Level 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 Repair Across San Leon
Chimney repair in San Leon typically runs $340 to $1,900 depending on the job, and most repairs we quote are completed in a single visit. We’re the chimney company that puts the price in writing before a single tool comes off the truck, and every repair carries a written 365-Day Done Right Promise. If it’s not done right, we come back at no charge, no argument. Call (830) 251-4560 for a free estimate, and a live person answers, day or night.
San Leon sits on a low-lying peninsula off Galveston Bay where bay humidity and salt-laden onshore air attack masonry and metal chimney parts year-round. That’s not marketing talk. It’s what we see on nearly every inspection. Rusted caps, corroded flashing, and soft spalling brick show up here even on chimneys that have barely been burned in. If you live off Bayshore Drive, 5th Street, or anywhere near the shoreline, your chimney is fighting a saltwater environment that inland Galveston County chimneys never face.
Why Flint Chimney Sweep Is San Leon’s Preferred Chimney Repair Company
We’re part of the Garrison Partners family, founded in 2002, and we run every San Leon job under the same Garrison Standard: written price first, documented scope, background-checked and uniformed technicians, and a guarantee in writing. Hank Delano leads our team, and when you book with us, you know exactly who is walking through the door.
San Leon homeowners call us because we don’t hand over a price verbally and then “discover” problems after the work starts. The number on your invoice is the number you approved. That’s non-negotiable. Our Chimney Repair team stocks parts that San Leon’s salt air destroys fastest: copper and stainless flashing, replacement caps, and crown sealant. We’re not waiting on a supplier when your chimney is leaking into the attic.
Dispatch and scheduling for San Leon are coordinated from our Dallas-Fort Worth office, with crews serving San Leon locally. A live person answers the phone 24 hours a day, 7 days a week. No voicemail trees, no callback forms, no waiting until Monday.
Chimney Liner Installation in San Leon
Chimney liner installation in San Leon is the repair we recommend most often on bayfront homes, and it typically runs $1,100 to $1,900 depending on flue size and access. The liner is the inner pipe that channels smoke and hot gases safely out of the house. When salt moisture and years of light burning have eaten through an old clay liner, exhaust leaks into the chimney cavity instead of leaving the house. That’s a carbon monoxide risk, and it’s not something a sweep can brush away.
When a Liner Fails
We see two patterns in San Leon. Homes where the owner burns fires only on the few cold nights each winter often have flues that look fine from the top but are cracked mid-chamber, where the temperature swings are worst. Bayfront homes, especially anything within a quarter mile of the water, get accelerated corrosion on the metal flue joints. A camera scope tells us which situation you have, and you see the photos before you approve anything.
Materials We Use
For liner work we specify DuraFlex or HeatShield, depending on the flue shape and whether the existing liner is clay or metal. These are professional trade brands with published specifications, not whatever the supplier had on sale. We’ll tell you plainly if your liner can safely wait another season, because sometimes it can. When it can’t, the written quote is on the table before any work begins.
Chimney Flashing Repair in San Leon
Chimney flashing repair in San Leon runs $340 to $850 for most homes, and it’s the first repair we check when a customer calls about a leak near the fireplace. Flashing is the metal seal where the chimney meets the roofline. Salt air and bay-driven wind attack it constantly. When flashing fails, rainwater follows the chimney down into the attic, the walls, and the firebox, and the damage compounds with every storm.
What Salt Air Does to Flashing
On bayfront San Leon homes, especially along Avenue K and the streets closer to the water, galvanized flashing rusts far faster than it would ten miles inland. We replace it with copper or heavy-gauge stainless, because those materials stand up to a salt-laden environment for decades instead of a few seasons. A visual inspection from the roof is the only reliable way to know if the flashing has failed, and our techs photograph what they find.
The Repair That Stops the Leak
On a bayfront place off Avenue K near the San Leon shoreline, we pulled a badly rusted cap and found a cracked chimney crown letting bay-driven rain run straight down the flue. Our tech installed new Copperfield flashing and a replacement crown, then camera-scoped the flue and wrote up the joint we couldn’t safely seal that visit, with a flat number to come back for it. That’s how we work in San Leon: show you the damage, quote the fix, and stand behind it for a full year.
Trusted Brands We Service in San Leon
We work with professional-grade chimney products from HeatShield, Gelco, Olympia Chimney, Famco, Copperfield, and DuraFlex, selected by the job, not by margin. For San Leon’s salt-air conditions, we typically reach for Copperfield flashing and HeatShield or DuraFlex liner systems. Our technicians stock common repair parts for San Leon jobs, which means fewer return trips waiting on a distributor. When we install a brand, you can verify its specifications independently, because we’ll name it in your written quote and in the work report.
Common Chimney Repair Problems We See in San Leon Homes
- Rusted caps and damper hardware. Salt-laden air off Galveston Bay corrodes exposed metal chimney parts year-round, even when the fireplace has been dormant. We replace rusted caps with stainless or copper and free up dampers that have frozen shut from corrosion.
- Cracked crowns and spalling brick. Crown cracks let bay-weather rain soak the smoke chamber and brickwork. Over years, the brick face begins to pop and crumble, a repair we handle with mortar repointing, spalling brick replacement, and resurfacing with Gelco or Olympia Chimney products.
- First-degree creosote turning into third-degree tar. San Leon’s humidity combines with occasional, light burns to push soft creosote toward a glazed tar that a brush cannot remove. That’s a chimney fire risk and a reason not to assume a rare-use chimney is a clean chimney.
- Stuck or clogged flue liners and poor drafting. Years of light or seasonal burning hide blockages and deteriorated liner sections. The only way to see them is with a camera scope, which is standard on our inspections in San Leon.
Pricing for Chimney Repair in San Leon, TX
Here are the numbers we quote most often in San Leon, so you never have to call just to learn the ballpark. A standard chimney sweep and inspection runs $180 to $340. Mortar repointing and tuckpointing runs $400 to $1,000. Chimney flashing repair runs $340 to $850. Spalling brick repair runs $600 to $1,400. Chimney waterproofing runs $350 to $800. Chimney rebuilding runs $1,800 to $4,000. Liner installation runs $1,100 to $1,900. What moves the number: roof access difficulty, flue size, how much masonry is deteriorated, and whether we’re matching an existing brick pattern. Every quote is written, flat, and delivered before work begins. Call (830) 251-4560 and we’ll give you the same treatment on the phone.
We Also Serve Cities Near San Leon
Flint Chimney Sweep serves San Leon and the surrounding region, including Houston, San Antonio, Dallas, and Fort Worth. If you own property in more than one city, or if you’re relocating and need a chimney inspection before purchase, let us know. The same written-price rule and 365-Day Done Right Promise apply on every job.
Serving San Leon, TX - Our Local Coverage Area
We’re based in the San Leon 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 Repair in San Leon
Yes, because San Leon’s salt air and humidity damage chimneys that are never used. A fireplace that hasn’t been lit in two years can still have a rusted cap, failed flashing, a cracked crown, or a flue that’s deteriorated from moisture inside. A camera inspection catches those before they become a leak or a carbon monoxide problem. Call (830) 251-4560 to book an inspection, and we’ll give you an honest read on whether any repair is actually needed.
First-degree creosote is soft, flaky soot that brushes away easily. Second-degree is a harder, granular coating that takes more work to remove. Third-degree is a glazed, tar-like coating that a brush cannot remove and that burns like fuel, which is the direct cause of most chimney fires. In San Leon’s humidity, first-degree creosote often hardens into second- or third-degree even with light seasonal use. If we find glazed creosote, we’ll tell you what removal actually requires and quote it flat, no scare tactics.
Yes. We give you a written price before any work starts, on every job, no exceptions. For repair work that requires an inspection first, the inspection is priced up front, and any repair quote is written and delivered before tools come off the truck. The number on the invoice is the number you approved. Call (830) 251-4560 for a free estimate.
No. If your liner is safe, we say so and leave it alone. If we recommend a liner, you will see the camera footage that shows why, and the recommendation comes with a written quote you can think about. We don’t use a sweep as a sales call. If a liner can wait another season, we’ll tell you that in plain words. Call (830) 251-4560 if you want a straight answer on the condition of your liner.
In San Leon, most homes need some form of masonry or metal repair every few years whether they burn fires or not. A cleaning is an annual event if you burn at all. Repair is driven by what the salt air and bay weather have done: flashing, caps, crowns, brickwork. The only reliable way to know is an inspection with a camera scope. After the inspection, you’ll get a straight answer on what needs fixing now, what can wait, and what everything costs. Call (830) 251-4560 to schedule.
Written by Hank Delano, Owner at Flint Chimney Sweep, serving San Leon, TX under the Garrison Standard since 2002.





Before
After
Before
After
Before
After