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 Flushing
Chimney repair in Flushing typically runs $450-$2,800 depending on what the camera finds: mortar repointing starts around $450-$900 per side, flashing replacement runs $350-$750, and a full chimney rebuild on a 1920s rowhouse can reach $4,500. Most repairs in Flushing are completed within 3-5 business days, not weeks. If you live in a prewar attached brick rowhouse off Northern Boulevard, Kissena Boulevard, or anywhere between Flushing Bay and Kissena Park, you already know the problem: shared stacks, aging clay tile liners, and decades of fuel conversions that left abandoned flues behind. Call (516) 240-9191 and we’ll send a named technician with a Level 2 camera rig. You’ll get a written price before any work starts, and you’ll see the evidence yourself before you approve a dollar.
Why Level Two Chimney Flushing Is Flushing’s Preferred Chimney Repair Company
Since 2009, our crews have documented more than 38,000 chimney inspections and cleanings, and a disproportionate share of the complicated ones come from Flushing’s rowhouse blocks. The reason is structural: attached homes built between 1920 and 1950 share chimney stacks, which means a defect in unit one’s flue becomes unit two’s carbon monoxide problem. We know this housing stock because we’ve camera-scanned hundreds of these stacks, from the two-families off Roosevelt Avenue to the three-family conversions near Main Street. We’re not guessing when we tell you about your abandoned oil flue. We have the video.
Every Chimney Repair visit in Flushing follows the Haven Standard, which we’ve operated under since our founding. Clause 4 requires a documented photo record on every job, and that’s been true since 2009, before insurers or regulators asked for it. Clause 1 requires a written price, written scope, and written warranty before anyone starts. Corrine Halstead, who leads Level Two Chimney Flushing, insists on this: no tech enters a Flushing home without a written price, and no recommendation gets made without camera proof the homeowner can see.
Flushing homeowners also get a live person on the phone 24/7, not a voicemail. When the technician is on the way, you get a text with their name. They’re background-checked and uniformed, and their license information is on every page we publish.
Our Chimney Repair Services in Flushing

Mortar Repointing
Mortar joints on Flushing chimney stacks erode faster than in interior Queens neighborhoods. Salt air drifting off Flushing Bay, combined with the humidity that hangs around Flushing Creek, works into the joints and accelerates decay, especially on north- and east-facing exposures that stay damp longest after winter storms. Repointing in Flushing typically runs $450-$900 per side depending on access and how much old mortar needs to be raked out. We match the original mortar color and composition so the repair blends into the existing brickwork, not the other way around.

Spalling Brick Repair
Spalling, which is when the brick face pops off in sheets due to trapped moisture freezing and expanding, is one of the most common repair calls we get in Flushing. The shared-stack rowhouses take decades of water intrusion from uncapped abandoned flues and failed flashing, and the bricks eventually separate from the chimney mass. Repairs usually run $800-$1,800 for a typical Flushing stack depending on how many bricks need replacement. If spalling goes unattended, the stack’s structural integrity degrades to the point where a partial or full rebuild becomes the only option.

Chimney Waterproofing
Flushing’s proximity to the bay means ambient humidity is slightly higher than in Elmhurst or Jackson Heights, and waterproofing becomes a necessary step after brick repair, not an upsell. We apply a breathable siloxane-based water repellent that prevents water from entering the masonry while allowing moisture vapor to escape from inside the chimney. For a typical Flushing rowhouse stack, waterproofing runs $350-$650 after repairs are complete. Done correctly, it extends the life of new mortar and brick by years.

Flashing Repair
Flashing is the sheet metal seal where the chimney meets the roof, and it’s a weak point on almost every prewar Flushing rowhouse we inspect. Original flashing is often copper or galvanized steel that has corroded, lifted, or been damaged by previous roof replacements. Failed flashing is the primary cause of water staining on ceilings and walls adjacent to the chimney, and in Flushing’s attached homes, that water travels through shared wall cavities into the neighboring unit. Flashing repair typically runs $350-$750 in Flushing, depending on roof accessibility and whether we need to cut back shingles to seat the new metal properly. We use Copperfield flashing and counter-flashing for replacement work.

What happens when you call
- 1
A real person answersNo phone trees - you reach a local pro.
- 2
You get an upfront price rangeHonest numbers before anyone is dispatched.
- 3
A background-checked tech heads outLicensed & insured, dispatched right away.
- 4
You approve before work beginsNothing starts until you say go.
Before
AfterTrusted Brands We Service in Flushing
We stock materials from manufacturers that have proven themselves across thousands of New York chimney systems, and we keep common Flushing repair parts on hand to shorten turnaround. When a rowhouse stack needs a new liner, we use DuraFlex for the active flue runs; the material handles the high-efficiency gas boiler exhaust temperatures that destroy older clay tile. For cap installations over abandoned flues, we carry Olympia Chimney and Copperfield products because the sizing fits the narrow 8-inch by 8-inch clay tile openings we find in Flushing’s shared stacks. When we need to replace a masonry crown on a 1920s stack, we use Famco forms. It means fewer second trips and a faster repair window for Flushing homeowners.
Common Chimney Repair Problems We See in Flushing Homes

- Abandoned oil flues left open or sheet-metal capped. In Flushing’s 1920s-1940s attached brick rowhouses, a single 16-inch chimney chase often contains two to four separate clay tile flues. When a homeowner converted from oil to gas in the 1990s, the old oil flue was frequently capped with a piece of sheet metal or left entirely open at the top. The active gas flue’s draw then pulls flue gases back through the abandoned flue and into an adjacent unit. This is a defect we find repeatedly in Flushing’s attached-home blocks and almost never in detached single-family service calls elsewhere.
- Clay tile liners cracked by decades of fuel conversion. Clay tile flue liners expand and contract with heat cycles. In Flushing, many stacks have seen three fuel changes: coal to oil to gas. Each change altered the heat profile inside the flue, and the old clay tile cracked under the stress. Those cracks allow heat and carbon monoxide to escape into the wall cavity between units. A Level 2 camera inspection is the only way to see the damage before it becomes a fire or CO event.
- Mortar joint erosion from bay humidity and salt air. The tidal Flushing Creek and Flushing Bay create a microclimate with slightly higher ambient humidity and mild salt exposure, particularly on north- and east-facing chimney exposures. Mortar joints are the first thing to go, followed by brick spalling. Homeowners in interior Queens neighborhoods like Fresh Meadows don’t see the same rate of degradation.
- Backdraft and smoke odor migrating between subdivided units. When adjacent units in a Flushing rowhouse smell smoke while only one boiler is running, the culprit is almost always an abandoned flue acting as a makeup-air channel. The active flue pulls combustion air down the abandoned flue instead of from the room, which reverses the draft and sends flue gases into living spaces. Sealing the abandoned flue with a proper cap, not sheet metal, corrects the pressure imbalance.
Pricing for Chimney Repair in Flushing, NY
Here’s what Flushing homeowners should expect to pay. Mortar repointing runs $450-$900 per side. Spalling brick replacement runs $800-$1,800 depending on brick count. Flashing repair runs $350-$750. Chimney waterproofing runs $350-$650. Tuckpointing on a full Flushing stack runs $1,200-$2,400. A partial chimney rebuild runs $2,500-$4,500, and a full rebuild on a two-story rowhouse can reach $6,000 or more when four flues need relining. We never quote over the phone without a Level 2 camera inspection because the Flushing shared-stack condition can’t be diagnosed any other honest way. You’ll get a written price, a written scope of work, and a written warranty before anyone starts. Call (516) 240-9191 for a free estimate. A Free Second Opinion on any written estimate is always available.
We Also Serve Cities Near Flushing

Our crews cover the full Flushing area, including Bayside, Jackson Heights, Fresh Meadows, and Elmhurst. If you’re in a prewar attached rowhouse in any of these neighborhoods, the chimney conditions are similar to what we see in Flushing, and we can schedule a camera inspection the same way. Call (516) 240-9191 and we’ll route the nearest available technician to you.
Serving Flushing, NY - Our Local Coverage Area
We’re based in the Flushing 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 Flushing

Flushing rowhouses need a camera inspection before any repair quote because most share a single chimney stack with multiple flues, and the condition of those flues cannot be seen from the rooftop or the fireplace opening. A visual inspection might show one cracked clay tile at the crown, but the camera reveals abandoned oil flues, internal spalling, third-degree creosote glaze, and cross-flue cracks that change the entire scope of work. Without the camera, any quote is a guess. We include the NFPA 211 Level 2 camera inspection and a documented photo record on every visit under Haven Standard Clause 4. Call (516) 240-9191 to schedule yours.
Salt air from Flushing Bay accelerates mortar joint erosion and brick spalling, especially on north- and east-facing chimney exposures that stay damp longest after winter storms. The combination of mild salt, higher ambient humidity, and freeze-thaw cycles breaks down the mortar’s lime binder faster than in inland Queens neighborhoods. The result is water intrusion, flaking brick faces, and eventually structural instability if the joints aren’t repointed and the brick waterproofed. We use breathable waterproofing compounds that block liquid water while letting moisture vapor escape, which is the right approach for Flushing’s specific microclimate.
No, a brush cannot remove third-degree creosote. Third-degree creosote is a hardened, glossy glaze that forms when flue temperatures run too low for the wood smoke to condense properly, and it bonds to the flue wall like tar. Brushing alone won’t take it off; it requires mechanical removal with a rotary chain whip and, in severe cases, chemical treatment. If a sweep quotes you a standard cleaning price without camera evidence showing what class of creosote is in your Flushing chimney, you’re getting a brush job on a problem that needs more. We’ll show you the camera footage and explain exactly what class you have before any cleaning price is finalized. Call (516) 240-9191 for a Level 2 inspection.
Adjacent units in a Flushing rowhouse smell smoke when one boiler is running because the active flue’s draw is pulling air down an abandoned flue in the same shared stack, which reverses the draft and sends flue gases into the neighboring unit. This is the signature defect of Flushing’s subdivided rowhouses, where a 1990s oil-to-gas conversion left the old oil flue uncapped or capped with sheet metal. The fix is to seal the abandoned flue with a proper chimney cap and, if necessary, install a new liner in the active flue. On a two-family rowhouse off Roosevelt Avenue, we sealed the abandoned flue, repaired the eroded mortar joints, and installed a DuraFlex liner after our camera inspection showed third-degree creosote glaze that a brush couldn’t touch. Call (516) 240-9191 if you smell smoke in your Flushing home.
Even if you rarely use your fireplace, your Flushing chimney should be inspected at least once a year because the flues are shared and the stack is multi-functional. Most Flushing rowhouses have gas boilers venting through the same stack as the fireplace flue, plus abandoned flues from old oil systems. A dormant flue can collect debris, house animals, or develop cracks that allow CO from the active boiler flue to enter your living space or your neighbor’s. Annual inspection is the NFPA standard, and for Flushing’s shared-stack rowhouses, it’s the minimum defensible schedule. We include the Level 2 camera scan on every visit, not just the cleanings. Call (516) 240-9191 to book yours.
Chimney Repair in Flushing, Done Right
Flushing’s chimney problems are specific to its housing stock. Shared stacks, abandoned flues, salt-air mortar erosion, and decades of fuel conversions create a set of conditions that a generic sweep company in a detached-home suburb rarely sees. We see them every week. The 1920s-1940s attached brick rowhouses between Flushing Bay and Kissena Park, the two- and three-family conversions off Main Street and Roosevelt Avenue, the mismatched clay tile flues inside 16-inch masonry chases: this is the work we do, and we’ve been doing it since 2009.
We don’t recommend work you don’t need, and we never recommend anything without camera evidence you can see. If the liner is fine, you’ll see the video and we’ll tell you it’s fine. If the mortar is gone and the flashing is lifted, you’ll see that too, and you’ll get a written price before anyone lifts a trowel. That’s been the rule since our founding, and it’s the reason Corrine Halstead’s crews carry a Level 2 camera rig to every single Flushing job.
Call (516) 240-9191 for a free estimate. A live person answers, not a voicemail. You’ll get a named technician, a text when they’re on the way, and a written price, written scope, and written warranty before any work begins. That’s the Haven Standard, and it applies to every chimney repair we do in Flushing.
Written by Corrine Halstead, Owner at Level Two Chimney Flushing, serving Flushing, NY since 2009.





Before
After
Before
After