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 Port Chester
Chimney liner installation and chimney rebuilds in Port Chester typically cost between $1,800 and $6,500 depending on whether you’re relining a single flue or rebuilding a shared multi-unit stack, and most jobs are completed in one visit after a Level-2 camera inspection. In Port Chester’s dense pre-WWII housing, the real challenge isn’t the liner itself - it’s mapping which of the 3-5 flues in your brick stack actually serves your appliance before any work begins. We’ve been handling these shared-stack jobs in Port Chester for decades, and our crews are familiar with the tight roof access, the absentee-landlord coordination, and the Westchester County code requirements that come with every tenement and row house on streets like Westchester Avenue and King Street. Call (914) 603-1360 - a live person answers, 24 hours a day.
Why Hearthstone Chimney Co. Is Port Chester’s Preferred Chimney Liner & Rebuild Company
Port Chester homeowners and landlords know our trucks. We’ve worked on the brick tenements near the downtown corridor, the attached row houses off Putnam Avenue, and the converted multi-families up toward the Rye Brook line. Our reputation here was built one flue map at a time.
When we arrive at a Port Chester job, we don’t start drilling. We start with a Level-2 camera inspection - photos you can see, a plain-English verdict - because in a building where five apartments share one chimney chase, guessing which flue is which wastes everyone’s time and money. Our technicians are background-checked, uniformed, and trained specifically on the multi-flue realities of Westchester County’s older housing stock. Most liner and rebuild jobs are completed in a single visit, with no-hassle upfront pricing so the number on the estimate is the number on the invoice.
Our 90-Day Done Right Promise applies to every Port Chester job - in writing, no arguing. If it’s not right, we make it right. We’ve been answering the phone with a live person for over 42 years, and we plan to be here when your next question comes up.
Our Chimney Liner & Rebuild Services in Port Chester
Flexible Liner Installation
Flexible stainless steel liners are often the only practical solution in Port Chester’s older tenements, where chimney offsets from the coal era make rigid pipe impossible to drop. We use DuraFlex and Olympia Chimney flexible liners engineered to navigate these twists while handling modern gas and oil appliances. A typical flexible liner installation in Port Chester runs $2,200-$3,800 for a standard heating flue, including the camera inspection, flue mapping, and final smoke test. In buildings with multiple offsets or deteriorated smoke chambers, the price moves toward the higher end. We map every flue before we drop anything, because the wrong flexible liner in the wrong tile doesn’t solve the problem - it hides it.

Liner Replacement
When terra-cotta tiles are cracked, shifted, or missing entirely - the norm in Port Chester chimneys that have cycled through coal, oil, and gas over a century - replacement is the only code-compliant path. Our Chimney Liner & Rebuild team removes the damaged tile system and installs a new stainless steel liner sized precisely for your current appliance, not the coal furnace that was here in 1925. Liner replacement in Port Chester typically costs $2,800-$4,500 for a single flue in a standard tenement stack. We coordinate with landlords and property managers when multiple units are affected, and we document every step with photos for Westchester County inspection records.

Partial Chimney Rebuild
Port Chester’s coastal exposure to Long Island Sound moisture, combined with hard freeze-thaw winters, destroys chimney crowns and upper courses faster than you’ll see in inland Westchester towns like White Plains or Hartsdale. A partial rebuild addresses the damaged section - often the crown, the top 4-6 courses of brick, and the deteriorated mortar joints - without tearing down the entire stack. This matters in attached housing where the chimney is structural and shared. Partial rebuilds in Port Chester run $3,200-$5,500 depending on scaffold requirements and whether we’re working around active flues in neighboring units. We use professional-grade materials from Copperfield and Famco for caps and crowns, and we don’t leave until the flue map is updated and posted.

Stainless Steel Liner
For straight flues in Port Chester’s single-family conversions or where chimney geometry allows, rigid stainless steel liners offer maximum durability and optimal draft performance. We source from Olympia Chimney and Gelco, brands we’ve trusted for decades. Installation runs $2,500-$4,200 in Port Chester, with the lower end applying to straightforward heating flues and the higher end to fireplace installations requiring insulation blankets for NFPA 211 compliance. Every stainless job includes a combustion analysis and draft test before we sign off.

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.
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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 Port Chester
We don’t use builder-grade substitutes. Our Port Chester crews carry professional-grade materials from DuraFlex, HeatShield, Gelco, Olympia Chimney, Famco, and Copperfield - the brands that other sweeps call when they can’t source locally. That inventory matters in Port Chester, where a delayed liner job can mean a condemned boiler in January and unhappy tenants. We stock the common diameters and fittings for the gas conversions we see repeatedly in this market, so most jobs don’t wait on parts. When we specify HeatShield for a terra-cotta repair or a DuraFlex liner for a tight offset, we’re specifying from direct experience, not a catalog.
Common Chimney Liner & Rebuild Problems We See in Port Chester Homes
- Cross-contamination in shared multi-flue stacks. A neighbor’s converted gas boiler vents into a tile that also serves your apartment’s fireplace, pushing carbon monoxide and creosote-condensed odor between units. We find this regularly in Port Chester’s attached brick tenements, and it’s dangerous - not merely unpleasant.
- Terra-cotta tiles cracked by decades of thermal cycling. Coal burned hot and steady. Gas cycles on and off. The expansion and contraction over a century fractures the original liner tiles, letting flue gas escape into the masonry body. Port Chester’s coastal damp and hard freeze-thaw winters then spall the exterior brick faster than inland towns see.
- Absentee-landlord records gaps. No one can say which flue serves which appliance, so a liner gets dropped into the wrong tile and the actual appliance still vents through an unlined passage. This is a Westchester County code violation, and it happens more often in Port Chester’s large rental market than anywhere else we serve.
- Spalled crowns and open mortar joints from salt air exposure. Proximity to Long Island Sound means more moisture, more freeze cycles, and faster deterioration of the chimney’s top seal. A crown that might last 20 years in Scarsdale needs attention in 12 in Port Chester.
Pricing for Chimney Liner & Rebuild in Port Chester, NY
| Service | Typical Range in Port Chester |
|---|---|
| Flexible liner installation (single flue) | $2,200 - $3,800 |
| Stainless steel rigid liner | $2,500 - $4,200 |
| Full liner replacement with tile removal | $2,800 - $4,500 |
| Partial rebuild (crown + upper courses) | $3,200 - $5,500 |
| Full chimney rebuild (rare) | $6,000 - $12,000+ |
| HeatShield terra-cotta repair | $1,800 - $3,200 |
| Level-2 camera inspection with photo report | $289 - $389 |
What moves a job toward the higher end: multiple flues requiring separate liners, scaffold rental for tight-access row houses, coordination with multiple tenants or a management company, and discovery of hidden damage once the camera goes in. What keeps costs down: accurate flue mapping before we start, a single coordinated visit, and no change orders because someone guessed wrong. We give you the full number before we book - no surprises on the bill. Call (914) 603-1360 for a free estimate. Estimates are free, and every one includes the camera inspection.
We Also Serve Cities Near Port Chester
Our crews work throughout southern Westchester, and we regularly handle chimney liner and rebuild jobs in Port Chester as well as Harrison, White Plains, Scarsdale, and Hartsdale. The housing stock changes as you move inland - fewer shared stacks, more single-family brick - but the need for honest inspection and documented repair doesn’t. Scheduling is coordinated from our New York City office, with local crews dispatched to your property.
Serving Port Chester, NY - Our Local Coverage Area
We’re based in the Port Chester 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 Port Chester
Yes. In Port Chester’s shared multi-flue tenements, a neighbor’s converted oil or gas boiler often vents into a flue tile that connects to your fireplace through cracked mortar or missing partition walls. The “fireplace smell” is actually combustion byproducts and creosote condensation migrating between units. We map the flue system with a camera to confirm cross-contamination, then seal or reline the affected passages to isolate each appliance. Call (914) 603-1360 - we’ll identify the source before any work is priced.
Yes. Port Chester sits at the southwestern edge of Westchester County near Long Island Sound, where higher ambient moisture and salt air accelerate spalling of brick and mortar joints, especially on exposed chimney crowns. The freeze-thaw cycle here is harder and more frequent than in White Plains or Scarsdale, and we’ve documented faster crown failure in Port Chester properties across decades of service. That coastal reality means inspections should be more frequent, not less.
Yes, but we won’t drop a liner until we do know. Our standard procedure in Port Chester multi-families is to camera-inspect every flue in the stack, trace each to its appliance, and produce a numbered flue map that we leave with the owner or post in the basement. On a 2.5-story brick tenement off Westchester Avenue near the downtown core, our tech found a first-floor gas-converted boiler venting into the same unlined coal-era flue that a second-floor fireplace used - the tenant’s “fireplace draft” problem was actually CO from the boiler next door. We used HeatShield to repair and reline the shared stack, dropped a DuraFlex stainless liner for the boiler flue, replaced the spalled chimney crown and cap, and handed the landlord a flue map taped inside the basement door. Guessing is not an option.
Repair - typically with HeatShield cerfractory foam - fills gaps, cracks, and missing mortar between sound terra-cotta tiles, restoring a continuous flue surface without removing the original liner. Replacement removes the tile system entirely and installs a new stainless steel liner. In Port Chester, we recommend repair when roughly 70% or more of the tile remains structurally sound; replacement when tiles are shifted, collapsed, or missing large sections. The camera inspection tells us which path is appropriate, and we show you the footage before you decide. Repair runs $1,800-$3,200; replacement starts around $2,800.
Westchester County follows NFPA 211: annual inspection for active heating appliances, and for fireplace flues in rental units regardless of use frequency. In Port Chester’s large absentee-landlord market, we strongly recommend annual Level-2 inspections because tenant turnover means you rarely know what’s actually connected or how it’s being used. A gas conversion done without permit, a tenant removing a cap, a boiler replacement that reuses the wrong flue - these are routine findings here, and they’re liability issues an annual inspection catches before they become emergencies. Call (914) 603-1360 to schedule; we coordinate with property managers and can inspect multiple units in a single visit.
Written by Russell Haines, Owner at Hearthstone Chimney Co., serving Port Chester and local communities for over 42 years.





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