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 Cap & Crown Cost in San Marcos?
In San Marcos, a chimney cap installation typically runs $185 to $650, and a chimney crown repair or rebuild usually falls between $300 and $1,400 depending on how much of the crown is damaged. A single visit that replaces both a rusted cap and a cracked crown most often lands around $450 to $1,200. Concrete crown rebuilds on a large masonry chimney at the high end of that range; a simple stainless cap swap sits at the low end.
Those are installed prices, not parts prices. The cap and crown are the first line of defense on your whole flue system, and in San Marcos they take a specific beating: summer UV, spring hailstorms, and the humidity that rolls up from the San Marcos River corridor all work on metal and mortar year after year. A cap that’s rusted through or a crown that’s cracked lets water straight into the masonry, where it freezes, expands, and starts costing real money. Replacing them while the damage is small is the cheap version of this job.
Key Takeaways
- A basic chimney cap installed in San Marcos: $185 to $650.
- A crown repair (sealing and patching): $300 to $700.
- A full crown rebuild on a masonry chimney: $700 to $1,400.
- Cap plus crown done together: $450 to $1,200.
- Custom caps for oversized or odd-shaped flues cost more; standard caps sit at the low end.
Free estimates are the norm for this work. Call (866) 472-2513 and we’ll put real numbers on your specific chimney before anyone touches a ladder.
Chimney Cap & Crown Cost Breakdown (2026)
Here’s how the pieces price out in the San Marcos market for 2026. Every chimney is different, so treat these as working ranges, not a quote. The full line-item breakdown:
| Work Item | Typical San Marcos Range | What’s Included |
|---|---|---|
| Standard single-flue cap (galvanized or stainless) | $185 – $350 | Materials, install, basic fit to flue |
| Multi-flue cap | $350 – $650 | Larger footprint, custom sizing |
| Custom or oversized cap (Gelco / Copperfield) | $400 – $800 | Fabricated to odd flue dimensions, top-tier materials |
| Crown sealing / hairline crack repair | $300 – $700 | Cleaning, crack fill, flexible sealant over existing crown |
| Full crown rebuild | $700 – $1,400 | Remove damaged crown, pour new concrete crown with overhang and drip edge |
| Crown rebuild + new cap | $450 – $1,200 | Combined job, single visit, single crew |
| Chimney chase cover (for manufactured / gas fireplaces) | $350 – $750 | Stainless or copper chase cover, sealed to the chase top |
| Cap removal / reinstall for a sweep | $0 – $75 | Usually bundled into the sweep |
What pushes you toward the high end? Three things, mostly. First, access: a chimney on a steep-pitch roof or one that needs scaffolding or a taller ladder adds labor, and in San Marcos that includes the two-story homes clustered in neighborhoods like Willow Creek and the older housing stock near downtown. Second, material: a stainless cap from Gelco or Copperfield costs more than a galvanized off-the-shelf unit, but it holds up for decades instead of rusting out in five years. Third, crown condition: a hairline crack that gets sealed is a $400 job; a crown that’s spalled and separating from the flue is a rebuild at $1,000 or more. The longer you wait on either, the more likely a small cap-and-crown ticket turns into a masonry repair.
What Affects Chimney Cap & Crown Pricing in San Marcos
The San Marcos climate and housing mix shape these numbers more than most homeowners expect. Here’s what drives the price:
- Hail and storm exposure. This part of Central Texas gets hail that dents and cracks metal caps and chips mortar crowns. A cheap cap will show damage within a couple seasons here; a stainless cap takes it. If you’ve had a hailstorm knock out your roof, have the cap checked at the same time.
- River-corridor humidity and temperature swings. Homes near the San Marcos River and in the lower parts of town see more moisture cycling through masonry. Crowns on north-facing chimneys stay damp longer, and that’s where we find the deepest cracks. Water that gets in, freezes on a cold night, and expands is what splits a crown apart.
- Masonry type and flue count. A single-flue brick chimney is straightforward. A large multi-flue chimney or a stone-faced one means a bigger crown, more material, more time. Manufactured fireplaces with a chase cover price differently than masonry.
- Cap material. Galvanized, stainless, and copper all sit at different price points. Copper looks great but costs more. Stainless is the practical middle: strong, long-lived, and what most trade suppliers stock.
- Access and roof pitch. Steep roofs, tall chimneys, and tight side yards add labor and safety time. This is honest work that has to be done safely from height.
- What else we find. A cap and crown visit is a look at the whole top of the chimney. Cracked flue tile or a deteriorated mortar wash often turns up at the same time, and fixing it now beats a second trip and a bigger bill later.
How to Save on Chimney Cap & Crown
There’s no coupon that beats catching the problem early. A cap and crown looked at while the damage is hairline-deep is a few hundred dollars; the same chimney a few wet seasons later can be a masonry rebuild. Practical ways to keep this affordable:
- Fix the cap before the crown. A failing cap lets water and debris in. Replacing a rusted cap early often stops the crown from cracking in the first place.
- Bundle the work. If the cap and crown both need attention, doing them in one visit usually costs less than two separate trips.
- Get the chimney swept and inspected at the same time. A professional chimney sweep and inspection is a diagnostic visit, and we’re already on the roof looking at the cap and crown. Problems found during a cleaning can be diagnosed and fixed in the same relationship instead of handed off.
- Choose the right material once. A stainless or copper cap that lasts decades is cheaper over time than replacing a galvanized one every few years.
- Ask for a free estimate. We’ll give you real numbers on what your cap and crown actually need, with no pressure. Call (866) 472-2513.
Frequently Asked Questions – Chimney Cap & Crown Cost
How much does a chimney cap cost in San Marcos?
A standard installed chimney cap in San Marcos costs $185 to $350; a multi-flue or custom cap runs $350 to $800. The price depends on flue size, material, and roof access. Call (866) 472-2513 for an exact quote, and estimates are free.
How much does chimney crown repair cost?
Sealing a hairline-cracked crown in San Marcos typically costs $300 to $700, while a full crown rebuild runs $700 to $1,400. The difference comes down to how much of the crown has failed. Call (866) 472-2513 to have yours looked at before it gets worse.
Is it cheaper to repair the crown or rebuild it?
Repair is cheaper up front at $300 to $700 versus $700 to $1,400 to rebuild, but only if the crown is still structurally sound. A crown that’s separating from the flue or heavily spalled needs a rebuild; sealing over it just hides the problem. We tell you which one you actually need. Call (866) 472-2513.
Can you install a chimney cap and repair the crown in the same visit?
Yes, usually in a single visit, and the combined job typically runs $450 to $1,200. Doing both together saves a second trip and lets us make sure the cap is sitting right on a solid crown. Call (866) 472-2513 to set it up.
Why does the crown matter so much in San Marcos?
The crown is the concrete top that sheds water away from the flue, and in San Marcos’ humidity and temperature swings a cracked crown lets water into the masonry, where it does the most damage. A sound crown is the difference between a few hundred dollars now and a masonry repair later. Call (866) 472-2513 for a free look at yours.
Why Homeowners Call Oakgrove Chimney Sweep for Caps and Crowns
We’re a full-service chimney specialist, not a sweep-only crew. Cap and crown work is one part of a scope that also covers cleaning and structural repair, which means when an inspection turns up a failing crown or a cracked flue, we can fix it in the same service relationship. Your flue is a combustion system, and we treat the top of it the same way we treat the inside: as something to diagnose, not just clean.
We source materials from professional trade brands, not hardware-store substitutes. Our caps and covers come from Gelco and Copperfield; venting components from Famco; and when a damaged or undersized flue turns up during a cap-and-crown visit, we work with DuraFlex flexible liner systems and are certified to apply HeatShield liner resurfacing, a professional-grade repair most general handymen can’t perform. That’s the difference between stocking what serious contractors rely on and grabbing whatever’s on the shelf. You can read more about our approach on our Chimney Cap & Crown in San Marcos page.
We also clean dryer vents as a core safety service, performed by chimney-trained specialists who understand combustion pathways, not a separate duct-cleaning company. Sweep, inspect, repair, one company and one crew.
Contact Oakgrove Chimney Sweep
If your cap is rusted, your crown is cracking, or you simply don’t know the condition of the top of your chimney, we’ll take a look and give you a straight answer with real numbers. Call (866) 472-2513 for a free estimate in San Marcos. We’ll tell you what we find and fix what needs fixing.
Pricing reflects the San Marcos market as of 2026. Oakgrove Chimney Sweep offers free estimates, call (866) 472-2513.
What Our Customers Say
"Creosote buildup was worse than I realized. He measured it, showed me the glazing on the flue with the camera, and was honest that we were closer to a chimney fire than I wanted to hear."
— Hector Garcia"Swept it, capped it, and installed a proper damper. The downdraft smell in the summer that we'd lived with for years is gone."
— Alma Salazar"Crown was cracked and taking water. Repaired it rather than quoting a rebuild, which the previous company had pushed hard for."
— Neil Novak