Gas fireplace service
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Masonry repairLevel 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 Fireplace Services Cost in San Antonio?
Fireplace and chimney services in San Antonio typically cost between $149 and $2,800 depending on what you’re having done. A standard chimney sweep and Level 1 inspection runs $149 to $249 for most homes, while gas fireplace repairs, liner replacements, and full rebuilds climb into the $900 to $3,500+ range. The good news: nearly every reputable company in the San Antonio market provides written estimates before work starts, so you’ll know your exact price before anyone picks up a tool.
We’ve put together this 2026 price guide to give you real numbers for the San Antonio market. No vague “it depends” hand-waving. Just the actual ranges we see across Alamo Heights, Stone Oak, Terrell Hills, Leon Valley, and the rest of Bexar County, with the factors that push a job toward the high or low end of those ranges.
Key Takeaways
- A standard chimney sweep with a Level 1 inspection runs $149 to $249 in San Antonio.
- Gas fireplace repair that involves a thermocouple or pilot assembly replacement typically falls between $225 and $500.
- Chimney cap installation averages $250 to $550 including the cap itself.
- Full stainless steel liner replacements run $1,800 to $3,200 depending on flue height and access.
- Fireplace repair that involves the firebox or smoke chamber can hit $900 to $2,800 when masonry work and HeatShield resurfacing are included.
- Alcott Chimney San Antonio gives every customer a written price before work begins. Call (903) 515-5079 for a free estimate.
Fireplace Services Cost Breakdown (2026)
These are the numbers our technicians see on a weekly basis across San Antonio. Every range assumes a homeowner in a typical single-family house with a masonry chimney or factory-built fireplace. If you own a home in the King William Historic District or another older neighborhood, expect repairs to land slightly higher due to age-related wear and code compliance requirements.
| Service | Typical Cost Range | What’s Included |
|---|---|---|
| Chimney Sweep (standard) | $149 – $249 | Flue cleaning, creosote removal, basic condition report |
| Chimney Sweep + Level 1 Inspection | $199 – $299 | Full sweep, accessible-component check, photo documentation |
| Gas Fireplace Repair (thermocouple / pilot) | $225 – $500 | Part replacement, gas connection check, ignition test |
| Chimney Cap Installation | $250 – $550 | Cap, mounting hardware, installation from roof or ladder |
| Damper Replacement (top-sealing) | $350 – $750 | Old damper removal, new damper, sealant, hardware |
| Flashing Repair / Leak Resolution | $400 – $900 | Flashing replacement around chimney base, waterproofing |
| Smoke Chamber Repair (HeatShield) | $800 – $2,400 | HeatShield ceramic resurfacing, parging if needed |
| Stainless Steel Liner Replacement (DuraFlex) | $1,800 – $3,200 | Liner, insulation, tee, rain cap, connection to appliance |
| Full Firebox Rebuild | $2,000 – $4,500 | Demolition, firebrick, refractory mortar, curing time |
What pushes a job to the upper end? Roof access difficulty is the big one in San Antonio. Many homes in Stone Oak and the Dominion have steep rooflines, multi-story chimneys, or clay tile roofing that requires extra care. If a technician has to work from a ladder extension on a two-story chimney with limited landing space, that adds labor time. The second driver is the condition of the existing masonry: chimneys in Helotes and Alamo Heights built before 1980 often need spot tuckpointing before a cap or damper can be seated properly.
At the lower end, a straightforward sweep on a single-story home with easy roof access typically lands right around $149 to $189. Homes with prefabricated or factory-built chimneys also sweep faster, since the flue is a smooth metal pipe rather than terra cotta tile with joints that catch creosote.
What Affects Fireplace Services Pricing in San Antonio
- Chimney age and construction material. Pre-1980 masonry chimneys in neighborhoods like Monte Vista and Monticello Park often have deteriorating mortar joints. That means more labor per repair, and occasionally the need to upgrade to current San Antonio code standards before a liner or cap can be installed.
- Number of stories and roof pitch. A two-story chimney in Stone Oak with a steep roofline is a much slower job than a single-story ranch in Harlandale. Rooftop access adds real time, and that time is reflected in the estimate.
- Creosote buildup severity. If the flue hasn’t been swept in years, or if you’ve been burning unseasoned mesquite and oak, the creosote, the tar-like buildup that causes chimney fires, can be glazed and hard to remove. A heavy glazed creosote condition can take twice as long to clean and may require chemical treatment before the mechanical sweep.
- Type of fireplace. Gas fireplaces have very different price dynamics than wood-burning. Gas repair jobs are usually lower-cost but parts-dependent. Wood-burning services are more labor-dependent. A gas fireplace with a failing pilot assembly might be a $300 fix; a wood-burning fireplace with cracked firebrick and a failing damper is rarely under $800.
- Existing damage from water intrusion. San Antonio gets intense spring and fall storm seasons. Water that has been getting behind the chimney crown and into the smoke chamber causes spalling, the condition where brick faces pop off from moisture expansion. Repairing spalled brick is a structural job, not a cosmetic one, and it lands on the higher end of any range.
- Permit requirements and code compliance. San Antonio requires permits for certain structural chimney repairs, particularly anything touching the firebox or flue liner. Pulling a permit adds cost and time, but skipping it can be far more expensive when it’s time to sell the house.
Gas Fireplace Repair Costs in San Antonio
Gas fireplace repair is one of the most common calls we get, especially heading into the late fall when San Antonio temperatures finally dip and homeowners flip the switch for the first time since March. Here’s the breakdown of what those jobs cost in 2026:
- Pilot light won’t stay lit: $225 – $400. Usually a thermocouple or thermopile replacement. This is the single most common gas fireplace issue in San Antonio.
- Burner won’t ignite or has weak flame: $275 – $550. Typically involves cleaning the burner ports, checking gas pressure, and sometimes replacing the burner assembly.
- Remote control or wall switch malfunction: $150 – $350. Includes diagnostic time, receiver replacement, and reprogramming.
- Glass door or gasket replacement: $200 – $500 per panel depending on fireplace brand and size.
- Full gas valve replacement: $500 – $900. The valve is the most expensive single component in a standard gas fireplace, and labor to access and replace it is significant.
One thing worth knowing: gas fireplaces in the San Antonio market are split between vented and vent-free models, and that affects parts pricing. Vent-free units (common in condos and apartments inside Loop 410) use different burners and ODS pilots than vented models. Parts for either are readily available through professional supply channels, but vent-free components tend to run slightly cheaper because the units themselves are simpler.
If you’re not sure what’s wrong with your gas fireplace, don’t guess. A misdiagnosed gas component can be dangerous. The techs at Alcott Chimney San Antonio trace the issue to the exact part before quoting you a replacement, so you’re never paying for a part you didn’t need. You can read more about our approach on our Fireplace Services in San Antonio page.
Chimney Sweep and Inspection Costs in San Antonio
A basic chimney sweep in San Antonio runs $149 to $249. When you add a Level 1 inspection, which is the accessible-component check recommended annually by the National Fire Protection Association, you’re looking at $199 to $299 combined. That’s the number most homeowners should budget for yearly maintenance.
A Level 2 inspection is more involved and runs $350 to $600. It includes everything from the Level 1, plus video scanning of the flue interior, attic and crawlspace access checks, and assessment of all accessible portions of the chimney structure. San Antonio homeowners should expect a Level 2 inspection when buying or selling a home, after a chimney fire, after a major weather event (hail storms in April and May are regular in Bexar County), or after any change to the heating system.
Level 3 inspections are rare and typically follow catastrophic events like a chimney fire or a partial collapse. They run $1,000+ because they may require partial demolition to access hidden components. If a Level 3 is recommended, get a second opinion before signing anything.
How often should you schedule a sweep? The general rule is once per cord of wood burned, or annually, whichever comes first. For most San Antonio homeowners who use their fireplace seasonally from November through February, an annual sweep in the early fall is the right cadence. You’ll beat the rush and have a clean flue before the first cold snap.
Chimney Cap, Damper, and Leak Repair Costs
Water is the number one enemy of a San Antonio chimney. Our spring storms drop a lot of rain in a short window, and the freeze-thaw cycle in January and February does real damage to brick that has already absorbed moisture. Here are the costs for the water-related fixes we do most often:
- Chimney cap replacement: $250 – $550. A proper chimney cap keeps rain, birds, squirrels, and debris out of your flue. San Antonio has a healthy raccoon population in neighborhoods near Salado Creek and Leon Creek, and an uncapped chimney is an open invitation.
- Top-sealing damper installation: $350 – $750. This replaces the old throat damper (the cast-iron plate just above the firebox) with a tight-sealing damper at the top of the flue. It stops heat loss through the chimney in summer, which matters when your AC is fighting 100-degree July temperatures.
- Chimney flashing repair: $400 – $900. Flashing is the metal layer that seals the joint where the chimney meets the roof. In San Antonio, flashed joints fail regularly due to expansion and contraction across our temperature swings. If you’re seeing water in the attic or staining on the ceiling near the chimney, this is the likely culprit.
- Chimney crown repair or rebuild: $500 – $1,500 depending on crown size and whether a full rebuild is needed. The crown is the concrete slab at the very top of the chimney, and it should slope away from the flue to shed water. Many older San Antonio homes have flat crowns that pool water, which accelerates damage.
If you notice water stains, efflorescence (the white powdery residue on brick), or a musty smell around your fireplace, get it checked before the next rainy season. Small leaks become structural problems when left to work through a full summer-then-winter cycle.
Liner Replacement and Major Fireplace Repairs
This is where fireplace service costs in San Antonio start to climb, and it’s also where homeowners need the most information before making a decision. A stainless steel liner replacement using DuraFlex or Olympia Chimney products typically runs $1,800 to $3,200 for a single-flue masonry chimney. That includes the liner kit, insulation wrap, tee connection at the base, rain cap, and installation labor.
When is a liner replacement actually necessary? Three main situations:
- Cracked or missing terra cotta flue tiles. The original clay liners in 1960s and 1970s San Antonio homes were built to last 40-50 years. Many of them are now at or past that service life. Cracked tiles allow heat and gases to escape into the chimney structure, which is how house fires start.
- Water entry and freeze-thaw damage. When water penetrates a clay liner and then freezes, the expansion cracks the tiles. San Antonio’s occasional hard freezes, like what we saw in 2021, accelerate this dramatically for chimneys that already had water issues.
- Appliance conversion. If you’re switching from a wood-burning fireplace to a gas insert or gas log set, code often requires a properly sized stainless liner. This protects the new appliance and matches flue diameter to the gas appliance’s exhaust volume.
For firebox rebuilds, expect $2,000 to $4,500 depending on how much firebrick needs replacement and whether the smoke chamber needs attention at the same time. Smoke chamber resurfacing with HeatShield, the ceramic coating system specified by chimney professionals for parging and sealing the chamber, typically runs $800 to $2,400 as a standalone job or as part of a larger repair.
These are real numbers based on what we see in the San Antonio market in 2026. They assume a professional company using trade-grade materials including DuraFlex, HeatShield, Gelco, Famco, and Copperfield. A handyman using a box-store liner kit can undercut these prices, but the materials and workmanship don’t hold up the same way. Liner installation in particular is not a DIY job: a poorly sealed liner fails exactly the same way a cracked clay tile does, and you can’t see the failure until it’s already damaged the chimney structure.
What Alcott Chimney San Antonio Charges
We don’t publish a one-line price list, and there’s a reason for that. Every chimney in San Antonio is in a different condition, on a different roof, with a different service history. Anyone who quotes you a flat rate without seeing your chimney is guessing.
What we do instead is simpler and fairer. We come out, look at your fireplace and chimney, and give you a written price before any work begins. That price is the price. No surprise charges at the end of the job, no “while we were in there” additions unless you approve them in writing first. This has been our standard since Alcott Chimney San Antonio was founded in 2002, and we’ve never wavered on it.
Every repair we perform carries a written guarantee. If the repair fails within the coverage period, the second visit is free. That’s the 365-Day Done Right Promise, and it’s included on every job. You don’t have to ask for it. You don’t have to pay extra for it. It’s simply how Ruben Castellano runs the business.
We also make sure you know exactly who is coming to your home before they arrive. Every Alcott technician passes a background check and identity verification before they ever step onto a customer’s property. That’s the Threshold Standard, a non-negotiable part of how we operate as part of the Threshold Group family of home-service companies. When you book with us, you’ll receive the technician’s name and photo in advance, and they’ll present a photo ID badge at the door every time. No exceptions.
If you’re ready to get a real number for your fireplace or chimney work, call (903) 515-5079. You’ll speak to a live person, 24/7, not a voicemail queue. Estimates are free, and the price we quote is the price you’ll pay.
How to Save on Fireplace Services in San Antonio
- Schedule your sweep in August or September. Chimney companies in San Antonio are busiest from October through January. Booking in late summer means you’ll beat the rush and sometimes catch off-season pricing. You’ll also have a clean chimney ready before your first fire.
- Bundle services. If you’re already having a sweep, add the inspection at the same time. The combined sweep-plus-inspection price is almost always cheaper than scheduling them separately, and the inspection catches problems before they become expensive repairs.
- Get a written multi-year maintenance plan. Some San Antonio companies, including Alcott, offer scheduled maintenance agreements that lock in pricing. If you know you’ll need annual sweeps, locking in the rate saves money over time.
- Fix small problems when they’re small. A $350 flashing repair today is a $2,000 smoke chamber repair two years from now if water keeps getting in. This is the single biggest money-saver in chimney care.
- Get multiple written estimates for major work. For liner replacements or firebox rebuilds, get at least two quotes from companies that specify which materials they’ll use. Make sure the quote names the exact product: DuraFlex vs. a generic “stainless liner” matters. A cheaper quote that doesn’t name materials is often cheaper for a reason.
For an exact price on any of the work described in this guide, call (903) 515-5079 for a free estimate. We’ll give you a number you can plan around.
FAQs – Fireplace Services Cost
How much does a chimney sweep cost in San Antonio?
A standard chimney sweep in San Antonio costs $149 to $249 for a typical single-family home. Adding a Level 1 inspection brings the total to $199 to $299. Homes with heavy creosote buildup or difficult roof access may land at the higher end. Call (903) 515-5079 for an exact quote based on your chimney’s condition.
Is it cheaper to repair or replace a gas fireplace?
Repair is almost always cheaper. Most gas fireplace repairs in San Antonio cost $225 to $550 for common issues like thermocouple replacement or burner cleaning. Replacing an entire gas fireplace with insert starts around $2,500 installed and climbs from there. Unless your firebox is cracked or the unit is over 20 years old with a dead valve, repair is the better financial call.
How much does a chimney liner replacement cost in San Antonio?
A stainless steel chimney liner replacement in San Antonio typically runs $1,800 to $3,200 depending on flue height, chimney access, and whether insulation is required. This includes the liner system, installation, and connection to the appliance. Call (903) 515-5079 for a written estimate; we specify the exact brand and materials in every quote.
Can a chimney company come out the same day?
Yes. Alcott Chimney San Antonio offers same-day availability for urgent issues like water leaks, animal entry, or gas odors. You’ll speak to a live person at (903) 515-5079, and the technician sent to your home will be someone whose name and photo you receive in advance.
How much does it cost to fix a chimney leak in San Antonio?
Chimney leak repairs in San Antonio typically cost $400 to $900 for flashing replacement, or $500 to $1,500 if the crown needs rebuilding. The exact price depends on what’s actually leaking, and the only way to know for sure is an inspection. Alcott provides written pricing before any work starts, so you’ll know the number before you approve anything.
What’s included in a chimney inspection?
A Level 1 inspection, which costs $199 to $299 in San Antonio, includes a visual check of all accessible chimney components, the flue interior where visible, and confirmation that the fireplace is structurally sound and clear of obstructions. A Level 2 inspection, at $350 to $600, adds video scanning of the flue and is recommended for home sales, storm damage, or any change to the heating system.
Get a Real Price for Your Fireplace Work
You’ve read the ranges. Now get your number. Alcott Chimney San Antonio has served San Antonio homeowners since 2002 with straightforward prices, written guarantees on every repair, and a technician vetting standard that means you’ll know exactly who’s coming to your door before they arrive. No surprises, no voicemail trees, no box-store parts passed off as professional materials. Just a real price and a job done right, backed by a 365-day guarantee.
Call (903) 515-5079 today for a free estimate. A live person will answer. You’ll get a written price before any work starts. And the chimney will be ready for whatever the San Antonio weather decides to do next.
Written by Ruben Castellano, Owner at Alcott Chimney San Antonio, serving San Antonio and Bexar County since 2002. Pricing reflects the San Antonio market as of 2026. Alcott Chimney San Antonio offers free estimates – call (903) 515-5079.
What Our Customers Say
"Good chimney cleaning. They found a small gap in the mortar and quoted the repair, which was a bit more than I wanted to spend. Did the sweep and left the repair for later without any pressure."
- Stuart L."Cap, screen, and a full inspection with photos sent to my phone. Easy to understand and a fair price."
- Tomas Y."Sweep arrived in a clean uniform with a photo ID and walked me through what he'd check. Creosote buildup was heavy on the flue, and he cleared it and put down drop cloths first."
- Harold B.