Fast, Reliable Chimney Liner & Rebuild Across Cambridge
Chimney liner installation and chimney rebuilds in Cambridge typically run $2,800-$8,500 depending on scope, and most projects are inspected, estimated, and scheduled within 48 hours. We’re familiar with the triple-decker chimneys of East Cambridge, the Victorian flue systems near Brattle Street, and the freeze-thaw damage that hits exposed masonry along the Charles River. If you’re seeing water stains, smelling smoke in upper units, or your heating contractor flagged a liner gap, we’ll send a technician to your Cambridge address with a camera rig, document what we find with photos you can see, and give you a plain-English verdict and upfront price before any work begins. Call (844) 803-1545 - a live person answers, 24 hours a day.
Why Hearthstone Chimney Co. Is Cambridge’s Preferred Chimney Liner & Rebuild Company
We’ve been working on Cambridge chimneys since before the Red Line was extended to Alewife. In 42 years, we’ve rebuilt liners in North Cambridge triple-deckers near Mass. Ave., replaced corroded flexible liners in Harvard Square basements, and documented cracked terracotta in Avon Hill Victorians for landlords who needed certificate-of-occupancy clearance. Cambridge homeowners know our trucks. They also know our Chimney Liner & Rebuild in Cambridge crews arrive when we say we will, in uniform, with background-checked technicians who’ve seen the specific fuel-conversion damage this city’s housing stock produces.
Our Level-2 camera inspections end with dated photos and a written verdict - no vague hand-waving, no pressure to commit on the spot. The 90-Day Done Right Promise governs every liner and rebuild job we do in Cambridge: if it’s not right, we make it right, in writing, no arguing. That’s the Keystone Standard. And when you call (844) 803-1545, a live person picks up - not a queue, not an app, not a callback tomorrow.
Our Chimney Liner & Rebuild Services in Cambridge
Stainless Steel Liner Installation
Stainless steel liners are the right choice for most Cambridge gas and oil conversions, especially in triple-deckers where the original terracotta has cracked from decades of thermal cycling. We size and install DuraFlex and Olympia Chimney stainless systems to match your appliance’s BTU output and draft requirement, not whatever pipe happens to be in the truck. In East Cambridge’s 02141 zip, where multiple flues share a single stack, proper sizing prevents the backdrafting and carbon monoxide migration that Cambridge’s rental inspection program increasingly flags. Most stainless installations in Cambridge run $2,800-$4,200 and are completed in one day.

Flexible Liner Installation
Flexible liners navigate the offset flues and tight smoke chambers common in Cambridge’s 1880s-1920s construction, where straight drops are rare and rigid pipe won’t fit. We’ve run flexible DuraFlex liners through the twisted flue paths of Cambridgeport row houses and North Cambridge conversions where previous owners bricked in hearths without relining. Flexible installation demands precise measurement - too short and you create a condensation trap, too long and you obstruct draft. Our technicians measure twice, cut once, and document the full run with camera footage before the cap goes back on. Typical flexible liner jobs in Cambridge cost $2,400-$3,800.

Liner Replacement
Replacement becomes necessary when existing liners have separated, corroded through, or been damaged by chimney fires - something we see more often than you’d expect in Cambridge’s older rental stock, where tenants sometimes burn unseasoned wood in inserts that were never properly lined. Our Chimney Liner & Rebuild team removes the failed liner, inspects the surrounding masonry for hidden damage, and installs a new system sized to current NFPA 211 standards. We also handle abandoned flue sealing, a critical step in multi-unit Cambridge buildings where open flues create smoke and CO pathways between apartments. Liner replacement in Cambridge typically ranges $3,200-$5,500 depending on flue count and access.

Partial Chimney Rebuild
Partial rebuilds address the crown, shoulder, and upper courses where Cambridge’s freeze-thaw cycle does its worst damage. The city’s position between the Charles River and Boston Harbor means winter moisture penetrates lime-mortar joints, expands on freezing, and spalls brick faces by spring. We rebuild with matching brick and proper crown slope and overhang, using materials rated for New England’s wet cold - not the quick-parge jobs that fail in two seasons. For Cambridge’s pre-1940 chimneys, we also inspect and document the flue tile condition during rebuild, since upper-stack work is the right time to address liner gaps you can’t see from below. Partial rebuilds in Cambridge generally run $4,500-$7,200.

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 Cambridge
We stock and install professional-grade materials from DuraFlex, Olympia Chimney, Famco, and Copperfield - brands that meet or exceed Massachusetts building code and hold up to Cambridge’s wet, cold heating season. We don’t substitute builder-grade parts to shave estimates. When we specify a liner or rebuild component for your Cambridge chimney, it’s the same material we’d use on our own building. That inventory lives in our local warehouse, which means most Cambridge jobs don’t wait on shipping. Our technicians carry common liner diameters, crown-forming materials, and matching brick samples on every truck, so the work starts when we arrive, not two weeks later.
Common Chimney Liner & Rebuild Problems We See in Cambridge Homes
- Cracked terracotta from fuel-type conversions. Cambridge’s triple-deckers and Victorians were built for coal, converted to oil, then to gas - each transition leaving a liner sized for a hotter, dirtier burn. The thermal shock of these changes fractures original flue tiles, creating gaps that let combustion gases leak into wall cavities and neighboring flues.
- Freeze-thaw masonry failure on river-facing exposures. Chimneys on the northern and eastern sides of Cambridge, particularly those with crowns facing the Charles, absorb driving rain and snowmelt all winter. Lime mortar in pre-1940 construction deteriorates rapidly under this load, leading to shoulder separation and brick spalling that demands partial rebuild before the stack becomes unstable.
- Abandoned flues open to active ones in multi-unit buildings. In East Cambridge and Cambridgeport, we regularly find four-flue stacks where one or two flues were capped but never properly sealed at the thimble or smoke chamber. Carbon monoxide and smoke migrate between units, a condition Cambridge’s inspectional services now flags during landlord CO renewal inspections.
- Unpermitted wood-burning inserts with improper liner connections. Tenants and owners in Cambridge’s high-turnover rental market sometimes install inserts without pulling a permit or running a proper liner to the top of the flue. The result is creosote buildup in the unlined surround, elevated fire risk, and failed inspection when the property changes hands.
Pricing for Chimney Liner & Rebuild in Cambridge, MA
Here’s what liner and rebuild work costs in the Cambridge market, based on jobs we’ve completed in 02140, 02141, 02142, and 02238 over the past three years:
| Service | Typical Range in Cambridge | Most Common Price Point |
|---|---|---|
| Stainless steel liner (single flue, standard access) | $2,800 - $4,200 | $3,400 |
| Flexible liner (offset flue, tight chase) | $2,400 - $3,800 | $3,100 |
| Liner replacement (remove and replace, including abandoned flue seal) | $3,200 - $5,500 | $4,200 |
| Partial rebuild (crown, shoulder, upper 4-6 courses) | $4,500 - $7,200 | $5,600 |
| Full chimney rebuild (rare; extensive structural failure) | $8,500 - $14,000 | $10,500 |
| Level-2 camera inspection with written report | $289 - $389 | $325 |
What moves you within these ranges: flue count, roof access difficulty (Cambridge’s tight lots and steep pitches add labor), whether the fireplace needs refractory repair, and if we find hidden masonry damage once the old liner is out. We don’t discover surprises and then pad the bill. If our camera inspection and estimate turn up something unexpected, we show you the photo, explain the option, and get your approval before the cost changes. Estimates are free. Call (844) 803-1545 to schedule.
Standing offers for Cambridge homeowners: $50 off any repair over $250, free second opinion on any written estimate you bring us, $89 seasonal tune-up, and a permanent 5% senior and veteran discount.
We Also Serve Cities Near Cambridge
Our crews work daily in Cambridge and the surrounding communities - Somerville’s dense Victorian stock, Brookline’s large single-family flue systems, Medford’s mixed-era housing, and Boston’s older masonry throughout Back Bay and the South End. If you’re in 02140, 02141, 02142, or 02238, we’re your local crew. If you’re across the river in Somerville or down Commonwealth in Brookline, we answer the same phone and bring the same standard. We also handle Chimney Cleaning & Sweep in Cambridge and Chimney Repair in Cambridge - many homeowners bundle inspection, sweep, and liner work in a single visit.
Serving Cambridge, MA - Our Local Coverage Area
We’re based in the Cambridge 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 Cambridge
We typically schedule Cambridge inspections within 24-48 hours of your call, and emergency situations involving suspected carbon monoxide leakage or active masonry failure get same-day response. Our technicians live and work in the Boston metro area, so we’re not driving down from New Hampshire or across from Worcester. Call (844) 803-1545 - a live person will find the next available slot and give you a two-hour arrival window, not an all-day wait.
We work in every Cambridge neighborhood, from the triple-deckers of East Cambridge and North Cambridge to the Victorian estates of Brattle Street and Avon Hill in 02138, to the converted commercial and residential buildings around Kendall Square and MIT. The specific conditions vary - river exposure, roof pitch, rental vs. owner-occupied - and our estimates account for those factors, not a one-size-fits-all price.
Yes. We answer calls 24 hours a day, 7 days a week, and we dispatch for true emergencies: carbon monoxide alarms triggered by flue damage, chimney fires, or structural failures that threaten roof integrity. For after-hours emergency calls in Cambridge, we assess by phone whether immediate dispatch is warranted or if a next-morning appointment is the safer, more cost-effective path. Either way, you’ll speak to a live person who understands chimney systems, not a call-center script.
Cambridge liner and rebuild costs run roughly parallel to Somerville and Medford, slightly higher than some outer suburbs due to tighter access, steeper roofs, and the complexity of multi-flue triple-decker stacks. Boston proper can run higher for parking and permitting logistics. We don’t adjust our rates based on your zip code - the estimate reflects the actual work, the actual materials, and the actual access conditions we find at your specific building.
Every liner and rebuild job is covered by our 90-Day Done Right Promise in writing: if it’s not right, we come back and make it right, no paperwork, no arguing. Manufacturer warranties on DuraFlex, Olympia Chimney, and Famco materials apply as specified. We also document every job with photos and a written report, so if a question arises months later, we have a record of what was done and why. For the exact warranty terms on your specific installation, ask during your free estimate - we’ll show you the written guarantee before any work begins. Call (844) 803-1545.
Written by Russell Haines, Owner at Hearthstone Chimney Co., serving Cambridge and local communities since 1984.