Level 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 Liner & Rebuild Across Larchmont
Chimney liner installation and partial rebuilds in Larchmont typically run $1,800-$4,500, with full rebuilds on pre-WWII masonry stacks reaching $6,500-$12,000. Most liner replacements and partial rebuilds are completed in a single visit after our Level 2 camera inspection confirms the scope. Call (516) 927-2678 - a live person answers, day or night.
We’ve been working on Larchmont chimneys for over 42 years, and the village’s housing stock tells its own story. Dense concentrations of 1920s-1940s Tudor Revival and Colonial Revival homes - especially in Larchmont Manor and along Palmer Avenue - share a common vulnerability: original terracotta flue liners that have never been updated, single-wythe brick construction that can’t tolerate modern venting loads, and chimneys facing Long Island Sound that take the full brunt of salt-laden coastal air. Our crews know the narrow streets, the tight roof access, and the particular way salt spray erodes Sound-facing mortar joints two to three times faster than the leeward side. Dispatch and scheduling are coordinated from our New York City office, but the technicians who arrive at your door serve Larchmont locally and carry the specific parts and materials these older chimneys demand.
Why Hearthstone Chimney Co. Is Larchmont’s Preferred Chimney Liner & Rebuild Company
Larchmont homeowners call us because we document what we find and explain it in plain English - no pressure, no phantom repairs. Our Level 2 camera inspections end with photos you can see on the spot and a written verdict that separates what’s urgent from what can wait. The 90-Day Done Right Promise covers every liner and rebuild job: if it’s not right, we make it right, in writing, no arguing.
We answer the phone with a live person 24 hours a day, 7 days a week - not a voicemail tree, not a callback queue. Our technicians are background-checked, uniformed, and trained to complete most liner replacements and partial rebuilds in a single visit. No-hassle upfront pricing means the number on your estimate is the number on your invoice. We’ve earned our reputation in Larchmont one chimney at a time, and we plan to be answering that phone for another thirty years.
Our Chimney Liner & Rebuild Services in Larchmont
Stainless Steel Liner Installation
A stainless steel liner from DuraFlex or Olympia Chimney is the right fix for most Larchmont chimneys with cracked terracotta but sound masonry. These liners handle the higher efficiency of modern gas and oil appliances while containing combustion gases in a sealed, corrosion-resistant passage. In Larchmont Manor, where salt air accelerates corrosion of lesser metals, we specify 316Ti alloy stainless for its resistance to chlorides and acidic condensate. A typical stainless steel liner installation in Larchmont runs $2,200-$3,800, including the Level 2 inspection, camera documentation, and a written report. Most are completed in one day.

Flexible Liner Systems
Flexible liners solve offset flues and tight bends that rigid pipe cannot navigate - common in Larchmont’s older homes where settling has shifted the chimney course over a century. We use DuraFlex and Gelco flexible products rated for the appliance type and fuel. Not every Larchmont chimney can accept a flexible liner without prep work, though. Original flues that are out of round from spalling, or narrowed by creosote buildup, often need partial rebuilding first. We’ll tell you straight after the camera inspection - no guesswork, no surprises on the bill.

Liner Replacement
When a terracotta liner has cracked, shifted, or lost its mortar wash, replacement is not optional - it’s a safety issue. Combustion gases, including carbon monoxide, can leak through liner gaps into living spaces or migrate between flues in shared chimney stacks. In Larchmont’s attached and semi-attached housing, this cross-contamination risk is real and often hidden. Our liner replacement process starts with a full camera survey, removes the damaged terracotta if necessary, and installs a new system sized precisely to your appliance. We use HeatShield resurfacing where the existing flue is structurally sound but needs sealing. Done right - and we stand behind it.

Partial Chimney Rebuild
Some Larchmont chimneys are too far gone for a liner alone. When the top courses of brick have spalled, the crown has cracked through, or the wythe has separated, a partial rebuild restores structural integrity without the cost of full demolition. We rebuild with matching brick where possible, pour a new concrete crown with proper drip edge and slope, and install the liner system as an integrated assembly. Partial rebuilds in Larchmont typically range $4,500-$7,500 depending on height, access, and the extent of salt-damage to the Sound-facing courses. In the Larchmont Manor neighborhood, where sprawling early-1900s homes crowd the Sound’s edge, we routinely find that original mortar joints on the Sound-facing sides have eroded two to three times faster than the sheltered sides. This salt-spray asymmetry is invisible from the street but shows up immediately on close-up cap and crown inspection.

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.
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You approve before work beginsNothing starts until you say go.
Trusted Brands We Service in Larchmont
We work exclusively with professional-grade materials from industry-trusted brands - no builder-grade substitutes that fail in coastal conditions. Our Larchmont crews stock DuraFlex stainless liners, HeatShield resurfacing products, and Olympia Chimney components on every truck, which means faster turnaround and no waiting for special orders. Famco dampers and Copperfield chase covers round out our inventory for the full chimney system. These are the same brands specified by factory-built fireplace manufacturers and major insurance carriers. We don’t experiment with your chimney.
Common Chimney Liner & Rebuild Problems We See in Larchmont Homes
- Cross-contamination between shared flues. In Larchmont’s denser neighborhoods, adjacent properties often vent into the same chimney stack. When salt-air spalling erodes the common mortar and cracked terracotta liners create gaps, smoke and carbon monoxide from a neighbor’s appliance can migrate into your flue. A Level 2 camera inspection reveals this; a properly installed stainless steel liner with sealed separation stops it.
- Asymmetrical salt-spray decay on Sound-facing chimneys. Larchmont Manor’s waterfront position means the seaward face of a chimney can show advanced mortar erosion and spalling while the leeward side looks nearly intact. Rushed inspections from the ground miss this entirely. We inspect from the roof, photograph both faces, and show you the difference.
- Single-wyhe brick that cannot support modern liner loads. Many Larchmont chimneys built 1910-1950 are single-wythe construction - one brick thick - with no structural redundancy. Attempting to force-fit a flexible liner into an out-of-round, spalled flue can crack the wythe or create dangerous gaps. We assess structural capacity honestly and recommend partial rebuild where the masonry won’t support a liner alone.
- Narrow street access complicating proper inspection and repair. Larchmont Manor’s tight streets and limited parking can tempt crews to skip thorough roof access. We bring the right equipment - compact lifts, roof anchors, and ladder stabilizers - to work safely on steep roofs and document what other companies miss.
Pricing for Chimney Liner & Rebuild in Larchmont, NY
Here is what chimney liner and rebuild work actually costs in the Larchmont market. These ranges reflect our no-hassle upfront pricing - the number we quote is the number on the invoice.
| Service | Typical Range in Larchmont |
|---|---|
| Level 2 Camera Inspection with Photo Report | $289-$389 |
| Stainless Steel Liner Installation (gas/oil) | $2,200-$3,800 |
| Flexible Liner with Offset Navigation | $2,600-$4,200 |
| Liner Replacement with HeatShield Resurfacing | $1,800-$3,400 |
| Partial Rebuild (top 4-6 courses, crown, liner) | $4,500-$7,500 |
| Full Chimney Rebuild (pre-WWII masonry stack) | $6,500-$12,000 |
What moves a job toward the higher end: multiple flues, difficult roof access on Larchmont Manor’s steeper pitches, extensive salt-damage requiring more courses replaced, and the need for custom flashing or chase modifications. What keeps costs down: catching problems before the masonry fails completely, which is why we recommend inspection every year for Larchmont’s coastal chimneys. Estimates are free. Call (516) 927-2678 for an exact quote on your chimney.
We Also Serve Cities Near Larchmont
Our Chimney Liner & Rebuild in Larchmont crews also work regularly in Mamaroneck, New Rochelle, Pelham, and Tuckahoe - the same salt-air conditions, the same pre-war housing stock, the same need for careful diagnosis and honest repair. Wherever you are in southern Westchester, the same live-answer phone, same upfront pricing, and same 90-Day Done Right Promise apply.
Serving Larchmont, NY - Our Local Coverage Area
We’re based in the Larchmont 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 Larchmont
You’ll notice smoky odors when your neighbor’s heating system runs, or you may see soot staining at the fireplace opening even when you haven’t used it. The only way to confirm cross-contamination is a Level 2 camera inspection that examines the common masonry and both flue liners for cracks, gaps, or missing mortar. In Larchmont Manor, salt-air spalling of the common wythe makes this problem more common than inland Westchester towns. We document what we find with photos, explain your options, and install separated stainless steel liners if needed. Call (516) 927-2678 for a free inspection.
Salt-laden air from Long Island Sound accelerates mortar erosion and metal corrosion far faster than the freeze-thaw cycles alone would cause inland. In Larchmont Manor specifically, the Sound-facing sides of chimneys degrade two to three times faster than the sheltered sides, creating structural asymmetry that standard inspections often miss. Combined with original 1920s-1940s single-wythe construction that was never designed for modern appliance loads, this means more partial and full rebuilds than in Scarsdale, White Plains, or other inland communities. Our Level 2 inspections are designed to catch this localized damage before it requires major reconstruction.
Sometimes, but only after a camera inspection confirms the flue is round, structurally sound, and free of significant spalling. Many Larchmont Manor chimneys are too narrow or too damaged by salt-air deterioration to accept a liner without first rebuilding the top courses or widening the flue. We don’t force-fit liners into inadequate masonry - that’s how chimneys fail and warranties become worthless. If your chimney needs prep work, we’ll show you the camera footage, explain exactly why, and quote the full job upfront. No surprises on the bill.
First-degree creosote is flaky, sooty, and easily brushed - it looks like black dust or light ash. It’s a bigger risk in Larchmont’s older chimneys because these original terracotta flues often have hidden cracks or missing mortar wash that allow even light creosote to ignite against combustible framing. In a properly lined modern chimney, a first-degree creosote fire would likely self-extinguish. In a compromised 1920s flue, it can breach the masonry and reach the structure. Annual sweeping and camera inspection catch both the creosote buildup and the liner condition that makes it dangerous.
Water enters micro-cracks in the crown during Larchmont’s wet fall and winter, then expands as it freezes, widening the cracks with every cycle. Larchmont’s coastal position makes this worse - salt air raises ambient humidity, so more moisture is available to infiltrate, and salt crystallization adds its own pressure inside the masonry. A cracked crown lets water into the flue, where it accelerates liner deterioration and rusts damper hardware. We pour new crowns with proper slope and drip edges, and we specify Famco and Copperfield chase covers that shed water and resist salt corrosion. Call (516) 927-2678 if you see cracking, staining, or water in your firebox.
In Larchmont Manor, we were called to a 1925 Tudor Revival where the homeowner reported a smoky odor from a neighboring flue. We ran a Level 2 inspection and found the Sound-facing mortar joints had eroded to the point where a cracked terracotta liner allowed cross-contamination between adjacent flues. We installed a new DuraFlex stainless steel liner with HeatShield resurfacing, restoring proper draft and separating the flues - a fix that resolved both the odor and the drafting issues. Our Chimney Liner & Rebuild team has handled dozens of similar cases across Larchmont’s older neighborhoods.
Your chimney’s condition is not a mystery - it’s a set of specific, inspectable facts. We find those facts, show them to you, and fix what actually needs fixing. No phantom rebuilds. No pressure. Just the thing done correctly, backed in writing.
Call (516) 927-2678 today for a free estimate on chimney liner or rebuild work in Larchmont. A live person will answer, 24 hours a day, 7 days a week. We’ll schedule your Level 2 camera inspection, show you what we find, and quote the work upfront - the number on the estimate is the number on the invoice. The 90-Day Done Right Promise covers everything we do: Krafted right, Every time, Your home first, Standing behind it.
Written by Russell Haines, Owner at Hearthstone Chimney Co., serving Larchmont and surrounding communities since 1984.





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