Masonry repair
Sweep & inspection
Caps & crowns
Flue relining
Gas fireplace serviceLevel 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 Fireplace Repair Across New York
Fireplace repair in New York is rarely a simple job. Most calls we get from Manhattan, Jackson Heights, and College Point involve old masonry, shared flues, or a gas conversion that’s been quietly venting into a space it shouldn’t. Ashby Chimney New York has repaired fireplaces in pre-war brownstones, high-rise co-ops, and attached row houses across the city since 2002, and we know the buildings well enough to anticipate what’s wrong before we even get up on the roof. If your fireplace is smoking, drafting badly, or failing a carbon monoxide test, call (315) 644-2982. We’ll give you a written price before any work starts, and we’ll stand behind the repair in writing.
Why Ashby Chimney New York Is New York’s Preferred Fireplace Repair Company
New York homeowners have been burned by contractors before. A technician who never shows. A price that doubles at the door. A liner that cracks six weeks after it was “fixed.” We built Ashby Chimney New York specifically to be the other kind of company. Nathan Corliss leads our New York crew under the Kingswell Guarantee, which is the standard that every repair gets a written price before work begins and a written guarantee when it’s done. If a covered repair fails inside the guarantee period, we come back at no charge. That’s the 365-Day Done Right Promise, and it’s not an add-on you pay extra for. It’s how we work.
Our techs are background-checked and in uniform every visit, so you know exactly who’s walking into your apartment or home. Phones are answered by a real person, 24/7. No voicemail loops. No callback forms. You call, a person answers, and we schedule a real arrival window. We carry professional-grade materials from DuraFlex, HeatShield, and Olympia Chimney, because chimney repair in New York means working on 19th-century brick and steel flues that punish cheap parts. Fireplace Repair is one of our three core services, and we treat every job like it’s our own building on the line.
Styles & brands we work with
Common Fireplace Repair Problems We See in New York Homes
- Shared chimney stacks in attached brownstones. Your neighbor’s boiler or gas fireplace can vent into your flue if the common stack has a failed cap or a cracked liner. Carbon monoxide migrates across property lines, which is why fire inspectors treat this as a dwelling-wide hazard, not a single-unit repair.
- Freeze-thaw spalling on 19th-century brick. New York winters push moisture into old mortar and brick, where it freezes, expands, and pops the face off the chimney. Cracks open up, rain gets into the firebox, and dampers rust shut. We see this in Maspeth and across Queens every spring.
- Decorative gas logs in pre-war co-ops venting into original coal flues. The fireplace looks fine. The flue behind the wall was never relined. A cracked terra-cotta liner leaks carbon monoxide into adjacent apartments, and the first sign is often a failed CO test during a building inspection.
- Tight roof access making repairs more complicated. On a narrow Manhattan street, getting a ladder or scaffold to a shared chimney stack means coordinating with neighbors, working around rooflines, and sometimes accessing from a parapet. It’s slower, but it’s the only safe way to do it.
Gas Fireplace Maintenance in New York
Gas Fireplace Maintenance in New York means working on units that were often installed decades ago, in fireplaces originally built for coal or wood. The firebox may be original masonry, the gas log set may be from the 1990s, and the flue may have never been touched. A proper maintenance visit includes cleaning the burner and pilot assembly, checking the thermocouple and thermopile, inspecting the gas valve and connections for leaks, and confirming the flue is sized and lined correctly for the appliance. In many New York pre-war buildings, the flue was sized for coal, which is a very different draft calculation than a modern gas log set.
Pilot Light Issues in Converted Fireplaces
A pilot light that won’t stay lit in a New York apartment often points to a failing thermocouple, but in older buildings, it can also mean the gas pressure is inconsistent or the draft is pulling the flame away. We test the millivolt system, clean the orifice, and check the flue draft before we replace any part. A pilot that keeps going out is a symptom, not the whole problem.
Carbon Monoxide Testing on Gas Log Sets
Every gas fireplace service in New York should include a CO test at the firebox opening and in the room. We use a meter, not a guess. Decorative gas logs in unlined coal flues can read fine at the burner and still push carbon monoxide into a bedroom two floors up. If the CO reading is anything above zero at the firebox, we don’t leave until we know why.
Wood Stove Installation in New York
Wood Stove Installation in New York is a different animal than it is upstate or out in the suburbs. Row houses and brownstones often have existing masonry chimneys that are too large, unlined, or already venting another appliance. A wood stove needs a properly sized stainless liner, a clean connection from the stove collar to the chimney, and enough clearance from combustible framing that you’re not building a fire hazard into a 120-year-old wall. We install wood stoves with liners from DuraFlex and Olympia Chimney, sized to the stove’s actual flue requirement, not whatever fits.
Clearances and Code in Tight Row Houses
In a New York row house, the space between buildings is measured in inches. Clearance to combustibles, floor protection, and hearth extension requirements all get tight in old parlors that were never framed for a modern stove. We measure carefully, note any code issues in writing, and don’t install unless the clearances work. Better to tell you the stove won’t fit safely than to bolt it in and hope.
Liner Sizing for Existing Masonry Chimneys
An old New York chimney built for a coal fireplace might have a flue that’s 12 by 12 inches or larger. A modern wood stove needs a 6-inch or 8-inch round liner to draft correctly. We size the liner to the stove manufacturer’s spec and insulate it where the old flue is oversized or too close to framing. A correctly sized liner is the difference between a stove that drafts and one that smokes into your living room every time you open the door.
Trusted Brands We Service in New York
We stock parts and liners from brands that are built to hold up in old New York chimneys. DuraFlex liners for tight flue bends and shared stacks. HeatShield for resurfacing deteriorated clay liners without a full teardown. Olympia Chimney for caps and dampers that survive freeze-thaw cycles without rusting open. When we repair a fireplace in New York, we use the same materials on your chimney that we’d use on our own. No generic parts from a bin, no “whatever was in the van” fixes. And because we schedule work across Manhattan, Maspeth, Jackson Heights, and College Point every week, we can usually get the right part in place without a long wait.
See the difference
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AfterPricing for Fireplace Repair in New York, NY
A gas fireplace maintenance visit in New York typically runs $220 to $380, depending on the unit and whether we’re pulling the burner assembly for a full clean. Damper repair or replacement generally lands between $180 and $450. Firebox repointing and minor masonry starts around $400 and goes up with the size of the repair. A stainless liner installation, which is common here because of shared stacks and unlined coal flues, usually runs $2,400 to $5,500, with the exact number set by the flue length, building height, and roof access. You’ll get the written price before any work starts. No surprises. Call (315) 644-2982 for a free estimate, and we’ll tell you exactly what it costs.
One Call, Real Answers, Written Guarantee
We were called to a five-story brownstone on West 87th Street where the top-floor tenant had a decorative gas fireplace venting into an unlined shared stack. Our tech found the old terra-cotta flue liner spalled and half-blocked with third-degree creosote, and the neighbor’s boiler exhaust was drafting back through the smoke chamber. We installed a DuraFlex liner down the shared flue, rebuilt the firebox throat, and sealed the chimney crown so the CO readings dropped to zero on all floors. That’s what fireplace repair in New York actually looks like. It’s cross-contamination work as much as it’s creosote work, and if you suspect your building has the same problem, call (315) 644-2982. We’ll show you the camera footage before we recommend anything, and every repair comes with the Kingswell Guarantee in writing: if it fails, we fix it again free, inside the guarantee period.
We Also Serve Cities Near New York
Our crews work throughout New York and the surrounding borough neighborhoods, including Manhattan, Maspeth, Jackson Heights, and College Point. Wherever you are in the city, Fireplace Repair in New York starts with a phone call and a real person on the line. We schedule by neighborhood, which means shorter waits and techs who know the local building stock.
Serving New York, NY - Our Local Coverage Area
We’re based in the New York 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 About Fireplace Repair in New York
Yes, in many cases, the building’s managing agent or co-op board will require a Level 2 camera inspection before any fireplace repair work begins. We perform that inspection, document everything on video, and provide the written report your board or insurance company asks for. The inspection itself usually takes 60 to 90 minutes, and you’ll see the footage yourself before we recommend any repair.
Yes, and it’s one of the most common issues we find in New York. Shared chimney stacks mean your neighbor’s gas exhaust can backdraft into your firebox if the common flue is damaged or the cap fails. The fix often involves relining your portion of the stack or sealing the shared crown, and it’s something we coordinate with the building, not just the individual unit. Call (315) 644-2982 if you smell exhaust or your CO detector reads anything above zero.
Water gets into the brick, freezes, expands, and cracks the masonry. That’s spalling, and it’s the reason so many New York fireboxes have crumbling mortar and dampers that won’t open or close. The particles end up in your smoke chamber, blocking the draft and pushing smoke back into the room. We repoint fireboxes with mortar that’s matched to the original hardness, and we replace dampers with cast-iron or stainless units that won’t rust shut from repeated moisture.
Because the fireplace is venting into the original coal flue, which was sized for solid fuel and never relined for gas. The old terra-cotta cracks, the draft reverses, and carbon monoxide bleeds into the apartment. We test every gas fireplace at the firebox opening with a calibrated meter, and if the reading is elevated, the answer is usually a correctly sized liner, not another CO detector.
It can be. On a narrow block, we often can’t get a ladder truck or large scaffold into position, so we work from the roof itself, using safety lines and smaller equipment. Shared parapets and neighboring buildings mean we coordinate access carefully, and the job takes longer than a suburban repair. The price reflects the access difficulty, and you’ll see that written number before we start. Call (315) 644-2982 and we’ll walk you through what your specific building requires.
Written by Nathan Corliss, Owner at Ashby Chimney New York, serving New York since 2002.