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 Manhattan
Chimney repair in Manhattan typically runs $450 to $3,800 depending on what the camera finds: a simple crown reseal sits at the low end, a full flue reline or partial rebuild at the high end. We get to most Manhattan buildings within 2 to 3 business days, and every job starts the same way: an NFPA 211 Level 2 camera-scan inspection with a documented photo record before anyone quotes a single dollar. Call (516) 240-9191 and you’ll get a written price, a written scope, and a written warranty before the first brick is touched.
Manhattan’s chimney stock isn’t like the rest of the country. We’re working on pre-war brownstones, tenements, and rowhouses built between 1885 and 1945, most with unlined masonry flues that were engineered for coal combustion, not the gas boilers and water heaters now venting through them. Those conditions create specific failure patterns, and you need a repair crew that recognizes them on sight. We do.
Key Takeaways:
- Manhattan chimney repair costs $450 to $3,800, with flue relining and rebuild work at the higher end
- Pre-war masonry flues were sized for coal, not gas: oversizing causes backdraft and CO risks
- Every repair includes a written price, written scope, and photo record before work starts, never after
- We service every Manhattan neighborhood, from Harlem and Washington Heights to the Upper East Side and below Houston
- Co-op boards and FDNY inspection rules make a documented camera-scan inspection a standard requirement here
Why Level Two Chimney Flushing Is Manhattan’s Preferred Chimney Repair Company
Manhattan homeowners don’t want a flashlight look and a vague “you might need a liner.” They want to see what we saw. That’s exactly how we’ve worked since 2009, which is why our Chimney Repair team puts a camera down every flue and hands you the images before quoting. Clause 4 of the Haven Standard requires a documented photo record on every job, running continuously since we made it the default back in 2009. That archive is what co-op boards and FDNY inspectors respond to: evidence, not opinion.
Our crews know Manhattan’s building stock because they work it every week. A four-flue chase in a Harlem tenement isn’t the same job as a single-flue brownstone on the Upper West Side, and a rooftop stack in Washington Heights with wind-driven moisture off the Hudson erodes mortar joints faster than one tucked between taller buildings a dozen blocks south. We see it, we name it, and we give you a written price before work starts, no exceptions. Haven Standard Clause 1: have it in writing.
Corrine Halstead, who leads Level Two Chimney Flushing, insists on one thing above all: if it’s not done right, we make it right. That’s the 365-Day Done Right Promise, and it’s stamped on every job we complete under the Haven Standard, not just in the sales pitch.
Our Chimney Repair Services in Manhattan

Manhattan buildings fail in predictable ways. Below are the repairs we handle most often in this borough, along with what they cost and why they happen. Each one begins with a camera-scan inspection and ends with a written record of what was found and what was fixed.
Mortar Repointing
Repointing runs $35 to $65 per square foot of masonry surface in Manhattan. Your brick chimney is exposed to wind-driven moisture off the East River and Hudson River all winter, then freeze-thaw cycles from December through March turn that absorbed water into expanding ice, which pushes mortar joints apart. On pre-war brownstones, the original lime mortar has often turned to sand over 80 to 140 years of this cycle. Our crew rakes out the failed joints to a proper depth and packs in fresh mortar matched to the brick’s age and color.

Spalling Brick Repair
Spalling, that flaking or popping of brick faces you see on rooftop stacks across the Upper West Side, comes from the same moisture-and-freeze pattern. In Manhattan, a single exposed chimney stack above the roofline can lose brick faces every winter. We replace spalled brick units with matched historic brick where available, and we’ll tell you plainly if the damage is cosmetic or structural. Face spalling can often wait a season; a brick that’s lost its structural depth cannot.

Chimney Waterproofing
Chimney waterproofing runs $600 to $1,400 for a typical Manhattan residential stack. We use Gelco or Olympia Chimney water repellents, both vapor-permeable and rated for masonry that breathes. The key is application after any repointing or crown work is finished; sealing a damaged chimney just traps moisture and accelerates failure. So we do the repair work first, then waterproof, then show you the before and after photos.

Flashing Repair
Flashing repair in Manhattan runs $500 to $1,500 depending on how many sides of the stack meet the roof deck and how much of the old flashing is salvageable. That junction is the single most common leak point on a Manhattan rowhouse roof, and its failure shows up as a ceiling stain or peeling paint inside the top-floor unit. We’ll inspect the flashing during the camera run and recommend replacement only when the existing lead or aluminum stock is cracked through and causing active water intrusion.
Need a specific number for any of these? Bring us a competitor’s written quote and we’ll give you a Free Second Opinion. We don’t ask for business in advance; we show you the work.

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.
Before
AfterTrusted Brands We Service in Manhattan
We stock and install DuraFlex stainless steel liners and HeatShield joint sealants for most Manhattan flue repairs, plus Gelco and Olympia Chimney waterproofing products for crown and masonry work. These materials are sourced through the Haven buying network specifically to keep customer prices honest. When a Manhattan co-op wants a brand name they can verify on the written scope, we put it right on the line item, along with the exact product spec and warranty coverage. No mystery, no “trust us” pricing.
Common Chimney Repair Problems We See in Manhattan Homes

Manhattan chimneys fail in patterns you can set a calendar to if you’ve been on enough rooftops. Here’s what we find, block by block, from Washington Heights down to the East Village.
- Flue liner fractures from freeze-thaw cycles. Unlined pre-war masonry flues absorb moisture, and when December through March temperatures bounce above and below freezing, that water expands inside the flue wall and cracks it. A fractured flue in a multi-family chase allows carbon monoxide to seep into adjacent apartments, which is why a camera-scan inspection is a standard co-op sale requirement here.
- Wind-driven moisture accelerating mortar joint erosion. Being an island surrounded by the Hudson River, East River, and New York Harbor means your rooftop stack gets hit by salt air and persistent wind. Mortar joints erode faster on exposed Manhattan rooflines than they do in, say, inland parts of Queens or New Jersey, and the resulting spalled brick can clog flues and block draft.
- Oversized, unlined flues venting modern gas appliances. Pre-war coal flues are simply too large for today’s low-volume gas boilers and water heaters. The result is incomplete draft, condensation, and backdrafting that pushes combustion gases back into living spaces. This is the single biggest carbon monoxide risk in Manhattan’s housing stock, and it won’t show up on a routine sweep; it requires a camera inspection and, often, relining with a correctly sized stainless steel liner.
- Co-op board inspection letters triggering repair obligations. In Manhattan, chimney work isn’t just maintenance; it’s a real estate gatekeeping step. Most co-op boards require a certified chimney inspection letter before approving a unit sale, and a single blocked flue in a shared chase can stall the entire building’s transaction. We write those letters with the photo record to back them up.
Pricing for Chimney Repair in Manhattan, NY
Here’s the honest range for Manhattan’s market, based on thousands of inspections across this borough since 2009. A standard mortar repointing job inside an accessible crown area runs $450 to $900. Flue liner inspection with camera scan and photo report: $249 to $349, included with every visit. A stainless steel reline that actually addresses an oversized coal-era flue runs $2,200 to $3,800 depending on chase height and number of flues, and a full crown rebuild runs $1,200 to $2,500. Partial chimney rebuilding from the roofline up starts around $2,800 and goes higher on six-story tenement stacks with scaffolding fees.
What moves the number: height and roof access (a sixth-floor chase with no elevator costs more than a two-story rowhouse), how many flues share the chase, and whether the crown and wash have failed to the point where masonry needs actual rebuilding rather than repointing. Every price we quote is written, itemized, and delivered before any work starts. Call (516) 240-9191 for a free camera-scan estimate, and you’ll walk away with the exact number, scope, and warranty terms, not a vague range.
We Also Serve Cities Near Manhattan

Level Two Chimney Flushing covers Chimney Repair in Manhattan and the surrounding borough neighborhoods. Our crews regularly work in New York, Long Island City, Astoria, and Elmhurst, with the same written price and photo record standard on every single job. Dispatch for Manhattan and nearby areas is coordinated from the brand’s New York City office.
Serving Manhattan, NY - Our Local Coverage Area
We’re based in the Manhattan 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 Manhattan

Every 24 to 36 months, minimum. Manhattan’s freeze-thaw cycle from December through March hits exposed rooftop masonry harder than almost any other East Coast housing market, and wind-driven moisture off the rivers means brick faces can start spalling within two winters of an otherwise sound stack. If your brownstone hasn’t had a documented masonry inspection in the last three years, we’d recommend one. Call (516) 240-9191 and we’ll put a camera on it and show you the photos.
Yes, but only if each flue is properly sized, lined, or otherwise addressed for modern gas appliances, and only if each flue is independently inspected and tested. The original coal-era chase may contain four to six flues, and most were never designed for low-volume gas exhaust, which means backdraft and CO migration between apartments is a real risk. We inspect and smoke-test each flue separately. In one Harlem building on West 120th Street, we found third-degree creosote glazing in a flue that brushing couldn’t remove, so we installed a DuraFlex stainless steel liner and replaced the cracked crown with Gelco waterproofing to stop the freeze-thaw spalling that had opened the mortar joints.
First-degree creosote is a light, dusty soot that brushes off easily. Third-degree creosote is a hard, glossy, tar-like glaze that forms when combustion temperatures fluctuate and the flue can’t stay hot, common in wood-burning fireplaces in Manhattan brownstones that are used occasionally, not as primary heat. Third-degree creosote cannot be removed by brushing. It requires chemical treatment or mechanical removal, and in many cases, relining. It’s also highly combustible, which is why a camera inspection matters.
Yes, routinely. Manhattan co-op boards require a certified chimney inspection letter before approving a unit sale, and if the inspection turns up a blocked flue, spalled brick, or a fractured liner in a shared chase, the repair is typically ordered before closing. One blocked flue can stall the entire building’s transaction. Our documented photo record and written report are specifically designed to satisfy board and FDNY review.
Because water gets into hairline mortar cracks in the fall, freezes and expands all winter, and by March, the crown is spalled and cracked wide open. Manhattan’s island location and wind-driven moisture make the freeze-thaw cycle aggressive, and a crown that’s even slightly under-sloped or missing a drip edge will hold water and fail repeatedly until it’s properly rebuilt. The fix is a full crown replacement with a proper overhang, then waterproofing with a vapor-permeable repellent like Gelco or Olympia Chimney. We’ve done hundreds of these across the borough. Call (516) 240-9191 and we’ll give you a written price for the repair.
Written by Corrine Halstead, Owner at Level Two Chimney Flushing, serving Manhattan under the Haven Standard since 2009.





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