Sweep & inspection
Caps & crowns
Flue relining
Masonry repair
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.
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AfterHow Much Does Chimney Liner & Rebuild Cost in Houston?
Most chimney liner and rebuild work in Houston runs between $3,800 and $11,500, depending on whether you need a stainless steel liner dropped into an existing flue or a full brick-by-brick rebuild from the roofline up. A straightforward stainless liner replacement typically lands between $3,800 and $6,200, while a partial or full chimney rebuild in the Houston area usually falls between $6,500 and $11,500. These are real numbers from the Houston market in 2026, not national averages that ignore our humidity, our clay soil, and the way our chimneys take a beating from Gulf Coast weather.
If you want a tighter number for your specific chimney, call (903) 961-6496. Ashby Chimney Houston has been doing this work since 2002, and every job starts with a written price before any mortar gets mixed. No guessing, no door-price surprises.
Chimney Liner & Rebuild Cost Breakdown (2026)
Here’s a straight line-item breakdown of what chimney liner and rebuild work costs in Houston right now. These ranges reflect what we see week to week across the metro: inside the Loop, out in Katy, up in The Woodlands, and down toward Pearland.
| Job Type | Typical Houston Price Range | What It Includes |
|---|---|---|
| Stainless steel liner replacement (single flue) | $2,800 – $5,400 | Removal of old clay liner sections, new DuraFlex or equivalent stainless liner, top plate, rain cap, and connection at the appliance or fireplace |
| Stainless steel liner for a gas furnace or water heater flue | $1,900 – $3,800 | Smaller-diameter liner sized to the appliance, full connection, and draft testing |
| Clay tile liner repair (spot repair, 3-5 flue sections) | $1,400 – $2,800 | Breaking out cracked sections and replacing with new clay tiles; only viable when the surrounding masonry is sound |
| HeatShield cerfractory flue sealant (resurfacing) | $2,200 – $4,600 | Full resurfacing of a damaged clay liner without demolition, using the HeatShield system |
| Chimney crown replacement | $900 – $1,800 | Demolition of the old cracked crown, new poured concrete crown with proper overhang and drip edge |
| Partial chimney rebuild (above roofline, 15-25 bricks high) | $3,200 – $6,000 | Tear-down of loose or spalled brick from the roof up, new brick, new mortar, new crown, and new flashing |
| Full chimney rebuild (from the firebox or roofline down to the shoulder) | $6,500 – $11,500 | Complete tear-down and rebuild, new flue liner, new crown, new flashing, and water repellant application |
| Chimney rebuild with fireplace restoration | $9,000 – $15,000+ | Full rebuild plus firebox repair, damper replacement, and cosmetic masonry work |
Those are honest ranges. The two biggest swings in price come from access and roofline height. A two-story chimney on a steep pitch in the Heights is a different job than a single-story ranch in Spring Branch. Scaffolding, safety rigging, and the time it takes to haul mortar and brick up and down all add up.
The materials matter too. We use liner systems from DuraFlex, HeatShield, Gelco, Olympia Chimney, Famco, and Copperfield because these are brands built for the chimney trade, not whatever was cheapest at the supply house. A cheap liner will still cost you labor to install, and if it cracks in three years, you’re paying for labor again. The liner itself is maybe 20-30% of the total job cost; the labor is what you’re really buying. Buying a better liner is cheap insurance.
What Affects Chimney Liner & Rebuild Pricing in Houston
Houston is a specific market with specific problems. Here’s what actually moves the number on your quote:
- Height and roof pitch. A single-story chimney on a 4/12 roof is straightforward. A three-story chimney on a 10/12 pitch in River Oaks needs scaffolding, roof jacks, and more safety rigging. Labor hours climb fast.
- The condition of the existing masonry. If your bricks are spalling and the mortar joints are dust, a liner alone won’t fix it. You’re looking at rebuild territory. We see this constantly in older neighborhoods like West University and Montrose, where chimneys from the 1950s and 60s have absorbed sixty years of Houston humidity.
- What’s venting through the flue. Gas furnaces and water heaters produce acidic condensation that eats clay tile liners from the inside. If your home switched from wood to gas decades ago and nobody updated the liner, that’s often why the clay is cracked and flaking.
- Whether the flue serves one appliance or two. A shared flue serving a furnace and a water heater needs to be sized correctly, and in some cases you’ll need two separate liners. That’s two drops, two connections, and more labor.
- Clay soil movement. Houston’s expansive clay soil shifts with every wet-dry cycle. Foundations move, and chimneys move with them. Hairline cracks in the flue and step cracks in the exterior brick are often the result. A rebuild in Houston needs to account for that movement with proper footing and expansion joints.
- Permit requirements. The City of Houston requires a permit for structural chimney work, and some surrounding municipalities like Bellaire and West University have their own requirements on top of that. Permit fees are typically $100 to $300, but they add time, and time is labor.
The honest truth is that no two Houston chimneys are in identical shape. Two neighbors in Katy can get quotes thousands of dollars apart because one chimney has a cracked crown that let water in for a decade and the other was rebuilt after Hurricane Harvey. Get someone on the roof who can look at what you actually have.
Signs You Need a Chimney Liner or Rebuild
Before we talk about saving money, let’s be clear about when this work can’t wait. A damaged flue liner (the clay or steel tube that vents combustion gases out of your home) is a genuine safety issue. Cracked liners let carbon monoxide seep into wall cavities and living spaces. If you see any of these, pick up the phone:
- Flakes of clay tile in the firebox. When a clay liner starts to fail, pieces drop down into the fireplace. If you see terracotta-colored shards in the bottom of the firebox, that’s the liner coming apart inside the flue.
- White staining or efflorescence on the exterior brick. Water is getting into the masonry and carrying mineral salts to the surface. That water is also degrading your mortar and, eventually, your liner.
- Crumbling mortar joints. Run your finger along the mortar. If it scrapes away like sand, the structural bond is gone. In Houston, this is often a sign that water intrusion has been happening for years.
- Spalling brick. Bricks whose faces have popped off or are flaking away. That’s freeze-thaw damage, and while Houston doesn’t freeze often, we do get enough cold snaps plus heavy rain to do the job.
- Rust on the damper or firebox walls. Water is coming down the flue. Where water goes, liner damage follows.
- A musty smell from the fireplace after rain. That’s water pooling somewhere it shouldn’t be.
None of these problems fix themselves. Every season you wait, the repair gets more expensive. A $1,500 crown replacement now is cheaper than an $8,000 rebuild next spring.
How to Save on Chimney Liner & Rebuild
Saving money on chimney work doesn’t mean cutting corners. It means timing the work right, understanding what you don’t need, and working with a company that doesn’t inflate the price just because they can.
Here’s what actually works:
- Schedule during the slower season. Chimney companies in Houston are busiest from October through January, when fireplace season hits and everyone notices their chimney is in bad shape. Book in the spring or summer and you’ll often get faster scheduling and sometimes better pricing because competition for our calendar is lower.
- Get the inspection first. A Level 2 chimney inspection runs under $300 in Houston and tells you exactly what you’re dealing with. It’s far cheaper to know your liner is salvageable with a HeatShield resurfacing than to pay for a full rebuild you didn’t need. Some companies will credit the inspection fee toward the repair if you hire them for the work.
- Ask about resurfacing before replacing. If your clay tile liner has cracks but the surrounding structure is sound, a HeatShield cerfractory sealant can resurface the inside of the flue for $2,200 to $4,600 instead of $6,500+ for a rebuild. It’s not right for every chimney, but when it works, it saves thousands.
- Fix the crown early. A cracked crown is a $900 to $1,800 fix. The water damage that cracked crown causes over five years often becomes a $7,000 rebuild. This is the single best money-saving move in the Houston market.
- Get a written price before work starts. This is non-negotiable. If a company won’t put the number in writing before they open the mortar bag, you’re gambling. At Ashby Chimney Houston, every job starts with a written price, and the number on the invoice matches the number we quoted at the door. That’s not a promotion; it’s how we’ve operated since 2002.
- Skip the add-ons you don’t need. If you don’t have a fireplace and your chimney only vents a furnace, you don’t need a fireplace damper. If you never have chimney leaks, you probably don’t need a full exterior waterproofing treatment. A straight-talking technician should tell you what you don’t need. Ours do.
For an exact number on your specific chimney, call (903) 961-6496. Estimates are free, and Nathan Corliss and his team at Ashby Chimney Houston will give you the straight story, even if the answer is that your chimney has a few more years in it.
Why Houston Chimneys Fail Faster Than Most
If you moved here from Dallas or San Antonio or anywhere with dry heat, you might be surprised how fast chimneys degrade in Houston. There are reasons for that, and understanding them helps you understand your quote.
First, humidity. Houston averages over 75% relative humidity year-round. Brick is porous. It absorbs moisture from the air, and when that moisture cycles through heat and cooling, it expands and contracts inside the masonry. That constant micro-movement stresses mortar joints.
Second, rain volume. Houston gets about 50 inches of rain a year, more than almost any other major American city. That rain pounds the crown, the flashing, and the masonry. A poorly sealed crown in Houston is a ticking clock, not a cosmetic issue.
Third, clay soil. Houston sits on the Beaumont and League City clay formations in most areas. These soils expand dramatically when wet and shrink when dry. Foundations heave, hairline cracks appear, and chimneys, which are heavy and often built on a separate or shared footing, shift with the movement. Even small shifts crack clay flue tiles and break mortar bonds.
Fourth, gas appliance conversions. A huge number of Houston homes built before 1980 had wood-burning fireplaces and furnaces that were later converted to natural gas. Gas exhaust is cooler and more acidic than wood smoke. Older clay liners weren’t designed for that. The result is flaking, cracking, and liner deterioration from the inside out, even if the exterior brick looks fine.
We see this pattern in neighborhoods like Meyerland, Braeswood Place, and Garden Oaks every week. The exterior looks fine. The inside is toast. That’s why a proper inspection matters more than a drive-by quote.
Repair vs. Rebuild: What’s the Right Call?
This is the most common question we get on the phone: “Can’t you just patch it?” Sometimes yes. Sometimes a patch is throwing good money after bad. Here’s how we think about it, and how you should too.
Repair makes sense when: the crown is cracked but the masonry is solid; the liner has a few cracked sections but the surrounding tile is intact; the flashing is leaking but the brick is sound. In these cases, spot repairs run $900 to $2,800 and can extend the life of the chimney by a decade or more.
Rebuild makes sense when: the brick is spalling; the mortar joints are soft more than an inch deep; the chimney is leaning or visibly separated from the house; or the liner has failed across multiple sections. In these cases, a partial rebuild at $3,200 to $6,000 or a full rebuild at $6,500 to $11,500 is the option that actually solves the problem. Patching a chimney with structural failure is like repainting a car with a rotted frame.
Nathan Corliss tells his customers the same thing: if the quote you’re getting doesn’t make it clear which bucket you’re in, the company either didn’t look closely enough or doesn’t want to explain it. At Ashby Chimney Houston, you get a straight answer. We show you what we see on the roof, because Ashby carries ash right in the name, and the people whose job is to clean it out should be able to tell you exactly what’s happening inside your flue.
What the Kingswell Guarantee Means for Your Money
When you spend $5,000 or $10,000 on a chimney, you want to know the work will hold up. That’s where the Kingswell Guarantee comes in, and it’s not just a phrase we put on a brochure. It’s five specific commitments that Ashby Chimney Houston operates under:
- Say the price. You get a written price before any work starts. Not a range, not an estimate that might change. A written number.
- Show up in the window. You get a real arrival window, and we honor it. No eight-hour “sometime between noon and midnight” windows.
- Leave it cleaner. The job site is cleaner when we leave than when we arrived. That includes the roof, the firebox, and the living room floor.
- Put the guarantee in writing. Every repair comes with a written guarantee. Not a handshake. Not a promise over the phone. Paper.
- Come back if it fails. The 365-Day Done Right Promise means that if a covered repair fails within the guarantee period, we return and correct it at no charge. Free second visit, no arguing, no fine print games.
That last one is the one people care about most. If you’ve been burned by a chimney company that fixed your liner in February and it cracked again by October, you know why a written guarantee with a free return visit matters. That’s the Kingswell Way, and it’s the only way we work.
Materials We Use and Why They Cost What They Cost
The materials on your quote have real price differences, and it’s worth understanding what you’re paying for:
- DuraFlex stainless steel liners are the workhorse of the industry. Double-wall, insulated options available, and they come with a lifetime warranty from the manufacturer. When we drop a liner, this is typically what goes in.
- HeatShield cerfractory sealant is a specialized resurfacing product that bonds to the inside of a damaged clay liner. It’s not a paint; it’s a cementitious material that restores the flue’s structural integrity. The job costs less than a rebuild because there’s no demolition and no masonry work.
- Gelco and Olympia Chimney products cover caps, crowns, and chase covers. These are the parts that keep water out of the top of the flue, and in Houston’s rain, they’re worth buying right the first time.
- Famco and Copperfield components handle dampers, flashing, and connector pieces. These are trade brands, not homeowner-grade hardware, and they’re built to last on a Houston roof.
Could we buy cheaper materials? Sure. Could you buy cheaper materials at a big-box store? Absolutely. But the labor to install a liner is the bulk of your cost, and installing cheap materials that fail in five years means paying that labor twice. We’d rather tell you the real price for the right materials up front than sell you a lower number that turns into a higher number later.
What to Expect When You Call
Here’s how it works when you call (903) 961-6496:
- A live person answers. 24 hours a day, 7 days a week. Not a voicemail loop, not a callback form. A person on the line in Houston.
- We schedule a visit. You get a real arrival window, and the technician who shows up is background-checked and in uniform. You’ll know exactly who is walking into your home.
- The technician inspects. We get on the roof, run a camera down the flue, and document what we find. You get to see the pictures.
- You get a written price. Before any work starts, you know the number. If you say no, that’s fine. The inspection price is the inspection price.
- The work happens. We do the job with the materials we quoted, on the schedule we promised, and we leave the site cleaner than we found it.
- You get a written guarantee. And if something fails within the guarantee period, we come back and fix it free. That’s the 365-Day Done Right Promise.
Nathan Corliss runs Ashby Chimney Houston the way he’s run it since 2002: show the work before you start it, put the price in writing, and stand behind the repair in writing. If you’re tired of chimney companies that don’t answer, don’t show, and don’t stand behind their work, you’ve found the right one.
FAQs – Chimney Liner & Rebuild Cost
How much does a chimney liner cost in Houston in 2026?
A stainless steel chimney liner in Houston typically costs $2,800 to $5,400 for a standard single-flue fireplace installation, and $1,900 to $3,800 for a gas furnace or water heater flue. The liner material itself is a fraction of that; most of the cost is labor, access, and the connection work. Call (903) 961-6496 for a written quote on your specific chimney, free of charge.
Is it cheaper to repair or replace a chimney liner?
Repair is cheaper when it’s viable. A HeatShield cerfractory resurfacing runs $2,200 to $4,600, and a spot clay tile repair runs $1,400 to $2,800. Full stainless liner replacement runs $2,800 to $5,400. The right call depends on how much of the existing liner is damaged and what’s venting through the flue. A camera inspection tells you in ten minutes what you’re dealing with, and we show you the footage.
How much does a full chimney rebuild cost in Houston?
A full chimney rebuild in Houston runs $6,500 to $11,500 for a typical single-story home, and $9,000 to $15,000+ when fireplace restoration and cosmetic masonry are included. Height, roof pitch, and permit requirements in your municipality move that number up or down. Every rebuild from Ashby Chimney Houston includes a written price before work starts and a written guarantee on completion.
Can a cracked chimney liner be fixed without a rebuild?
Yes, often. If the surrounding masonry is sound, a cracked clay liner can be resurfaced with the HeatShield cerfractory sealant system for $2,200 to $4,600, or replaced with a stainless liner for $2,800 to $5,400. Neither requires tearing down the chimney. We only recommend a rebuild when the structure itself is compromised. Get a camera inspection to find out which category you’re in.
How long does chimney liner and rebuild work take in Houston?
A stainless liner replacement is typically a one-day job. A partial rebuild takes two to four days depending on weather and access. A full rebuild from the roofline down is a three-to-seven-day project, and Houston’s afternoon thunderstorms can add a day here and there. We schedule around the forecast and keep you posted on the timeline. Same-week scheduling is usually available for liner work.
Does homeowners insurance cover chimney rebuilds in Houston?
It depends on the cause. If the damage came from a named storm, a lightning strike, or a covered peril, your policy may cover all or part of the rebuild. General deterioration from age, humidity, and soil movement is typically not covered. We provide written documentation and photos with every inspection, which helps when you file a claim. Call (903) 961-6496 and we’ll walk you through what to ask your adjuster.
Get a Written Price for Your Houston Chimney
You don’t have to guess what your chimney work will cost. You can know. Ashby Chimney Houston has served the Houston area since 2002, and every job starts the same way: a live person answers the phone, a background-checked technician shows up in the arrival window we gave you, and you get a written price before any work begins. The guarantee is in writing too, backed by the 365-Day Done Right Promise: if it’s not done right, we make it right. If a covered repair fails inside the guarantee period, we return and fix it free.
Call (903) 961-6496 today for a free estimate. Nathan Corliss and the team at Ashby Chimney Houston will tell you exactly what your chimney needs, exactly what it costs, and exactly what we’ll do if the work doesn’t hold up. That’s the Kingswell Way. It’s how a chimney company should operate.
Written by Nathan Corliss, Owner at Ashby Chimney Houston, serving Houston and the surrounding area since 2002.
Pricing reflects the Houston market as of 2026. Ashby Chimney Houston offers free estimates – call (903) 961-6496.
What Our Customers Say
"We smelled something off every time the heat kicked on. Turned out to be debris in the flue. He cleared it and the smell was gone. Patient explaining it all to a first timer like me."
- Annette Prosser"Booked a sweep and inspection before winter. On time, polite, and he taped off the area so there wasn't a speck of soot anywhere after. Told me exactly what the guarantee covered."
- Rachel Montoya"Had them out for the yearly sweep before we start burning. He put down a drop cloth, swept it clean, and actually showed me the inside of the flue on a little camera. No mess, no surprises on the bill."
- Bill Prentice