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 DUMBO
Fireplace repair in DUMBO usually costs between $185 and $650 for common jobs like pilot light fixes, damper adjustments, and firebox patchwork, while full flue relining in one of the neighborhood’s converted loft buildings typically runs $2,400 to $5,800. Most repairs we handle here are completed in a single visit, though landmark approval can add lead time for anything touching the exterior chimney stack. If you live in a loft along Water Street, Front Street, or Main Street, you’re dealing with brickwork that was originally built for 19th-century manufacturing, and that changes how we approach the work. Call us at (607) 695-6218 and we’ll tell you honestly what needs fixing and what can wait.
Why Kindling Chimney Brooklyn Is DUMBO’s Preferred Fireplace Repair Company
DUMBO is unlike any other neighborhood in Brooklyn, and the chimneys here prove it. The converted factory and warehouse buildings that define the area, from the blocks around York Street down to the waterfront near Brooklyn Bridge Park, were never designed for residential fireplaces. They were built for coal-fired boilers and industrial exhaust. Repurposing those original masonry stacks for open fireplaces, gas inserts, and wood stoves creates a set of repair challenges that a typical suburban chimney company simply doesn’t see. We do, every week.
Danny Cortes leads our team, and he’s spent years working inside DUMBO’s converted lofts, landmarked buildings, and shared-flue residential buildings. That matters when your fireplace shares a chimney stack with three other units and the draft suddenly shifts. Our technicians arrive in uniform, put down shoe covers and drop cloths before anything else, and follow the C.A.R.E. values on every visit: Courtesy, Accountability, Respect, and Excellence. No exceptions. And because families in DUMBO include kids, dogs, cats, and expensive rugs, we use pet-safe products wherever there’s a choice and we photograph the clean-up before we leave.
Our Fireplace Repair team carries professional-grade materials from brands like DuraFlex, HeatShield, and Olympia Chimney, so when we rebuild a firebox or drop a new liner, it’s done to last. Every job is backed by the 365-Day Done Right Promise: if it’s not right, we make it right. No fine print, no runaround.
Styles & brands we work with





Gas Fireplace Maintenance in DUMBO
Gas Fireplace Maintenance in DUMBO typically costs $160 to $320 for a standard service visit covering pilot assembly cleaning, thermocouple testing, burner inspection, glass cleaning, and a full log set check. In converted loft buildings near the East River, we often see dust and salt residue coating the burner ports, which causes uneven flames and delayed ignition. A maintenance visit catches that before it becomes a repair bill.
Pilot Light and Burner Care
The pilot light in a DUMBO loft sits inches from the same draft patterns that once pulled coal smoke up a factory flue. When the wind gusts off the water, it can push the flame around and cause intermittent outages. We clean the pilot orifice, test the thermopile output, and check for carbon monoxide at the fireplace opening as part of every gas service. If your pilot won’t stay lit, the fix is usually under $220 and done on the spot.
Logs, Glass, and Air Quality
Gas fireplaces in converted lofts can accumulate a fine film on the glass and logs within a single season, especially in buildings along Old Fulton Street where the air carries East River moisture. That film is cosmetic, but the underlying burner corrosion it signals is not. We clean the glass with non-ammonia products that are safe around children and pets, inspect the gasket seal, and verify the vents are clear so carbon monoxide leaves the unit, not your living room.
Wood Stove Installation in DUMBO
Wood Stove Installation in DUMBO typically costs $3,200 to $6,500 for a standard install that includes the stove, a correctly sized DuraFlex or Gelco liner, chimney connection, and a Level 2 camera inspection before and after the work. That’s higher than in most Brooklyn neighborhoods, and for good reason: many DUMBO lofts need a full flue relining plus draft correction to make a wood stove safe in a chimney originally built for coal exhaust. The shared-stack issue can add $400 to $1,200 if sealing and draft testing across multiple flues are needed.
Sizing the Liner Correctly
We measure the actual interior dimensions of your flue with a camera before recommending any liner size. In DUMBO’s converted factories, flues were sometimes built at odd dimensions for industrial use, so a one-size-fits-all liner doesn’t work. A mismatched liner causes backdrafting, which pushes smoke and carbon monoxide into your unit or, worse, into a neighbor’s. We install the liner brand and size that matches the stove’s output rating and the flue’s actual draft.
What Installation Day Looks Like
We’ll bring the stove through your freight elevator or stairwell on a dolly with padded rails, lay drop cloths from the entry to the hearth, and protect your floors at every step. The crew keeps tools quiet where possible, especially during naptime if you have young kids. Before we leave, you’ll have a photo of the protected floor areas and a written summary of everything installed, plus the 365-Day Done Right Promise behind it.
Trusted Brands We Service in DUMBO
We stock parts and liners from Copperfield, Gelco, Famco, and Olympia Chimney, which means we can complete most DUMBO fireplace repairs without waiting on a shipment. Damper assemblies, refractory panels, gas valves, chimney caps, and flexible liners for lofts along Jay Street and Pearl Street are typically in our van or at our New York City supply bench. That matters when a failed pilot light or a cracked damper means no heat on a January night. If we need something unusual for a landmarked stack, we’ll tell you the honest lead time before we book the visit.
See the difference
Before
After
Before
After
Before
AfterCommon Fireplace Repair Problems We See in DUMBO Homes
- Spalling brick and crumbling mortar on shared stacks. Salt air off the East River and hard freeze-thaw cycles eat through mortar joints faster than in inland Brooklyn. Water gets in, freezes, and pops the brick face off, which is why we recommend chimney crown sealing every three to five years in DUMBO.
- Backdrafting between units sharing a chimney. Original coal flues were not designed for modern gas fireplaces or wood stoves. When one unit in a converted warehouse runs a high-BTU insert, it can reverse the draft in a neighboring flue. We test each flue with a draft gauge after any repair.
- Hidden liner cracks in shared stacks. When a liner cracks in a shared chimney, smoke and carbon monoxide can migrate sideways through the masonry into an adjacent unit’s flue. It’s invisible from outside, but a camera inspection reveals it in minutes. This is the most common serious repair we do in DUMBO.
- Deferred cap and flashing repairs above parapets. Rooftop access in many DUMBO buildings is blocked by water towers and landmarked parapets, so chimney caps rust and flashing gaps go unnoticed until water stains appear on loft ceilings. We coordinate with building management for access and handle the LPC paperwork where exterior work is required.
On a landmarked loft building along Water Street, our crew replaced a cracked flue liner and repaired a spalled brick chimney crown on a shared stack. We used a DuraFlex liner after a Level 2 inspection revealed decades of coal-era creosote in the smoke chamber. The owner had no idea the smoke chamber was that loaded, and neither did any previous sweep, because none of them had ever put a camera up there.
Pricing for Fireplace Repair in DUMBO, NY
Most standard chimney sweeps in DUMBO run between $160 and $260, gas fireplace repair between $185 and $450, damper replacement between $290 and $650, firebox repointing between $500 and $1,400, and full flue relining between $2,400 and $5,800. Shared-stack draft testing adds $150 to $350, and any repair requiring Landmarks Preservation Commission approval adds administrative time but usually not significant cost. We give you a written price before any work starts, every time. Call (607) 695-6218 for a free estimate, and we’ll tell you what the camera shows and exactly what it costs to fix it.
We Also Serve Cities Near DUMBO
Fireplace Repair in DUMBO keeps most of our week full, but we regularly cross the Brooklyn and Manhattan bridges for jobs in Brooklyn Heights, the Financial District, and Long Island City. If you’re just outside the neighborhood, call us and we’ll be direct about whether we can get to you that week.
Serving DUMBO, NY - Our Local Coverage Area
We’re based in the DUMBO 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 DUMBO
Yes, in most DUMBO buildings that are designated landmarks or within a landmarked district, any exterior chimney work, including crown repair, repointing, cap replacement, or flashing, requires Landmarks Preservation Commission approval. Interior work like liner replacement or firebox repair typically does not, because it doesn’t alter the exterior appearance. We prepare the technical drawings and material specifications for LPC submittal and track the status until the permit is issued, so you don’t have to manage the process yourself. Call (607) 695-6218 and we’ll tell you whether your specific building triggers LPC review.
We begin with a draft test and a camera inspection of every flue in the shared stack, then seal off all unused flue openings and verify that the flue we’re working on drafts independently. In shared stacks, the real danger is a liner crack that lets smoke migrate sideways through the masonry into an adjacent unit, so we never patch a shared flue without first relining or sealing the breached section. The final step is a side-by-side draft test with the neighboring flues dampered closed and open, which confirms nothing backdrafts under real usage conditions. That process is standard for every shared-stack repair we do in DUMBO.
Yes, and in fact most gas conversions we do in DUMBO are in original coal fireplaces that were never designed for wood. The original flue is usually undersized or deteriorated for modern venting, so we drop a correctly sized gas vent liner and install a direct-vent insert where the building allows. Gas conversion in a DUMBO loft typically costs $2,800 to $5,400 including the liner, gas line, and unit, depending on whether the flue is shared and whether we need to run new gas piping from a riser in the common area. Your co-op or condo board may need to approve the gas line work, and we can provide the drawings for that.
The East River waterfront puts a lot of wind-driven rain and salt spray onto rooftop chimneys, and the freeze-thaw cycle forces water into any tiny void in the crown, where it expands and cracks the surface. In DUMBO’s converted factory buildings, many crowns are also old and were poured without expansion joints, so they crack along predictable lines within two to three years of a patch. We repair crowns with a flexible, water-resistant sealant from Olympia Chimney that moves with thermal expansion and blocks water ingress, and we recaulk the flashing at the same time. A properly sealed crown in DUMBO should last five or more years before it needs attention again.
Once a year, even if you only light it a handful of times. In a converted industrial building with a shared chimney, occasional use actually creates a specific risk: a cold flue and a cold stack are more prone to backdrafting when a neighbor’s fireplace is running. An annual inspection catches water intrusion from the crown, liner deterioration, and blockages before they become visible damage. The inspection costs about $160 to $260, and it includes a camera scope of the flue and a written report with photos. If the report shows nothing to repair, you’ve spent a small amount to know that with certainty.
Written by Danny Cortes, Owner at Kindling Chimney Brooklyn, serving DUMBO and surrounding Brooklyn neighborhoods. If your fireplace needs attention, call (607) 695-6218 for a free estimate and a straight answer.