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.
Fast, Reliable Fireplace Repair Across Missouri City
Fireplace repair in Missouri City usually costs between $185 and $2,800 depending on what’s actually wrong, and most jobs are diagnosed the same day we arrive. We work across Missouri City from Quail Valley to Sienna, and we’ve spent years learning which failures show up most in this specific housing stock: spalled clay liners in 1980s builds, rusted dampers from humidity, and gas fireplaces that hibernate for ten months and then refuse to light. If your fireplace is acting up, call (903) 961-6496 and we’ll give you a straight answer before we ever pick up a tool.
The important thing to know about Ashby Chimney Houston: we put a written price in your hand before any work begins, and every repair carries a written guarantee. Nathan Corliss runs this shop the way a good tradesperson should. Say what it costs, show up when you said, and stand behind the work. We’ve operated that way since 2002, and it’s the reason Missouri City homeowners keep our number in their phones.
Why Ashby Chimney Houston Is Missouri City’s Preferred Fireplace Repair Company
Homeowners in Missouri City have been burned before. A repair company quotes one number, then the tech finds “additional problems” and the final invoice doubles. Or the liner gets replaced and six weeks later the draft is worse than before. That frustration is exactly what our guarantee addresses. Every repair we complete in Missouri City includes a written guarantee, and if a covered repair fails inside the guarantee period, we come back and fix it at no charge. We call it the 365-Day Done Right Promise. The Kingswell Guarantee is the standard behind it, and it is the reason our Fireplace Repair team keeps a packed schedule.
When we send a technician to Missouri City, you know who’s walking into your home. Background-checked, uniformed, and trained on the specific chimney systems common in this area. Your call is answered by a live person, 24 hours a day. No voicemail loops. If you call at 9pm because your gas fireplace won’t ignite and there’s a cold front rolling through Fort Bend County, a real person picks up.
We stock parts for the brands Missouri City homes already have, and our trucks carry materials from DuraFlex, HeatShield, and Gelco. Not whatever the nearest home center had on the shelf. When we quote a repair, we quote with the right materials for this climate, which matters more than people realize.
Styles & brands we work with





Gas Fireplace Installation in Missouri City
Gas Fireplace Installation in Missouri City typically runs between $2,400 and $5,800 for a full insert with a new venting run, and between $3,800 and $7,500 when you’re converting a masonry fireplace and need to run a gas line. The final number depends on whether we’re working with an existing gas stub, what venting your home’s construction requires, and whether the firebox needs prep work first. We give you the written price before we order a single part.
Missouri City has thousands of homes built between the 1970s and early 2000s, and many of them have masonry fireplaces that have never burned anything except maybe a Duraflame log at a holiday party. For a lot of these homeowners, the smartest move is converting to gas. You get heat without the creosote, the ash, or the annual sweeping. And in a humid climate like ours, gas eliminates the moisture trap that a dormant wood fireplace becomes.
Fireplace Inserts and Gas Conversions
A gas insert slides into your existing fireplace opening and vents through the current chimney with a new liner, so you keep the look of the masonry but you stop losing conditioned air from your house through the flue. We install inserts using proper venting materials sized for the appliance, and every installation includes a written price and written guarantee.
If you’re in Quail Valley or Colony Lakes and you’re wondering whether your chimney can handle a gas conversion, the answer is usually yes, but sometimes the original clay liner is too far gone. That’s when we explain your options plainly and show you the camera footage so you can see exactly what we’re seeing.
Gas Logs and Burner Service
We also install and service gas log sets and burners for homeowners who already have a gas fireplace but want better flame control or a more realistic fire. This kind of job usually costs less than a full insert, and we can often complete it in a single visit.
A common Missouri City issue: the gas log set was installed years ago, the thermocouple has degraded, and now the pilot won’t stay lit. That’s a straightforward repair, and we’ll tell you before we start whether fixing the log set or replacing it makes more financial sense.
Gas Fireplace Maintenance in Missouri City
Gas Fireplace Maintenance in Missouri City typically costs between $149 and $249 for a full service call, which includes cleaning the burner and logs, checking the thermocouple and pilot assembly, testing gas pressure, and inspecting the venting run. If we find parts that need replacement, we’ll quote those separately before doing anything, and the number we quote is the number you pay.
People assume gas fireplaces are maintenance-free. They’re not. The burners collect dust and pet hair. The glass gets a cloudy film. The pilot assembly corrodes in our humidity. A gas fireplace that hasn’t been serviced in three years is likely to fail on the one cold night you actually want to use it. We recommend annual service for any gas fireplace in Missouri City, especially in homes that run it only a handful of times each winter. Infrequent use in humid conditions causes more problems than heavy use.
Pilot Light and Ignition Diagnostics
When a Missouri City homeowner says “the fireplace won’t light,” our first check is always the pilot assembly. Spider webs inside the burner tube, a weak thermocouple, or corrosion on the igniter electrode are the three most common culprits. We diagnose them quickly and usually repair them the same visit.
If your fireplace uses an electronic ignition system instead of a standing pilot, the diagnostic process is different: we check the control module, the wiring harness, and the power supply. Parts for all major gas fireplace controls are on our trucks when we run Missouri City calls.
Annual Inspection and Safety Checks
A proper gas fireplace maintenance visit includes a visual inspection of the entire venting system, from the firebox to the termination cap. In Missouri City, we pay particularly close attention to the liner and the cap, because our humid air and occasional heavy rainstorms cause rust and deterioration faster than drier climates. We always show you what we find, usually with photos or video from our inspection camera.
The Kingswell Guarantee covers this work too. If we service your fireplace and something fails inside the guarantee period that should have been caught during the inspection, we come back. And we make it right without charging you again.
Trusted Brands We Service in Missouri City
Our technicians service and repair fireplaces and chimney systems built around materials from DuraFlex, HeatShield, and Gelco products, plus components from Olympia Chimney, Famco, and Copperfield. We keep common repair parts stocked for Missouri City jobs, which means faster turnaround when your gas valve is shot or your damper needs a replacement. Using the right brand-name materials matters in a humid climate because generic parts typically fail sooner. We’d rather put in the right part once and warranty it than make a second trip on our own dime.
See the difference
Before
After
Before
After
Before
AfterCommon Fireplace Repair Problems We See in Missouri City Homes
- Spalled clay tile flue liners. In homes across Quail Valley and Riverstone, the original clay liners have been breaking down for years. Humidity and thermal cycling crack the tiles, and pieces fall into the smoke chamber. We see this on fireplaces that have barely been used.
- Rusted and seized dampers. Missouri City’s year-round humidity attacks the damper assembly in a masonry fireplace. After enough seasons, the damper won’t open, won’t close, or rattles in the wind and lets conditioned air pour out of the house.
- Efflorescence and spalling brick on exterior chimneys. The white chalky staining and flaking brick you see on larger homes with multiple flues along Highway 6 and near Sienna Plantation is moisture escaping through the masonry. It is not cosmetic and it will get worse. We repair the underlying water entry and rebuild the damaged areas.
- Gas fireplaces that fail on the first cold night. A unit that’s been dormant since February collects dust, corrosion, and insect debris in the burner and pilot assembly. When a cold front arrives around Thanksgiving, it won’t light. Annual maintenance prevents this pattern.
Pricing for Fireplace Repair in Missouri City, TX
Here is what fireplace repair costs in the Missouri City market, based on the work we’ve done across the area. A standard service call to diagnose a problem costs $89, which is credited toward any repair you approve. Damper replacements run $325 to $650. Pilot assembly repairs run $150 to $400. A gas valve replacement lands between $350 and $750. Firebox repointing runs $650 to $1,500 depending on the area. A full flue liner resurfacing with HeatShield runs $2,500 to $4,200. A complete chimney rebuild with new clay liners and a new crown starts around $5,500 and goes up from there. Every quote is written, and it’s free to have us come out and tell you exactly what your fireplace needs and what it will cost. Call (903) 961-6496 to schedule.
We Also Serve Cities Near Missouri City
Our crews cover Missouri City and the surrounding Fort Bend County communities. We regularly run repair calls in Stafford, Fresno, Rosenberg, and Richmond. If you’re in one of those areas and you need an honest fireplace assessment, the same written-price guarantee and same repair team are available to you. One call covers the whole area: (903) 961-6496.
Serving Missouri City, TX - Our Local Coverage Area
We’re based in the Missouri City 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 Fireplace Repair in Missouri City
Even a fireplace you rarely use should be inspected once a year. The humidity in Missouri City corrodes dampers, deteriorates clay liners, and creates conditions that get worse with neglect. In a rarely-used fireplace, we check that the flue is still intact, the damper still operates, and no water has been getting in around the crown. A chimney that sits dormant for years can develop serious structural problems that only get discovered when you try to sell the house. Call (903) 961-6496 and we’ll schedule an inspection that fits your calendar, not ours.
Infrequent fires in a humid climate produce a dense, hardened third-stage creosote, not the flaky first-stage type. The moisture in the air plus low-temperature, short-duration burns glaze the creosote onto the flue walls. That hardened creosote is the most difficult kind to remove and the most likely to contribute to a chimney fire. If you’ve been burning a few fires a winter for years without a sweep, you likely have significant buildup. We can evaluate it quickly and give you an honest answer about whether you need a sweep or something more.
The original clay tile liners installed in Quail Valley homes from the 1970s through the 1990s were never designed for Missouri City’s humidity. Moisture from the air condenses inside the flue, seeps into the porous clay, and when the temperature swings, the tiles crack and flake. We repaired a masonry fireplace in Quail Valley recently where the original liner had spalled so badly that pieces fell into the smoke chamber. After a Level 2 inspection showed multiple cracks, our techs installed a HeatShield resurfacing system and replaced a seized damper. The fireplace is safe and draft-free now. If your home still has its original clay liner, an inspection will tell you where you stand.
Yes, and it’s one of the most common jobs we do in Missouri City. We install a gas insert or gas logs, run a new liner sized for the appliance, and handle the gas connection if a stub is already in place or add one if not. A conversion usually runs between $3,800 and $7,500 depending on the extent of the gas line work and whether the firebox needs any prep. It’s a clean, lower-maintenance way to actually use the fireplace you’ve been ignoring for years.
Efflorescence is a sign that water is moving through your masonry, and in this climate it means the chimney is absorbing moisture from rain and humidity and releasing it through the brick face. Left alone, it progresses into spalling and structural damage, especially on larger multi-flue chimneys. The fix is to identify and stop the water entry, repair any damaged brick, and apply a breathable sealant where appropriate. It’s a smaller job than a rebuild if you catch it early. If your chimney is showing white chalky streaks, call (903) 961-6496 and we’ll take a look.
Written by Nathan Corliss, Owner at Ashby Chimney Houston, serving Missouri City and the surrounding Fort Bend County area since 2002.