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 Repair Across New Canaan
Chimney repair in New Canaan, CT typically costs between $450 and $3,800 depending on scope, with mortar repointing and spalling brick repair making up the majority of calls we receive. Most standard repairs are completed in a single visit after a Level-2 camera inspection, and our Chimney Repair team dispatches to New Canaan from our Hartford office with crews that know the local housing stock.
We’ve been answering calls with a live person, 24 hours a day, 7 days a week, for over 42 years. When you phone (475) 251-7537, you reach someone who can book your inspection, not a callback queue. New Canaan homeowners tend to stay in their homes for decades, and they want repairs done once, done correctly, and never thought about again. That’s the job we aim for.
Why Hearthstone Chimney Co. Is New Canaan’s Preferred Chimney Repair Company
New Canaan’s housing stock doesn’t forgive guesswork. The town holds one of the densest concentrations of mid-century modern residential architecture in the United States, homes designed by or in the tradition of the Harvard Five - Philip Johnson, Marcel Breuer, Eliot Noyes, and their peers - built in the 1950s and 60s with unconventional chimney configurations. Interior chases penetrate flat or low-slope roofs. Experimental masonry assemblies and non-standard flue geometries now, 60 to 70 years on, present deteriorating liners and failed mortar that require specialized diagnosis not commonly encountered in neighboring Greenwich or Wilton.
Our technicians have worked these properties. They know a standard extension ladder won’t reach the crown on a flat-roof contemporary off Ponus Ridge Road or a mid-century estate near Silvermine. They arrive with the right access equipment and the patience to inspect from firebox, roof-side, and interior chase access points. No rescheduling. No surprises.
We’re also familiar with New Canaan’s pre-WWII colonials and Georgians, many with original single-wythe brick flues that are frequently unlined. Previous owners often vented furnaces or water heaters into stacks never designed for them, accelerating spalling and mortar failure from the inside out. We document what we find with photos you can see and a plain-English verdict. Nothing is recommended without camera evidence you can review yourself.
Our 90-Day Done Right Promise governs every job: Krafted right, Every time, Your home first, Standing behind it. In writing. No arguing. If it’s not right, we come back.
Our Chimney Repair Services in New Canaan
Chimney Rebuilding
Some New Canaan chimneys have reached the end of their service life. Pre-WWII colonials near the town center with unlined, single-wythe brick flues often show structural compromise from decades of freeze-thaw cycling and, in many cases, improper appliance venting by previous owners. Mid-century modern homes present their own rebuilding challenges: interior chases with flat-roof penetrations require careful disassembly and reassembly to maintain both structural integrity and the architectural lines these homes are known for. We rebuild with professional-grade materials from Olympia Chimney and Copperfield, sized and specified to the actual appliance load, not a rule-of-thumb guess.

Mortar Repointing
Repointing is the most common repair we perform in New Canaan, and for good reason. The town’s original brick flues, both in historic colonials and mid-century experimental masonry, were laid with lime-based mortars that deteriorate faster than the brick itself. Once mortar joints recede past a half-inch, water penetrates, freezes, and expands, opening the joint further. In New Canaan’s dense tree canopy, leaf litter and organic debris hold moisture against chimney crowns and upper masonry, accelerating the cycle. We grind out failed joints to proper depth, match the original mortar composition, and repoint by hand. Most repointing jobs in New Canaan run $850-$2,200 for partial stacks, $2,800-$4,500 for full rebuilds above the roofline.

Chimney Waterproofing
New Canaan’s combination of mature canopy cover, sustained heating-season use from October through April, and aging masonry makes waterproofing a practical investment rather than an upsell. We apply vapor-permeable sealers from professional-grade lines that allow brick to breathe while shedding liquid water. This matters particularly for mid-century homes with experimental masonry assemblies that may not have been designed with modern moisture management in mind. Waterproofing a typical New Canaan chimney runs $650-$1,400 depending on accessibility and square footage. We won’t recommend it if camera inspection shows your masonry is already too compromised for sealant to help; we’d rather rebuild correctly than sell a temporary fix.

Flashing Repair
Flashing failures are often missed on New Canaan’s flat and low-slope roof homes because technicians without local experience simply can’t reach the penetration to inspect it. Step flashing, counterflashing, and chimney cricket integration all require hands-on assessment. We repair or replace flashing with proper integration into the roofing plane, using materials compatible with your existing roof system. Typical flashing repair in New Canaan runs $450-$1,200; full replacement with cricket installation on challenging access homes can reach $1,800-$2,800.

Spalling Brick Repair
Spalling - the flaking and crumbling of brick faces - is rampant in New Canaan’s unlined pre-WWII flues where acidic condensation from gas appliances has attacked the interior wythe for decades. Exterior spalling on mid-century chimneys often traces to failed crown sealant or improper original construction. We remove and replace spalled units, address the moisture source, and match replacement brick for color and texture where visible. Partial spalling repair runs $1,200-$2,800; extensive rebuilding with brick replacement reaches $3,200-$5,500.

Tuckpointing
For historic New Canaan homes where aesthetic match matters, tuckpointing restores the fine-line appearance of original Georgian and Colonial mortar joints while structurally repointing behind the decorative finish. This is specialized work requiring color matching and tool skills. We quote tuckpointing only after photographic documentation and a sample panel the homeowner approves.

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 New Canaan
We work exclusively with professional-grade materials from industry-trusted brands: DuraFlex stainless steel liners for relining jobs, HeatShield cerfractory sealant for smoke chamber restoration, Gelco and Famco caps and dampers, Olympia Chimney components, and Copperfield masonry supplies. We stock common sizes and configurations locally, so New Canaan repairs aren’t delayed waiting for parts. No builder-grade substitutes. The materials we use are the same ones specified by engineers for commercial installations; we just apply them with the care a homeowner’s house deserves.
Common Chimney Repair Problems We See in New Canaan Homes
- Interior chases with flat-roof penetrations. On mid-century modern homes throughout New Canaan, chimney flues hidden inside interior chases cannot be assessed from above with standard equipment. Crews unfamiliar with these properties often skip crown and flashing inspection entirely, missing water intrusion that destroys the chase from the inside out.
- Unlined single-wythe brick flues with improper appliance venting. Pre-WWII colonials and Georgians near the town center frequently have original flues that previous owners used for furnaces, water heaters, or both. The acidic condensation accelerates mortar failure and spalling brick from the interior, invisible until camera inspection.
- Crown cracking from organic debris retention. New Canaan’s exceptionally dense, large-lot tree canopy showers chimney caps and crowns with leaf litter and twigs that hold moisture against masonry. This contributes to crown cracking and spalling between annual inspections at a higher rate than more open suburban towns nearby.
- Failed mortar from freeze-thaw cycling. Southwestern Connecticut’s sustained cold season encourages heavy wood-burning, but the real damage comes from water infiltration through failed joints that freezes and expands. New Canaan’s aging housing stock - both pre-WWII and mid-century - is hitting this maintenance window simultaneously.
Pricing for Chimney Repair in New Canaan, CT
Honest pricing means numbers, not vagueness. Based on jobs we’ve completed in New Canaan over the past several seasons, here are typical ranges:
| Service | Typical Range in New Canaan |
|---|---|
| Mortar repointing (partial stack) | $850 - $2,200 |
| Mortar repointing (full stack above roofline) | $2,800 - $4,500 |
| Spalling brick repair (partial) | $1,200 - $2,800 |
| Spalling brick repair (extensive with rebuild) | $3,200 - $5,500 |
| Chimney waterproofing | $650 - $1,400 |
| Flashing repair | $450 - $1,200 |
| Flashing replacement with cricket | $1,800 - $2,800 |
| Chimney rebuilding (partial) | $3,500 - $6,500 |
| Chimney rebuilding (full) | $7,500 - $14,000 |
What moves a job within these ranges: accessibility (flat-roof homes require specialized equipment), extent of masonry damage, whether the flue needs relining, and whether previous repairs used incompatible materials that must be removed. We provide no-hassle upfront pricing - the number on the estimate is the number on the invoice. Estimates are free. Call (475) 251-7537 for an exact quote on your specific chimney.
We Also Serve Cities Near New Canaan
Our crews work throughout southwestern Connecticut, including Chimney Repair in New Canaan and neighboring Wilton, Darien, Westport, and Weston. Each town has its own housing character and repair patterns; we adjust our approach accordingly rather than applying a single template.
Serving New Canaan, CT - Our Local Coverage Area
We’re based in the New Canaan 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 Repair in New Canaan
Yes. We’ve worked these homes extensively and arrive with the access equipment to inspect from firebox, roof-side, and interior chase points as needed. Standard extension ladders cannot reach the crown on flat or low-slope roof homes, so crews without local experience often skip critical inspection areas. We don’t. Call (475) 251-7537 to schedule - we’ll confirm the access plan when you book.
Always. Our Level-2 camera inspections end with photos you can see and a plain-English verdict. Nothing is recommended without evidence you can review yourself. On a 1958 flat-roof contemporary off Ponus Ridge Road, our tech found second-degree creosote packed into an unlined clay-tile flue that had been venting a gas furnace and a wood fireplace into the same oversized stack. We ran a camera from the firebox, showed the homeowner the cracked mortar joints and glazed creosote on a tablet in the driveway, and relined with a DuraFlex stainless liner sized for the fireplace, then repointed the smoke chamber before reinstalling the damper. No work was recommended that the homeowner couldn’t see on the screen first. Call (475) 251-7537 to book your inspection.
Two housing cohorts are aging into serious maintenance simultaneously. Pre-WWII colonials and Georgians have original single-wythe brick flues, often unlined, with lime mortar that deteriorates faster than the brick. Previous owners frequently vented gas appliances into these stacks, accelerating interior damage. Mid-century modern homes used experimental masonry assemblies now 60 to 70 years old, and their interior chases trap moisture differently than exterior stacks. New Canaan’s dense tree canopy adds organic debris that holds water against crowns and upper masonry. The result is widespread mortar failure and spalling that demands camera-verified diagnosis. Call (475) 251-7537 for a free inspection and exact repair quote.
No, and if yours currently does, it needs immediate correction. This was a common shortcut in older homes, particularly pre-WWII colonials where previous owners added gas appliances to existing unlined flues. The combination creates dangerous draft conflicts, accelerates creosote and corrosion, and violates current code. We separate the venting with proper liners sized to each appliance, documented with photos you can see. Call (475) 251-7537 - we’ll inspect and quote the correction.
Annual Level-2 inspection is the minimum for New Canaan homes. The combination of heavy heating-season use from October through April and continuous organic debris from the dense tree canopy means caps clog, crowns crack, and moisture penetrates faster than in more open towns. Mid-century modern homes with interior chases have the additional concern that water intrusion may go unnoticed longer because the chase hides it from view. An annual camera inspection catches what visual checks miss. Call (475) 251-7537 to schedule - estimates are free.
Ready to get your chimney repaired right? Call Hearthstone Chimney Co. at (475) 251-7537 to speak with a live person, 24 hours a day, 7 days a week. We’ll schedule your free estimate, conduct a Level-2 camera inspection with photos you can see, and provide upfront pricing with no surprises on the bill. Most repairs are completed in a single visit by background-checked, uniformed technicians. The 90-Day Done Right Promise covers everything we do - in writing, no arguing. We’ve served local communities for over 42 years, and we plan to be here when you need us again.
Written by Russell Haines, Owner at Hearthstone Chimney Co., serving New Canaan and surrounding communities since 1984.





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