Sweep & inspection
Caps & crowns
Masonry repairLevel 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 Mount Vernon
Chimney sweeping in Mount Vernon typically runs $189 – $289 for a standard annual cleaning with a Level 1 inspection, and most jobs are completed in under two hours. If you’re off South Columbus Avenue, near Fleetwood, or down by the Bronx River, we know your chimney faces salt air, tight flues, and aging brick. Hadley Chimney Yonkers crews know the difference between a 1920s bungalow flue and a mid-century colonial firebox before we even ring the bell. Call (914) 233-3156 and a live person will pick up, 24/7.
Why Hadley Chimney Yonkers Is Mount Vernon’s Preferred Chimney Sweep Company
We’re not a franchise with a rotating cast of subcontractors. Every Hadley tech is background-checked, uniformed, and shows up in a tracked arrival window you can follow from your phone. Founded in 2003, we’ve spent two decades learning what coastal Westchester masonry does to chimney systems, and we carry that experience into every Mount Vernon job.
Our Chimney Sweep team works across Mount Vernon’s housing mix: pre-1940 single-family homes with original clay tile liners, walk-up multi-families with shared flues off Gramatan Avenue, and south-side bungalows with narrow fireboxes that behave differently than anything built after World War II. That local granularity matters when a quick cleaning turns into a liner recommendation.
Every repair we do comes with a written 365-Day Done Right Promise. If a repair fails within that year, we come back and fix it free. Not as a favor. It’s in writing.
Styles & brands we work with



Chimney Services in Mount Vernon
Chimney Services in Mount Vernon means more than running a brush up a flue. Our standard sweep includes a visual inspection of the firebox, damper, smoke chamber, flue liner, crown, cap, and flashing, plus full photo documentation before and after. You see what we see, and we explain every finding in plain language. A basic sweep with Level 1 inspection in Mount Vernon runs $189 – $289. Level 2 inspections, which involve camera scoping the flue interior from top to bottom, run $299 – $449 and are the right call after any storm event, suspected animal entry, or before buying a home here.
Creosote and Soot Removal
Creosote is the flammable tar byproduct of incomplete wood combustion. It accumulates on flue walls and, in narrow south-side bungalow flues, can reach dangerous thickness in a single season. We remove first- and second-degree creosote with rotary brushes and hand tools. Third-degree glaze, which is hardened and shiny, requires chemical treatment followed by aggressive mechanical removal. Soot removal is included in every standard sweep, but heavy buildup in pre-1940 chimneys with original clay liners may add $75 – $150 to the job.

Annual Sweep and Fireplace Cleaning
If you burn fires regularly from November through March, one annual sweep is the minimum. Mount Vernon’s coastal freeze-thaw cycle means water gets into tiny brick cracks, freezes, expands, and widens those cracks every winter. An annual sweep catches spalling brick crowns before water reaches the damper assembly. Fireplace cleaning includes the firebox, grate, glass doors if you have them, and the smoke chamber. For most Mount Vernon homes, expect to pay $189 – $260.

What happens when you call
- 1
A real person answersNo phone trees - you reach a local pro.
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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.
Chimney Sweep Certified in Mount Vernon
Chimney Sweep Certified work in Mount Vernon means our technicians are trained to the standards set by the Chimney Safety Institute of America and carry the tools to handle everything from standard brush work to full liner replacement. When you book with us, you get a written price before anyone picks up a brush. That’s non-negotiable, and it’s part of The Relay Visibility Guarantee: live arrival tracking, before-and-after photos, and digital invoicing on every single job.
Level 1 and Level 2 Inspections
A Level 1 inspection is the standard visual check included with every sweep. We look at the interior and exterior of the chimney, the flue, and the basic appliance installation. In Mount Vernon, where salt air accelerates cap and flashing corrosion, we pay extra attention to the metal components at the crown. A Level 2 inspection in Mount Vernon is $299 – $449 and adds a video camera scan of the entire flue. That’s how we confirm whether the original clay tile liner in a 1930s Fleetwood colonial is still intact or whether salt-driven moisture has done its work. After any chimney fire, storm damage, or before you list a house near Wilson Woods, a Level 2 is the right call.
Liner Repair and Replacement
Original clay tile liners in Mount Vernon’s pre-1940 homes crack from decades of freeze-thaw, and when they crack, heat and carbon monoxide have a path into the house framing. We install HeatShield ceramic repair compound for moderate damage, and DuraFlex stainless steel liner systems for full replacement. A new liner on a typical Mount Vernon two-story home runs $2,800 – $5,500 depending on flue length and access. The written price covers everything, no surprise add-ons after we’re on the roof.
Trusted Brands We Service in Mount Vernon
We stock and install parts from brands chimney professionals actually rely on, and we keep the common Mount Vernon failure parts on the truck: HeatShield ceramic compound for cracked liners, Gelco caps and chase covers, Olympia Chimney dampers, and Famco flashings. We don’t show up with whatever was cheapest at the supply house. Because Mount Vernon’s coastal air eats galvanized components fast, we default to stainless steel for caps, crowns, and flashing repairs. When your 1920s bungalow needs a new liner, we install DuraFlex stainless, not a knockoff that fails in three seasons.
See the difference
Before
After
Before
After
Before
AfterCommon Chimney Sweep Problems We See in Mount Vernon Homes
- Rusted galvanized caps and flashing on south-side homes. Salt air from the Long Island Sound travels up the Hutchinson and Bronx River corridors and settles on metal chimney components. Galvanized caps fail in as little as three to five years here, where the same part might last twelve years inland.
- Third-degree creosote in narrow 1920s bungalow flues. Restricted draft means less complete combustion, which produces more creosote per fire and bakes it into a hard glaze. A standard brush cannot remove it, and forcing the issue can damage the flue wall.
- Spalled brick crowns on pre-1940 masonry chimneys. Freeze-thaw cycles along the Mount Vernon coastline widen tiny cracks into open fractures. Water then travels down into the smoke chamber and damper assembly, causing rust and rot behind the firebox.
- Shared flues in multi-family walk-ups. Buildings off Gramatan Avenue and South Fulton often have one flue serving multiple units. When one tenant burns pine or wet wood, all units in the stack get creosote accumulation. Coordinated annual sweeps are the only effective answer.
On South 10th Avenue, our crew swept a 1926 bungalow where the original clay tile flue liner had cracked from decades of coastal freeze-thaw. We removed first-degree creosote buildup, then installed a DuraFlex stainless steel liner and replaced the rusted galvanized chimney cap with a stainless unit that will hold up to salt air. The homeowner now books an annual Level 1 inspection each fall before the heating season, and that’s the schedule we recommend for any Mount Vernon home within two miles of the Hutchinson River Parkway’s southeast corridor.
Pricing for Chimney Sweep in Mount Vernon, NY
Here’s what you should expect to pay in Mount Vernon. A standard sweep with Level 1 inspection runs $189 – $289. A Level 2 camera inspection is $299 – $449. Third-degree creosote removal runs $450 – $750 depending on flue length. A new stainless cap runs $275 – $550 installed. Full stainless liner replacement runs $2,800 – $5,500. What moves the price: flue height, roof pitch, access difficulty on tight south-side lots, and whether we’re dealing with a shared flue in a multi-family. Every job starts with a free written estimate, and that number does not change once the tech is on site. Call (914) 233-3156 for an exact quote for your Mount Vernon chimney.
Key Takeaways:
- Standard chimney sweep in Mount Vernon: $189 – $289, usually under two hours.
- Salt air means galvanized caps and flashing fail fast here. Stainless is the fix.
- Narrow 1920s bungalow flues build third-degree creosote faster. Brushes alone won’t remove it.
- Every job includes a written price before work starts and photo documentation after.
- Our 365-Day Done Right Promise backs every repair in writing.
We Also Serve Cities Near Mount Vernon
Hadley Chimney Yonkers covers all of Mount Vernon plus the surrounding cities: Pelham, New Rochelle, Yonkers, and Tuckahoe. If you’re just over the border in any of these communities, the same crews, the same written pricing, and the same Mount Vernon service standard apply. Dispatch is coordinated from our New York City office, but the crews you’ll see on your roof are local to the area and know these neighborhoods.
Serving Mount Vernon, NY - Our Local Coverage Area
We’re based in the Mount Vernon 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 Mount Vernon
Once a year, and the best window is actually late summer or early fall, before the heating season starts. Mount Vernon’s coastal freeze-thaw pattern means water works its way into cracks all winter, and you want us inspecting that damage before your first fire, not after. If you burn more than three fires per week, or if you have a narrow south-side bungalow flue, a mid-season check in January is worth the $189 – $289. Call (914) 233-3156 to book your fall slot before the rush.
The 1920s bungalows on Mount Vernon’s south side have unusually narrow flues that draft slowly until they’re warm. Locals who know these houses often run a quick, hot fire a day or two before we arrive, which softens creosote so our rotary brush can pull it off without staining the firebox. It’s not required, but it makes the first cleaning of the season faster and cleaner, especially if you haven’t swept in two or more years. We’ll tell you exactly what to do when you book.
Yes, and it’s one of the most common calls we get in Mount Vernon. Salt air accelerates galvanized fasteners and caps dramatically. A cap that lasts ten years in northern Westchester often fails in three to five here. We replace galvanized caps with stainless units as standard, and we check the flashing and crown at the same visit. A stainless cap replacement runs $275 – $550 installed, and it comes with our 365-Day Done Right Promise in writing.
No. Third-degree creosote is hardened, shiny glaze that forms when flue temperatures are high but combustion is incomplete, which happens commonly in Mount Vernon’s narrow bungalow flues and shared multi-family stacks. A brush alone cannot remove it, and forcing one through can crack the flue liner. We use a chemical treatment to soften the glaze, then remove it with rotary tools. Expect to pay $450 – $750 for third-degree removal in Mount Vernon, depending on flue length.
Yes, but for a different reason. Even if you never light a fire, Mount Vernon’s freeze-thaw cycles are working on the exterior masonry and the aging clay tile liner. Water intrusion, spalling brick, and cap corrosion happen whether the fireplace is used or not. A Level 2 inspection, which includes a camera scan of the original liner, is worth the $299 – $449 to know whether your 90-year-old flue is still safely intact or whether moisture has cracked it to the point where backdraft carbon monoxide is a risk. Call (914) 233-3156 and we’ll walk you through what makes sense for your chimney, with no pressure to repair what can safely wait.
Written by Cory Mitchell, Owner at Hadley Chimney Yonkers, serving Mount Vernon with transparent chimney care since 2003.