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 Replacement Across Hawthorne
A full roof replacement in Hawthorne typically runs $9,800 – $24,000 depending on roof size, pitch, and how many old layers need tearing off. Most jobs take 2 – 5 days once materials land. If you’re reading this because a roofer told you a repair will “hold for a few more years” on a house built in 1953, you deserve a second opinion. We work throughout Hawthorne weekly and know the tract homes, the shallow pitches, and the surprises hiding under old shingles. Call (855) 382-1073 and we’ll schedule a roof inspection that tells you the truth, not what’s easiest to sell.

Why Barnwood Roofing Is Hawthorne’s Preferred Roof Replacement Company
We’ve torn off more Hawthorne roofs than we can count, and the pattern is consistent. Mid-century tract homes off Rosecrans, Prairie, and Inglewood Avenue carry two or three layers of reroofing over original tar-and-gravel. That changes how we bid, how we schedule, and how we handle what we find once the old roof comes off. Homeowners in the 90250 and 90251 zip codes call us because we explain what’s actually under the shingles before we touch anything. Ruben Calloway runs our crews the way a craftsman runs a job site: measure twice, price honestly, and never bury a surprise cost.
Ruben’s approach is simple. We inspect first. Then we recommend. If your roof has five more years in it, we’ll tell you that and talk repair. If a replacement is the only honest answer, we’ll show you why with photos and measurements. That’s the difference between a company that makes money on repairs and one that only profits when you replace. We do both, so we don’t have a reason to push you either way.
Styles & brands we work with






Flat Roof Replacement in Hawthorne
Flat Roof Replacement in Hawthorne is a different job than what roofing companies in beach cities deal with. Most Hawthorne flat roofs sit on 1940s and 1950s single-story stucco tract homes with original built-up tar-and-gravel assemblies, often buried under a couple of shingle layers added by previous owners who didn’t know better. A proper flat roof replacement here means full tear-off to the deck, decking inspection, and installing a low-slope membrane system that actually meets manufacturer warranty requirements for the pitch.
A typical flat roof replacement in Hawthorne runs $11,000 – $22,000 for a standard 1,200 – 1,800 sq ft home. The spread comes down to decking condition, how many layers have to come off, and whether we’re dealing with a true flat roof or a shallow low-slope hip roof that someone shingled incorrectly years ago. Permits and inspection fees add $400 – $900 depending on the scope.
Decking and Vent Stack Replacement
On flat and low-slope roofs, water sits longer after rain, and decades of that standing moisture rots decking slow and quiet. When we tear off a Hawthorne flat roof, we typically replace 15 – 30% of the decking. Original vent stacks from the 1950s are usually undersized for modern code, so we swap those while the roof is open and flash everything new.
Low-Slope Membrane Systems
If your Hawthorne roof has a pitch under 3:12, shingles won’t meet manufacturer warranty thresholds. We install modified bitumen or TPO membrane systems matched to the actual slope, with new drip edge and flashing at every penetration. This isn’t a corner we cut. It’s the difference between a roof that fails in year six and one that lasts 25.
Roof Installation in Hawthorne
Roof Installation in Hawthorne on a 1950s tract house almost always starts with tear-off, because most of these homes still carry their original built-up roof plus two or three shingle layers on top. That’s a lot of weight on framing that wasn’t designed for it. A new roof installation here is really a rebuild: strip everything to the deck, assess the framing, replace what’s failed, and install a system matched to the actual pitch rather than what a previous owner chose forty years ago.
Full roof installation with architectural shingles on a standard Hawthorne single-story runs $9,800 – $16,500 depending on square footage and decking replacement. If we’re switching a low-slope roof to a membrane system, plan for the higher end of that range. The permit process with the City of Hawthorne adds a day or two for inspection scheduling.
Architectural Shingles on Mid-Century Homes
Most Hawthorne homes can take architectural shingles, but only if the pitch is 3:12 or steeper. On the shallower hip roofs common north of El Segundo Blvd, we recommend a low-slope membrane instead. Ruben will show you the pitch measurement and the manufacturer’s warranty language before you choose a material.

Tear-Off and Decking Investigation
We never shingle over an existing roof in Hawthorne. Too many of these homes have hidden heat-cycling damage from the inland sun, and adding another layer just buries the problem deeper. Every installation we do starts with full tear-off and a decking inspection in writing, with photos of anything we find before we price the fix.
Trusted Brands We Service in Hawthorne
We install and service roofing systems from seven manufacturers, including CertainTeed, Owens Corning, IKO, and Atlas. That matters in Hawthorne because no two tract homes age the same way. A shallow-pitch 1949 hip roof needs a different product than a steeper 1963 gable. Because we’re not tied to one brand, we recommend what fits your roof’s actual pitch, sun exposure, and budget. We keep common flashing, underlayment, and membrane materials staged for our Hawthorne jobs, which keeps turnaround tighter than most shops running out of a regional warehouse.
See the difference
Before
After
Before
After
Before
AfterCommon Roof Replacement Problems We See in Hawthorne Homes
- Layered reroofs hiding heat-cycling damage. Hawthorne’s inland location means bigger daily temperature swings than Manhattan Beach or El Segundo. Decades of expansion and contraction crack underlayment and loosen fasteners, and patched repairs conceal it until tear-off exposes soft decking.
- Shallow pitches that fail shingle warranty thresholds. Original hip roofs on Hawthorne tract homes often sit at 2:12 or 2.5:12. Shingles installed on those pitches void the manufacturer’s warranty and fail early. We switch these to low-slope membrane systems.
- Undersized original vent stacks and penetrations. The 1950s plumbing and vent stacks were smaller than modern code requires. Once we remove the old assembly, those penetrations leak at the flashing unless we replace them while the roof is open.
- Water damage around chimneys and skylights on older stucco exteriors. The stucco on these mid-century homes moves differently than the roof assembly, so flashing at the transition points fails first. We reflash and reseal every chimney and penetration as part of the replacement.
Pricing for Roof Replacement in Hawthorne, CA
Here’s what you should expect to pay in Hawthorne, based on the jobs we’ve completed here in the last few years. A standard architectural shingle replacement on a 1,200 sq ft single-story runs $9,800 – $14,500. Flat or low-slope membrane systems run $11,000 – $22,000. Adding full decking replacement adds $2,800 – $6,000 depending on how much has rotted. Permits run $400 – $900. The biggest cost variable in Hawthorne is tear-off labor, because most homes carry multiple old layers that have to come off before we can start rebuilding. We give every Hawthorne homeowner a written line-item quote with allowances for decking and framing surprises, so you know the worst-case number before we start. Call (855) 382-1073 for a free estimate.
We Also Serve Cities Near Hawthorne
Barnwood Roofing handles Roof Replacement throughout the South Bay. Beyond Hawthorne, we regularly work in Del Aire, Inglewood, Lennox, and Lawndale. Same inspection-first approach, same written quotes, same crews. If you’re in a neighboring city and wondering about your roof, call us and we’ll get a crew out to look.
Serving Hawthorne, CA — Our Local Coverage Area
We’re based in the Hawthorne 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 Replacement in Hawthorne
Because most Hawthorne homes have multiple old roof layers hiding decking damage that can’t be seen until tear-off. We handle this by writing allowances into your contract upfront. You approve any additional work in writing before we touch it. Call (855) 382-1073 and we’ll walk you through how our quotes are structured so nothing changes without your sign-off.
No, and we won’t. Most original Hawthorne tract roofs sit below the 3:12 pitch that shingle manufacturers require for warranty coverage. Shingling over that pitch means early failure and a voided warranty. We’ll measure your pitch and recommend a low-slope membrane system instead. It costs a bit more up front and lasts decades longer.
As many as are there. We’ve pulled three layers of asphalt shingles off original tar-and-gravel on Hawthorne homes. Each layer adds tear-off labor and disposal fees, typically $1,500 – $3,500 more depending on the stack. We’ll tell you how many layers you’re carrying after the inspection, and your quote will include the full tear-off.
Yes. When we pull a roof permit in Hawthorne, the inspection often requires upgrades that were never addressed in past reroofs: undersized vent stacks, inadequate decking nails, or missing drip edge. We price those upgrades into the quote as allowances so the first time you hear about them isn’t a surprise invoice. Call (855) 382-1073 for a quote that accounts for code realities on these older homes.
Look for three things: is the tear-off included, is decking replacement priced as an allowance or a separate line item, and does the pitch qualify for the shingle warranty they’re quoting. Many bids in Hawthorne look cheaper because they skip full tear-off or assume decking is fine. We’ll show you our line items and what to check on the other bid. Call (855) 382-1073 and we’ll help you compare honestly.
On a 1952 single-story stucco tract house off Hawthorne Blvd, our crew tore off three layers of asphalt over the original tar-and-gravel and found failed decking plus vent stacks that weren’t sized for modern code. The pitch was too shallow for architectural shingles under current warranty thresholds, so we switched the assembly to a low-slope membrane with new flashing and drip edge. That’s what we mean when we say a Hawthorne roof replacement is really a tear-off and decking investigation. If you’re tired of contractors who quote before they look, call (855) 382-1073 and ask for Ruben. He’ll come out, get on the roof, and tell you what’s actually there. Free estimate, no obligation.
Written by Ruben Calloway, Owner at Barnwood Roofing, serving Hawthorne and the South Bay.