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 Northridge
Roof repair in Northridge usually means finding what a rushed post-earthquake patch left behind. Most homes here were built between the 1950s and 1970s, took a serious hit in 1994, and got put back together fast. Thirty years later, those emergency fixes are failing. We know what opening up a Northridge roof actually turns up because we’ve done it hundreds of times. Whether it’s a ceiling stain in a 91325 stucco home near Reseda Boulevard or a valley seam pulling loose in 91330, our Roof Repair team gets it diagnosed honestly. Call (866) 942-4187 for a free estimate.
Why Orange County Roofing Co Is Northridge’s Preferred Roof Repair Company
Local reputation matters more than a billboard. Northridge homeowners call us because we actually explain what’s under the tile or shingle, not just what a quick patch will cost. Led by Kurt Hensley, our crew has worked roofs across Northridge long enough to recognize the earthquake-era repair patterns most contractors miss. We’re honest about material trade-offs because we carry seven major brands – Owens Corning, IKO, Atlas, Tamko, and others – so the right product wins, not the one with the highest margin. No one-brand pitch.
We also show up when we say we will. Northridge summers hit 100°F regularly, and a small leak becomes a big problem fast in that heat. Our inspection is a standalone service: you schedule it, we document what the roof actually needs, and you decide. Nothing more.
Styles & brands we work with






Roof Leak Repair in Northridge
Roof Leak Repair in Northridge often starts with a stain on the ceiling and ends with a discovery under the tile. In this part of the San Fernando Valley, leaks usually trace back to one of three things: cracked concrete tiles from decades of UV exposure, failing underlayment that was patched instead of replaced after 1994, or flashing that popped loose as the roof expanded and contracted through 100° summers and wet winters.
A straightforward leak repair in Northridge typically runs $350 to $850, depending on whether we’re replacing a section of underlayment, rebuilding a valley, or just resealing a penetration. When we open the roof and find deeper quake damage, we stop, photograph it, and price it in writing before any additional work starts. That’s how Kurt runs every job.
Underlayment and Quake Patch Repairs
After the 1994 earthquake, a lot of Northridge roofs were repaired in a hurry. We routinely find patched underlayment that was never meant to last this long. Replacing a failed section and properly lapping it costs $650 to $1,200 on most tile roofs here.
Flashing and Valley Seam Repairs
Thermal cycling opens flashing seams at valleys and penetrations long before the damage shows inside. Rebuilding a valley flashing on a Northridge home typically runs $400 to $900. We use the same material thickness the manufacturer specs, not whatever is on the truck.
Emergency Roof Repair in Northridge
Emergency Roof Repair in Northridge means something different here than it does in, say, the coastal cities. This is the Valley. When winter rain finally arrives after months of dry heat, roofs that held all summer suddenly leak at every weakened seam. We prioritize Northridge calls because we know the housing stock and we know what a storm can do to a 1970s roof that’s been cooked by 100° summers.
For an emergency tarp and water mitigation, Northridge homeowners should expect $300 to $600. A same-visit repair of a blown-open flashing or a slipped tile runs $500 to $1,100. The real cost driver is what we find underneath. If the decking is rotted, we document it and give you a line-item scope before we replace it.
Storm and Rain Event Response
When a storm opens a seam, the priority is stopping interior damage. Our crew carries the materials to tarp and reseal the same day, and we schedule the permanent repair as soon as the roof is dry enough to work.
Hidden Quake Damage Found During Emergencies
We’ve pulled back tiles during an emergency repair and found cracked tile fields and shifted underlayment from a 1994 patch. That’s not a delay, it’s an answer. We price it, you approve it in writing, and we fix it once instead of coming back every winter.
Trusted Brands We Service in Northridge
We’re authorized to install products from seven major roofing manufacturers: GAF, CertainTeed, Owens Corning, IKO, Atlas, Tamko, and Boral. For Northridge homeowners, that means we can match the existing tile or shingle on your roof, or we can recommend a better-performing material without trying to sell you a brand we happen to stock more of. We keep local access to common Northridge tile profiles and shingle colors, so a repair blends instead of standing out. If your roof needs an IKO shingle to match the original, we get it. If Atlas makes a better tile for the Valley heat, we’ll tell you that too. The right material for your roof, backed by the manufacturer’s own warranty.
See the difference
Before
After
Before
After
Before
AfterCommon Roof Repair Problems We See in Northridge Homes
- Cracked concrete tile from Valley heat. Northridge sits in one of the hottest parts of Los Angeles. Concrete tile from the 1960s and 70s has been baking for 50-plus years, and a hairline crack lets water straight down into the decking.
- Failed underlayment hidden under intact-looking tile. Tile can look fine while the underlayment beneath is dry-rotted. This is the single most common thing we find on Northridge roofs after the first real rain of the season.
- Flashing pulling loose at valleys and penetrations. Extreme temperature swings between summer and winter open seams slowly. By the time water shows on the ceiling, the flashing has usually been failing for months.
- Quake-era patches that were never meant to last. After 1994, speed mattered more than permanence. We regularly open a Northridge roof and find mismatched tiles and patched underlayment from a rebuild done three decades ago.
Pricing for Roof Repair in Northridge, CA
Here’s what Northridge homeowners should actually budget. A single tile replacement runs $250 to $450. A standard flashing repair at a pipe boot or vent runs $350 to $600. A valley rebuild runs $400 to $900. Replacing a section of failed underlayment runs $650 to $1,200. Full leak diagnosis with a written report is $295, and that fee is waived if we do the repair. The biggest cost variable in Northridge is what’s under the surface. If we find post-1994 quake damage or rot, we show you photos, write the scope, and get your approval in writing before any money changes hands. Call (866) 942-4187 for a free repair estimate.
We Also Serve Cities Near Northridge
While this page focuses on Roof Repair in Northridge, our crews regularly work in North Hills, Encino, Van Nuys, and Valley Glen. The housing stock and failure patterns are similar across the west Valley, so we apply the same inspection-first approach whether the home is in 91324 or a few blocks over in 91327.
Serving Northridge, CA — Our Local Coverage Area
We’re based in the Northridge 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 Northridge
Because the underlayment beneath the tile is almost always the failure point. Northridge’s heat bakes the underlayment for decades, and after 1994 a lot of it was patched rather than replaced. The tiles can look perfect while the felt underneath is brittle and cracked. We inspect the underlayment, not just the surface. Call (866) 942-4187 to schedule a diagnostic.
A roofing square is 100 square feet of roof surface. When a bid says “$450 per square,” that’s $450 for every 100 square feet. Most Northridge repairs don’t involve full squares; they’re line items for flashing, underlayment sections, or individual tiles. We write line-item scopes so you can compare bids side by side without doing math in your head.
Yes, depending on scope. If we’re just replacing a few tiles or resealing flashing, no permit is needed. If we’re opening the roof decking or rebuilding a significant section, Los Angeles building codes may require a permit, especially after seismic retrofitting rules changed post-1994. We tell you before we start whether a permit applies, and we pull it and close it out if it does. Estimates are free: (866) 942-4187.
You don’t, until someone looks underneath. The 1994 Northridge earthquake broke tiles and shifted framing on thousands of homes, and many repairs were cosmetic. We look for cracked tile fields, mismatched tile replacements, shifted underlayment, and slack flashing at valleys. Our inspection documents it all with photos, whether or not you hire us to repair it.
If granule loss is widespread and shingles are curling across more than 30% of the roof, replacement is usually cheaper over five years than repeated repairs. If the damage is isolated to one slope or a few heat-baked areas, a targeted repair makes sense. We’ll give you an honest recommendation based on the actual condition, not a commission. Call (866) 942-4187 and we’ll inspect it.
Written by Kurt Hensley, Owner at Orange County Roofing Co, serving Northridge and the San Fernando Valley. We carry seven major roofing brands so you choose the roof that fits your home and budget – not ours.