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 Sweep Across Brooklyn
A chimney sweep in Brooklyn typically runs $189 – $349 for a standard single-flue cleaning, and multi-flue brownstone stacks cost more because you’re cleaning three to five flues in one visit. Most Brooklyn homes we service are attached brick rowhouses and brownstones built between 1880 and 1920, where chimney stacks sit inside shared party walls. That changes the job. You’re not just cleaning one flue; you’re identifying, labeling, and servicing every flue in the stack before a defect in one cavity migrates through crumbling masonry into your neighbor’s flue. Call (336) 863-3889 for a free estimate, and we’ll tell you exactly what your stack needs before any work begins.
Why Alcott Chimney Sweep Is Brooklyn’s Preferred Chimney Sweep Company
Ruben Castellano founded Alcott Chimney Sweep in 2002, and from the start the company has operated on a simple rule: show the customer the work before asking them to pay for it. In Brooklyn, that means pulling a camera down a 100-year-old flue and showing you the creosote, the spalled mortar, the corroded cap. We don’t ask you to take our word for anything. We show you the photo.
Every technician who arrives at a Brooklyn door is background-checked and identity-verified under what we call the Threshold Standard. This isn’t an optional add-on. Before the visit, you get the technician’s name and photo. When they ring the bell, they show a photo ID badge. No exceptions. For homeowners who are home alone, parents with young kids, or older Brooklyn residents who want to know exactly who’s coming, that’s the difference between dreading the appointment and being ready for it.
Working in Brooklyn means knowing rowhouse construction. Our Chimney Sweep team has opened hundreds of multi-flue stacks in Bed-Stuy, Crown Heights, Flatbush, and Park Slope. We know what a converted brownstone’s flue layout looks like, where the informal tie-ins hide, and what salt air does to a galvanized cap over ten winters. That local knowledge means fewer surprises and a faster, more accurate diagnosis.
Every job comes with a written price before work starts, a written guarantee on every repair, and a free return visit if a repair fails within the coverage period. Those aren’t upgrades. They’re the way we’ve worked since 2002.
Gas Fireplace Cleaning in Brooklyn
Gas Fireplace Cleaning in Brooklyn isn’t just dusting a glass front. On a converted brownstone in Bed-Stuy or Crown Heights, the gas fireplace often vents into a flue that was originally built for coal, then informally repurposed, sometimes shared with a boiler exhaust. That means cleaning the fireplace means checking the entire vent path, not just the firebox. A gas fireplace cleaning in Brooklyn typically runs $149 – $249 when it’s a straightforward vented unit, and more when the flue needs a camera inspection or the chimney cap has failed in the coastal air.
What the job involves
We remove soot and debris from the firebox and burner, inspect the ceramic logs for carbon buildup, verify the pilot assembly is clean, and then run a camera up the vent to confirm the flue is clear and properly lined. If the fireplace is vent-free, the work is simpler, but we still check the room for adequate combustion air. Brooklyn rowhouses with sealed-up windows often have poor air turnover, and that affects how a vent-free gas unit performs.
When Brooklyn homeowners need it
Before the first fall fire, and any time you notice black soot on the glass, a lazy yellow flame, or an odor that smells like the burner isn’t burning clean. Those are signs the burner ports are clogged or the vent isn’t drawing properly. In a shared party wall, a blocked vent doesn’t just make the flame look bad; it sends carbon monoxide back into the room instead of up the flue.
Chimney Maintenance in Brooklyn
Chimney Maintenance in Brooklyn is closer to a survival requirement than a seasonal chore. Salt-laden marine air from New York Harbor and the Atlantic settles on every chimney crown, cap, and mortar joint in the borough. Galvanized caps corrode through in as little as six or eight years. Crowns spall. Mortar erodes. Freeze-thaw cycles then work into every crack and widen it. A standard maintenance visit in Brooklyn runs $189 – $329, and what you’re really buying is the inspection interval that coastal exposure justifies.
What we check
We inspect the crown for spalling and cracking, check the cap and flashing for corrosion, test mortar joints with a light hammer tap, and run a camera up each flue in the stack. On a three-flue brownstone stack, that means three separate camera runs, not one. We label each flue as we go, because when you call us back in three years, you’ll want to know which flue had the minor stage-one creosote and which one had the cracked tile.
When to schedule it
Early spring or late summer, before the heating season starts. Coastal Brooklyn chimneys take a beating every winter, and waiting until the first cold night means discovering the problem when you need the fireplace or the boiler the most. If you haven’t had the stack inspected in three years and you live within a mile of the water, schedule it now. The salt air doesn’t take a season off.
Trusted Brands We Service in Brooklyn
We work with the trade brands chimney professionals specify: DuraFlex stainless liner systems, HeatShield resurfacing products, and Olympia Chimney caps and flashings. When a Brooklyn rowhouse flue needs a liner, we install DuraFlex, not a box-store substitute. When a crown needs resurfacing instead of a full rebuild, we use HeatShield’s cerfractory system. And when a galvanized cap has corroded through after eight years of salt air, we replace it with an Olympia stainless unit that will outlast the roof. We keep common parts stocked for Brooklyn’s rowhouse anatomy, so a cap replacement or flashing repair doesn’t mean waiting a week for a shipment.
Common Chimney Sweep Problems We See in Brooklyn Homes
- Corroded galvanized caps and flashing. Salt air from New York Harbor eats through galvanized steel in under a decade. We see caps with holes large enough to let rain pour straight onto the flue liner, which accelerates every other problem below. The fix is stainless, not another galvanized cap.
- Spalled and cracked crowns. Brooklyn’s freeze-thaw cycle crosses 32°F dozens of times each winter. Water seeps into hairline cracks, freezes, expands, and pops the crown’s surface. A crown that looked sound in October can be crumbling by March. HeatShield resurfacing or a proper crown rebuild stops the cycle before it reaches the party wall.
- Informal flue sharing in converted brownstones. In Bed-Stuy, Crown Heights, and Flatbush, we routinely find wood-burning fireplace flues and gas boiler exhaust vents tied into the same unlined tile. These postwar rentals were converted without permits, and the arrangement violates NYC DOB code. It’s dangerous, and it requires separating the flues, not just sweeping them.
- Accelerated mortar deterioration on party-wall stacks. Because Brooklyn chimney stacks are embedded in shared walls, water intrusion doesn’t just affect one home. A defect in one flue cavity can migrate through shared masonry and compromise the neighbor’s flue. Sweeping one address often means finding problems that affect the building next door.
Pricing for Chimney Sweep in Brooklyn, NY
A standard single-flue chimney sweep in Brooklyn runs $189 – $249. A multi-flue brownstone stack with three to five flues runs $289 – $349 for the cleaning, plus any repair work we identify. Level 1 inspections run $149 – $199. Level 2 inspections, which include full camera work and are required for real estate transactions or after a chimney fire, run $299 – $449. Stainless cap replacement runs $349 – $649 installed, and crown resurfacing with HeatShield starts around $600. We give you a written price before any work begins, and the estimate is free. Call (336) 863-3889 and we’ll give you a straight number, not a range that balloons later.
We Also Serve Cities Near Brooklyn
Our Chimney Sweep in Brooklyn service also covers nearby boroughs and surrounding towns. If you’re in Manhattan, Staten Island, the Bronx, or Mount Vernon, we can schedule your sweep with the same name-and-photo preview, the same written pricing, and the same 365-Day Done Right Promise. Brooklyn is our home market, but the whole metro area is our territory.
Serving Brooklyn, NY - Our Local Coverage Area
We’re based in the Brooklyn 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 Chimney Sweep in Brooklyn
Every year for the flue cleaning, and a full Level 2 camera inspection every three years if you’re within a mile of the water. Coastal exposure corrodes caps and flashing faster than inland areas, and the only way to catch a failing crown before it damages the party wall is to look at it. Call (336) 863-3889 and we’ll put you on a schedule that matches your building’s exposure.
No, not automatically. A standard sweep covers one flue. Brooklyn rowhouse stacks often have three to five flues serving different fireplaces, a boiler, and a furnace across multiple floors or units. You need a multi-flue cleaning, which we price per flue, and which includes labeling each flue as we go. That labeling matters when you call us back next year and we can tell you exactly which flue had the stage-two creosote. Call for a per-flue quote.
It means your building has an unsafe, NYC-DOB-violating arrangement that most likely dates to a postwar conversion done without permits. The wood-burning fireplace flue and the gas boiler exhaust were tied into the same unlined tile, which can send carbon monoxide back into the living space. This needs to be separated into individual flues, not just swept. We see this routinely in Bed-Stuy, Crown Heights, and Flatbush, and we can camera-inspect it and give you a written repair plan.
Yes, if the galvanized cap is more than six or eight years old and you’re within a mile of salt water. Brooklyn’s marine air corrodes galvanized steel on a predictable timeline. Stainless costs more upfront, around $349 – $649 installed, but it will outlast the roof. A galvanized cap that has already rusted through is letting water into the flue, and that water is now attacking the crown, the mortar, and the liner. Call (336) 863-3889 for an exact quote on the size your stack needs.
Yes, we install and service all three. DuraFlex stainless liners for flues that need relining, HeatShield cerfractory resurfacing for crowns and flues that can be repaired instead of replaced, and Olympia Chimney stainless caps and flashings for coastal exposure. These are the brands chimney professionals specify, not box-store substitutes, and we stock common sizes for Brooklyn rowhouse anatomy so repairs don’t wait on a shipment. Call for availability on your specific stack configuration.
If your chimney hasn’t been looked at in years, or you’re buying a Brooklyn brownstone and the inspection flagged the flue, call us. Ruben Castellano and the Alcott team will give you the name and photo of the technician before we come, a written price before we start, and a camera-verified answer before we recommend anything. You’ll never be told you need a liner you can’t see. Call (336) 863-3889 for a free estimate.
Written by Ruben Castellano, Owner at Alcott Chimney Sweep, serving Brooklyn since 2002.





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