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
- Sweep & inspection
- Caps & crowns
- Flue relining
- Masonry repair
- Gas fireplace service
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AfterHow Much Does Chimney Cap & Crown Cost in Mountain View?
A chimney cap and crown replacement in Mountain View typically runs $385 to $1,450 for both components together, with most single-family homes landing near $650 to $900. A standard stainless-steel cap alone costs $185 to $420 installed, while a poured or rebuilt concrete crown runs $300 to $850 depending on crown size and flue count. These are 2026 numbers for the Mountain View market, where pre-1960 Eichler and ranch-style homes make up a large share of the housing stock and often carry crowns that have been patched more than once.
We size and quote each job on site because crown condition varies street to street. The ranges below come from our own quotes across Mountain View, not from a national pricing survey.
Chimney Cap & Crown Cost Breakdown (2026)
| Line Item | Typical Range (Installed) | Notes |
|---|---|---|
| Standard stainless-steel single-flue cap | $185 – $320 | Most common replacement for a single fireplace flue |
| Multi-flue stainless cap (2-3 flues) | $320 – $520 | Common on older homes with a furnace flue plus fireplace flue |
| Copper cap (single flue) | $420 – $680 | Copperfield-style fabricated cap; premium material, longer service life |
| Copper multi-flue cap | $680 – $1,100 | Custom fabrication sized to the crown |
| Concrete crown rebuild (single flue) | $300 – $520 | Remove failed crown, form, and pour new sloped crown |
| Concrete crown rebuild (multi-flue) | $480 – $850 | Larger footprint, more formwork |
| Crown repair with sealant or coating | $150 – $340 | For hairline cracks only; not a fix for structural failure |
| Crown wash / masonry repointing at top | $220 – $460 | Often paired with a crown rebuild |
| Cap + crown package (single flue) | $385 – $780 | Most common all-in quote |
| Cap + crown package (multi-flue) | $620 – $1,450 | Includes crown rebuild and multi-flue cap |
What pushes a quote toward the top of these ranges: a crown that has cracked through to the flue tile, a second-story roofline that requires more ladder setup and safety rigging, a custom cap size for a non-standard flue, and a masonry crown that has to be demolished rather than patched. What keeps it low: a cap-only replacement on a sound crown, or a crown with minor surface cracking that a proper masonry coating will hold.
We don’t quote national averages. Mountain View homes cluster around a specific set of construction eras – mid-century Eichlers, 1970s ranches, and newer infill – and each one presents the crown differently. Eichler-era homes in particular often have a low-profile crown tied into a shallow masonry shoulder, which changes how a cap is anchored.
What Affects Chimney Cap & Crown Pricing in Mountain View
- Crown condition and material. A poured concrete crown in good shape that only needs a new cap costs a fraction of a crown that has cracked through and allowed water into the masonry. Once water gets behind the crown, the repair moves from coating to demolition and rebuild.
- Number of flues. A single fireplace flue is simple. A fireplace flue plus a furnace or water-heater flue on the same chimney means a wider crown and a larger fabricated cap – both move the price up.
- Roof pitch and access. Steep-pitch roofs and homes with tight side-yard setbacks mean more setup time and more safety rigging. Mountain View’s older neighborhoods have plenty of both.
- Cap material. A stock stainless-steel cap and a custom copper cap are different products with different lifespans. Copperfield-style copper caps cost more up front and typically outlast galvanized caps by decades. We stock the industry-grade lines – DuraFlex, HeatShield, Gelco, Olympia Chimney, Famco, and Copperfield – so the cap is sized to the flue, not improvised from what a hardware store had on the shelf.
- Whether the crown is tied to a liner fix. If the flue tile is cracked under the crown, the crown rebuild often pairs with a Chimney Cap & Crown in Mountain View and liner assessment. HeatShield resurfacing can restore a deteriorated liner without a full reline in the right conditions.
- Local weather. Mountain View gets far less rain than San Francisco, but the summer dry season and the occasional wet winter swing is hard on masonry crowns. A crown that dried out and cracked over five dry summers often fails on the first real rain event of the season.
How to Save on Chimney Cap & Crown
The single biggest saver is catching a crown before it fails. A $150 to $340 coating job on a hairline-cracked crown protects the masonry; wait until the crack opens and you’re looking at a $480 to $850 rebuild. We recommend an annual inspection to check the crown and cap at the same time as the sweep.
- Bundle the cap and crown. A cap installed during a crown rebuild is cheaper than a separate cap visit.
- Pair the work with a chimney sweep. If you’re due for a cleaning, having us on the roof once for inspection, sweep, and repair saves a second trip charge.
- Ask about a multi-flue cap if you have two flues. A single fabricated multi-flue cap is often cheaper than two separate caps.
- Don’t buy a hardware-store cap to save money. A poorly fitted cap that doesn’t seal the flue lets water and animals in and costs more to remove and replace.
- Get a written quote for the crown, not just the cap. If the crown is cracked, the cap alone won’t stop the leak. Ask for both numbers on one estimate.
We offer free estimates on cap and crown work – call (866) 596-8327 and we’ll schedule a visit. We sweep, repair, and reline, so the person who quotes the crown is the same team that does the work.
Why Cap and Crown Work Happens Together
A cap and a crown fail for the same reason: water. The cap keeps rain and animals out of the flue; the crown sheds water off the top of the chimney and away from the masonry. When the crown cracks, water gets behind it and into the brick. When the cap is missing or loose, water gets into the flue and the firebox. Most of the crown damage we see in Mountain View traces back to a missing or undersized cap at some point in the home’s history – often decades ago, before the current owner bought the house.
That’s why we don’t quote a cap as a cosmetic item. If we’re on the roof for a cap and the crown has cracks, we show you the crack and quote both. If the crown is sound and only the cap is missing, that’s a much smaller job and we say so.
The other reason these belong together: crown work is the only point where we can check the flue tile from the top down. A crown rebuild on a chimney with a deteriorated clay tile liner is a chance to evaluate HeatShield resurfacing as an alternative to full relining. HeatShield restores the liner from the inside, which is a different product category from a flexible liner like DuraFlex, and not every sweep offers it. We do.
Chimney Cap & Crown Cost in Mountain View: What to Ask Before You Book
- Is the crown being rebuilt or coated? These are not the same job and the price difference is real. Ask which one is being quoted.
- Is the cap sized to the flue? A cap that sits loose or is oversized for the flue will let water in.
- Is the flue tile checked? A crown rebuild over a cracked flue tile is a wasted rebuild. Ask whether the liner was inspected from the top.
- Who does the masonry work? We handle sweep, repair, and reline with the same team. No handoff to a separate mason.
- What’s the warranty on the crown? Common practice is to offer a workmanship warranty on a poured crown. Ask for it in writing.
Our home page covers the full set of services so you can see how cap and crown work fits alongside sweeping and dryer vent cleaning. If you have a gas fireplace or a dryer vent that hasn’t been cleaned in years, we can often handle both in one visit.
Dryer Vents and Cap Work in the Same Visit
Most homeowners don’t realize their dryer vent has the same failure mode as a chimney: restricted airflow, heat buildup, and a fire risk that builds slowly. We clean dryer vents alongside chimney work because we’re already on site and the inspection logic is the same. We work with Famco components for dryer vent systems so a damaged or undersized vent is corrected properly rather than patched with improvised parts.
If you’re booking cap and crown work, ask whether your dryer vent has been cleaned in the last two years. It’s a separate line item but a common add-on, and both jobs benefit from being done by one company on one schedule.
FAQs – Chimney Cap & Crown Cost
How much does a chimney cap cost in Mountain View?
A basic stainless-steel single-flue cap installed in Mountain View costs $185 to $320. A multi-flue cap runs $320 to $520, and a custom copper cap ranges from $420 to $680 for a single flue. Call (866) 596-8327 for an exact quote – estimates are free.
How much does a chimney crown rebuild cost in Mountain View?
A concrete crown rebuild in Mountain View typically costs $300 to $520 for a single flue and $480 to $850 for a multi-flue chimney. A crown with only hairline cracks can sometimes be sealed for $150 to $340, but a cracked-through crown needs a rebuild, not a coating. Call (866) 596-8327 to have your crown assessed.
Can you install a cap and rebuild the crown in one visit?
Yes, in most cases. A single-flue cap and crown rebuild is usually a one-visit job. Multi-flue crown rebuilds and custom copper caps sometimes require a second visit for fabrication. Call (866) 596-8327 and we’ll tell you what your roof requires.
Is it cheaper to repair or replace a chimney crown?
Repair is cheaper when the damage is surface-level: $150 to $340 for a masonry coating versus $300 to $850 for a rebuild. Once the crack reaches the flue tile or the crown has separated from the chimney, repair doesn’t hold and replacement is the correct call. Call (866) 596-8327 for an honest read on which one your crown needs.
Do I need a cap if I have a crown in good condition?
Yes. A crown sheds water off the chimney top but does nothing to keep rain, birds, or debris out of the flue. A cap costs $185 to $320 for a single flue and is the cheapest protection against the water damage that eventually cracks the crown. Call (866) 596-8327 to bundle a cap with your next sweep.
Book a Free Cap and Crown Estimate in Mountain View
We sweep, repair, and reline – one company, one call. That means the person who inspects your crown and cap is the same team that rebuilds and installs, with no handoff to a separate mason. We work with the product lines pros trust – DuraFlex, HeatShield, Gelco, Olympia Chimney, Famco, and Copperfield – so a crown rebuild or liner restoration is sized correctly, not improvised. If your crown is cracked, your cap is missing, or your dryer vent hasn’t been cleaned in years, call (866) 596-8327 for a free estimate. We diagnose and fix, not just inspect and leave.
Pricing reflects the Mountain View market as of 2026. Chimney Sweep Mountain View offers free estimates – call (866) 596-8327.
What Our Customers Say
"Thorough sweep and a clear report. He was running late from the job before and arrived near the end of the window, though he did call to warn me."
- Beatriz Martinez"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."
- Dana Whitaker"Fireplace had never drawn properly since we moved in. He found the damper was only opening halfway due to a bent linkage and fixed it in ten minutes."
- Carlos Castillo