Fast, Reliable Chimney Cap & Crown Across Jericho
Chimney cap and crown repair in Jericho typically runs $280–$1,850 depending on whether you need a simple cap replacement or full crown rebuild, and most jobs are completed in a single visit. If you’re seeing water stains on your ceiling near the fireplace, crumbling mortar at the chimney top, or a rusted cap that’s come loose, the damage is already progressing past the point where waiting saves money.

We’ve been driving to Jericho from Bridgeport for eight years now — up the Merritt, across 25A, through Syosset and into the 11753 zip. Anthony Perez leads every job personally, and we know these chimneys: the mid-century split-levels off Cherry Lane, the raised ranches along Whitson Road, the colonials tucked behind Jericho Turnpike. They’re good houses, solidly built, but their chimneys are 50–70 years old and showing the specific wear patterns of Long Island’s oil-to-gas conversion era. When you call (833) 719-7193, you’re talking to the person who’ll actually be on your roof.
Why Premier Chimney Cleaning Connecticut Is Jericho’s Preferred Chimney Cap & Crown Company
Eight years, one specialty. That’s the difference. We’re not handymen who “also do chimneys” — our Chimney Cap & Crown team handles nothing but flue systems, and Anthony Perez shows up to every Jericho job himself. No subcontractor rotation, no seasonal crew you can’t name.
800+ homeowners have reviewed us at a 4.7-star average. That volume matters — it means we’ve diagnosed and fixed the exact failure pattern your chimney is showing, probably more than once this season. We know the 11853 pocket near the Jericho Preserve sees slightly more wind-driven rain exposure than the 11753 core. We know the split-levels off Maple Avenue were built with 8-inch terracotta liners never meant for gas exhaust.
Our response time to Jericho is typically same-day or next-day. We carry Gelco and Copperfield caps in common sizes, plus custom-fabrication specs for the multi-flue setups common on Jericho’s larger colonials. When you’re staring at a water stain spreading across drywall, that speed matters more than a coupon.
Our Chimney Cap & Crown Services in Jericho
Crown Repair
Crown repair is what we do most in Jericho, and for a specific reason. The original concrete crowns on these 1950s–70s masonry chimneys were poured thin and without proper overhang or drip edge. After fifty winters of Long Island freeze-thaw — those repeated sub-freezing nights followed by 40-degree afternoons every January — the concrete spalls, cracks, and lets water straight into the brick courses below.
We stopped a hidden flue collapse in a 1961 split-level on Cherry Lane. The original terracotta liner from the oil burner was so eaten away by condensate that a new crown couldn’t seat; we installed a custom multi-flue cap and relined the primary flue with DuraFlex before the damaged crown could rain debris into the firebox. Crown repair in Jericho runs $450–$920 for standard resurfacing, $1,100–$1,850 if we need to form and pour a new structural crown.
Cap Installation & Replacement
Cap installation in Jericho isn’t always straightforward. The post-war ranches and raised ranches here often have single flues with deteriorated terra cotta tops, which means the cap can’t just clamp on — we need to build up a secure seat first. Copper or steel caps installed 20 years ago on Jericho colonials corrode from salt-laden Sound air plus acorn acid, then leak badly; we replaced 17 caps on Whitson Road this season alone.
A standard stainless cap with screen for Jericho homes runs $280–$480 installed. Custom caps for oversized or irregular flues — common on the pre-1970 colonials — run $550–$890.
Multi-Flue Cap
Jericho’s larger colonials and some split-levels have two or even three flues: one for the heating appliance, one for the fireplace, sometimes a third for a former oil burner now abandoned. Multi-flue caps cover the entire chimney top with one fabricated steel shelter, eliminating the weak points between individual caps where water always finds a way in.
We spec these with Copperfield galvanized or stainless stock, measured to your chimney’s exact dimensions. Typical multi-flue cap installation in Jericho: $680–$1,240 depending on chimney width and access height.

Custom Cap Fabrication
When your flue is oversize, off-center, or paired with a vent that can’t be moved, custom fabrication is the only clean solution. We measure on-site, spec the cap in 24-gauge stainless or copper, and typically have it installed within a week. Custom caps in Jericho start around $720 and run to $1,400 for complex multi-opening designs with integrated dampers.
Crown Coating
For crowns with minor cracking but sound structure, we apply HeatShield crown coating — a flexible, breathable membrane that bridges hairline cracks and sheds water without trapping vapor. It’s not a permanent fix for a crown that’s already spalling deeply, but for Jericho homeowners catching the problem early, it extends service life 5–8 years at $340–$520.
What happens when you call
- 1
A real person answersNo phone trees — you reach a local pro.
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You get an upfront price rangeHonest numbers before anyone is dispatched.
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A background-checked tech heads outLicensed & insured, dispatched right away.
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You approve before work beginsNothing starts until you say go.
Trusted Brands We Service in Jericho
We don’t use hardware-store caps that’ll rust through in three seasons. For Jericho installations, we stock Gelco stainless caps in standard flue sizes, source Copperfield and Famco multi-flue covers for the larger colonials common off Jericho Turnpike, and spec DuraFlex relining when condensate damage has compromised the flue beneath the crown. Having these materials on-hand means we don’t leave your chimney open while waiting for parts — critical during Jericho’s wet March-April shoulder season when water intrusion accelerates.
Common Chimney Cap & Crown Problems We See in Jericho Homes
- Freeze-thaw crown cracking on post-war ranches. The wide crown joint between original brick and a new gas flue liner cracks from freeze-thaw, letting water run down and spall the top three courses. We see this pattern weekly in the 1950s ranches near the Jericho Preserve.
- Hidden terracotta liner collapse from gas conversion. The 8-inch terracotta flues on Maple Avenue homes were never designed for today’s slower, cooler gas exhaust; acidic condensate eats the mortar joints unseen until the liner buckles and blocks draw. By then, the crown is often compromised too.
- Salt-air corrosion of older metal caps. Copper or steel caps installed 20 years ago on Jericho colonials corrode from salt-laden Sound air plus acorn acid, then leak badly. The corrosion is always worse on south-facing exposures toward the water.
- Efflorescence signaling active water penetration. That white powder on your chimney face isn’t just cosmetic — it’s dissolved minerals being pushed out by water moving through the masonry. The source is almost always a failed crown or missing cap, and in Jericho’s aging housing stock, it’s a warning of accelerated deterioration.
Pricing for Chimney Cap & Crown in Jericho, NY
| Service | Typical Range in Jericho |
|---|---|
| Standard stainless cap (single flue) | $280 – $480 |
| Custom cap (fabricated) | $720 – $1,400 |
| Multi-flue cap (installed) | $680 – $1,240 |
| Crown coating (HeatShield) | $340 – $520 |
| Crown repair / resurfacing | $450 – $920 |
| Full crown rebuild (formed concrete) | $1,100 – $1,850 |
What moves you up or down within these ranges? Height and roof access matter — a two-story colonial with steep pitch takes longer than a single-story ranch. The condition of the flue top affects whether we can seat a cap directly or need to build up a new shoulder. And if we’re already up there for crown work, adding the cap saves on mobilization.
We don’t quote over email without seeing the chimney. But we don’t charge to look, either. Call (833) 719-7193 and we’ll schedule a free estimate — usually within 24 hours for Jericho.
We Also Serve Cities Near Jericho
Our route coverage runs the Nassau County corridor — we regularly cap and crown chimneys in Hicksville (similar post-war stock, same liner issues), Syosset (split-level concentration), Plainview (ranches with original oil flues), and New Cassel (older masonry needing crown rebuilds). Same-day response applies throughout the area.
Serving Jericho, NY — Our Local Coverage Area
We’re based in the Jericho 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 Jericho
Yes — your oversized flue runs cooler now, and without a properly screened cap sized to reduce effective opening, you’ll get excessive condensation and downdrafts. We typically spec a smaller-opening cap or a multi-flue design with integrated damper to slow exhaust velocity and keep rain out. The original oil-era cap, if it’s even still there, is almost certainly wrong for the job. Call (833) 719-7193 — we’ll measure and spec the right cap during a free estimate.
Repair the crown if the concrete is sound but cracked; cap alone if the crown is actively spalling or separating from the brick. In Jericho’s 50–70-year-old chimneys, we find the crown is too far gone about 60% of the time — the freeze-thaw cycles and salt air have destroyed the bond. Anthony will show you photos from the roof and give you an honest call. Crown repair runs $450–$920; full rebuild is $1,100–$1,850. Either way, the cap goes on after.
A multi-flue cap for a typical Jericho split-level runs $680–$1,240 installed, depending on chimney width and whether we need to rebuild deteriorated shoulders first. The split-levels near Cherry Lane and off Maple Avenue often have paired flues with uneven heights from decades of partial repairs — we measure everything on-site and fabricate to fit. Call (833) 719-7193 for exact sizing and pricing.
It’s a problem — efflorescence means water is moving through your masonry and dissolving minerals, which requires both a water source and a pathway. On Jericho chimneys, the culprit is almost always a cracked crown or failed cap letting water into the top courses. Left alone, that water freezes, expands, and spalls the brick face. The fix is addressing the crown and cap, not washing the stain. We see this exact pattern on south- and west-facing exposures toward Long Island Sound where wind-driven rain is heaviest.
Only if the crown is genuinely sound — no cracking, no spalling, proper slope and overhang. In eight years of inspecting Jericho chimneys, Anthony finds that maybe 30% of crowns in this age housing stock qualify. The rest have hidden cracking, inadequate drip edges, or thin pours that were substandard even when new. We won’t install a new cap over a failing crown — it’s a waste of your money and our reputation. The free estimate includes a full crown assessment; you’ll know exactly what you’re dealing with before any work starts.
Written by Anthony Perez, Owner at Premier Chimney Cleaning Connecticut, serving Jericho and Nassau County since 2016.