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 Liner & Rebuild Across Hempstead
Chimney Repair in Hempstead for liner replacement and partial rebuilds typically costs between $1,800 and $4,500, with most inspections completed same-week and full jobs finished in a single visit. If your Hempstead home was built between the 1920s and 1960s, your chimney was probably sized for coal or oil, not the gas appliance venting through it now. That mismatch is why we see more liner failures and hidden flue damage here than in towns with newer construction.
We’ve been answering calls with a live person, 24 hours a day, 7 days a week, for over 42 years. Our crews serve Hempstead from our New York City dispatch office, and we know the village’s older blocks - the Cape Cods off Peninsula Boulevard, the row houses near Kennedy Park, the semi-detached homes around Hempstead Turnpike - well enough to spot the problems that repeat. Call us at (631) 498-8835 for a free estimate. We’ll show you exactly what your flue looks like before we recommend a thing.
Why Hearthstone Chimney Co. Is Hempstead’s Preferred Chimney Liner & Rebuild Company
Hempstead homeowners call us because we’ve earned a reputation for plain talk and no upselling. Our Level-2 camera inspections end with photos you can see and a plain-English verdict - documented like an engineer, explained like a craftsman. If we can’t show it on camera, we don’t recommend it.
Our technicians are background-checked, uniformed, and complete most jobs in a single visit. No-hassle upfront pricing means the number on your estimate is the number on your invoice. And every job is backed by our 90-Day Done Right Promise - in writing, no arguing. If it’s not right, we come back and make it right.
Dispatch and scheduling are coordinated from our New York City office, but our crews are in Hempstead regularly. We understand the salt-weathered mortar, the coal-to-oil-to-gas conversion history, and the multi-family properties that go years between inspections. That local fluency saves time and prevents the expensive surprises that happen when a sweep treats every chimney like every other chimney.
Our Chimney Liner & Rebuild Services in Hempstead
Stainless Steel Liner Installation
For Hempstead homes with active fireplaces or wood stoves, our Fireplace Services in Hempstead include rigid and flexible stainless steel liners from DuraFlex and Olympia Chimney, sized precisely to your appliance’s BTU output and flue dimensions. The clay tiles in a 1950s Cape Cod off Fulton Avenue weren’t designed for today’s EPA-certified inserts - they’re often too large, creating sluggish draft and creosote condensation. A properly sized stainless liner restores proper draft velocity and meets current NFPA 211 standards. We cut and fit on site, and most installations finish in one day.

Flexible Liner Installation
Flexible liners are our go-to solution for Hempstead’s older masonry chimneys with offsets, tight cleanouts, or deteriorated clay tile that makes rigid pipe impossible to drop. On a block off Peninsula Boulevard near the village core, our tech found a 1948 Cape Cod with an unlined brick flue that had vented a long-gone oil furnace; a camera run showed crumbling mortar joints and no clay tile left between the kitchen and roofline. We installed a flexible stainless DuraFlex liner sized to the current gas appliance, rebuilt the crown, and reset our Chimney Cap & Crown in Hempstead - the homeowner watched the whole inspection on our monitor before we quoted a thing. Flexible liners navigate the irregular construction common in Hempstead’s post-war builds without breaking into walls.

Liner Replacement
Many Hempstead chimneys have liners that are technically present but functionally failed - cracked clay tiles, gaps between sections, or corrosion from decades of acidic gas condensation. We don’t guess. Our camera inspection documents every defect with timestamped photos, and we explain what we found before we price replacement. Liner replacement in Hempstead typically runs $2,200-$3,800 for a single flue, depending on height, diameter, and whether the crown or smoke chamber needs work simultaneously. We use only professional-grade materials from brands we trust: DuraFlex, Heatshield in Hempstead, Gelco, and Olympia Chimney. No builder-grade substitutes.

Partial Rebuild
When salt-laden air off the Atlantic South Shore has spalled brick faces and opened mortar joints, but the structural shell remains sound, a partial rebuild restores integrity without the cost of starting over. Hempstead’s nor’easter exposure - horizontal rain driven into chase covers and crowns - accelerates freeze-thaw damage that inland Nassau County towns see less frequently. We rebuild crowns, replace damaged courses, and repoint mortar with matching materials. Most partial rebuilds fall between $1,800 and $3,200. If the damage extends below the roofline or the chimney has shifted off plumb, we’ll show you exactly why and explain the difference before any work begins.

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 Hempstead
We work exclusively with professional-grade materials from DuraFlex, HeatShield, Gelco, Olympia Chimney, Famco, and Copperfield - brands that stand behind their products the way we stand behind our work. For Hempstead customers, this means we stock common liner diameters, flex lengths, and crown repair materials locally, so we’re not ordering parts and making you wait. A 5-inch by 25-foot flexible stainless run, a HeatShield cerfractory sleeve for smoke chamber restoration, a Gelco cap in the size that fits your flue - we carry what these houses need. No chasing down specialty items, no return trips because the wrong part arrived. Done right, and we stand behind it.
Common Chimney Liner & Rebuild Problems We See in Hempstead Homes
- Coal-to-gas flue mismatch: Hempstead’s dense concentration of post-WWII Cape Cods and Colonials were originally equipped with chimneys sized for coal or fuel-oil furnaces. Decades of fuel conversions to natural gas have left many of these flues oversized and unlined for their current appliances, making improper draft, moisture intrusion, and hidden liner deterioration the dominant chimney problem chimney sweeps encounter here, not simply routine creosote from active wood burning.
- Salt air and spalling mortar: Hempstead sits just a few miles inland from the Atlantic South Shore, and the persistent salt-laden air accelerates mortar joint spalling and brick face deterioration in masonry chimneys faster than is typical in inland Nassau County towns. Winter nor’easters drive rain and wind horizontally into chase covers and crowns, compounding freeze-thaw cracking in already salt-weathered mortar.
- The hidden, uninspected flue: Technicians working the older blocks near the village core regularly find chimneys that served a coal boiler, were then adapted for oil, and now vent nothing at all - capped improperly or left open - while a separate gas appliance vents through a B-vent punched through the side wall. Homeowners are often unaware the decorative chimney breast in their living room is a separate, wholly uninspected flue that connects to a fireplace sealed behind drywall during a 1970s renovation.
- Deferred maintenance in multi-family properties: The high proportion of rental and multi-family properties near Hempstead Turnpike and the village core means chimneys frequently go years between professional inspections. First-degree creosote builds toward tar-glaze in active flues, while abandoned flues accumulate moisture damage and nesting debris without anyone noticing until a leak appears or a tenant smells something wrong.
Pricing for Chimney Liner & Rebuild in Hempstead, NY
We’re straightforward about numbers because we’ve been on the other side of vague estimates that balloon once work starts.
| Service | Typical Range in Hempstead |
|---|---|
| Level-2 camera inspection with photo report | $249-$349 |
| Flexible stainless steel liner (single flue, standard height) | $2,200-$3,400 |
| Rigid stainless steel liner (single flue) | $2,800-$4,200 |
| Liner replacement with smoke chamber repair | $3,200-$4,800 |
| Partial rebuild (crown, courses, repointing above roofline) | $1,800-$3,200 |
| Full chimney rebuild (structural, below roofline) | $6,500-$12,000+ |
What moves the needle: chimney height, number of flues, accessibility (steep roof, tight alley), and whether the crown or smoke chamber needs simultaneous repair. We agree on a flat price before booking. The number on your estimate is the number on your invoice. No surprises on the bill.
Every inspection includes a free written estimate. Call (631) 498-8835 to schedule.
We Also Serve Cities Near Hempstead
Our Chimney Liner & Rebuild team regularly works in Garden City, Mineola, West Hempstead, and Rockville Centre - the same salt-air conditions, similar housing stock, the same straightforward approach. If you’re in one of these neighborhoods and your chimney dates to the mid-century building boom, the same conversion-history problems apply. We also provide dedicated Chimney Liner & Rebuild in Hempstead service for homeowners throughout the village and surrounding blocks.
Serving Hempstead, NY - Our Local Coverage Area
We’re based in the Hempstead 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 Liner & Rebuild in Hempstead
Yes, almost certainly. Gas appliances produce acidic condensation that deteriorates unlined brick and mortar, and the oversized flue left from your oil furnace cools exhaust too quickly, causing draft problems and moisture damage. We verify this with a camera inspection that you watch in real time - if the flue is unlined or the clay tile is cracked, we’ll show you exactly where. Call (631) 498-8835 for an exact quote; estimates are free.
Demand a Level-2 internal camera inspection with photos you can keep. At Hearthstone, we run a camera from top to bottom (or bottom to top) and display the feed on a monitor you can watch. You’ll see cracked tiles, missing mortar, gaps between liner sections, or bare brick - whatever is actually there. No camera evidence, no recommendation. That’s our standard on every Chimney Liner & Rebuild job.
Hempstead’s proximity to the Atlantic South Shore means persistent salt-laden air and more aggressive freeze-thaw cycling. Nor’easters drive rain horizontally into crowns and chase covers, and that moisture penetrates mortar joints already weakened by salt crystallization. Inland towns like Mineola see this too, but generally at a slower rate. We account for this when we specify mortar mix and crown sealants for Hempstead jobs.
Yes, and this is one of the most common hidden hazards we find in Hempstead’s older homes. That breast often connects to a flue that was sealed behind drywall during renovation, not properly capped or lined, and has gone uninspected for decades. It may be open to the attic, collecting moisture, or it may have been repurposed illegally for a vent. Our camera inspection locates the termination and condition. We’ll show you what we find before suggesting any work.
A partial rebuild addresses damage above the roofline - crown replacement, course replacement, repointing - while the structural shell and foundation remain sound. A full rebuild is necessary when the chimney has shifted off plumb, shows significant cracking below the roofline, or has deteriorated to the point of structural compromise. We never recommend a full rebuild unless camera evidence and structural assessment support it. Most Hempstead chimneys we see qualify for partial work. Call (631) 498-8835 and we’ll tell you which category yours falls into.
Ready to know what your flue actually looks like? Call Hearthstone Chimney Co. at (631) 498-8835 to schedule a Level-2 camera inspection in Hempstead. We’ll show you the photos, explain what they mean, and give you a flat-price estimate with no pressure. Our 90-Day Done Right Promise covers every liner and rebuild job we do - in writing, no arguing. A square deal: no surprises on the bill.
Written by Russell Haines, Owner at Hearthstone Chimney Co., serving Hempstead and local communities for over 42 years.





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