Sweep & inspection
Caps & crowns
Flue relining
Masonry repair
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.
Trusted Chimney Repair for Winnetka Homeowners
A cracked flue liner, crumbling mortar joints, or a leaking chimney crown is not something to put off. In Winnetka, where wood-burning fireplaces get real use from November through February, a damaged chimney is a fire hazard and a water-damage risk to your home’s framing. Chimney Sweep Winnetka handles the full scope of Chimney Repair in Winnetka: cap installation and replacement, liner installation, flashing repair, crown repair, and masonry repair. We work exclusively with professional trade brands like HeatShield, DuraFlex, Gelco, and Olympia Chimney, because your chimney is a fire-safety system, not a decoration. Call Noel Braddock and the team at (877) 939-1446 for a free estimate, and see the problem for yourself through our camera inspection before any repair is recommended.
Chimney Cap Installation
Chimney Cap Installation means fitting a protective cover over the flue opening at the top of your chimney. The cap keeps rain, leaves, birds, and embers out while allowing smoke and exhaust to vent properly. In Winnetka’s climate, where spring rain and Santa Ana winds both hit hard, a missing cap leads to water in the firebox and sparks escaping onto your roof. Chimney Sweep Winnetka installs professional-grade caps from Olympia Chimney and Famco, sized to your flue and secured so they won’t rattle in wind. Chimney cap installation in Winnetka typically runs $230 to $520 depending on flue size and material. The cap itself is inexpensive compared to the water damage or animal removal it prevents. When you call (877) 939-1446, we’ll measure, show you your options, and install it same visit in most cases.
Spark Arrestor Compliance
California fire code requires spark arrestors on most residential wood-burning chimneys in wildfire-prone zones like Los Angeles County. A cap with an integrated arrestor keeps burning embers from exiting your flue and landing on dry foliage or roofing. We install caps that meet these requirements without choking your draft.
Animal Intrusion Prevention
Raccoons, squirrels, and birds absolutely will nest in an uncapped flue. Nest debris is a chimney fire fuel load and a carbon monoxide blockage risk. A properly fitted cap ends that problem permanently.
Styles & brands we work with
- Sweep & inspection
- Caps & crowns
- Flue relining
- Masonry repair
- Gas fireplace service
Chimney Cap Replacement
Chimney Cap Replacement means removing a cap that is rusted through, torn, bent, or no longer sized correctly and installing a new one. Caps live in the most exposed part of your home, ten to thirty feet up, and Winnetka’s sun plus seasonal rain cycles wear them down faster than most homeowners expect. A cap with rusted mesh lets embers through and falls apart under wind load. Chimney Sweep Winnetka replaces caps with the correct flue-matched model from Olympia Chimney or Famco, and we check the crown and flashing below it while we’re up there. Chimney cap replacement in Winnetka typically runs $245 to $580, with the higher end applying to multi-flue chimneys or custom stainless work. Most replacements are one visit. If your cap is more than eight years old or visibly corroded, call (877) 939-1446 and we’ll inspect it before it becomes a water leak.
When Repair Falls Short
Patching a cap with high-temp caulk or wire mesh from the hardware store rarely holds for more than one season. UV exposure and thermal cycling from firebox heat break down consumer repairs fast. A replacement cap from trade suppliers is the honest fix.
Storm and Wind Damage
Santa Ana wind events routinely tear off lightweight or poorly fastened caps. We see it every season in Winnetka and across the valley. A replacement cap properly secured with mechanical fasteners, not just friction fit, won’t become a projectile.
Chimney Liner Installation
Chimney Liner Installation involves fitting a new flue liner inside the existing chimney structure, either with a flexible stainless steel system like DuraFlex or a resurfacing system like HeatShield. The liner is the critical barrier that contains heat and combustion gases, and when it cracks, tile gaps open, or it was never installed, your chimney is not safe to use. In older Winnetka homes with original clay tile liners, cracks are common and can allow carbon monoxide into wall cavities and heat transfer to framing. Chimney Sweep Winnetka is trained to install and service DuraFlex flexible liner systems and HeatShield liner resurfacing, which is liner repair capability most sweep-only companies simply don’t have. Chimney liner installation in Winnetka typically runs $2,200 to $5,800 depending on chimney height, fuel type, and whether the old liner must be broken out. If your inspection shows liner damage, we’ll show you the camera footage and quote you a real fix. Call (877) 939-1446 to schedule an inspection.
Fuel-Specific Liner Requirements
A liner sized for a wood-burning fireplace is genuinely dangerous for a gas appliance. Gas flue gases are cooler and condense more, which requires a different alloy and often a different diameter. We match liner spec to fuel type, not the cheapest universal option.
HeatShield for Clay Liner Repair
When your original clay tile liner is cracked but the chimney structure is sound, HeatShield can resurface the interior without a full tear-out and rebuild. It’s a durable, code-accepted solution that costs less and avoids major demolition. Not every chimney qualifies, but when it does, it’s the right call.
Chimney Flashing Repair
Chimney Flashing Repair means fixing or replacing the metal flashing where your chimney meets the roofline, the most common source of chimney-related roof leaks. Flashing fails because the sealant dries out, the metal corrodes, or roof work disturbs the original install. In Winnetka, where every winter brings atmospheric river rain, a flashing leak shows up as stains on your ceiling or walls near the fireplace. Chimney Sweep Winnetka repairs, re-seals, or replaces flashing with professional-grade materials, and we inspect the surrounding roof penetration at the same time. Chimney flashing repair in Winnetka typically runs $400 to $1,300 depending on access, roof pitch, and whether the flashing can be repaired or must be cut out. If you see water staining near the chimney, call (877) 939-1446. Every day of delay is more water in your sheathing.
Leak Misdiagnosis Runs Rampant
Most “roof leaks” near a chimney are flashing leaks, but generalists often caulk everything and hope. Caulk fails. Metal and proper counter-flashing do not. We inspect the actual leak path rather than layering on more sealant.
Steep Roof Access
Some Winnetka homes have steep rooflines that make proper flashing work genuinely dangerous for untrained people. Our technicians work safely with proper access equipment and roof-protection measures. This is not a ladder-and-caulk job.
Chimney Crown Repair
Chimney Crown Repair means restoring or rebuilding the concrete or mortar crown that caps the top of your chimney structure, protecting the brick below from water damage. Crowns crack from freeze-thaw cycles and settlement, and once water gets into the chimney chase, it deteriorates mortar joints and liner components below. The Winnetka sun also bakes crown material until it shrinks and separates from the flue. Chimney Sweep Winnetka repairs cracked crowns, re-casts damaged ones with proper crown mix and expansion joints, and seals the flue-to-crown joint correctly. Chimney crown repair in Winnetka typically runs $350 to $950 for repair work, and full crown replacement runs $900 to $2,200. If the crown has visible cracks or you see spalling concrete around the flue, call (877) 939-1446 before water does structural damage to the chimney below.
Waterproofing After Repair
A repaired crown without a breathable masonry water repellent below it is only half a fix. We apply professional-grade water repellent from our trade suppliers that keeps water out while letting the masonry breathe, which matters for long-term durability.
Expansion Joint Failure
The joint between flue tile and crown is a classic failure point. We re-seal those joints with high-temperature flexible sealant that moves with thermal cycling instead of cracking again within a season. Cheap fix, big difference.
Chimney Repair Companies
Chimney repair companies vary wildly in what they actually do: some only sweep, some only do masonry, and many general handyman operations will “give it a shot.” Winnetka and Chimney Repair – Porter Ranch homeowners trying to sort through their options face a real problem: you cannot always tell from a website who actually has liner repair capability and who just subcontracts it out. Chimney Sweep Winnetka is a full-service chimney repair company, handling sweep, inspection, cap work, flashing, crown repair, and liner installation and resurfacing under one roof. We don’t outsource your liner job to a third party and mark it up. We stock DuraFlex liner components, HeatShield materials, and Olympia Chimney and Famco accessories on our own trucks. If you’re comparing chimney repair companies, the question to ask is whether they can show you camera footage of the problem and fix the structural issues, not just clean around them. That’s what we do. Call (877) 939-1446 for a free chimney inspection and estimate.
Questions to Ask Any Contractor
Ask what liner systems they are certified to install, whether they own their own camera inspection equipment, and whether repair work is done by their own crew or subcontracted. A company that cannot answer clearly is a company to avoid.
Why Brands Matter in Chimney Work
A chimney repair company’s supplier relationships tell you a lot about their standards. HeatShield, DuraFlex, and Olympia Chimney only sell through trained, established chimney professionals. Big-box stores carry none of these products, and neither do the lowest-bid contractors.
Chimney Masonry Repair
Chimney Masonry Repair includes repointing deteriorated mortar joints, replacing spalled or cracked bricks, and repairing the structural masonry of the chimney above the roofline. Masonry fails when water infiltrates the mortar and brick, and once one joint opens, the whole system starts to shift. Winnetka’s hot, dry summers then wet winters cycle through mortar and accelerate the damage. Chimney Sweep Winnetka repairs chimney masonry with proper mortar matching, tuckpointing where needed, and structural brick replacement when spalling has gone too far. Chimney masonry repair in Winnetka typically runs $750 to $3,500 depending on the extent of the damage, access, and material count. The lower end is repointing a section; the higher end is structural rebuild above the roofline. If you see crumbling mortar on the ground by your chimney or bricks that have flaked off their faces, call (877) 939-1446 for a real assessment, not a guess.
Mortar Matching Done Right
Mismatched mortar hardens at a different rate than the original and creates new failure points. We match compressive strength and color so the repair lasts and looks intentional, which matters on a visible chimney.
Never Cosmetic-Only Masonry
Some contractors will slap a thin mortar wash over damaged brick and call it done. We won’t. If brick units are spalled or shifted, the repair has to address the structure, not just paint over it. Honest assessment, every time.
Brands We Service
We stock and install the brands professional chimney technicians trust: DuraFlex, HeatShield, Copperfield, and more.
Our team has installed and serviced DuraFlex flexible liner systems in homes across Winnetka and the San Fernando Valley. We carry their components on our trucks, cut to spec on site, and match liner diameter to your appliance and fuel type. If you have an existing DuraFlex liner that needs inspection or repair, we’ll show you the camera footage and tell you straight whether it’s sound or needs replacement. We have also been trained in HeatShield ceramic liner resurfacing, which means we can often repair a damaged clay liner without tearing out your chimney. Whether you have a Gelco, Olympia Chimney, or Famco component on your system, we service those products too. If you’re not sure what you have, that’s exactly what our inspection is for.
See the difference
Before
After
Before
After
Before
AfterSigns You Need a Pro Right Now
- Water in the firebox after rain. That is almost always a crown, cap, or flashing failure, and water inside the firebox means water has already passed through your chimney structure. It only gets more expensive the longer it sits.
- Crumbling mortar or brick flakes on your roof or at the base. Masonry does not heal. Spalling brick and open mortar joints let water deeper into the structure every season. What starts as a cosmetic blemish becomes a structural rebuild within a few years.
- You smell smoke or see staining between fireplace use. A backdrafting or leaking flue liner moves combustion gases into places they should never go. Carbon monoxide risk is not theoretical, and this is the exact symptom that signals it.
- Your chimney cap is missing, rusted, or hanging loose. Every day without a functioning cap is an open invitation for birds, rain, and embers. A missing cap is also a fire-risk code violation in many parts of Los Angeles County.
- You hear animals in the chimney. Nest debris is a top ignition source for chimney fires, and the animal itself can die in place and block the flue completely. Removal is the first step; a proper cap is the long-term fix.
If you’re seeing any of these, don’t wait until the first burn of the season to find out how bad it is. Call (877) 939-1446 and we’ll inspect it before small damage becomes a big repair.
Our Process, Step by Step
- 1
Inspection and camera evaluation. Every chimney repair starts with a full evaluation of the flue, the crown, the cap, the flashing, and the visible masonry. We run a camera down the flue and record it so you see what we see. No repair is recommended without visual evidence.
- 2
Plain-English findings with photos. You’ll see the camera stills and we’ll explain what each image means for your chimney’s safety and function. If something can safely wait, we’ll say so. If it can’t, we’ll tell you why.
- 3
Flat-price proposal, no surprises. We quote the repair as a flat price before any work begins, based on what the camera showed. No hourly billing games, no “while we’re in there” add-ons. The number you approve is the number on the bill.
- 4
Repair work with professional materials. We use professional-grade trade materials from DuraFlex, HeatShield, Olympia Chimney, Famco, and Copperfield. These are the products certified chimney technicians across the country specify.
- 5
Post-repair verification and report. After the work is done, we verify the repair and give you a photo report so you have a record of exactly what was done and what it looked like. If you decide to sell your home, that documentation is useful.
How Much Does Chimney Repair Cost in Winnetka?
How much Chimney Repair costs in Winnetka depends entirely on what is wrong, and that’s why we never quote sight unseen. A chimney cap replacement typically runs $245 to $580. Flashing repair runs $400 to $1,300 depending on roof pitch and access. Crown repair runs $350 to $950 for repairs and up to $2,200 for full re-cast. Liner installation is the big one: $2,200 to $5,800 depending on chimney height, fuel type, and whether the old liner must be broken out. Masonry repair runs $750 to $3,500 depending on the extent of damage.
What moves the price: access difficulty, roof pitch, chimney height, material condition, and whether the repair is isolated or part of a larger failure pattern. The cheapest quote usually means cheaper materials and no camera inspection. The most expensive quote usually includes work that may not be necessary. Our flat-price model means you see photos of the actual damage, agree on one number, and that’s it. Your free estimate includes the camera inspection and honest recommendations. Call (877) 939-1446 and you’ll know exactly what you’re dealing with by the time we leave.
Our Service Area Near Winnetka
Chimney Sweep Winnetka serves Winnetka and the surrounding San Fernando Valley communities, including Simi Valley, Calabasas, North Hills, Encino, Lake Balboa, Granada Hills, North Hills West, Porter Ranch, Granada Hills South, North Hills East, and Mission Hills. We schedule service across the valley most days of the week. Our team knows the building patterns in these neighborhoods, from mid-century ranches to newer track housing, and we’ll tell you honestly what your chimney’s age and construction means for repair options. From routine maintenance to full chimney repair in Winnetka and the surrounding area, one call handles it.
Our home page has more on our full service area and service lines.
Serving Winnetka, CA – Our Local Coverage Area
We’re based in the Winnetka and Lake Balboa area and know this community well. Use the map below to see our service coverage – if you’re nearby, we can almost certainly help.
Frequently Asked Questions About Chimney Repair in Winnetka
Chimney repair is any corrective work on the structural or functional components of your chimney: the cap, crown, flashing, liner, and masonry. It differs from a sweep, which is cleaning; a repair fixes something that is broken, leaking, or unsafe. In Winnetka, most repairs we perform involve water damage and liner deterioration.
Most cap replacements, flashing repairs, and crown repairs are single-day jobs, typically two to five hours on site. Liner installation and masonry repair can take one to three days depending on scope and chimney height. We’ll tell you the timeline at the quote, not after you’ve booked.
Depending on the repair, plan for $245 to $5,800, with cap replacement at the low end and full liner installation at the high end. The free camera inspection is what pins down the real number. Call (877) 939-1446 and we’ll give you an exact price before any work starts.
Yes. We service and install DuraFlex, HeatShield, Gelco, Olympia Chimney, Famco, and Copperfield products, and we work on wood-burning, gas, and pellet venting systems. If your home has an older clay-tile chimney, a metal prefab unit, or a newer stainless liner, we can assess it.
Water damage and liner cracks are urgent because they get worse every season and create fire and carbon monoxide risk. If you’re seeing water stains, crumbling mortar, or a damaged cap, the smart move is to inspect now and repair before your next burn. Not every finding requires an immediate fix, and we’ll tell you honestly which ones can wait.
We stand behind our workmanship on every repair we perform. Materials from DuraFlex, HeatShield, and our other trade suppliers carry their own manufacturer warranties, and we’ll explain what applies to your specific repair at the time of your quote.
Clear the area immediately around your fireplace so we have room to work, and keep pets out of the room during the visit. We’ll handle roof access and any protective measures needed. You don’t need to move furniture or do anything else: our team brings everything the job requires.
Schedule Your Chimney Repair Service in Winnetka Today
If your chimney needs repair in Winnetka, the next step is simple. Call (877) 939-1446 and schedule a free camera inspection with Noel Braddock and the Chimney Sweep Winnetka team. You’ll get an honest assessment, photos of any damage, and a flat-price repair quote with no obligation. Maintenance today, peace of mind every season after.
Written by Noel Braddock, Owner at Chimney Sweep Winnetka, serving Winnetka and the San Fernando Valley.