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 East Williston
Chimney repair in East Williston usually means one of three things: mortar joints that have given out after sixty winters, clay tile liners cracking from gas condensation, or flashing that’s let water into the attic. Most jobs run between $400 and $2,800 depending on how far the damage goes, and we’ll put that number in writing before a single tool comes off the truck. Wendell and his crew have worked the colonial and Tudor homes of East Williston long enough to know what’s behind the brick before we even set the ladder. Call (516) 963-1068 and you’ll get a live person, not a call center.
Why Top Hat Chimney Is East Williston’s Preferred Chimney Repair Company
We’re not a franchise that rotated a truck into Nassau County last spring. Wendell Pike founded Top Hat Chimney in 1999, and he still answers the phone at odd hours. East Williston homeowners tend to ask the same thing: can you actually fix this, or are you going to tell me the whole chimney needs rebuilding? Fair question. Our answer is the same every time: we don’t recommend anything you can’t see for yourself on camera footage. We’ll scope your flue, show you the spalled tile or the eroded mortar joint, and explain in plain English what needs doing now and what can wait.
Every job carries our 90-Day Done Right Promise in writing. If something isn’t right, one call brings Wendell back. No phone tag, no warranty department in another state. That matters to homeowners in East Williston who’ve already been burned by a national chain that sent a stranger, changed the price at the door, and never picked up again. Ask anyone on your street. We’ve been fixing chimneys here long enough that you’ll probably run into us at the hardware store on Saturday.
Our Chimney Repair Services in East Williston
Mortar Repointing
The freeze-thaw cycles that hit East Williston hard every winter don’t do the village’s mortar joints any favors. When water seeps into hairline cracks and freezes, it pushes the joints apart grain by grain. Repointing in East Williston typically runs $600 to $1,800 depending on how many courses need work and how high the staging has to go. We cut out the old mortar to a proper depth and pack in fresh, weather-matched mix. On a Tudor on Sumter Avenue, we repointed the upper eight courses and the crown edge, and the chimney looked like it belonged to a house twenty years newer.

Spalling Brick Repair
Spalled brick means water got inside the brick itself, froze, and popped the face off. East Williston’s coastal humidity from the Sound to the north and the Atlantic to the south makes this worse than you’d expect for an inland village. A typical spalling brick repair runs $350 to $900 when it’s a few bricks; if the damage runs through an entire upper course, you’re looking at $1,500 to $3,000. We replace the failed brick with a close match and address whatever let the water in, otherwise you’ll be calling us again in three years.

Chimney Waterproofing
East Williston chimneys sit exposed to nor’easter-driven rain and decades of freeze-thaw stress. Waterproofing with a breathable siloxane sealer that lets moisture out but not in runs $450 to $1,200 for a typical village chimney. This isn’t paint. It’s a penetrating treatment that buys your mortar years of protection. We apply it after any repointing or crown work, which is the only order that makes sense; sealing over failing joints just traps water inside the stack.

Flashing Repair
The original flashing on a 1950s or 1960s East Williston chimney is now sixty or seventy years old. It’s tired. When it corrodes or pulls away at the roof line, water follows the chimney down into the attic and the chase, and you won’t see it until the ceiling stains or the masonry starts crumbling behind the roof line. Flashing repair in East Williston typically runs $550 to $1,400, including new step and counter flashing, roof cement, and sealing. We replace, not patch. Patching flashing is how you get a second water stain a year later.

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.
Trusted Brands We Service in East Williston
We stock and install liners and repair components from DuraFlex, Olympia Chimney, and Famco, which means we’re not waiting on a warehouse in another state when your East Williston home needs a repair done before the next nor’easter. DuraFlex stainless liners are our go-to for the oil-to-gas conversion failures we see throughout the village, because a properly sized liner fixes the condensation problem that killed the old clay tile to begin with. We carry the common parts for these systems on the truck, so most East Williston repairs get finished in a single visit.
Common Chimney Repair Problems We See in East Williston Homes
- Clay tile spalling from gas condensation. East Williston’s near-universal switch from oil to gas heat left chimneys sized for high-heat oil burners now venting cooler, wetter gas exhaust. That cooler exhaust condenses inside the old clay liner, the acidic condensate eats the mortar joints from the inside, and homeowners have no idea until a liner segment collapses.
- Freeze-thaw mortar erosion and efflorescence. Hard winters and coastal humidity mean exposed crowns and upper courses show more exterior deterioration than you’d see on a comparable home in an inland suburb. White chalky deposits on the brick face are the tell.
- Flashing failures at the roof line. Sixty-year-old metal flashing corrodes quietly. By the time you see water staining the ceiling below the chimney, the flashing has been failing for months or years.
- Crown cracking and spalling. A cracked crown lets water run straight down through the brickwork. In East Williston’s freeze-thaw cycles, a small crown crack becomes a serious mortar problem within a couple winters.
Pricing for Chimney Repair in East Williston, NY
Here’s what we actually see on East Williston jobs. Repointing runs $600 to $1,800. Spalling brick repair lands between $350 and $3,000 depending on scope. Waterproofing is $450 to $1,200. Flashing repair sits at $550 to $1,400. A partial rebuild of a chimney’s upper section, where freeze-thaw has destroyed the top courses, usually runs $2,500 to $5,000, and a full rebuild from the roofline up is $6,000 or more. What moves the number is access, height, and how much of the original masonry is salvageable. Every estimate is free, in writing, and delivered before work starts. The number you hear on the phone is the number on the invoice. We also knock $40 off any repair over $200, do free second opinions on any written estimate, and always give 10% off for seniors and veterans.
We Also Serve Cities Near East Williston
Our Chimney Repair crews cover East Williston and the surrounding Nassau County communities, including Hempstead, Garden City, Franklin Square, and Westbury. If you’re in one of those towns and want to know what your chimney actually needs, call us. We’ll give you the same camera-first, no-upsell approach. Learn more about our work in the village on our East Williston page.
Serving East Williston, NY - Our Local Coverage Area
We’re based in the East Williston 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 East Williston
Because the flue was sized for an oil burner, not a gas appliance. Oil burns hot and pushes exhaust up fast. Gas burns cooler and wetter, so the exhaust condenses inside the old clay tile liner instead of rising cleanly out. That acidic condensate eats the mortar joints from the inside out, and the tiles spall and crack. East Williston’s housing stock, built from roughly 1945 to 1970 and almost entirely converted from oil to gas, has this failure pattern throughout the village. It’s predictable, detectable with a camera, and fixable with a properly sized liner. Call (516) 963-1068 and we’ll scope your flue and show you exactly what’s happening before we recommend anything.
In most cases, yes. If the clay tiles are cracked or spalled but the outer masonry structure is sound, we can often install a properly sized stainless steel liner, typically DuraFlex, and resolve the condensation problem that caused the damage. On a Raemor Lane Colonial, we found a flue that had passed oil-heat inspections for decades but was now actively failing because the switch to gas left the oversized clay liner under-heated. We scoped it with a camera, showed the homeowner the spalled tile at the second story, and rebuilt that section with a liner instead of selling a full rebuild. The chimney didn’t need to come down. It needed the right-sized flue. Call us for a free estimate and we’ll tell you straight what your chimney needs.
A cracked or crumbling crown needs repair, not resealing. Resealing a structurally failing crown is like painting over rotted wood. In East Williston’s freeze-thaw climate, a small crack becomes a spalled edge within one or two winters, and water gets straight into the brickwork. Repair typically runs $750 to $1,600, depending on how much of the crown has to be re-formed. We’ll show you camera footage and explain which condition you’re looking at before we pick up a trowel. If it only needs sealing, we’ll say so.
Yes, in our experience. The combination of coastal humidity, nor’easter exposure, and a housing stock that’s now sixty to seventy years old means East Williston chimneys show more mortar joint erosion than homes of similar age in more inland parts of Nassau County. Once the original mortar starts to go, the freeze-thaw cycle accelerates the damage every winter. Repointing on the typical East Williston chimney runs $600 to $1,800, and doing it before joints crumble completely is far cheaper than a partial rebuild later.
Yes, and here’s why: the failure we see most often in East Williston is invisible from the ground and even from the roof. The oil-to-gas conversion pattern means interior clay tiles spall and mortar erodes from the inside out, with zero exterior signs until something collapses or blocks the flue. A Level 2 camera inspection shows you exactly what’s happening inside the flue, on footage you can see for yourself. It runs a few hundred dollars and it’s the difference between catching a liner failure early and paying for a much bigger repair, or worse, a chimney fire. Call (516) 963-1068 to schedule one. We’ll show you the footage and explain it in plain English.
Written by Wendell Pike, Owner at Top Hat Chimney, serving East Williston and surrounding Nassau County communities with chimney repair since 1999.





Before
After
Before
After
Before
After