Fast, Reliable Chimney Liner & Rebuild Across San Dimas
Chimney liner replacement and rebuild work in San Dimas typically runs $2,800-$8,500 depending on whether we’re inserting a stainless steel liner into an existing flue or rebuilding from the crown down. Most jobs are completed in a single visit, and our San Dimas crew carries the full inventory of DuraFlex and Gelco components on every truck.
We’ve been driving out to San Dimas since 1984, long before the 210 freeway expansion made the trip faster. Our technicians know the difference between a canyon home off San Dimas Canyon Road and a tract build near Bonita Avenue, and we stock the heavier-gauge materials those foothill properties demand. When you call (844) 418-0954, a live person answers - 24 hours a day, every day - and we’ll give you a real arrival window, not a four-hour guess.
Why Hearthstone Chimney Co. of Los Angeles Is San Dimas’s Preferred Chimney Liner & Rebuild Company
San Dimas homeowners have kept us busy with Chimney Repair - San Dimas for over 42 years because we treat every chimney like it’s our own. Gil Mercer started this company in 1984 with the belief that a sweep should explain what’s wrong in plain English, show you the photos, and stand behind the repair in writing. That hasn’t changed.
Our Level-2 camera inspections end with dated photos you can see on the spot and a written verdict you can share with your insurance or real estate agent. No jargon, no scare tactics. The 90-Day Done Right Promise means if something isn’t right, we come back and make it right - in writing, no arguing, no paperwork chase.
Most of our San Dimas calls come from homeowners who’ve lived in the same house for twenty-plus years and are done with contractors who disappear. We’re still here. We’ll be here in thirty more years. That’s why we answer the phone with a live person at 2 AM on a Sunday when the Santa Ana winds are blowing and you’re worried about embers.
Our Chimney Liner & Rebuild Services in San Dimas
Stainless Steel Liner Installation
San Dimas’s 1960s-70s tract homes off Walnut Creek Drive and Bonita Avenue were built with unlined clay flue tiles that crack under thermal stress and seismic settling. A stainless steel liner from Olympia Chimney or DuraFlex contains the heat, contains the creosote, and meets LA County fire code for properties in the Very High Fire Hazard Severity Zone. We size the liner to your appliance - wood-burning, gas insert, or pellet stove - and pull the permit so you don’t have to navigate the county building department.
Flexible Liner for Offset and Hard-to-Access Flues
Many San Dimas properties have detached workshops, pool houses, or guest cottages with chimneys that were never properly lined to begin with. The flue offsets around framing, the cleanout is buried behind a wall, or the chimney was built for a wood stove that vented at an angle. Our Chimney Liner & Rebuild crew carries DuraFlex flexible liner in multiple diameters and can navigate offsets that rigid pipe cannot. We replaced a rusted-out DuraFlex flexible liner and rebuilt the crown on a 1970s ranch home near the mouth of San Dimas Canyon Road. The homeowner had called after a Santa Ana wind event blew embers onto his detached workshop roof; we installed a new Gelco spark arrestor cap and poured a reinforced concrete crown to seal the original unlined clay flue.
Liner Replacement for Deteriorated or Failed Systems
Clay flue liners in San Dimas fail in predictable ways. Thermal cycling opens vertical cracks. Seismic settling along the San Jose fault shears mortar joints. Rainwater seeps through degraded crowns and spalls the tile from the inside out. We extract the damaged liner with specialized break-and-remove tools, inspect the surrounding masonry with a camera, and install a new stainless steel system that carries a lifetime warranty on the material. The whole job usually takes one day.
Partial and Full Chimney Rebuild
When mortar joints are cracked through, when the wythe is separating, or when the firebox itself has shifted out of plumb, a liner alone won’t save the chimney. Our partial rebuilds address the firebox, smoke chamber, and first few feet of flue - the areas that take the most heat. Full rebuilds start at the roofline and work up, preserving your stone or brick facing where possible. For heavy stone chimneys built in the 1950s in the canyon neighborhoods, we can rebuild the flue and liner system without dismantling the exterior face, saving thousands and keeping the original character intact.
What happens when you call
- 1
A real person answersNo phone trees - you reach a local pro.
- 2
You get an upfront price rangeHonest numbers before anyone is dispatched.
- 3
A background-checked tech heads outLicensed & insured, dispatched right away.
- 4
You approve before work beginsNothing starts until you say go.
Trusted Brands We Service in San Dimas
We don’t use builder-grade substitutes. Every liner and our Chimney Cap & Crown in San Dimas repair is built with professional-grade materials from brands that sweeps have trusted for decades: DuraFlex for flexible liners in offset flues, Gelco for spark arrestor caps that withstand Santa Ana wind corrosion, and Olympia Chimney for rigid stainless systems that meet UL 1777 listing. We stock these parts on our San Dimas trucks, so we’re not ordering and waiting. Most jobs finish in one visit because we showed up with the right material already on the rack.
Common Chimney Liner & Rebuild Problems We See in San Dimas Homes
- Mortar joints cracked by seismic settling. The San Jose fault system runs near San Dimas, and decades of micro-movements open hairline cracks in chimney mortar that widen every winter. We routinely find partial liner collapses in canyon homes where the flue has shifted inside a loose wythe - a problem that requires full rebuild, not just relining.
- Unlined clay flues in 1960s-70s tract homes. Builders off Walnut Creek Drive and near Calle de los Palacios often omitted clay liners or used single-wythe construction that has spalled internally. Creosote fires in these unlined systems reach the surrounding framing within minutes.
- Rusted-out spark arrestors and open flue tops. Original 1960s-70s masonry chimneys in San Dimas foothill neighborhoods were built before spark arrestor requirements were enforced in fire hazard zones. Santa Ana winds have destroyed what mesh was added later. Nearly every liner and rebuild job we do here starts with code-compliant stainless steel spark arrestor installation.
- Failed mortar crowns without expansion joints. Rebuilt flue caps on 1950s canyon homes shed rainwater directly into the firebox because original crowns were poured as solid concrete slabs with no room to breathe. We cut expansion joints and use reinforced pours that move with the masonry.
Pricing for Chimney Liner & Rebuild in San Dimas, CA
A stainless steel liner retrofit in a standard San Dimas ranch home runs $2,800-$4,200. Flexible liner installations for offset or hard-to-access flues, common in properties with detached workshops, range $3,200-$5,000. Partial rebuilds of the firebox and smoke chamber start around $4,500 and climb to $6,800 if the wythe is separating. Full chimney rebuilds from the roofline up, preserving existing stone or brick facing, typically fall between $6,500 and $8,500.
What moves the number: accessibility (steep roof pitches in the canyon neighborhoods add labor), the condition of the existing masonry, whether we need to pull a permit and coordinate LA County inspection, and whether spark arrestor and crown work are bundled with the liner. We give you the full price before we start. The estimate is free, and the number on the estimate is the number on the invoice. Call (844) 418-0954 for an exact quote on our Fireplace Services in San Dimas.
We Also Serve Cities Near San Dimas
Our crews run daily routes through Charter Oak, La Verne, Pomona, and Glendora - the same mountain-foothill zone with the same fire code requirements, the same vintage housing stock, and the same Santa Ana wind exposure. If you’re in one of these neighboring communities and need Chimney Liner & Rebuild in San Dimas-level expertise, we cover those zip codes too.
Serving San Dimas, CA - Our Local Coverage Area
We’re based in the San Dimas 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 - Chimney Liner & Rebuild in San Dimas
Yes. Properties in San Dimas’s Very High Fire Hazard Severity Zone, including the Bonita Avenue corridor, must have a spark arrestor on every wood-burning chimney under LA County Fire Code. We install code-compliant stainless steel arrestors on every liner and rebuild job in this zone, and we document the installation for your records. Call (844) 418-0954 and we’ll verify your property’s hazard zone status during the free estimate.
Yes. Offset flues in detached workshops are common in San Dimas’s acreage properties, and our flexible DuraFlex liners navigate bends that rigid pipe cannot. We carry multiple diameters and termination kits on every truck, so most workshop relines finish in one visit. The offset actually makes flexible liner the better choice over rigid - it seals better and installs with less demolition.
It depends on the masonry surrounding the liner. If the mortar joints are sound and the wythe hasn’t shifted, we can break out the damaged clay tile and insert a stainless steel liner - usually $2,800-$4,200. If seismic settling has cracked the surrounding brick or separated the wythe, the liner alone won’t be safe and we recommend partial or full rebuild. Our camera inspection shows you exactly which situation you’re in before you commit to either path.
We stock DuraFlex flexible liners, Olympia Chimney rigid stainless systems, and Gelco spark arrestor caps on every San Dimas truck. These are professional-grade products with full manufacturer warranties, not the builder-grade substitutes some operators use. For properties in the fire hazard zone, we specify materials that meet or exceed LA County’s ignition resistance requirements.
Yes. This is a specialty we perform regularly in San Dimas’s canyon neighborhoods where 1950s stone facing has historic and aesthetic value. We rebuild the internal flue, smoke chamber, and liner system through the crown access, preserving the exterior stone. The savings over full dismantling and rebuilding can be substantial, and the result meets current code without changing the look of your home. Call (844) 418-0954 for a free estimate - we’ll show you photos of similar jobs we’ve completed nearby.
Written by Gil Mercer, Owner at Hearthstone Chimney Co., serving San Dimas since 1984.