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 comes with a specific set of conditions most roofers in the LA basin don’t think much about. You have older mid-century tract homes with low-pitch and flat sections, small multi-family buildings, and a heavy industrial footprint that changes how roofs fail. We know the difference between a leak caused by ponding on a built-up cap sheet and one caused by a failed vent boot on a shingle roof, because we’ve opened both in Commerce. If you need a straight answer about what’s happening on your roof, call us at (866) 217-3967. We’ll tell you what we’d do if it were our house.
Why Moreno Valley Roof Repair Is Commerce’s Preferred Roof Repair Company
We are not a one-brand shop trying to sell you whatever shingle we have in the yard. We install and service materials from GAF, CertainTeed, Owens Corning, IKO, Atlas, Tamko, and Boral. That matters in Commerce because the right repair on a flat warehouse roof near the 710 is not the same as the right repair on a mid-century tract house off Telegraph Road. We carry multiple product lines so the recommendation matches the roof, not our inventory.
Ruben Ibarra leads our crews, and the way we run a Commerce job is simple. We inspect first, write the scope, and put allowances in the contract for anything we expect to find once we open the roof. If we find something nobody expected, you see it in writing with a price before we touch it. No change orders that show up after the fact. That’s how we’ve earned repeat calls from Commerce homeowners and property managers who’ve been burned by vague quotes before.
We also serve Roof Repair in Commerce as a regular part of our service area, so we’re not driving in from two counties away and guessing at local conditions. When a Commerce roof fails, it fails the way these specific roofs fail. We’ve seen it enough to know what to look for before we even set up the ladder.
Styles & brands we work with






Roof Leak Repair in Commerce
Roof Leak Repair in Commerce usually means tracing water that’s been moving through an older built-up or modified-bitumen roof, or through a tired shingle section on a mid-century tract home. The first job is finding the actual entry point, which is rarely directly above the ceiling stain. Water travels along rafters, caps sheet laps, and dried-out flashing for feet before it drops. We track it back. Typical leak repairs in Commerce run $350 to $900 depending on whether we’re replacing a section of cap sheet, repairing flashing around a penetration, or pulling back membrane to dry out soaked decking. A simple vent boot replacement on a shingle section runs $180 to $400.
Low-Slope and Flat Roof Patching
Much of Commerce’s housing stock, and nearly all of its commercial core, sits under low-slope or flat roofs. We patch built-up roofs, modified bitumen, and single-ply membranes. A patch on a flat section near the Citadel Outlets area with soot-trapped grime and early delamination typically runs $450 to $1,100 depending on how far the membrane has separated from the deck.
Fascia, Soffit, and Drip Edge Repair
Commerce’s mid-century stucco homes have original fascia and soffit boards that have absorbed decades of LA basin sun and the occasional curious leak. When a leak runs along the roof edge, it rots the fascia behind the gutter and softens the decking under the membrane. Replacing a rotted fascia section and resetting drip edge and flashing typically runs $600 to $1,400 in Commerce. We always check the decking under the membrane once we open the edge, because if it’s soft, patching over it only buys you a year or two.
Emergency Roof Repair in Commerce
Emergency Roof Repair in Commerce is usually a flat commercial roof that’s ponding after a heavy rain, or a residential leak that’s gone from a drip to an active stream during a storm. We respond to Commerce emergency calls with temporary protection first: tarp, sealant, or a water cut-off layer that stops the bleeding until a permanent repair is scheduled. Emergency response and temporary sealing on a Commerce flat roof typically runs $500 to $950. Permanent emergency repairs, where we open and repair the membrane same-visit, run $700 to $1,600 depending on the size of the failed area and what we find underneath.
Ponding Water and Membrane Failure
Commerce’s flat roofs near the 5/710 interchange collect soot and grime fast, which hides delamination until a rainstorm puts water on the roof and the membrane lets go. We find ponding water sitting against deteriorated cap sheet, usually at the low points where drains should be moving water but are clogged or undersized. We repair the membrane and clear or reset the drainage so the same failure doesn’t come back in six months.
Storm and Wind Damage Response
When a Santa Ana wind event rips a section of membrane or lifts shingle edges on a Commerce roof, the repair is time-sensitive. Exposed decking soaks rain and rots fast. We get out, secure the area, and either complete the repair on the spot if the decking is sound, or tarp and schedule the full repair for the next available slot. You’ll know exactly what we’re doing and what it costs before we start.
Trusted Brands We Service in Commerce
We stopped tying ourselves to one manufacturer years ago. On any given Commerce roof we might recommend GAF for a steep shingle section, Boral for a mid-century tile detail, or Tamko for a budget-conscious flat-roof patch. We stock common repair materials locally for Commerce jobs, including cap sheet, modified bitumen, underlayment, vent boots, and flashing. That means less waiting on a warehouse order when your roof is open and the dry season window is closing. If a customer has a strong preference for a product they’re carrying, we respect it. If they ask us what we’d pick for their roof, we tell them and we back it with the install.
Common Roof Repair Problems We See in Commerce Homes
- Recoating over a failed cap sheet. In Commerce’s flat-roof housing and commercial stock, we see roofs that have been recoated three or four times without ever stripping the delaminated layers underneath. New coating hides the problem until ponding water and trapped grime cause a full membrane failure. We strip back to sound decking instead of adding another layer.
- Rotted fascia and softened decking at the roof edge. The mid-century stucco homes near Maywood and Bell have original fascia behind gutters that’s been quietly rotting for years. A “small” leak at the drip edge turns into a structural repair once we open it up. We always check the decking before we put anything back on.
- Attic surprises on old tract homes. When a Commerce roof repair opens a ceiling or soffit, we often find kraft-faced insulation, outdated wiring running through the attic, and framing that was never sized for a modern re-roof. If we expose wiring or framing that’s a code issue, we flag it and get your written approval before we do anything about it.
- Flat-roof membrane breakdown from heat and UV. Commerce’s basin location means intense summer sun on flat and low-slope roofs. Cap sheet and modified bitumen dry out, crack, and separate from the deck years before a coastal roof would. Recoating over that delayed failure is the most expensive shortcut we see. Repairing it correctly once is cheaper than repairing it three times.
See the difference
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AfterPricing for Roof Repair in Commerce, CA
Here’s what we actually see on Commerce jobs. Leak tracing and repair: $350 to $900. Flat roof patching: $450 to $1,100. Fascia, drip edge, and flashing repair: $600 to $1,400. Emergency response and temporary sealing: $500 to $950. Full emergency repair including membrane work: $700 to $1,600. Larger re-roofs of flat sections run higher, and we’ll give you a written line-item quote before any work starts. The price moves when the roof is hiding something, which old Commerce roofs often do. That’s why we write allowances into the contract and send photos and written approval requests before we spend any of it. Call (866) 217-3967 for a free estimate on your specific roof.
We Also Serve Cities Near Commerce
Our service area covers Commerce and nearby cities, including Maywood, Bell, Cudahy, and Bell Gardens. If you’re just outside Commerce and looking for Roof Repair with a straight estimate and material options, call us. We’ll be honest about the condition of your roof, whether it’s a simple patch or something closer to a replacement decision.
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
Most low-pitch and flat roofs in Commerce can be repaired without a full replacement if the decking is still sound and the membrane failure is localized. We strip back to sound decking, replace the failed section with new cap sheet or modified bitumen, and reseal the laps. If we open it and find decking rot across a wide area, or the membrane has delaminated from edge to edge, we’ll show you photos and give you a repair-versus-replace comparison with real numbers. Call (866) 217-3967 and we’ll assess it honestly.
In Commerce, most repairs land between $350 for a simple vent boot and $1,600 for a substantial emergency membrane repair. Quotes move when the roof is hiding something: rotted fascia behind a gutter, softened decking under a membrane that looked fine from above, or old wiring and framing exposed when we open a ceiling. We write allowances into every contract for these known unknowns, and any surprise gets a photo and a written price before we proceed. You never get a change order after the work is done. Call (866) 217-3967 for a quote with allowances built in.
It happens often enough that we plan for it. Commerce’s mid-century tract homes and small multi-family buildings often have original kraft-faced insulation, outdated wiring run through the attic, and framing that was never sized for modern roofing loads. If a repair opens a ceiling or soffit and exposes wiring or framing that isn’t up to current code, a permit triggers the upgrade. We write that into our contracts as an allowance up front, and we get your written approval on any code work before we touch it. Ruben Ibarra runs our crews on these jobs and signs off on the final scope.
Yes. We repair flat commercial roofs across Commerce, including the warehouse and shop stock near the 5/710 interchange and the Citadel Outlets area. Those roofs take extra soot and UV load from the freeway and industrial neighbors, which accelerates membrane breakdown and hides ponding damage. Emergency response with temporary sealing runs $500 to $950, and if we can complete the permanent repair in the same visit, that runs $700 to $1,600. Call (866) 217-3967 and we’ll get someone out to look.
Yes. We install and service GAF, CertainTeed, Owens Corning, IKO, Atlas, Tamko, and Boral. If you have an existing CertainTeed shingle section that needs matching, we’ll match it. If you have an Owens Corning flat-roof product we service it. Our recommendation is driven by what your roof actually needs, not by whatever brand we have the best buying program with. We’ll tell you the real difference between a GAF and Tamko product for your specific Commerce roof before you spend on anything.
Get Your Commerce Roof Assessed Before You Spend
Know what your roof actually needs before spending a dollar on repair or replacement. We offer standalone Roof Inspections in Commerce, which means you can get a professional assessment of the roof’s condition without any obligation to hire us for the repair. If the roof needs a simple patch, we’ll tell you. If it’s near the end of its service life, we’ll show you the numbers on repair versus replacement with multiple material options. That’s the only way to make a decision you won’t regret in three years. Call (866) 217-3967 to schedule your free estimate in Commerce.
Written by Ruben Ibarra, Owner at Moreno Valley Roof Repair, serving Commerce and surrounding communities.