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.
Styles & brands we work with





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AfterHow Much Does Chimney Cap & Crown Cost in Round Rock?
Most Round Rock homeowners pay $350 to $550 for a single-flue cap installation, and $650 to $1,100 to rebuild a cracked masonry crown. A simple surface repair on a crown that hasn’t fully failed runs $250 to $400. On a two-flue chimney, budget closer to $650 to $850 for caps. Those ranges reflect the 2026 Central Texas market, and most of the difference between a low quote and a high one comes down to material and how much of the crown actually needs to come off.
We’re Boardwalk Chimney Sweep, and the point of this page is to give you real numbers before anyone walks onto your roof. Our crew works directly with the same brands chimney professionals specify, including Gelco, Copperfield, Olympia Chimney, and Famco, so when we talk price, we’re talking about specific stock, not a vague allowance. If a quote you’ve received is wildly outside these ranges in either direction, that’s worth a phone call before you sign.
Chimney Cap & Crown Cost Breakdown (2026)
The two jobs get bundled together all the time because they fail for related reasons and get replaced on the same visit. Here’s how the line items shake out for Round Rock homes in 2026. These ranges cover typical single-flue masonry chimneys; a tall roofline, a steep pitch, or a chimney with flue tile damage can push the number up.
| Line Item | Typical Low | Typical High | Notes |
|---|---|---|---|
| Single-flue stainless cap (factory-made) | $350 | $550 | Includes install; copper adds $150 – $250 |
| Multi-flue cap (two to four flues) | $650 | $850 | Custom sizing on the frame |
| Crown inspection & minor resurfacing | $250 | $400 | Hairline cracks only |
| Crown rebuild, standard masonry | $650 | $1,100 | Cast-in-place or formed; includes oversize overhang |
| Crown rebuild with bond break & crown coating | $1,000 | $1,450 | Best long-term result on shifting masonry |
| Crown crack sealing (single repair) | $200 | $300 | Cracked joints under 1/4-inch |
| Cap discount when bundled with a sweep | -$25 | -$50 | Ask when you book together |
In Round Rock, most of the calls we get come from two places. A new home inspection turns up a cap missing on the flue, or a ten-year-old crown shows the classic first crack on a north-facing side. Fix either one at that point and you’re in the range above. Wait until the crown cracks spread and water reaches the flue tiles, and you’re often looking at liner work on top of the crown, which changes the math entirely.
What Affects Chimney Cap & Crown Pricing in Round Rock
If two people on the same street get quotes for the same cap job and one comes in $200 higher, one of these factors usually explains it. Knowing them ahead of time helps you read a quote instead of guessing.
- Cap material. Standard stainless steel underpins our most common install. Copper caps age to a patina and last for decades, and they run $150 to $250 more. Gelco caps use heavy-gauge stainless that holds up well in the Central Texas sun; a thinner aftermarket cap can rust in three or four years and throws off any “cheap” comparison. Ask what gauge and brand the installer uses before you compare prices.
- Number of flues. A fireplace chimney with one flue takes one cap. A chimney running both a wood fireplace and a furnace vent has two, and a two-flue frame costs meaningfully more to fabricate than a single unit. This is one reason quotes from people who’ve never seen your roof aren’t worth much.
- Crown size and overhang. A proper crown overhangs the chimney by about 2 inches so water drips clear of the masonry instead of running down it. Rebuilding a crown to that standard takes more concrete and form work, but it’s what keeps Round Rock’s severe summer thunderstorms from soaking the brick through cracks at the joint. A crown poured flush with the chimney edges is a false economy.
- Access. Round Rock homes with steep rooflines, tall second-story chimneys, or tricky yard access for ladders add time and labor. We price on the actual reach and pitch, not a flat “house call” figure.
- Flue tile condition. If the crown that’s leaking has already let water into the flue tiles and they’ve spalled, that’s a separate repair. We check this before finalizing a number. When the tiles need more than a patch, HeatShield resurfacing is often the sensible call: it restores a cracked flue without the cost of a full liner replacement, and it’s a capability many sweep-only shops simply don’t have.
- Offset or complex flue. Some Round Rock chimneys don’t run straight up from the firebox. Where a rigid liner can’t navigate the offset, DuraFlex flexible liner systems allow us to reline in a configuration a rigid install can’t reach. That matters most on cap-and-crown jobs where the flue runs behind the crown framing.
How to Save on Chimney Cap & Crown
There isn’t a discount that beats catching the crack before it lets water into the flue. The savings come from sequencing the work and buying materials graded for the load they’ll carry.
Book the cap install at the same time as your annual sweep. When our crew is already up top, the extra time for a cap install is minimal, and you keep the whole job on one visit rather than paying for two. That’s the practical side of pairing services: a single call handles the sweep, the cap, and the crown repair before it becomes a liner problem.
If you’re overdue on dryer vent service, add it to the same appointment. Dryer lint build-up is a real, documented fire risk, and it’s a different job from the chimney but it’s a fast add-on when we’re already on site. One call, two fire hazards addressed, one crew.
Don’t let a cheap crown coating substitute for structural repair. A crown that’s cracked through is a foundation problem, and thin surface sealants fail in a season. A properly formed and overhanging crown is built to last the next decade, not the next inspection. Call (877) 274-1247 for a free estimate and we’ll tell you which of the two you actually have.
One more point that saves money over time: repair with manufacturer-recognized components. We source cap frames, crown materials, and lining systems from HeatShield, DuraFlex, Gelco, Olympia Chimney, Famco, and Copperfield because those brands are what inspectors look for and what warranties are written against. A generic cap and a hand-mixed crown may cost $100 less today and cost more when the next owner’s inspection flags it.
FAQs – Chimney Cap & Crown Cost
How much does a chimney crown repair cost in Round Rock? Minor crack sealing runs $200 to $300, a surface resurfacing job runs $250 to $400, and a full rebuild runs $650 to $1,100, or up to $1,450 with a bond break and crown coating. Call (877) 274-1247 and we’ll give you a definitive number after we see the crown. Estimates are free.
Is a chimney cap required in Round Rock? No code requirement forces you to install one, but a cap is the single cheapest way to keep water, birds, and debris out of the flue. A standard single-flue cap costs $350 to $550 installed. The real cost is skipping it: a flue open to weather means water in the firebox and a likely liner repair down the road.
Is it cheaper to repair or replace a chimney crown? Repair is cheaper if the crown has hairlines and is structurally sound, generally $200 to $400. If the crown has fully separated from the chimney or cracked through, replacement at $650 to $1,100 is the sound call because a repaired crown on a failed base won’t hold. We’ll tell you which one you have. Call for a free estimate.
Can you install a cap and repair the crown in one visit? Yes. We routinely handle both on the same roof visit, and most Round Rock jobs have you cap-and-crown-complete in one appointment. Booking the two together also avoids a second trip charge. Call (877) 274-1247 to schedule both together.
Do I need a liner repair if the crown was leaking? Only if the leak reached the flue tiles. We inspect the tiles before we close up a crown job, and if they’ve spalled, we’ll show you. HeatShield resurfacing often fixes a cracked flue without full replacement, and a DuraFlex liner is the option for offsets. Both are carried by suppliers the trade recognizes. A firm quote starts with a look at the flue. Call us and we’ll walk you through it.
More on Chimney Caps & Crowns
If you want the full picture on how a cap and crown work together on a masonry chimney, our Chimney Cap & Crown in Lago Vista page goes through the anatomy of a crown and what an oversize overhang actually does. When you’re ready to see where we work across the area, the home page has the service map. We repair what we inspect, which means the crew that finds the crack is the same crew that fixes it. If you’re pricing out a chimney sweep for the first time in a few years, that’s worth scheduling at the same visit as the crown.
Why Material Choice Matters More Than a Low Quote
Homeowners sometimes ask why our crown number is higher than a handyman’s. The short answer is the material and the method. A crown built to code with an overhang, a bond break, and a manufacturer-recognized topping holds up; a hand-troweled skim of mortar over a gap lasts until the next freeze. We don’t sell a warranty we can’t back, and we don’t cut corners on the part of your chimney that decides whether water gets in. When you call (877) 274-1247, we’ll give you a free estimate and tell you plainly what your crown needs and what it doesn’t.
Pricing reflects the Round Rock market as of 2026. Boardwalk Chimney Sweep offers free estimates – call (877) 274-1247.
Written by the team at Boardwalk Chimney Sweep, serving Round Rock, TX.
What Our Customers Say
"Swept it, capped it, and installed a proper damper. The downdraft smell in the summer that we'd lived with for years is gone."
— Travis Norris"Crown was cracked and taking water. Repaired it rather than quoting a rebuild, which the previous company had pushed hard for."
— Rosa Castillo"Level two inspection before we bought the house. The report was detailed enough to use as a negotiating point and he explained every photo in it."
— Steve Fletcher