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.
Fast, Reliable Chimney Sweep Across Nassau Bay
A chimney sweep in Nassau Bay typically costs between $189 and $329 for a standard fireplace with a single flue, and most sweeps are completed in under two hours. That’s the plain-dollar answer our neighbors along NASA Parkway and Upper Bay Road get when they call us at (903) 961-6496. We’ve been cleaning chimneys in this area long enough to know that Nassau Bay’s salt-laden air off Clear Lake works on metal components harder than almost any other condition in the Houston metro. When you book with Ashby Chimney Houston, you get a written price before we touch your fireplace, a real arrival window, and a sweep that leaves your hearth cleaner than we found it. Nathan Corliss leads our team, and he expects every job in Nassau Bay done the same way, whether it’s a ranch-style home off Space Center Boulevard or a two-story near Swan Lagoon.
Why Ashby Chimney Houston Is Nassau Bay’s Preferred Chimney Sweep Company
We answer the phone. That may not sound like much, but if you’ve spent a morning leaving voicemails with three different chimney companies, you know it’s more than most. Our dispatch line is staffed by a live person around the clock, including weekends, because chimney problems don’t schedule themselves for business hours. When a Nassau Bay homeowner calls about a damper that won’t open or creosote odor in the living room, they talk to someone who can actually help.
Every tech who rolls into Nassau Bay is background-checked, uniformed, and paid by the hour, not by commission. That last part matters. It means we’ll tell you if your chimney can safely wait a season, rather than inventing $4,000 worth of liner work you don’t need. Nathan Corliss has built Ashby Chimney Houston around a simple idea: show the customer what we found, camera in hand, and let the evidence do the talking. We don’t recommend a repair without a photo report you can see for yourself.
Our reputation in Nassau Bay comes from showing up on time, leaving the hearth spotless, and standing behind every repair with the Kingswell Guarantee. If a covered repair fails within the guarantee period, we come back and fix it at no charge. That’s not a sales pitch. It’s the 365-Day Done Right Promise, and it’s been our standard since 2002.
Styles & brands we work with





Fireplace Cleaning in Nassau Bay
Fireplace Cleaning in Nassau Bay homes carries an extra layer of urgency because our coastal humidity drives creosote to cling to flue walls differently than it does in drier inland suburbs like Katy or Spring. Creosote is what builds up when wood smoke cools and condenses inside your chimney, and in Nassau Bay’s humid air, it tends to form a thick, waxy coating that’s more flammable than the flaky type many homeowners picture. A standard fireplace cleaning in Nassau Bay runs $189 to $279, including a firebox inspection and a check of the cap and damper. We recommend scheduling this before Thanksgiving and the first real cold front, when the fireplace becomes a weekly family habit.
What We Clean and Why
We brush and scrape creosote from the flue liner, the smoke chamber, and the firebox. We also remove soot and debris that block proper draft. In Nassau Bay, we pay close attention to the chimney cap and damper, because salt corrosion from Clear Lake tends to seize dampers and eat through standard steel caps faster than inland techs expect. A seized damper isn’t just annoying; it changes how smoke moves through your home and can trap combustion gases if the fire isn’t drawing well.
The Rural Wood-Stove Difference
If your Nassau Bay fireplace or wood stove is a primary heat source rather than an occasional evening treat, the safe sweeping interval shortens. We see properties near the water and in the more spread-out parts of Nassau Bay where homeowners burn dense, slow wood fires for warmth from November through March. That pattern builds heavy creosote fast. Six to eight months is a realistic interval for those households, not the once-a-year rule of thumb that fits a decorative fireplace.
Chimney Services in Nassau Bay
Chimney Services in Nassau Bay cover everything from a basic sweep to a Level 1 or Level 2 inspection, damper replacement, cap replacement, and brick or crown repairs where coastal moisture has done its work. A routine sweep here runs $189 to $329 for a single flue. A Level 1 inspection, which we recommend annually alongside your sweep, typically adds $75 to $125. A Level 2 inspection, the kind worth ordering if you’ve bought a new home or a storm has hit, runs $225 to $375. Those are the numbers we quote over the phone, and the price we write down before any work starts is the price on the invoice.
Inspections That Match Nassau Bay’s Conditions
Salt-laden air off Clear Lake corrodes metal components years before the same parts fail in League City or inland Houston. That’s why we treat an annual inspection as structural necessity here, not a formality. A Level 1 inspection checks the accessible areas of your chimney, flue liner, damper, and cap. A Level 2 goes further, using camera equipment to see inside the flue. We’ve found clay tile liners in 1960s and 1970s Nassau Bay ranch homes that looked intact from the top but were cracked and spalling inside, letting furnace gases escape into the chase. That’s exactly the kind of failure you can’t spot from the ground.

Repairs You Can Actually See
Before we recommend any repair, we show you the evidence. Photo report, camera inspection, clear explanation of what it means and whether it can wait. If a damper has seized from salt corrosion, we’ll show you the pitted metal. If the crown has hairline cracks from coastal freeze-thaw cycles, you’ll see those too. Then we quote the repair with a written guarantee, using materials from manufacturers like DuraFlex, HeatShield, and Copperfield. Nothing is sold on fear, and nothing is recommended without documentation.

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 Nassau Bay
We stock repair materials and parts that hold up under Clear Lake’s salt spray, and we service the brands Nassau Bay homeowners already have. That includes liners from DuraFlex, resurfacing systems from HeatShield, and dampers and caps from Copperfield. We keep marine-grade stainless cap assemblies on the truck for the replacement jobs we most often see in this area, so a corroded cap doesn’t mean a second wait. For Nassau Bay customers, that means faster turnaround on exactly the parts that fail here. We don’t install whatever happened to be left in the van; we install what survives this climate.
See the difference
Before
After
Before
After
Before
AfterCommon Chimney Sweep Problems We See in Nassau Bay Homes
- Salt-corroded dampers and caps. The salt spray off Clear Lake and Galveston Bay eats standard steel faster than almost anything else in our service area. A cap that rusts through lets rain and nesting birds into the flue, and a seized damper makes every fire draw poorly.
- Heavy creosote from wood stoves used as primary heat. Homes in the more rural stretches of Nassau Bay that burn wood all winter can load a flue with creosote in six months. That’s a fire hazard, and the safe fix is a shorter sweeping interval, not a “once a year” habit.
- Spalling brick and cracked crowns from coastal moisture. Nassau Bay’s humid climate keeps brick chimneys wet through most of the year. When a cold snap hits, trapped moisture freezes and expands, popping brick faces and cracking crowns. Water in the firebox after a coastal storm is often the first sign.
- Clay tile liners cracking in 1960s and 1970s construction. The original chimneys in Nassau Bay’s NASA-era ranch homes are sixty years old now. Clay tiles crack, gaps open, and combustion gases can escape into the home. A camera inspection tells you what the naked eye can’t.
Pricing for Chimney Sweep in Nassau Bay, TX
A standard chimney sweep in Nassau Bay runs $189 to $329 for a single flue. Fireplace cleaning alone lands between $189 and $279. A Level 1 inspection adds $75 to $125, and a Level 2 inspection runs $225 to $375. Repairs are quoted individually, and every quote is written before any work begins. What moves the price? Flue height, creosote severity, whether there’s a wood stove insert, and whether the cap or damper needs replacing. The quote we hand you at the door is the price on the invoice. Call (903) 961-6496 for a free estimate, and we’ll walk you through what your Nassau Bay chimney actually needs.
We Also Serve Cities Near Nassau Bay
Our Chimney Sweep team serves homeowners throughout the Clear Lake region and the broader Houston metro. If you’re in Houston, Spring, Katy, or Pasadena, you’ll get the same written-price, written-guarantee standard we bring to Chimney Sweep in Nassau Bay. The drive may be a little longer, but the service doesn’t change.
Serving Nassau Bay, TX - Our Local Coverage Area
We’re based in the Nassau Bay 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 About Chimney Sweep in Nassau Bay
Every six to eight months. Dense, slow burns produce heavy creosote loading much faster than the occasional ambience fire, and in Nassau Bay’s humid air, that creosote forms a waxy, stubborn coating. If you’re heating your home with wood from Thanksgiving through March, schedule a sweep before the season starts and a second one in early spring.
The proximity to Clear Lake and Galveston Bay means constant salt-laden air. That salt settles on metal and accelerates oxidation, so a standard galvanized cap that lasts a decade in League City may rust through in five or six years here. We recommend marine-grade stainless caps for Nassau Bay replacements, and we keep them on the truck because it’s the most common repair we make.
A Level 1 inspection checks the readily accessible portions of your chimney, including the flue liner, damper, cap, firebox, and exterior brick. It’s the annual inspection that pairs with a standard sweep. For Nassau Bay homes, that includes a close look at spalling brick and crown cracking from coastal moisture and freeze-thaw cycles that inland chimneys rarely face.
No. Spalling brick means moisture has penetrated and is breaking the brick face apart, and in Nassau Bay’s humid climate, that moisture is relentless. Left alone, spalled brick exposes the chimney’s interior to more water, which cracks the crown and eventually puts water in your firebox after coastal storms. It’s a structural issue, not a blemish. Call (903) 961-6496 and we’ll inspect it before the next storm season.
Yes, to a point. Burn seasoned hardwood that’s been split and dried for at least a year, and avoid starving the fire of air during overnight burns. A slow, closed-draft burn makes smoke linger and coat the flue faster. But even with better burning habits, a wood stove used as primary heat in Nassau Bay needs a sweep every six to eight months. The burning-practice card we leave with rural-route customers helps slow the buildup, but it doesn’t replace the sweep. For an exact quote on your stove and flue, call (903) 961-6496. Estimates are free.
On a ranch-style home off Upper Bay Road, our tech found a Copperfield damper seized by salt corrosion and a first-degree creosote layer in the flue. We wire-brushed the firebox and smoke chamber, replaced the damper with a marine-grade stainless unit, and left the homeowner with a burning-practice card to slow creosote return between our rural-route sweeps. That’s the job, done the Kingswell Way: say the price, show up in the window, leave it cleaner, put the guarantee in writing, and come back if it fails.
When you’re ready to book a sweep or schedule an inspection in Nassau Bay, call (903) 961-6496. A live person picks up, and you’ll have a written price before we start.
Written by Nathan Corliss, Owner at Ashby Chimney Houston, serving Nassau Bay and the Clear Lake region since 2002.