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 Cleaning & Sweep Cost in San Antonio?
A standard chimney cleaning and sweep in San Antonio typically costs between $179 and $349 for a single fireplace with a standard masonry flue. Most homeowners in the San Antonio area pay around $240 on average, before any repairs or add-on services. If your fireplace has a heavy creosote buildup, an animal nest blockage, or needs a chimney cap replacement, expect the total to run higher, usually in the $400 to $800 range.
This price reflects actual San Antonio market rates for 2026. At Alcott Chimney San Antonio, every sweep comes with a written price before work starts, so you’ll never see a surprise charge after the job is done.
Chimney Cleaning & Sweep Cost Breakdown (2026)
Here’s what a chimney sweep in San Antonio actually costs, broken down by service type. These are the numbers we quote in the field, and they reflect what homeowners across the city, from Alamo Heights to Stone Oak to Helotes, are paying this year.
| Service | Typical San Antonio Price Range | What It Includes |
|---|---|---|
| Standard chimney sweep (Level 1) | $179 – $299 | Full flue brushing, creosote removal, firebox cleaning, basic visual check |
| Sweep with Level 2 inspection | $329 – $549 | Standard sweep plus video camera inspection of the flue interior |
| Heavy creosote or glaze removal | $300 – $550 | Chemical treatment or mechanical removal of hardened, tar-like creosote deposits |
| Chimney cap installation | $150 – $400 | Cap and labor, varies by flue size and roof accessibility |
| Animal or nest removal | $150 – $350 | Removal of birds, squirrels, raccoons, or nesting material blocking the flue |
| Chimney crown repair/seal | $250 – $700 | Sealing cracks in the concrete crown at the top of the chimney |
| Gas fireplace service and cleaning | $150 – $300 | Burner cleaning, log positioning, glass cleaning, safety check |
| Full chimney rebuild (worst case) | $3,000 – $8,000+ | Complete teardown and reconstruction; uncommon but necessary when spalling brick threatens collapse |
Those bottom two rows are worst-case scenarios. Most San Antonio homes fall into the top half of that table. The average first-time customer we see pays between $200 and $350 when no repairs are needed.
What pushes a price to the high end? A steep roof pitch that requires extra safety gear. A flue that hasn’t been cleaned in a decade and has a quarter inch of glaze. A chimney with two flues instead of one. We inspect then quote, so you know where you stand before any work begins.
What Affects Chimney Cleaning & Sweep Pricing in San Antonio
Chimney sweep pricing is not a flat rate. Here are the factors that move the number up or down in the San Antonio market specifically.
- Creosote level. Creosote, the tar-like residue that builds up from wood smoke, is the biggest pricing variable. Light, flaky soot brushes out fast. Heavy, shiny glaze requires chemical treatments and multiple passes, sometimes adding two hours and $150+ to the job.
- Time since the last sweep. The National Fire Protection Association recommends a sweep whenever creosote reaches 1/8 inch of buildup. In San Antonio, where many fireplaces sit unused from April through October, homeowners often forget the chimney entirely. A five-year backlog means more labor than an annual cleaning.
- Roof accessibility and pitch. San Antonio homes built in the 1970s and later, especially in neighborhoods like Castle Hills and Shavano Park, often have steep second-story rooflines. Steeper roofs mean more safety rigging and slower work, which adds to the price.
- Chimney height and flue count. A two-story stone chimney in Terrell Hills takes longer to sweep than a single-story ranch in Leon Valley. Homes with dual fireplaces or a fireplace plus a wood stove share this same multiplier.
- Blockages. Birds, squirrels, and raccoons all find San Antonio chimneys inviting. A nest removal, whether it’s a simple twig pile or a full raccoon family in the smoke shelf, adds $150 to $350 depending on what we find.
- Condition of the flue liner. Many San Antonio chimneys in 1950s-era homes still have original clay tile liners. If the liner is cracked or spalling, a sweep is not enough, and a DuraFlex stainless steel liner replacement becomes part of the conversation.
One thing that does not affect pricing at Alcott: who answers the phone or what day you call. A live person picks up 24/7, and the quote process is the same at 2 p.m. on a Tuesday as it is at 11 p.m. on a Saturday.
How to Save on Chimney Cleaning & Sweep
You don’t need to compromise safety to keep a chimney sweep affordable. Here’s how San Antonio homeowners keep costs down without cutting corners.
- Schedule during the off-season. Chimney sweeps in San Antonio are busiest from October through January. Booking in April or May, when the fireplace is dormant, often gives you faster availability and sometimes a better rate. Call us any time though, our pricing is consistent year round, and we’ll give you a written price either way.
- Do not wait until the smoke backs up. If you’re seeing smoke flow back into the room or smelling a campfire smell on warm days, the creosote is already thick. A routine sweep costs less than an emergency call with a blocked flue.
- Bundle the sweep with an inspection. If you’re due for a Level 2 video inspection, pairing it with the sweep during one visit saves a second trip charge. Ask us for a combined price.
- Fix caps and crowns early. A cracked crown lets water into the chimney. That water degrades masonry and accelerates creosote absorption. Sealing a crown at $250 to $700 now beats a $3,000+ rebuild later.
- Get multiple written quotes, then compare what is included. The cheapest bid in San Antonio often excludes the flue cap inspection, the smoke shelf cleaning, or the damper check. A written quote protects you from the $50 surprise that becomes $300 at the end. We hand you the price before any work starts, and that number does not move.
A free estimate call to (903) 515-5079 takes about ten minutes and gives you a real number, not a range pulled from a national chart.
What Does a Chimney Sweep Actually Do in San Antonio?
A proper sweep is more than running a brush up the flue. Here is the full sequence we follow on every job in San Antonio, from a sprawling two-story in Alamo Heights to a builder-grade fireplace in Westover Hills.
1. Setup and protection
The technician lays drop cloths around the hearth, connects a high-powered vacuum with a HEPA filter, and seals the fireplace opening with plastic. The goal is simple: when we leave, the only proof we were there is a clean chimney, not a dusted living room.
2. Flue inspection and brushing
Using a wire or poly brush matched to your flue’s shape and liner type, the technician scrubs from the top of the chimney down through the smoke shelf and firebox. Every stroke loosens creosote, soot, and any debris. The vacuum runs the entire time, pulling particles out of the house.
3. Smoke shelf and damper cleaning
The smoke shelf, the flat ledge just above the damper, is where San Antonio chimneys collect the most debris. Birds drop nesting material there. Years of soot pile up there. We clean it thoroughly and check that the damper opens, closes, and seals properly.
4. Firebox and hearth cleanup
We remove the ash, vacuum the firebox floor and walls, and wipe down the hearth. If you have glass fireplace doors, those get cleaned too.
5. Final visual check and written report
Before packing up, the technician examines the exterior chimney, the cap, the crown, and the flashing for signs of water damage or animal entry. You get a plain-English summary of what was found and what, if anything, needs attention.
How Often Should You Have Your Chimney Cleaned in San Antonio?
The National Fire Protection Association standard, known as NFPA 211, says chimneys should be inspected at least once a year and cleaned whenever creosote reaches 1/8 inch of buildup. For most San Antonio homeowners who burn wood fires through the winter, that means a sweep every one to two years.
San Antonio’s climate makes this more important than in colder northern cities. Our winters are mild, so fireplaces burn less frequently, often a few evenings a week from November through February. That intermittent use creates a specific creosote pattern: light smoke and lower flue temperatures, which means more condensation and faster creosote accumulation than a rager fire that burns hot and clean every night. We see this pattern most often in older neighborhoods like Olmos Park and Monte Vista, where fireplaces are original to the home but not the primary heat source.
If you burn more than three cords of wood per season, sweep annually. If you only burn decorative fires a handful of times each winter, every two years is usually sufficient, but an annual inspection is still the smart move.
How a Chimney Sweep in San Antonio Works
When you call Alcott Chimney San Antonio, a live person answers, no voicemail, no press one for English. We book a time that works for you and send a confirmation. Before the technician arrives, you’ll receive their name and photo by text or email. That’s the Threshold Standard, the identity verification protocol that every Threshold Group home-service brand follows. The person at your door will match the photo you saw. They carry a photo ID badge and will show it without being asked.
Technicians arrive in uniform, in a marked vehicle, with the tools and materials already on board. They do the job, walk you through the findings, and hand over a written report. You pay the price you agreed to before the work began. That’s it.
Ruben Castellano leads the Alcott team, and he’s built the San Antonio operation on one principle: certainty. Certain who’s at the door. Certain what the price is. Certain the work is done right. The 365-Day Done Right Promise puts that in writing. If anything we repaired isn’t right within a full year, we come back and fix it at no charge. No fine print, no service fee, no arguing.
FAQs – Chimney Cleaning & Sweep Cost
How much does chimney cleaning cost in San Antonio?
Expect to pay between $179 and $349 for a standard chimney sweep in San Antonio, with most homeowners landing around $240. If the flue has a heavy creosote glaze or a blockage, the price rises to $400 to $800. Call (903) 515-5079 for an exact quote: estimates are free, and you’ll get a written number before any work starts.
Is it cheaper to clean a chimney or replace the liner?
Cleaning is almost always cheaper upfront, at $179 to $299, but a cracked flue liner cannot be cleaned into being safe. In San Antonio, a DuraFlex stainless steel liner replacement typically runs $2,500 to $5,500 depending on chimney height and liner diameter. If your chimney has a damaged clay tile liner, spending $250 on a sweep is wasted money. That’s why our Level 2 inspection with video camera costs $329 to $549 and gives you a definitive answer.
Can a chimney sweep come to my house today?
In many cases, yes. We hold same-day and next-day slots open for San Antonio customers, including emergency calls when smoke won’t draft or an animal is trapped in the flue. The live person who answers at (903) 515-5079 can tell you what’s available right now, and emergency response is part of our 24/7 phone coverage.
What does a Level 2 chimney inspection cost in San Antonio?
A Level 2 inspection, which includes a video camera scan of the entire flue interior, costs $329 to $549 in San Antonio when paired with a standard sweep. Standalone Level 2 inspections run $200 to $400. If you’ve bought a home, experienced a chimney fire, or made changes to your fireplace, a Level 2 inspection is what most San Antonio home inspectors recommend.
Does Alcott Chimney San Antonio offer free estimates?
Yes. Every estimate at Alcott is free, and the quote is delivered in writing before any work starts. You’ll know the total price, what’s included, and what’s not, before the technician picks up a single tool. Call (903) 515-5079 to schedule yours.
Why San Antonio Homeowners Choose Alcott Chimney San Antonio
Ruben Castellano started serving San Antonio homeowners in 2002, and the operation has grown steadily since then as part of the Threshold Group family. The reason is not a secret formula. It’s this: we show you exactly who is coming to your home, we give you a firm written price before work begins, and we stand behind every job for a full year.
Every Alcott technician passes a background check and identity verification before ever stepping on a customer’s property. That is the Threshold Verified promise, and it is non-negotiable. The tech arriving at your door in Stone Oak, Alamo Ranch, or anywhere else in San Antonio has been vetted, photographed, and introduced to you by name before the visit.
We work with professional chimney trade materials that homeowners in the know look for: DuraFlex for stainless steel liners, HeatShield for flue resurfacing, Gelco and Olympia Chimney for caps and components, and Famco and Copperfield for vents and accessories. These are not box store substitutes. They are the brands chimney professionals specify.
When you call Alcott, you reach a real person. At 9 a.m. or 11 p.m., someone picks up. If your chimney smells like smoke on a random Tuesday night in the middle of a cold snap, you don’t leave a message and hope for the best. You talk to someone who can help.
If you’re ready to get your chimney swept and inspected, call (903) 515-5079 for a free estimate. We’ll send a named, verified technician to your San Antonio home, hand you a written price upfront, and finish the job with a written guarantee that lasts a full year.
Pricing reflects the San Antonio market as of 2026. Alcott Chimney San Antonio offers free estimates, call (903) 515-5079.
Written by Ruben Castellano, Owner at Alcott Chimney San Antonio, serving San Antonio since 2002.
What Our Customers Say
"Gas fireplace pilot kept going out. Cleaned the burner, replaced the thermocouple, and explained what failed. Works first try now."
- Alicia R."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.