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 Chelsea
Chimney liner replacement and partial rebuilds in Chelsea, MA typically run $1,800-$6,500 depending on flue count, access, and whether the chimney crown and smoke chamber need work. Most liner jobs we book in Chelsea are completed in a single visit once materials are staged, and we scope every flue with a Level-2 camera inspection before quoting anything. If your chimney is one of the thousands of post-1908-fire rebuilds that dominate this city, there’s a strong chance it’s running on original clay tile that’s already a century old. Call (857) 597-5950 - a live person answers, and we’ll schedule a camera inspection that ends with photos you can see and a plain-English verdict.
We’ve been dispatching crews to Chelsea from our Boston office for decades. We know the triple-deckers off Broadway, the attached brick rows near Chelsea Square, and the persistent salt air off Chelsea Creek that eats mortar joints faster than homeowners in Everett or Somerville usually see. Our technicians are background-checked, uniformed, and carry the professional-grade materials to finish most jobs without a return trip.
Why Hearthstone Chimney Co. Is Chelsea’s Preferred Chimney Liner & Rebuild Company
We’ve built our reputation in Chelsea the same way we have everywhere else: by showing homeowners exactly what our camera sees before we talk price. No guesswork. No “trust me, it needs it.” Photos you can see, a plain-English verdict. That’s the Keystone Standard we’ve operated under since 1984.
Our 90-Day Done Right Promise is backed in writing with no arguing - Krafted right, Every time, Your home first, Standing behind it. If it’s not right, we come back. No paperwork shuffle, no voicemail runaround. Calls are answered by a live person 24 hours a day, 7 days a week, and our no-hassle upfront pricing means the number on the estimate is the number on the invoice.
Chelsea’s density and housing age create chimney problems we see nowhere else in the same concentration. A single masonry stack serving three tenant households, each with different heating appliances and venting needs, requires a sweep who understands per-flue isolation and multi-party liability - not a one-truck operator guessing from the roofline. We document every flue independently so landlords, tenants, and homeowners all have clear evidence of what was found and what was done.
Our Chimney Liner & Rebuild Services in Chelsea
Stainless Steel Liner Installation
A stainless steel liner is the standard replacement for failed clay tile in Chelsea’s older chimneys. We use DuraFlex and Olympia Chimney products, sized precisely to the appliance below - critical in triple-deckers where a gas furnace, wood insert, and oil boiler may all vent into the same stack. In Chelsea, we regularly find original 1910s-1930s clay tile that’s cracked from a century of freeze-thaw cycling off the harbor. A stainless liner drops inside the existing flue, restores proper draft, and contains combustion byproducts so they don’t leak into neighboring units. Most single-flue stainless installations in Chelsea run $2,200-$3,800.

Flexible Liner Installation
Flexible liners solve the access problem in Chelsea’s tight construction. Many chimneys in the post-fire rebuild neighborhoods have offset flues, narrow cleanouts, or structural constraints that rigid pipe won’t navigate. Our flexible liner installations, using DuraFlex or HeatShield-compatible systems, thread through offsets without dismantling walls - essential in attached rowhouses near Bellingham Square where there’s no room to work from the exterior. Flexible liners also accommodate the multiple bends common in triple-decker chimneys that were modified over decades. Typical flexible liner jobs in Chelsea range $2,800-$4,500 depending on length and insulation requirements.

Liner Replacement
Liner replacement is our most common service call in Chelsea, and for clear reason. The city’s chimney stock is overwhelmingly century-old clay tile that was never designed for modern appliance efficiency or venting temperatures. We see unlined flues in pre-1908 survivors and cracked, shifted tile in the 1910s-1930s rebuilds everywhere from the Admiral’s Hill area to the residential streets off Revere Beach Parkway. Our Level-2 camera inspection identifies tile failure, creosote buildup behind cracked sections, and gaps that allow heat and CO to transfer between flues serving separate households. Replacement includes proper sizing, insulation where required by code, and documentation for insurance and landlord-tenant compliance. Liner replacement in Chelsea typically costs $1,800-$4,200 per flue.

Partial Rebuild
Partial rebuilds address what happens when water and salt get past the crown. Chelsea’s harbor exposure means mortar joints erode faster here than in Revere or Everett, and once water reaches the smoke chamber, repointing isn’t enough. A partial rebuild restores the crown, top courses of brick, and often the smoke chamber walls while preserving the chimney’s lower structure. We use professional-grade materials from Gelco and Famco for crowns and caps, and we match existing brick where possible. On a recent job off Broadway near Chelsea Square, our camera found spalling mortar at the crown from harbor salt and wind-driven rain - the chimney looked sound from the sidewalk. Partial rebuilds in Chelsea generally run $3,500-$6,500.

What happens when you call
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A real person answersNo phone trees - you reach a local pro.
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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 Chelsea
We don’t substitute builder-grade materials to hit a price point. Our trucks carry DuraFlex stainless and flexible liners, HeatShield cerfractory flue resurfacing systems, Gelco chimney caps and crowns, Olympia Chimney components, Famco hardware, and Copperfield specialty tools - the brands that professional sweeps specify when the job has to last. For Chelsea customers, this means we can usually stage materials and complete the repair without waiting on special orders. A liner job that drags across three visits because parts aren’t in stock is not a square deal. We stock for the work we do, and we finish most jobs in a single visit.
Common Chimney Liner & Rebuild Problems We See in Chelsea Homes
- Unlined or cracked original clay-tile flues in 1910s-1930s triple-deckers. These chimneys appear adequate from grade but leak CO and heat between stacked tenant units. Our camera inspection finds tile shifted by freeze-thaw, gaps at mortar joints, and third-degree creosote glaze that brushes can’t reach - all invisible from the roof or sidewalk.
- Undersized, unrelined flues serving post-conversion gas appliances. When a first-floor tenant switches from oil to gas but the original oversized clay-tile flue is never resized, the appliance vents improperly and may share a deteriorated chimney with upper-floor wood-burning inserts. This combination is common in Chelsea’s triple-deckers and creates draft reversal and cross-contamination risks for two or three households at once.
- Salt-laden air off Chelsea Creek accelerating mortar and flashing failure. Harbor exposure erodes joints and corrodes flashing faster than inland communities. A chimney that looks sound from the street can have deeply compromised crown integrity. New England nor’easters push wind-driven rain and snow directly into the crown, making cap and crown failure a recurring seasonal problem.
- Multi-flue chimneys with incompatible appliances sharing a stack. A gas furnace, wood insert, and oil boiler venting into the same unlined masonry chimney create conflicting draft demands and temperature profiles. Each flue needs independent assessment, proper sizing, and documented separation - especially in rental properties where landlord and tenant responsibilities overlap.
Pricing for Chimney Liner & Rebuild in Chelsea, MA
Here’s what chimney liner and rebuild work costs in Chelsea’s market:
- Stainless steel liner (single flue): $2,200-$3,800
- Flexible liner with insulation: $2,800-$4,500
- Liner replacement (clay tile removal, new liner): $1,800-$4,200 per flue
- Partial rebuild (crown, top courses, smoke chamber): $3,500-$6,500
- Full chimney rebuild: $8,500-$15,000+ (rare; most Chelsea stacks are salvageable with targeted work)
What moves the number: flue count in multi-unit buildings, access for scaffolding in tight lots, whether the smoke chamber needs parging, and if we’re matching historical brick. Every estimate starts with a $89 Seasonal Tune-Up that includes the Level-2 camera inspection - that fee applies to your repair if you move forward. We also offer $50 off any repair over $250, a free second opinion on any written estimate you’ve received, and a permanent 5% senior and veteran discount. Call (857) 597-5950 for an exact quote - estimates are free.
We Also Serve Cities Near Chelsea
Our crews work throughout the immediate metro area, including Chimney Liner & Rebuild in Chelsea and neighboring Everett, Revere, Boston, and Somerville. Dispatch and scheduling are coordinated from our Boston office, with local technicians serving each community. Whether you’re in a Chelsea triple-decker, a Revere ranch, or a Somerville Victorian, the same standards apply: camera evidence before quoting, upfront pricing, and the 90-Day Done Right Promise in writing.
Serving Chelsea, MA - Our Local Coverage Area
We’re based in the Chelsea 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 Chelsea
Not necessarily the whole stack, but every flue must be assessed independently. In Chelsea’s triple-deckers, each tenant unit typically has its own flue within the shared masonry chimney, and one flue can fail while others remain serviceable. Our camera inspection documents each flue separately with photos the landlord and tenants both see. We only quote liner work on flues that show documented failure - cracked tile, improper sizing, or dangerous creosote accumulation. Call (857) 597-5950 to schedule per-flue inspection and get clear scope before any work begins.
In Chelsea, “looks fine from the street” is not a diagnostic. The city’s post-1908-fire rebuild concentrated its chimney stock in the 1910s-1930s, so nearly every flue we scope here is a century-old clay tile that’s already survived a hundred freeze-thaw cycles off Chelsea Creek. Salt-laden harbor air erodes mortar joints from the inside out, and cracked tile is invisible until a camera shows it. Our Level-2 inspection finds what the eye cannot - shifted flue tiles, gaps between courses, and creosote glazing behind cracks that brushes miss. The $89 Seasonal Tune-Up includes this camera inspection; that credit applies to any repair.
Yes, and it’s one we see constantly in Chelsea. An oversized clay-tile flue designed for oil combustion is too large for a modern gas appliance. The lower temperature and slower draft of gas exhaust allow condensation inside the flue, which accelerates tile deterioration and can cause draft reversal - especially when upper floors are running wood-burning inserts into the same chimney. On a triple-decker off Broadway near Chelsea Square, we scoped exactly this scenario: first-floor gas appliance, second and third-floor wood inserts, all venting into a 1920s brick stack with cracked tile and third-degree creosote. We dropped a DuraFlex stainless liner for the gas unit, insulated the wood-burning flue, and repointed the crown so all three units vented independently. Call (857) 597-5950 if this matches your building.
A partial rebuild restores the crown, top brick courses, and smoke chamber while preserving the chimney’s lower structure and foundation. Most Chelsea chimneys from the 1910s-1930s rebuild era need this, not full demolition. A full rebuild is only necessary when the foundation is compromised or the stack has suffered catastrophic structural failure - rare in Chelsea’s well-built masonry, more common after long-neglected water damage. Our camera and exterior inspection determines which applies. We don’t quote rebuild work unless we’ve documented the damage and shown you the photos. Partial rebuilds in Chelsea run $3,500-$6,500; full rebuilds start around $8,500.
Demand camera evidence you can see, and never agree to liner work from a company that won’t show you the inside of your flue. At Hearthstone, our Level-2 inspection ends with dated photos and a plain-English verdict - cracked tile, unlined masonry, improper appliance sizing, or clear evidence of cross-flue leakage. If we don’t find it, we don’t sell it. Our 90-Day Done Right Promise means we have every reason to be right the first time; a pushed liner that fails is our cost, not yours. We also offer a free second opinion on any written estimate you’ve received from another company. Call (857) 597-5950 for an inspection with nothing to prove and nothing to hide.
Ready to know what your chimney actually needs? Call (857) 597-5950 - a live person answers 24 hours a day, 7 days a week - and schedule a Level-2 camera inspection that ends with photos you can see and a plain-English verdict. Estimates are free, and most liner and rebuild jobs are completed in a single visit once materials are staged. Done right - and we stand behind it.
Written by Russell Haines, Owner at Hearthstone Chimney Co., serving Chelsea and local communities for over 42 years.





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