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 Cap & Crown Across Yorktown Heights
Chimney cap and crown repair in Yorktown Heights typically costs between $280 and $1,200 depending on whether you need a simple cap replacement or full crown rebuild, and most jobs are completed in a single visit. If your chimney is leaking, drafting poorly, or showing cracked mortar at the top, a failing cap or crown is the likely cause. Call us at (914) 409-9387 for a free estimate with upfront pricing.
We’ve been working on chimneys in Yorktown Heights for decades. We know the 1960s-1980s colonials off Crompond Road, the split-levels near the Taconic Parkway exits, and the older farmhouses tucked back on wooded lots toward Teatown Lake. Our crews are dispatched from our New York City office, but we serve Yorktown Heights directly - no subcontracted referrals, no out-of-state call centers. When you call, a live person answers, 24 hours a day, 7 days a week.
Why Hearthstone Chimney Co. Is Yorktown Heights’s Preferred Chimney Cap & Crown Company
Yorktown Heights homeowners tend to stay in their houses for twenty, thirty, forty years. They’ve heard the hard-sell before. They want photos they can see, a plain-English verdict, and a number on the estimate that matches the number on the invoice.
That’s how we’ve operated for over 42 years. Our Level-2 camera inspections end with photos you can see and a written report you can keep. If we find a cracked clay-tile liner or glazed creosote above the smoke chamber, we show you before we recommend anything. No camera evidence, no upsell. The 90-Day Done Right Promise backs every job in writing - if it’s not right, we make it right, no arguing, no paperwork chase.
Our technicians are background-checked and uniformed, and most cap and crown jobs in Yorktown Heights are completed in a single visit. We carry Gelco and Olympia Chimney caps on the truck, so we’re not ordering parts and making you wait. And our no-hassle upfront pricing means the quote we give is the price you pay.
Our Chimney Cap & Crown Services in Yorktown Heights
Cap Installation
New cap installation in Yorktown Heights runs $280-$550 for a standard single-flue stainless unit, with multi-flue caps ranging $450-$850 depending on stack dimensions. Many Yorktown Heights homes built during the 1970s subdivision boom have multi-flue chimneys that were never properly capped - just a terra-cotta flue tile sticking up past a crumbling mortar wash. We measure on-site and fit Gelco or Olympia Chimney stainless caps with proper clearance and screen mesh to keep out Teatown’s heavy squirrel and raccoon population without choking draft.

Cap Replacement
Cap replacement in Yorktown Heights typically costs $220-$480. The old cap is often rusted through, wind-damaged, or improperly sized from a previous install. On wooded lots near Teatown Lake Reservation, we’ve found caps clogged with leaf debris and creosote flakes that backed up draft and sent smoke into living rooms. We remove the failed unit, inspect the flue opening and crown surface underneath, and install a replacement that actually fits.

Crown Repair
Crown repair in Yorktown Heights ranges $450-$950 for crack sealing and partial rebuild, or $1,000-$1,800 for full crown demolition and pour. Yorktown Heights’ elevation puts chimneys through longer, deeper freeze-thaw cycles than southern Westchester, so original 1960s-1980s mortar crowns crack faster here. Meltwater and snowmelt wick into those cracks, freeze overnight, and spall the crown surface into gravel. We grind out damaged material, rebuild with proper slope and drip edge, and seal with flexible crown coating that moves with the masonry.

Crown Coating
Crown coating as preventive maintenance runs $280-$450 and adds 5-10 years of serviceable life to a sound but weathered crown. We use professional-grade flexible sealers - not hardware-store brush-on paint - that bridge hairline cracks and shed water without trapping moisture. For Yorktown Heights chimneys already showing early cracking, this is often the difference between a maintenance visit and a full rebuild two winters later.

Multi-Flue Cap
Multi-flue cap installation in Yorktown Heights costs $550-$1,100 depending on stack footprint and mesh specification. These are essential for the center-hall colonials and split-levels that dominate Yorktown’s post-Taconic build-out, where two or three flue tiles share a single chimney chase. A single-flue cap slapped on one tile leaves the others exposed. We fabricate and install custom-fit multi-flue covers with proper height clearance and lateral support.

Custom Cap
Custom cap fabrication for oversized farmhouse flues, decorative pots, or non-standard stack dimensions runs $750-$1,500 in Yorktown Heights. The early-20th-century farmhouses scattered through the northern Yorktown woodlands often have unlined flues 12×16 inches or larger, with no off-the-shelf cap available. We measure, spec, and install Copperfield custom caps with proper screen height and storm collar integration.

What happens when you call
- 1
A real person answersNo phone trees - you reach a local pro.
- 2
You get an upfront price rangeHonest numbers before anyone is dispatched.
- 3
A background-checked tech heads outLicensed & insured, dispatched right away.
- 4
You approve before work beginsNothing starts until you say go.
Trusted Brands We Service in Yorktown Heights
We install and service Gelco, Olympia Chimney, Famco, and Copperfield caps and components - professional-grade materials, no builder-grade substitutes. We stock common Gelco and Olympia Chimney multi-flue sizes for Yorktown Heights’s typical 9×13 and 13×13 flue configurations, which means most cap replacements don’t require a second trip. For custom work or unusual farmhouse flues, we spec Copperfield through our supplier with typical turnaround of three to five business days. Every installation carries our 90-Day Done Right Promise in writing.
Common Chimney Cap & Crown Problems We See in Yorktown Heights Homes
- Cracked crowns from freeze-thaw at elevation. Yorktown Heights sits higher than communities to the south, so chimneys here endure more freeze-thaw cycles per winter. Original mortar crowns from the 1970s and 1980s absorb meltwater during the day, freeze overnight, and spall apart by March. We rebuild with proper slope and overhang, then seal with flexible coating.
- Green-wood creosote eating mortar joints. Homeowners burning self-cut oak and maple from storm-damaged lots near Teatown produce acidic, sticky creosote that attacks mortar crowns and flue joints from the inside out. Third-degree glazed deposits can render a clay-tile liner unsalvageable if neglected. A proper cap won’t fix creosote damage, but it keeps rain from compounding the problem while we address the real issue.
- Improperly sized single-flue caps on multi-flue stacks. The split-levels off Crompond and Mohansic Avenue often have two flue tiles with a cap covering only one. Wind-driven snow and rain pour into the exposed flue, saturating the smoke chamber and damaging interior masonry. We replace these with correctly sized multi-flue caps.
- Rusted-through galvanized caps from the 1990s. Big-box caps installed twenty years ago have finally failed. We find them collapsed onto the flue tile, blocking draft and trapping moisture. We upgrade to stainless steel with lifetime warranty against rust-through.
Pricing for Chimney Cap & Crown in Yorktown Heights, NY
| Service | Typical Range in Yorktown Heights |
|---|---|
| Single-flue cap installation | $280 - $550 |
| Single-flue cap replacement | $220 - $480 |
| Multi-flue cap installation | $550 - $1,100 |
| Custom cap (oversized flue) | $750 - $1,500 |
| Crown crack sealing / coating | $280 - $450 |
| Crown partial rebuild | $450 - $950 |
| Full crown demolition and rebuild | $1,000 - $1,800 |
What moves the price: crown size and accessibility, whether the flue tile needs resetting, and whether we find hidden damage once the old cap is off. We inspect with camera before quoting - no surprises on the bill. Senior and veteran discounts of 5% apply. Call (914) 409-9387 for a free estimate.
We Also Serve Cities Near Yorktown Heights
Our Chimney Cap & Crown in Yorktown Heights crews also work in Katonah, Bedford Hills, Mount Kisco, and Ossining. Same standards, same brands, same upfront pricing. If you’re in northern Westchester and your chimney cap or crown is showing age, we’re the call to make.
Serving Yorktown Heights, NY - Our Local Coverage Area
We’re based in the Yorktown Heights 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 - Chimney Cap & Crown in Yorktown Heights
You likely need both addressed, but not in one blind upsell. We start with a Level-2 camera inspection to see if the liner is cracked at the crown line, which is common in 1970s Yorktown colonials after decades of freeze-thaw. If the tile is sound, a proper cap and crown seal may be all you need. If we find cracks or glazed creosote, we show you the video and explain your options - including whether the damage can be coated or whether relining is genuinely necessary. Call (914) 409-9387 for an exact assessment - estimates are free.
Yorktown Heights’ higher elevation means more freeze-thaw cycles than lower Westchester communities, and original mortar crowns weren’t formulated for that stress. Water enters hairline cracks, expands when frozen, and widens the damage each cycle. A proper rebuild with slope, drip edge, and flexible crown coating breaks that loop. Call (914) 409-9387 and we’ll inspect what’s left of your crown.
It changes everything. Green, unseasoned hardwood produces acidic, sticky creosote that glazes into third-degree deposits a standard brush won’t remove. That creosote attacks mortar joints and crowns from inside the flue while external moisture attacks from above. On a wooded lot off Teatown Road, we pulled a rusted-through single-flue cap off a 1974 split-level’s masonry stack and found the original clay-tile liner cracked at the crown line, with glazed third-degree creosote down past the smoke chamber from two seasons of green storm-damaged oak. We mounted a Gelco multi-flue stainless cap on a rebuilt mortar crown, coated it with flexible crown sealer, and documented the cracked tile on camera for the homeowner before recommending any relining - nothing was upsold that the video didn’t show. If you’re burning self-cut wood, annual inspection is not optional. Call (914) 409-9387.
The crown is the concrete or mortar slab that tops your masonry chimney, sloped to shed water. The cap is the metal cover that sits above the flue opening, keeping out rain, animals, and debris while letting smoke escape. If your crown is cracked, a cap alone won’t stop water infiltration. If your cap is missing or rusted, your flue is open to every storm. Most Yorktown Heights homes we see need both addressed, but we inspect before we specify. Call (914) 409-9387 for a free evaluation.
Annually, without exception. Yorktown Heights fireplaces and wood stoves run more months per year than southern Westchester systems, and the combination of elevation-driven freeze-thaw and green-wood creosote accelerates damage. The National Fire Protection Association recommends annual Level-2 inspection for any chimney serving a solid-fuel appliance. We document every inspection with photos and a plain-English verdict. Call (914) 409-9387 to schedule - estimates are free.
Ready to stop the leaks, drafts, and water damage? Call Hearthstone Chimney Co. at (914) 409-9387 for a free chimney cap and crown estimate in Yorktown Heights. Our Chimney Cap & Crown team will inspect with camera, show you what we find, and quote upfront before any work begins. Live person answers every call, 24 hours a day, 7 days a week.
Written by Russell Haines, Owner at Hearthstone Chimney Co., serving Yorktown Heights and northern Westchester since 1984.





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