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 Roof Repair Across Westwood
If you need Roof Repair in Westwood, you’re likely dealing with a leak, missing shingles, or ice dam damage from last winter. Most roof repairs in Westwood run between $350 and $1,800 depending on what’s actually under the shingles once we open things up. Koreatown Roofing is a roofing-only contractor, and we send crews to Westwood regularly, so we know what these mill-era houses throw at you. Call (866) 974-2271 and we’ll get a roofer out to look at the problem, usually within a day or two depending on the weather.
Why Koreatown Roofing Is Westwood’s Preferred Roof Repair Company
Westwood isn’t a tract-home suburb. The housing stock here grew up around the Flanigan Mill, which means the roofs we repair in Westwood sit on 1910s to 1950s framing, not modern engineered trusses. Our crews have opened enough of these roofs to know what to expect before we even lift the first shingle. We work in Westwood because the homeowners here ask questions and want straight answers about materials, not a sales pitch for whatever’s in stock. Roofing is all we do. Every job, every day. That’s why Westwood property owners call us instead of a general contractor who happens to know a roofer.
We carry parts and materials from multiple manufacturers, so a repair quote reflects what your Westwood roof actually needs, not what one supplier happened to have on the shelf. And because we’re a neighborhood-rooted company, our reputation in Westwood matters more than the volume of jobs we can push through. You’ll see us around town after the work is done. That’s accountability you can’t get from a call center.
Styles & brands we work with






Flat Roof Repair in Westwood
Flat Roof Repair in Westwood is a different animal than shingle work, mostly because of snow. The high-desert elevation here means roofs that don’t shed snow well end up carrying heavy loads for months, and that weight finds every weak seam, every old patch, every dried-out lap joint. On mill-era houses with low-slope porch roofs or later add-on rooms, we’re usually looking at ponding water, torn membrane, or failed flashing at the wall intersection. A typical Flat Roof Repair in Westwood runs $450 to $1,600 depending on how much membrane we need to replace and whether the decking underneath has rotted from trapped moisture.
Membrane Patching and Seam Repair
Ponderosa needle build-up is the usual starting point. Needles dam water at the edge of a flat section, water pools, and the membrane separates at a seam. We clean the area, dry it out, apply a compatible patch, and reseal the laps. If the membrane is brittle from years of UV, we’ll show you what that looks like and recommend how much life it actually has left. No scare tactics. Just an honest read.
Drainage and Taper Repairs
Flat sections on older Westwood homes often lack proper slope, so water sits instead of draining. We’ll build up a tapered layer to move water toward the scupper or drain, and replace any rotted decking we find under the membrane. The goal is to stop the repair from being a repeat visit every spring. You should know exactly what we’re doing and why before materials hit the roof.
Shingle Roof Repair in Westwood
Shingle Roof Repair in Westwood usually starts with a leak at a penetration: a chimney, a vent boot, a valley, or the edge where freeze-thaw cycles have done their work. The snow sits, melts, refreezes, and pries up shingles that were fine last summer. Then the summer sun bakes those lifted shingles until they crack. When we open up the repair area on these older Westwood homes, we find original hand-nailed shingles overdrawing original 1x sheathing more often than anyone wants to admit. A standard Shingle Roof Repair in Westwood runs $380 to $1,700, with the bigger number reflecting decking replacement and underlayment work once we see what’s underneath.
Valley and Flashing Repair
Valleys are where Westwood roofs fail first. Pine needles pile up, moisture sits against the valley metal, and ice dams back water under shingles every winter. We strip the valley clean, replace damaged metal, install fresh underlayment, and re-shingle so water actually moves through instead of pooling. When we find layered tear-offs, we have to decide with you whether to remove just the damaged section or the full build-up. We’ll show you photos and give you a number before any extra work starts.
Decking and Underlayment Replacement
This is the part of the repair that changes your quote. We set aside a decking allowance in writing, then we open the roof. If the 1920s 1x sheathing is overdrawn with rot, we replace it. If there’s no ice and water shield and you want the roof to actually survive a Westwood winter, we install it. On a mill-era house near the old mill site, our crew opened a valley repair and found three layers of hand-nailed shingles over original 1920s sheathing with no underlayment at all. We replaced the rotted decking, laid down ice and water shield, and re-roofed with GAF architectural shingles, a starter strip, and new drip edge. The homeowner approved every upgrade in writing before we touched it.
Trusted Brands We Service in Westwood
Your roof, your material choice. That’s how we work in Westwood. We install and repair products from GAF, Atlas, and Tamko, among others, and we can source shingles that match the look of older mill-era homes instead of forcing you into whatever one brand offers. Because we keep relationships with multiple manufacturers, we aren’t bound to a single supplier’s inventory. That means faster turnaround for Westwood repairs when we need a specific color or profile. We work with the brands you already trust, and we’ll match what’s already on your roof whenever the manufacturer still makes it.
See the difference
Before
After
Before
After
Before
AfterCommon Roof Repair Problems We See in Westwood Homes
- Ponderosa needle accumulation in valleys and behind chimneys. Westwood sits inside national forest land, so pine needles are a year-round fact of life. They trap moisture against the roof and create ice dams that back water under shingles every winter.
- Multiple layered tear-offs hiding rot underneath. Mill-era houses often have two or three layers of shingles over original decking. You can’t see failed underlayment or rotted decking until the roof is opened, which means your repair quote has to account for what we might find.
- Snow load and freeze-thaw damage at penetrations. Deep wet snow, then a thaw, then a hard freeze: that cycle pries shingles loose and cracks flashing around pipe boots, chimneys, and vents. Leaks start small and show up months later as soffit and fascia stains.
- Overdrawn original sheathing that’s lost its fastener grip. After a century, roofing nails in old-growth fir or pine don’t hold the way they used to. We re-nail, patch, or replace decking so the new repair doesn’t pull loose in the first big wind.
Pricing for Roof Repair in Westwood, CA
Smaller fixes like vent boot replacement in Westwood start around $300 to $500. Flashing repair at a chimney or plumbing stack runs $400 to $900. Valley repairs, especially when decking is rotted, land between $800 and $1,800. Full shingle sections with ice and water shield and new underlayment start around $1,200 and go up from there based on size and what we find underneath. The largest cost driver on Westwood homes is hidden decking rot. We handle that with a written decking allowance, and any change is priced and approved before we start. Call (866) 974-2271 for a free estimate with line-item pricing. No vague promise of what it “might” cost, just numbers you can compare.
We Also Serve Cities Near Westwood
Koreatown Roofing covers Westwood and the surrounding communities, including San Fernando, Northridge, North Hills, and Shadow Hills. Same roofing-only crew, same seven-brand material choices, same local accountability you expect in Westwood. Call us and you’ll get a roofer, not a call center dispatcher.
Serving Westwood, CA — Our Local Coverage Area
We’re based in the Westwood 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 Westwood
Usually you’ll find original 1x sheathing that’s been overdrawn with multiple layers of hand-nailed shingles, and often there’s no ice and water shield anywhere. The decking is frequently rotted at valleys and eaves, and the underlayment has failed in patches. We write a decking allowance into every repair contract on older Westwood homes, and we show you what we find before any additional work is approved. Call (866) 974-2271 if you want an honest assessment before you commit to anything.
We inspect first, document everything with photos, and bring the findings to you in writing before we replace anything beyond the quoted scope. The decking allowance in your contract sets a per-sheet price, so you know exactly what additional decking will cost. If framing damage is found, we price that separately and get your written approval before touching it. You won’t get a surprise invoice from us at the end of the job.
Westwood’s elevation on the Modoc Plateau means deep wet snow, freeze-thaw cycles, and ice dams at the eaves and in valleys. Ice and water shield is the self-sealing membrane that prevents water backed up by ice dams from reaching the decking. Most older Westwood homes were built without it. We recommend it at valleys, eaves, and around penetrations on every repair where we’re opening the roof.
Needles from surrounding national forest timber collect in valleys, behind chimneys, and at roof-to-wall intersections, trapping moisture against shingles and flashing. That trapped moisture feeds the freeze-thaw cycle and accelerates rust on flashing and rot in decking. We recommend cleaning valleys in the late fall and again in spring, and we’ll flag any accumulated needle dams when we’re on your roof. It’s the most common local trigger for valley repairs we do in Westwood.
Ask whether the quote includes a decking allowance, whether ice and water shield is included at valleys and eaves, and whether the contractor is roofing-only or a generalist who will subcontract the work. Ask what happens if the repair reveals hidden rot, and get that answer in writing. On old mill-era homes, the low bid is usually the bid that didn’t plan for what’s under the shingles. Call (866) 974-2271 and we’ll give you a detailed written estimate you can compare line by line.
Written by Manny Cordero, Owner at Koreatown Roofing, serving Westwood and surrounding communities with roof inspection, repair, and replacement.