Masonry repair
Sweep & inspection
Caps & crowns
Flue relining
Gas fireplace serviceLevel 1 sweep and inspection to the NFPA 211 annual standard - flue, crown, cap, and flashing checked and photographed
Chimney sweep logs do not sweep chimneys. They loosen some creosote - which then falls where a brush and vacuum still have to collect it.
Fast, Reliable Chimney Repair Across Northridge
Chimney repair in Northridge typically runs $350 – $2,800 depending on the scope, and most mortar repointing or cap work is finished in a single day. We schedule from the Los Angeles office and dispatch uniformed, background-checked technicians directly to Northridge neighborhoods including Sherwood Forest, Devonshire Highlands, and the streets around CSUN. Call (661) 430-6125 and a live person answers – no voicemail trees, no callback forms. Written price before any work starts. Every repair carries a one-year written guarantee.
Why Flint Chimney Co Santa Clarita Is Northridge’s Preferred Chimney Repair Team
Northridge homeowners call us because the crew arrives when scheduled, carries camera gear, and shows footage of every repair before billing. That matters more here than in most cities. The 1994 quake left a lot of chimneys with work that looked fine on the outside and wasn’t fine on the inside. We don’t ask you to take our word for any of it. Our technicians document findings on camera, and you see the same video we do.
We’ve repaired chimneys on original mid-century ranch homes near Devonshire Street, Spanish-style stucco homes around Reseda Boulevard, and newer infill construction in Porter Ranch-adjacent Northridge. The housing stock differs even within the same zip code, so we never assume one chimney matches another. Hank Delano, who leads our team, has built the operation around a simple discipline: put the price in writing, explain the scope in plain words, and stand behind the work for a full year. That’s the Garrison Standard, and it applies on every call we run in Northridge.
Styles & brands we work with





Chimney Masonry Repair in Northridge
Chimney Masonry Repair in Northridge is the repair category most of our calls fall into: mortar repointing, spalling brick replacement, crown rebuilding, and tuckpointing on the original 1950s – 1970s masonry chimneys that dominate the area. In Northridge, the most common trigger is seismic settling. The 1994 earthquake shifted chimney structures just enough that mortar joints cracked, and two decades of hot dry summers followed by winter rain worked those cracks wider. What starts as a hairline stucco crack often turns into water penetration and brick faces popping loose.
Mortar Repointing and Tuckpointing
Repointing removes the damaged mortar from between bricks and replaces it with fresh mix matched to the existing color. On Northridge ranch homes this typically runs $25 – $45 per square foot. Tuckpointing, where two contrasting mortar tones are used to create the illusion of thin joints, is pricing the same range but we see it more on Spanish and Mediterranean-style stucco-fronted homes here than on true brick exteriors.
Spalling Brick and Stucco-Over Repair
When a brick face pops off, water has already gotten inside the masonry. In Northridge, the stucco exteriors common on Spanish-style homes often hide this until the stucco itself bows or flakes. We remove the stucco only as far as needed, replace the damaged brick, repoint the joints, and re-coat. Depending on chimney height and access, this runs $600 – $2,200. The fix requires scaffolding or roof access, and we recommend it before winter rains hit.
Chimney Cap Installation in Northridge
Chimney Cap Installation in Northridge is the single most effective repair we do for leaks that only show up during winter storms. Northridge’s pattern of hot, dry Santa Ana winds followed by short heavy rain means flue tops take a beating. A missing or rusted cap lets water straight down the flue, and in clay-tile-lined systems that water accelerates spalling. We install Gelco and Olympia Chimney caps in standard stainless steel, custom-cut for the flue shape, with a screened sides to keep birds and embers out.
Why Caps Fail Faster Here
Heat is the quiet killer. In Northridge, a tile roof can hold midday heat well into the evening, and the chimney cap expands and contracts with those swings. Cheap galvanized caps rust at the seams within a few years. The ones we install are stainless steel, and we do not reuse old caps unless the homeowner asks after seeing the condition on camera.
What a Cap Install Costs in Northridge
For a standard single-flue masonry chimney, cap installation in Northridge runs $195 – $450 including the cap, mounting hardware, and labor. Flues with unusual dimensions, chase-mounted caps on prefab fireplaces, or chimneys with multiple flues run higher. We give a written quote before any cap comes off the truck, and if the old cap is still structurally sound but just dirty, we’ll say that. You won’t get a pitch to replace something that doesn’t need replacing.
Trusted Brands We Service in Northridge
We install and service DuraFlex stainless steel liners, Gelco chimney caps, and Olympia Chimney components. We don’t put in off-brand parts to pad a margin. When a Northridge home needs a new liner, DuraFlex is our standard because it handles the heat and expansion cycles common in these older masonry stacks. Parts for common repairs are stocked on the truck, so most single-day jobs don’t wait on supply orders. On the rare job where a custom cap or liner section is needed, we tell you the ordering time before you commit to the work.
Common Chimney Repair Problems We See in Northridge Homes
- Hidden earthquake cracks in the upper third. The 1994 quake weakened chimney sections above the roofline more than most homeowners realize. The visible part got patched; the unseen part is still cracked. Water gets in, brick faces pop, and it goes unnoticed until winter rain shows up inside the house.
- Clay tile flue liners breaking apart. Older Northridge chimneys were built with clay tile liners, and when they spall, broken pieces can block the flue and send carbon monoxide back into the living space. A camera inspection shows exactly where the liner is failing.
- Stucco hiding mortar failure. Spanish-style Northridge homes often have the entire chimney wrapped in stucco. We remove just enough to inspect what’s underneath. In a lot of cases, the mortar is already failing and the stucco was the only thing holding it together visually.
- Flashing and cap failures from Santa Ana winds. Heavy gusts bend flashing and loosen caps. Then the winter rains that follow find every gap. A roof-level inspection after a Santa Ana season catches most of these before leaks start.
See the difference
Before
After
Before
After
Before
AfterPricing for Chimney Repair in Northridge, CA
Mortar repointing runs $25 – $45 per square foot in Northridge. Chimney cap installation is $195 – $450 for a standard single-flue masonry chimney. Spalling brick repair, stucco-over masonry repair, and crown rebuilding run $600 – $2,200 based on access and the size of the repair. Flue relining with DuraFlex stainless steel starts around $1,600 for a standard one-story chimney and runs upward for multi-story homes. Nothing is quoted over the phone blindly. We come out, scope the chimney, show you the camera footage, and hand you a written price. You approve the number before any tool leaves the truck. Estimates are free. Call (661) 430-6125 to set one up.
We scoped a mid-century ranch in the Sherwood Forest area of Northridge after the homeowner noticed hairline stucco cracks spreading along the chimney above the roofline. Our camera found spalling in the clay tile flue liner and a deteriorated crown with gaps left over from a quake-era repair. We rebuilt the crown, installed a Gelco chimney cap, and showed the homeowner the before/after video. They could see exactly what they paid for.
That’s the part of this most chimney companies won’t do. The upper third of a Northridge chimney is where the 1994 earthquake’s damage concentrated. Homes built in the 1950s – 1970s have stacks that were never designed for lateral shaking. Many got emergency repairs that fixed the obvious cracks and missed the structural ones behind the stucco. We photograph and record everything. When we recommend a repair, you see the evidence with your own eyes. When we don’t recommend work, we say so plainly.
We Also Serve Cities Near Northridge
Flint Chimney Co Santa Clarita runs crews through Northridge and the surrounding San Fernando Valley communities. If you’re in Winnetka, Reseda, Porter Ranch, or Granada Hills, the same written-price guarantee and camera-documented repair process apply. Learn more about our full Chimney Repair services, or see what we do specifically for Northridge. One live person answers the phone 24/7 at (661) 430-6125.
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 Chimney Repair in Northridge
The only way to know is to look inside with a chimney camera. A lot of Northridge chimneys that got quake repairs only had the visible exterior damage addressed, since that’s what insurance adjusters documented. We lower a camera down the flue and scan the upper third where the seismic stress concentrated. If the clay tile liner is cracked or the mortar joints in the upper section are separated, you’ll see it on the screen before we recommend anything. Call (661) 430-6125 to schedule a camera inspection, and you’ll get a written price only for the work the footage actually supports.
Yes, in most cases we can reline the flue with a DuraFlex stainless steel liner without tearing down the chimney. The damaged clay tile stays in place as long as the chimney structure is sound, and the new liner creates a sealed, continuous passage for smoke and gases. This is the repair we do most on Northridge homes built in the 1950s – 1970s. If the masonry structure itself has failed, rebuilding is the only safe option, but we only say that when the camera footage proves it. A free estimate will clarify what your chimney actually needs.
Because the leak is likely not in the flashing. In Northridge, water intrusion during winter rains is usually coming through a cracked crown or through masonry cracks in the upper third of the chimney, especially on homes that went through the 1994 quake. Water soaks into the masonry, runs down the cavity, and shows up as a ceiling stain inside. We check the crown, cap, and flashing all together, because they work as one system. Call (661) 430-6125 and we’ll scope the entire upper section with the camera so you see exactly where water is getting in.
Yes. On a stucco chimney, the stucco acts as a weather barrier and hides the masonry joints underneath. We repair these by removing only the damaged stucco sections, inspecting and repairing the brick and mortar underneath, then re-coating with material that matches the existing texture. This is different from true brick work where the joints are exposed and repointing is done directly. The process is the same discipline either way: camera first, written price second, and no stucco removed that doesn’t need to be. A free estimate will show you the exact scope.
White staining, called efflorescence, is mineral salts wicking through the masonry as water passes through it and evaporates on the surface. Flaking stucco means water has saturated the masonry and is working its way out. Both mean moisture is getting in somewhere above, usually a worn crown, cracked cap, or failed flashing. We repair the moisture source first, then fix the stucco. If the moisture source isn’t fixed, new stucco will flake again in a season or two. Call (661) 430-6125 for a camera inspection and we’ll show you where the water is coming from before recommending anything.
Key Takeaways for Northridge Homeowners
- Chimney repair in Northridge is driven by the 1994 earthquake’s long-tail damage, not just age.
- Camera inspection is the standard here. You see the evidence before you approve any repair.
- Written pricing, always. The number you approve is the number on the invoice.
- Every repair carries a written one-year guarantee, and a covered repair that fails gets a free return visit.
- Standard cap installation runs $195 – $450; repointing runs $25 – $45 per square foot; masonry rebuild work runs $600 – $2,200.
Call Flint Chimney Co Santa Clarita for Chimney Repair in Northridge
If your Northridge chimney shows cracks, lets in water, or hasn’t been inspected since the last earthquake repair, call (661) 430-6125. We’ll schedule a camera inspection, show you exactly what’s going on, and hand you a written price before any work starts. The 365-Day Done Right Promise backs every repair in writing for a full year. No upselling, no vague assurances, no surprises on the invoice. The phone is answered by a real person, 24/7.
Written by Hank Delano, Owner at Flint Chimney Co Santa Clarita, serving Northridge as part of the Garrison Partners family since 2002.