Masonry repair
Sweep & inspection
Caps & crowns
Flue relining
Gas fireplace serviceLevel 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.
Styles & brands we work with
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AfterHow Much Does Chimney Repair Cost in Hempstead?
Chimney repair in Hempstead, NY typically costs between $250 and $2,800, with most homeowners spending $400 to $1,200 on common fixes like crown repair, repointing, or flashing replacement. A standard chimney inspection that identifies the problem runs $99 to $250, while a full flue relining job can reach $3,500 to $7,000 depending on the liner material and chimney height. For an exact written price on your specific repair, call Flint Chimney Co Hempstead at (516) 559-6922 and we’ll put the number in writing before any work starts.
The range is wide because chimney repair covers a lot of ground: a cracked crown is a few hundred dollars, a failing flue liner is thousands. What you’ll actually pay in Hempstead depends on what’s broken, how accessible your roof is, and whether the damage has spread into the masonry. Hank Delano and the repair team at Flint Chimney Co Hempstead have been quoting and completing these jobs in Nassau County since 2002, and every estimate is a written, line-item price, not a verbal ballpark that changes at the door.
Chimney Repair Cost Breakdown (2026)
Here’s what Hempstead homeowners can expect to pay for specific chimney repairs in 2026. These are real working numbers from the local market, not national averages pulled from a database:
| Repair Type | Typical Cost in Hempstead, NY (2026) | Notes |
|---|---|---|
| Chimney cap replacement | $175 – $450 | Prevents rain, animals, and downdrafts; stainless or copper options available through Copperfield or Olympia Chimney. |
| Crown repair or reseal | $250 – $700 | Includes crack filling with a flexible sealant; full crown rebuild runs higher. |
| Brick repointing (tuckpointing) | $15 – $30 per square foot | Full chimney typically runs $800 – $1,800. |
| Flashing repair | $300 – $800 | Replaces worn aluminum or galvanized flashing where the chimney meets the roofline. |
| Damper replacement | $350 – $850 | Top-sealing dampers run higher than throat dampers; both stop heat loss when the fireplace isn’t in use. |
| Flue liner repair (HeatShield resurfacing) | $1,200 – $2,800 | Ceramic-based resurfacing that seals hairline cracks without tearing out the old liner. |
| Flue relining (stainless steel, DuraFlex) | $3,500 – $7,000 | Full-diameter replacement liner, required when the existing clay tile liner is severely cracked or missing sections. |
| Chimney inspection (Level 1 or Level 2) | $99 – $350 | Level 2 includes camera scanning and is recommended before buying or selling a home in Hempstead. |
| Firebox repair (brick replacement + refractory mortar) | $450 – $1,400 | Cost scales with the number of damaged firebricks and the depth of the repair. |
These ranges reflect what Flint Chimney Co Hempstead sees day to day across Hempstead, Uniondale, Garden City, Westbury, and the surrounding neighborhoods. A repair that touches multiple components, say a crown that was neglected so long the top courses of brick started spalling, will push toward the higher end because we’re fixing the damage and the cause.
One thing worth stating plainly: a chimney repair estimate from Flint is the number you pay. The written price you approve before work begins is the invoice total when we’re done. No add-ons, no “we found something else while we were up there” surprise pricing. That’s the Garrison Standard, and it applies to every repair we complete in Hempstead.
What Affects Chimney Repair Pricing in Hempstead
Hempstead has specific housing stock and weather patterns that directly influence what your repair will cost. Here are the factors that move the number:
- Age of the home and original construction. Much of Hempstead’s housing stock dates from the 1920s through the 1960s. Older chimneys built with lime mortar and unlined flues need more invasive repair work than newer construction. A 1940s colonial on a tree-lined block near Hempstead Turnpike will often need full repointing where a 1990s build might only need a crown reseal.
- Chimney height and roof accessibility. Two-story homes with steep rooflines, common in parts of Hempstead and Garden City South, require more setup time and safety equipment than a low-pitch ranch. That’s labor time, and it’s reflected honestly in the estimate.
- Freeze-thaw cycling on exposed masonry. Long Island winters cycle brick and mortar through freezing and thawing dozens of times each season. Water gets into hairline cracks, freezes, expands, and widens them. By spring, what started as a cosmetic crack is a structural gap. Hempstead chimneys that face the prevailing northwest wind deteriorate faster than sheltered ones, and that’s a real, observable pattern in our service area.
- Water intrusion history. If your chimney has been leaking for years without a cap or with a failed crown, the damage inside the flue and firebox compounds. Repair costs multiply when we’re addressing secondary water damage on top of the original issue.
- Liner condition and material. Clay tile liners crack over time. If the damage is limited to hairline cracking, HeatShield ceramic resurfacing can restore the liner at roughly half to two-thirds the cost of a full DuraFlex stainless reline. If the tiles are collapsed or missing, there’s no shortcut: the liner gets replaced. The material brands we use are specified by what the job requires, not by what carries the highest margin.
- Whether you’ve been burning green or unseasoned wood. Wet wood produces cooler, smokier fires and thicker creosote buildup, which corrodes liners and accelerates fireplace component wear. It’s a conversation we have with Hempstead homeowners all winter: the repair bill is often a direct function of what’s been going into the fireplace.
Knowing these factors helps you read an estimate intelligently. When we price a repair, we tell you which of these factors applies to your chimney and how it moved the number. That’s a habit Hank Delano built into the company from the start: no mystery pricing, just a clear explanation of what we’re fixing and why it costs what it does.
Common Chimney Repairs in Hempstead and What They Cost
Let’s walk through the repairs we handle most often in Hempstead, with plain-language explanations of the work and the price range for each.
Chimney Crown Repair ($250 – $700)
The crown is the concrete slab that caps the top of the chimney structure, sealing the masonry from rain and snow. In Hempstead, crowns crack from freeze-thaw stress, and once they crack, water gets into the brick below. A crown repair involves cleaning out the cracks, filling them with a flexible, weather-resistant sealant, and often applying a waterproofing coat to the entire crown surface. If the crown has deteriorated past the point of sealing, a full rebuild is required, and that falls in the $700 to $1,400 range. Most Hempstead homes we see with leaking chimneys have a crown problem as the root cause.
Brick Repointing ($800 – $1,800 for a full chimney)
Mortar repointing, also called tuckpointing, is the process of grinding out deteriorated mortar joints and packing fresh mortar in place. It’s not cosmetic. When mortar erodes, the bricks lose their bond, the structure weakens, and water penetrates the chimney body. In Hempstead’s older neighborhoods, especially around the village center and the blocks west of Clinton Street, we regularly repoint chimneys that have been untouched for 40 or 50 years. The cost depends on the square footage of masonry surface and how deeply we need to grind. Flint always matches the new mortar to the existing mortar’s color and composition, so the repair blends with the original work.
Flashing Repair ($300 – $800)
Flashing is the metal strip system that seals the joint where the chimney passes through the roof. When flashing fails, water runs down the chimney chase and into the attic, often presenting as a ceiling stain nowhere near the fireplace. The repair involves replacing the step flashing and counterflashing, typically with aluminum or galvanized steel configured for Hempstead’s typical asphalt shingle roofs. This is one of the most common repairs we perform after a Level 2 inspection identifies the leak source.
Flue Liner Repair and Relining ($1,200 – $7,000)
The flue liner is the inner channel that carries smoke and combustion gases from the firebox to the outside. In Hempstead homes with original clay tile liners, cracking is nearly universal after 30 to 40 years of temperature cycling. If the cracking is minor, we apply HeatShield, a ceramic cement product that resurfacing the liner interior and restores the flue to safe operating condition. The cost ranges from $1,200 to $2,800 depending on flue length. If the liner is too far gone, we reline the chimney with DuraFlex stainless steel, a flexible liner we size to the existing flue and insulate. A full stainless reline in Hempstead runs $3,500 to $7,000 including materials and installation, and the DuraFlex liner carries a manufacturer’s warranty backed by our own written one-year guarantee.
Chimney Cap Replacement ($175 – $450)
A chimney cap sits above the flue opening and does three jobs: it keeps rain out, blocks animals including the squirrels and raccoons common in Hempstead’s mature tree canopy, and stops downdrafts from pushing smoke back into the house. Standard stainless caps from Copperfield or Olympia Chimney cost $175 to $450 installed. For homeowners with multiple flues, a custom multi-flue cap runs higher, typically $450 to $850.
Damper Replacement ($350 – $850)
The damper is the metal door inside the chimney that opens when you light a fire and closes when the fireplace is cold. Worn dampers let heated air escape up the chimney all winter, adding real cost to your heating bill. A throat damper replacement typically runs $350 to $600. A top-sealing damper mounted at the flue opening, which seals far more effectively than a throat damper, runs $500 to $850 installed.
Is It Cheaper to Repair or Replace a Chimney in Hempstead?
A full chimney rebuild from the roofline up runs $8,000 to $20,000 in Hempstead, so repair is almost always the more cost-effective path if the structure is sound. The decision point is the condition of the masonry below the roofline. If the chimney above the roof is crumbling but the firebox and foundation are intact, repairing the upper structure makes financial sense. If the entire chimney is leaning, the footing has failed, or the firebox masonry has collapsed, rebuilding may be the only sound option. Our inspection report will tell you which side of that line your chimney sits on, with photos from the camera scan and a written recommendation. You can read more about the repair work we handle on our Chimney Repair in Hempstead page.
How to Save on Chimney Repair in Hempstead
The most expensive chimney repair is the one you didn’t catch in time. Annual inspections run $99 to $250 and catch a $300 flashing problem before it becomes a $2,800 liner job. Beyond that, here are practical ways Hempstead homeowners keep repair costs down:
- Schedule the repair before winter. Masonry repair requires temperatures above freezing for proper mortar and sealant cure. If you catch crown damage in September, you fix it for the low price. If you wait until January and the repair is an emergency, you may pay a premium for cold-weather mobilization and temporary fixes before the permanent repair can wait for spring. Summer and early fall are the cheapest times to schedule chimney repair in Hempstead.
- Address water issues early. A $350 cap replacement prevents thousands in liner and masonry damage. If your chimney has been uncapped or the crown cracked, don’t wait for the leak to show up in the living room ceiling.
- Bundle related repairs. If your inspection finds a cracked crown and a failing damper, doing both in one visit saves on mobilization and setup. The repair crew is already on the roof with the equipment staged.
- Burn dry, seasoned hardwood. Firewood with moisture content under 20% produces less creosote and burns cleaner, extending the life of your liner, damper, and firebox. Wet wood is false economy.
- Get a written price before committing. This sounds obvious, but it’s how Flint Chimney Co Hempstead works and how every reliable chimney company should work. A written estimate locks the number. For a free written estimate, call (516) 559-6922.
FAQs – Chimney Repair Cost in Hempstead
How much does chimney repair cost in Hempstead, NY?
Chimney repair in Hempstead costs $250 to $2,800 for most common repairs in 2026, with the majority of jobs landing between $400 and $1,200. Full flue relining runs $3,500 to $7,000. Call (516) 559-6922 for a free, written estimate on your specific chimney.
How much does repointing cost in Hempstead?
Brick repointing in Hempstead costs $15 to $30 per square foot, which puts a full chimney at $800 to $1,800 for most homes. Older chimneys with deeper joint damage run toward the upper end. Flint Chimney Co Hempstead matches the new mortar to your existing brick for a repair that blends cleanly.
Can you fix a chimney in one day in Hempstead?
Most crown repairs, cap replacements, damper installations, and flashing jobs are completed in a single day. Larger jobs like full repointing or flue relining take two to three days depending on weather and chimney height. When you call (516) 559-6922, we’ll give you a written time window before the crew arrives.
What does a chimney inspection cost in Hempstead?
A Level 1 chimney inspection in Hempstead runs $99 to $200. A Level 2 inspection with camera scanning costs $200 to $350 and is what we recommend before buying a home or if you suspect hidden damage. The inspection cost is credited back if you proceed with a repair we quote.
How much does flue repair cost in Hempstead?
Minor flue liner damage repaired with HeatShield ceramic resurfacing runs $1,200 to $2,800. Full stainless steel relining with DuraFlex costs $3,500 to $7,000 depending on chimney height and liner diameter. Every reline at Flint Chimney Co Hempstead carries a written one-year guarantee through our 365-Day Done Right Promise.
Does chimney repair come with a warranty?
Yes. Every repair completed by Flint Chimney Co Hempstead includes a written guarantee valid for one full year from the service date under the 365-Day Done Right Promise. If a covered repair fails within that year, we return at no charge. That guarantee is in writing on every repair invoice, not buried in fine print.
Why Hempstead Homeowners Choose Flint Chimney Co for Repairs
We know the Hempstead chimney market because we’ve been working in it since 2002. Flint Chimney Co is part of the Garrison Partners family of independently owned chimney service companies, and we operate under the Garrison Code: written pricing, background-checked uniformed technicians, and a live person on the phone 24 hours a day. Every repair we quote is priced before work begins, and every repair we complete is backed by the 365-Day Done Right Promise. If it’s not done right, we make it right, free of charge, within the guarantee period.
We install professional-grade materials from brands you can verify independently: DuraFlex stainless liners, HeatShield ceramic flue resurfacing, Gelco sealants, Olympia Chimney caps and dampers, Famco components, and Copperfield products. We name these brands because they matter, and because a repair should last decades, not a couple of winters.
Whether you need a simple cap replacement or a full flue relining, the process is the same: call (516) 559-6922, schedule an inspection, and receive a written price before anything moves off the truck. Hank Delano and the repair team are ready to get your chimney squared away.
For an overview of everything we do in the area, start at our home page or jump straight to Chimney Repair in Hempstead for full details on our repair services.
Pricing reflects the Hempstead market as of 2026. Flint Chimney Co Hempstead offers free estimates – call (516) 559-6922.
Written by Hank Delano, Owner at Flint Chimney Co Hempstead, serving Hempstead, NY and Nassau County since 2002.
What Our Customers Say
"Good work on the damper replacement. Had to wait for a part for a few days, but they stayed in touch."
- Glenn D."Rebuilt the crown on our chimney where water had been getting in. Neat masonry and a fair price."
- Eddie J."Direct, no nonsense, and polite. Exactly what I wanted."
- Tina W.