged scuppers and drains after winter rain leave standing water that quietly rots the deck. By the time a tenant or homeowner sees a stain, the substrate underneath has usually been wet for months.
- Failed flashing on shared party walls. Commerce’s small lots mean many buildings share walls. When flashing at the party-wall junction fails, water doesn’t just damage the building being repaired. It damages the neighbor’s unit too, which turns a repair into a dispute if it’s not caught early.
- UV-cracked membranes on aging flat roofs. Intense summer heat bakes built-up and modified-bitumen surfaces until they alligator-crack. Those cracks widen every year, and the first big winter storm forces water through.
- Loose fasteners and failed lap seams on metal roofs. Metal expands and contracts daily in Commerce’s temperature swings. Screws back out, gaskets fail, and laps open up. Regular fastener replacement prevents most of the leaks.
Pricing for Roof Repair in Commerce, CA
Here are honest numbers for the Commerce market. A small flashing repair on a residential roof runs $450 – $750. Flashing replacement at a party wall or chimney runs $900 – $1,600. Flat roof patching on a commercial building runs $1,200 – $2,800, and a full scupper rebuild with deck repair runs $3,500 – $6,000. Metal roof seam resealing runs $800 – $1,400, and panel replacement runs $1,800 – $3,200. What moves the price is roof access. A building where the crew can park in a lot and ladder up is cheaper than one where the dump trailer sits on Slauson and all materials go up by hand through an alley. We give written line-item quotes, and the price doesn’t change once work starts. Call (833) 467-4901 for a free estimate, and we’ll send someone to Commerce who knows the difference.
We Also Serve Cities Near Commerce
We regularly send crews to Commerce’s neighboring communities, including Maywood, Bell, Cudahy, and Bell Gardens. The same flat-roof and tight-lot conditions show up across the southeast corridor. If you’re managing a property in any of those cities, call (833) 467-4901 and ask for our Roof Repair team. We’ll schedule an inspection at a time that works for the tenants.
Serving Commerce, CA — Our Local Coverage Area
We’re based in the Commerce 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 Commerce
Commerce requires permits for most roof repairs that go beyond a simple patch or coating, especially on commercial buildings and any work changing the roof structure or covering. What differs from neighboring cities is the speed of plan review. Commerce is smaller, so the counter isn’t as backed up as larger cities, but its inspectors are strict about scupper sizing and drainage compliance on flat roofs. We pull the permits. That’s part of every quote we write for Commerce work.
Expect tight. Our crews stage materials in the smallest possible footprint, often in an alley or with a lane closure permit on the adjacent street. We notify adjacent property owners before the job starts, and we schedule deliveries so dump trailers aren’t sitting on the street for days. If your building has no parking at all, we price the job knowing materials go up by hand. Call (833) 467-4901 and we’ll walk the site before we quote.
Commerce enforces standard Los Angeles County noise ordinances. Roofing work typically runs Monday through Friday between 7:00 a.m. and 6:00 p.m., with limited Saturday work by approval. For commercial buildings adjacent to residences, we keep tear-off and compressor work to mid-morning hours whenever possible. We’ve handled jobs on shared-wall buildings where the neighbor’s complaint was the schedule, not the work. Planning prevents that.
We inspect the party-wall junction first, document the condition with photos, and coordinate with the neighboring property owner before we touch shared flashing. Because water damage from a failed party-wall flashing crosses property lines, the repair often involves access to both sides. We handle that communication, and we install new metal counterflashing that ties into both roof planes. It’s slower than a standalone repair, but it keeps the repair from becoming a dispute.
Ponding water at clogged scuppers and drains is the most common issue we see in Commerce. Flat roofs were built for drainage, but debris, collapsed drain baskets, and a decade of deferred maintenance turn them into shallow ponds. The standing water rots the deck below, and by the time a tenant sees a stain, the repair is structural, not cosmetic. Call (833) 467-4901 if you have standing water after rain. The longer it sits, the more expensive the fix.
If you’re in Commerce and you need a straight answer about a roof repair, call (833) 467-4901 to schedule a free estimate. We inspect first, recommend second, and we’ll tell you if repair or replacement actually makes sense for your building. From the first inspection to the final shingle, Roof Repair in Commerce is work we do every week.
Written by Neil Stratton, Owner at Huntington Beach Roofers, serving Commerce since the company’s founding.