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 Friendswood
If you’re searching for a chimney sweep in Friendswood, TX, you probably want two things: a real person on the phone and a technician who actually shows up. Ashby Chimney Houston handles both. Most standard sweeps in Friendswood run between $189 and $329 depending on what we find, and we give you that price in writing before any work begins. No surprise charges at the door, no invoice that doubles when the tech is already on your roof. Call (903) 961-6496 and a live person answers, 24/7.
A Friendswood chimney rarely behaves like one in, say, Pearland or League City. The expansive clay soil under this part of Galveston County shifts with every wet-dry cycle, and that movement cracks flue liners. Salt-laden air off Galveston Bay eats at dampers and caps. High humidity turns creosote into a hardened glaze faster than you’d expect. Our crews know these patterns because we’ve cleaned, inspected, and repaired hundreds of Friendswood fireplaces. Our Chimney Sweep team comes from the Houston metro dispatch office, so we’re not scheduling you from three states away. We’re local enough to know Friendswood, close enough to get there fast.
Here’s the honest version: most Friendswood homeowners don’t need a $5,000 rebuild. They need a thorough sweep, a clear camera inspection, and a straight answer about whether their liner is safe or shot. We provide all three, every visit.
Why Ashby Chimney Houston Is Friendswood’s Preferred Chimney Sweep Company
Ashby has carried ash right in the name since 2002, and it fits. Our crews clean the stuff out daily. Each Ashby location operates independently under the Kingswell Guarantee, which means every repair gets a written guarantee and a free second visit if it fails inside the guarantee period. That’s the 365-Day Done Right Promise, and it applies to Friendswood customers exactly as written.
Friendswood homeowners regularly tell us the same thing: they’ve been burned before by a no-show tech or a price that doubled at the door. We built our process to kill that pattern. Every job gets a written price before work starts. Every technician who walks through your front door is background-checked and uniformed, so you know who’s in your home. Every repair uses materials from recognized chimney-trade suppliers such as DuraFlex, HeatShield, and Olympia Chimney, not whatever was rolling around in the van.
When you call our scheduling line, a human picks up. No voicemail loops, no callback forms, no waiting until Monday. That matters when a cold front is moving through Friendswood and your fireplace is your backup heat.
Styles & brands we work with





Gas Fireplace Cleaning in Friendswood
Gas fireplace cleaning in Friendswood is one of the most skipped maintenance items in town, and it shouldn’t be. Logs, burners, and pilot assemblies collect dust, pet hair, and the fine mineral residue from gas combustion. Add Friendswood’s year-round humidity and you get a sticky film that dulls flame appearance and, in some cases, throws off the air-to-fuel ratio enough to create excess soot on your glass doors. A standard gas fireplace cleaning here runs $149 – $229.
What the Service Includes
Our tech removes the logs and burner assembly, vacuums out the firebox, cleans the pilot and thermocouple, and wipes the glass with a non-abrasive cleaner. If the log set is misaligned, we reset it per the manufacturer’s pattern. Each visit ends with a quick function test so you’re not standing in front of a cold fireplace on the first chilly evening.
When a Friendswood Home Needs It
If your gas fireplace hasn’t been serviced in three or more years, or if the flames look lazy and yellow instead of crisp blue, it’s time. Homes near Clear Creek and along Friendswood Lakes Boulevard tend to accumulate more airborne dust and humidity, which shows up faster on burners and valve assemblies. Annual cleaning keeps the unit running clean and quiet.
Chimney Maintenance in Friendswood
Chimney maintenance in Friendswood means more than an annual sweep. It means catching the “Friendswood crumble” before a chunk of brick lands on your patio. It means checking a rusted damper before smoke pushes back into your living room on the first cold night. A maintenance visit, including sweep, damper check, and cap inspection, runs $189 – $279 depending on flue size and accessibility.
Seasonal Upkeep That Saves You Money
We recommend a maintenance visit before burn season starts here, which in Friendswood usually means late September to mid-October. Waiting until the first cold front is a classic mistake because by then, humidity-swollen creosote has hardened into a second-degree glaze that requires mechanical removal instead of a simple brush. Early booking gets you a clean flue before the rush and often a lower scope of work.
What We Inspect on Every Maintenance Call
Flashings, crown, cap, damper, firebox, smoke chamber, and flue liner. We run a camera up the flue so you see exactly what we see. Nothing gets recommended without visual evidence you can look at yourself. That’s the Kingswell Way: say the price, show up in the window, leave it cleaner, put the guarantee in writing, come back if it fails.
Trusted Brands We Service in Friendswood
We don’t install generic parts. Our Friendswood jobs use materials from brands with actual chimney-trade reputations: DuraFlex for stainless steel relining, HeatShield for ceramic resurfacing of clay tile liners, and Olympia Chimney for caps and chase covers. We keep a working stock of common components in our metro Houston dispatch inventory, which means faster turnaround for Friendswood customers instead of waiting on a parts drop from somewhere out of state. When a fireplace repair needs a specific part, we tell you the brand, why we use it, and what it costs before we order anything.
See the difference
Before
After
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After
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AfterCommon Chimney Sweep Problems We See in Friendswood Homes
- Clay tile flue liner cracks from expansive soil movement. Friendswood sits on some of the stickiest clay in Galveston County. As the soil swells and shrinks with seasonal moisture, it shifts foundations and chimney stacks, opening vertical cracks in clay tile liners. These cracks let flue gases and heat escape into wall cavities, so we check for them on every sweep.
- Rusted dampers and chimney caps from salt-laden air. The same air coming off Galveston Bay that rusts patio furniture also eats at steel dampers and caps. A seized damper forces smoke back into the house, and a corroded cap lets rain, birds, and nests into the flue. We replace these with stainless or copper options that hold up longer in our local conditions.
- “Friendswood crumble” on exterior chimney brick. Rare freezes like February 2021 followed by rapid thaws and relentless humidity spall the brick and mortar on exposed chimney stacks. Technicians call it Friendswood crumble, and if left alone it becomes a structural issue, not just a cosmetic one. We document it with photos and give you a repair scope with a written price.
- Third-degree creosote glazing from burning unseasoned oak during cold snaps. When a hard freeze hits, people burn whatever wood they have. Green oak smokes heavily and deposits tar-like creosote inside the flue. By the time we arrive, it’s often hardened to the point of needing a rotary whip or chemical treatment rather than a standard brush. Friendswood’s humidity accelerates this hardening long after the fire goes out.
Pricing for Chimney Sweep in Friendswood, TX
Here’s the straight-dollar version for Friendswood. A basic open-flue sweep runs $189 – $249. Add a Level 1 inspection and you’re at $229 – $289. Level 2 inspections, which use a camera and are required after fires, earthquakes, or property transfers, run $349 – $499. Creosote removal with mechanical tools, when deposits are glazed or third-degree, adds $75 – $150 depending on severity. Gas fireplace cleaning sits at $149 – $229. Furnace flue cleaning runs $159 – $219.
What changes the price: flue height, roof pitch, accessibility, and the degree of creosote buildup. A two-story Friendswood home with a steep roof and a capped flue drives more labor than a single-story with a straight shot. We tell you the exact cost before we start, in writing, and that number doesn’t move unless you approve additional work after seeing our camera evidence. Call (903) 961-6496 for a free estimate.
We Also Serve Cities Near Friendswood
Our crews cover a tight radius around Friendswood, including Webster, Pasadena, Fresno, and the broader Houston metro. If you’re in a neighboring city and need the same written-price, written-guarantee service, our Chimney Sweep in Friendswood page covers the area. Scheduling is handled from our Houston dispatch office.
Serving Friendswood, TX - Our Local Coverage Area
We’re based in the Friendswood 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 Friendswood
Once a year, even if you only fire it up a handful of times between December and February. Friendswood’s Gulf Coast humidity causes creosote to convert into acidic compounds that attack clay tile liners year-round, not just during burn season. A rarely used fireplace isn’t a clean fireplace. Call (903) 961-6496 and we’ll schedule you before the rush.
Friendswood crumble is what local techs call the spalling brick and mortar on exterior chimney stacks caused by rare freeze-thaw cycles combined with relentless humidity. On a 1970s brick veneer ranch off Sunset Drive, our tech found third-degree creosote glazing the firebox and smoke chamber after the homeowner burned unseasoned oak during February’s cold snap. The clay tile flue liner had a 4-foot vertical crack from soil movement, so we removed the tar glaze with a rotary whip, then installed a HeatShield resurfacing system to restore draft and prevent flue gases from leaking into the wall cavity. A sweep can document the damage and clean what’s inside; repairing the crumble is a masonry job we scope and price honestly. Nothing gets recommended without photos you can see.
Salt-laden air from Galveston Bay, combined with high humidity year-round, corrodes standard steel chimney caps much faster here than in drier inland suburbs. If the cap is painted steel, expect visible rust within three to five years. We replace caps with stainless or copper from Olympia Chimney, which last far longer in Friendswood’s coastal climate.
In Friendswood, it’s usually the soil. Our expansive clay shifts with every seasonal moisture cycle, and that movement can crack chimney stacks and the clay tile liners inside them. Fireplace heat adds stress, but the underlying movement is what opens vertical cracks in the first place. We confirm with a camera inspection and then recommend either a HeatShield resurfacing or a DuraFlex stainless steel liner, depending on the crack pattern and flue size. Either way, you get a written price and a written guarantee.
Yes. We clean gas fireplaces that haven’t been touched in a decade. Dust, pet hair, and mineral residue from gas combustion accumulate in the burner and pilot assembly, and Friendswood humidity makes it stick. We disassemble, clean, vacuum, reset the logs, and test the unit. A first-time cleaning runs $149 – $229. If the unit has never been serviced, it may also need a safety check for gas leaks and venting, which we flag and show you before quoting any additional work.
If you’re in Friendswood and your chimney hasn’t been serviced, or you’ve got questions about a cracked liner or a rusted cap, call us at (903) 961-6496. We answer the phone, give you a written quote, and stand behind our work with the Kingswell Guarantee. That’s the job.
Written by Nathan Corliss, Owner at Ashby Chimney Houston, serving Friendswood and surrounding communities since 2002.