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
Roofers in Commerce, CA
Roof inspection in Commerce usually starts with a flat-roof problem: a seam opening on a modified bitumen system, a blister that finally cracked, or a tar-and-gravel roof that’s been silently alligatoring through three straight summers of 90-degree heat. We’re Millstone Roofing, and we’ve served Commerce since 2011. Our inspection-first process means you get written findings before anyone proposes work, and you choose from seven major material brands, not whatever we happen to stock. Call (855) 341-6021 to schedule your inspection.
Why Commerce Homes Are Different
Commerce isn’t a typical residential roofing market, and anyone who treats it like one is going to misdiagnose the problem. The city’s housing stock splits two ways: mid-century single-family homes, many built in the 1950s and 1960s, and a vast stretch of warehouse and light-industrial buildings along Telegraph Road, Bandini Boulevard, and the rail corridors. On the residential side, those older homes often have low-slope or flat sections that previous owners patched over rather than replaced. On the commercial side, property owners are dealing with built-up roofs that have been cycling through inland basin heat for thirty or forty years.
Summer temperatures in Commerce regularly push past 90°F, and the UV exposure doesn’t just age a roof, it cooks the sealants and membranes. Thermal cycling, the daily expansion and contraction from hot days to cool nights, is what opens seams and flashings. By the time October rain arrives, leaks that started as hairline cracks in July have become active water intrusion points. We inspect first, so we can tell you whether that leak is a $400 repair or the first sign that a 35-year-old built-up roof has reached the end of its service life.
Styles & brands we work with
Our Main Commerce Services
Most Commerce homeowners and property owners call us for one of two reasons: a leak that needs repair now, or a roof that’s reached the point where patching no longer makes sense. Here’s what each involves in Commerce specifically.
Roof Repair in Commerce
Commerce repairs tend to fall into two buckets: residential patching on older low-slope sections, and commercial flat-roof work on warehouses and industrial buildings. The commercial side is where we see the most deferred maintenance, because a leaking seam on a 20,000-square-foot warehouse doesn’t always show itself until inventory gets wet. We document every finding in writing, then give you a line-item quote before any work starts. For a deeper look at how repair works in Commerce, see our Roof Repair in Commerce page.
Roof Replacement in Commerce
When a Commerce roof has been patched repeatedly, or the underlying membrane has lost its flexibility, replacement becomes the honest recommendation. On commercial buildings, that often means tearing off a failed built-up roof and installing a modern modified bitumen or single-ply system. On homes, it may mean converting a flat section to a properly sloped assembly. We carry seven major brands so the material recommendation fits your roof and your budget. See our Roof Replacement in Commerce page for the full picture.
What happens when you call
- 1
A real person answersNo phone trees — you reach a local pro.
- 2
You get an upfront price rangeHonest numbers before anyone is dispatched.
- 3
A background-checked tech heads outLicensed & insured, dispatched right away.
- 4
You approve before work beginsNothing starts until you say go.
Roof Inspection in Commerce
Roof inspection in Commerce is the right first move for almost every roofing concern because the city’s mix of aging single-family homes and decades-old warehouse roofs means the real problem is rarely visible from the ground. A flat roof can look fine from the parking lot while its seams are quietly failing under inland basin UV exposure. We inspect first, so every repair or replacement recommendation comes with documented findings, not guesswork. That’s the basis of our Roof Inspection service, and it’s how we’ve approached Commerce roofs since 2011.
Roof Inspection Services
Signs you need it
Water stains on ceiling tiles or interior drywall, visible blistering or alligatoring on a flat roof surface, or granules collecting in gutters on shingle sections all warrant a professional inspection.
What it costs in Commerce
A standard residential roof inspection in Commerce typically runs $200 – $375, while commercial flat-roof inspections on warehouse properties start around $400 and vary with square footage.
How we do it
We walk the entire roof surface, check seams, flashings, penetrations, and drainage, then photograph and document every finding in a written report you can hold onto.
Roof Estimate
Signs you need it
If you’re weighing repair versus replacement, or if an insurance claim or property sale requires a documented roof valuation, a written estimate gives you the numbers to decide.
What it costs in Commerce
Roof estimates in Commerce are typically free when they follow a paid inspection, and range from $150 – $300 as a standalone line-item when detailed condition documentation is required.
How we do it
We use the inspection findings to build a line-item estimate for the exact work your roof needs, so you’re comparing real scopes of work, not vague ballpark numbers.
What Roof Inspection Costs in Commerce
| Item | Typical range in Commerce |
|---|---|
| Standard residential inspection | $200 – $375 |
| Commercial flat-roof inspection (warehouse/industrial) | $400 – $900 |
| Standalone written estimate / condition report | $150 – $300 |
What does a roof inspection cover in Commerce?
It covers the roof surface, seams, flashings, penetrations, and drainage, with written documentation and photos of every finding. We also check for the heat and UV damage patterns common on Commerce flat roofs. Call (855) 341-6021 to schedule yours.
Do I need an inspection before a repair quote in Commerce?
Yes, and it’s the only honest way to quote a repair. Guessing at a leak’s source without walking the roof leads to wrong fixes and repeat visits. Our inspection findings become the basis for every repair price. Call (855) 341-6021.
Brands We Service in Commerce
We work with seven major shingle and roofing material manufacturers, including GAF, Atlas, Tamko, and Boral. Because we stock multiple lines, the material recommendation comes from your roof’s condition and your budget, not from what’s easiest for us to order. See our brands for the full lineup.
See the difference
Before
After
Before
After
Before
AfterPricing for Roofers in Commerce, CA
| Service | Typical range in Commerce |
|---|---|
| Standard residential roof inspection | $200 – $375 |
| Commercial flat-roof inspection | $400 – $900 |
| Standalone written estimate / condition report | $150 – $300 |
| Minor shingle or tile repair | $250 – $600 |
| Flat-roof seam / flashing repair | $400 – $1,200 |
| Built-up roof patch (commercial) | $600 – $2,500 |
| Coating application over existing flat roof | $1,800 – $4,500 |
| Partial residential re-roof (low-slope section) | $2,500 – $6,000 |
| Full residential roof replacement | $8,000 – $18,000 |
| Full commercial flat-roof replacement | $15,000 – $60,000+ |
What pushes price up in Commerce is access: tight warehouse sites, rooftop HVAC units that need to be worked around, and the need to do most flat-roof work in the early morning before surfaces get too hot. We quote a fixed written price, so you know the number before we start and it doesn’t change mid-job.
Neighborhoods We Serve in Commerce
We cover all of Commerce, including the residential streets mixed in with the warehouse districts and the commercial corridors where most of the flat-roof work happens. Response time for inspections anywhere in Commerce is typically a few business days, depending on the season and the complexity of the roof.
- The residential blocks near Bandini Boulevard
- The industrial corridors along Telegraph Road
- The warehouse district near the rail yards
- Properties along Slauson Avenue
- Homes near the Commerce Civic Center area
Service Area – Cities Near Commerce
Millstone Roofing also serves the neighboring communities around Commerce, including Maywood, CA, Bell, CA, Cudahy, CA, and Bell Gardens, CA. If you’re just outside the 90101 ZIP, call (855) 341-6021 and we’ll confirm whether we cover your street.
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 Roofers in Commerce
Most residential inspections in Commerce can be scheduled within a few business days. Commercial flat-roof inspections on larger warehouse properties may take longer to schedule, since they require a full rooftop walk and more documentation. Call (855) 341-6021 to get on the schedule.
Permit requirements depend on the scope of work and whether the building is residential or commercial. In our experience, full replacements on commercial properties in Commerce typically require permits, while minor repairs often don’t. We handle the permit process when it applies.
Yes. Commerce is unusual in how evenly split its roofing demand is between single-family homes and industrial buildings. We inspect, repair, and replace both, and the same inspection-first process applies whether your roof is 1,500 or 50,000 square feet. Call (855) 341-6021 for a free estimate.
Call Millstone Roofing at (855) 341-6021 to schedule your roof inspection in Commerce. Every recommendation comes with documented findings, and every quote is a fixed written price.
What happens when you call
- 1A real person answersNo phone trees — talk to a local roofing pro.
- 2You get an upfront price rangeHonest numbers before anyone is dispatched. No surprises.
- 3We come out and measureLicensed & insured, at a time that suits you — the visit and the quote are both free.
- 4You get the price in writingLine-itemed, yours to keep, and nothing starts until you say go.
What Commerce Customers Say
"Fixed the leak and it has stayed fixed through a wet winter. Scheduling the initial estimate took about a week and a half, so they're clearly busy."
— Yolanda Mendoza"Valley had been done without proper underlayment and was leaking. Redone correctly, and he explained exactly what had been wrong so I could understand it."
— Eric Chen"Added a ridge vent and cleared the blocked soffit vents. Attic temperature in the summer dropped noticeably and the upstairs is livable now."
— Riya Rao