Fast, Reliable Chimney Cap & Crown Across Hicksville
Chimney cap and crown repair in Hicksville typically runs $280-$890 depending on whether you need a simple cap replacement or full crown rebuild, and most jobs are completed in a single visit. We’re familiar with the post-war Cape Cods, ranches, and split-levels that define Hicksville’s neighborhoods, from the homes near Hicksville station down Jerusalem Avenue to the quiet streets off Old Country Road and the Cantiague Park area. Our Chimney Cap & Crown team carries the common cap sizes and crown coating materials needed for these 60-75-year-old masonry chimneys, so we don’t waste your time with return trips. Call (855) 950-3861 and a live person will answer, 24 hours a day.
Why Hearthstone Chimney Co. of New York City Is Hicksville’s Preferred Chimney Cap & Crown Company
We’ve been serving Nassau County communities for over 42 years, and Hicksville Chimney Cleaning & Sweep is our specialty, which means we arrive prepared. Our technicians are background-checked, uniformed, and trained to document every inspection with photos you can see and a plain-English verdict. Most cap and crown jobs in Hicksville finish in one visit because we’ve seen these same 1950s two-flue configurations dozens of times.
Our 90-Day Done Right Promise applies to every job in Hicksville: in writing, no arguing. If it’s not right, we come back. The number on your estimate is the number on your invoice. We’ve built our reputation on being the company that plans to be in town thirty years from now, so we treat every repair as if we’ll be driving past it for decades.
Calls are answered by a live person, not a voicemail tree, every hour of every day. When water is pouring through your cracked crown during a February freeze-thaw cycle, that matters.
Our Chimney Cap & Crown Services in Hicksville
Multi-Flue Cap Installation
Hicksville’s two-flue chimneys demand specific solutions. Many homes built between 1947 and 1965 have one flue for our Fireplace Services in Hicksville and a second for an oil burner that’s long gone. On a recent job near the Hicksville station on Jerusalem Avenue, we found that a homeowner’s original 1952 terra cotta flue had a cracked crown and an uncapped secondary flue from a removed oil burner. We sealed the abandoned flue, installed a custom multi-flue cap from Olympia Chimney, and applied a HeatShield crown coating to prevent freeze-thaw damage. A proper multi-flue cap seals every opening, stops debris and animal entry, and prevents the cold-air drafting that drives up heating bills in Hicksville’s exposed interior Nassau County winters.

Crown Repair
Chimney Repair in Hicksville often starts with the original mortar crowns on post-war homes, which are past their service life. Sixty to seventy-five years of humid continental winters, with repeated freeze-thaw cycles and salt-laden air from Long Island Sound roughly 10-12 miles north, have spalled and cracked most of them. We remove the deteriorated crown down to sound masonry, form a new concrete crown with proper drip edges and slope, and seal it against the flue with expansion joints that move with the chimney. Done right, a rebuilt crown should outlast the next generation of ownership.

Crown Coating
When the crown damage is caught early, before water has saturated the brick below, a professional-grade crown coating can add years of protection. We use HeatShield and other professional-grade materials, never builder-grade substitutes. In Hicksville, this matters especially for homes that have had oil-to-gas conversions, where improper retrofits left flues undersized for new appliances and excessive condensation now eats through standard coatings. Our crown coating application includes inspection of the underlying condition, because coating over saturated masonry is a waste of your money and our name.

Cap Replacement
Standard single-flue caps rust through, blow off in coastal wind, or were never properly sized to begin with. We measure your flue precisely and fabricate or source a replacement that fits, with stainless steel mesh that keeps animals out without clogging with creosote. For Chimney Cap & Crown in Hicksville homes with legacy terra cotta flue tiles, we verify the tile condition before capping, a cracked tile capped over will only trap moisture and accelerate deterioration.

What happens when you call
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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 Hicksville
We work exclusively with professional-grade materials from DuraFlex, HeatShield, Gelco, Olympia Chimney, Famco, and Copperfield. No builder-grade substitutes. For Hicksville’s aging chimneys, this means crown coatings that withstand interior Nassau County’s freeze-thaw cycles, multi-flue caps fabricated to exact chase dimensions, and stainless steel components that resist the accelerated oxidation from Long Island Sound’s salt-laden air. We stock the common sizes and materials needed for Hicksville’s housing stock, so most cap and crown jobs don’t wait on parts.
Common Chimney Cap & Crown Problems We See in Hicksville Homes
- Spalled mortar crowns from freeze-thaw damage. Original crowns on 1947-1965 homes have endured 60+ winters. The modest maritime influence from Long Island Sound adds enough salt to accelerate mortar deterioration, and by the time you see interior water staining, the crown is often beyond coating.
- Abandoned oil flues left uncapped at the top. Many Hicksville homes from the 1950s were built with a two-flue chimney chase. When oil systems were removed, contractors commonly bricked over the oil flue opening inside the basement without capping the flue at the top. This leaves an open, unlined shaft that drafts cold air and collects debris directly into the chimney structure. Technicians doing a routine cleaning frequently pull the damper and find an unsecured interior flue that has never been properly addressed.
- Improper flue sizing after oil-to-gas conversions. PSEG Long Island’s conversion programs left thousands of Hicksville flues either retrofitted without proper relining or simply abandoned. Undersized flues for new gas appliances produce excessive condensation that deteriorates crowns from the inside out.
- Cracked terra cotta flue tiles beneath failing caps. The original flue tiles in Hicksville’s chimneys are at or past their service life. A cap that has blown off or rusted through leaves these tiles exposed to direct water infiltration, and once water penetrates the tile, freeze-thaw cycles shatter it.
Pricing for Chimney Cap & Crown in Hicksville, NY
A standard single-flue stainless steel cap installation in Hicksville runs $280-$450. Multi-flue custom caps for two-flue chimneys, the common configuration in Hicksville’s 1950s housing stock, typically cost $480-$720 depending on chase dimensions and whether we need to seal an abandoned flue first. Crown coating with professional-grade HeatShield material ranges $340-$580 for accessible chimneys. Full crown removal and rebuild, necessary when the original mortar crown has spalled deeply or water has penetrated the brick below, runs $680-$1,240.
Factors that move you toward the higher end: multiple flues requiring custom fabrication, chimney height requiring scaffolding, extensive brick repair beneath the crown, or discovery of an uncapped abandoned flue that must be sealed before capping. We provide no-hassle upfront pricing after inspection. The number on your estimate is the number on your invoice. Estimates are free, and we offer $50 off any repair over $250, plus a permanent 5% senior and veteran discount. Call (855) 950-3861.
We Also Serve Cities Near Hicksville
Our technicians regularly work in Hicksville and the surrounding communities, including Jericho to the north, New Cassel to the west, Westbury to the southwest, and Salisbury to the east. The same post-war housing patterns, oil-to-gas conversion histories, and two-flue chimney configurations appear across these Nassau County neighborhoods, and we carry the parts and expertise to address them.
Serving Hicksville, NY - Our Local Coverage Area
We’re based in the Hicksville 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 Hicksville
Yes, you need a multi-flue cap that seals the abandoned flue permanently, not just a cap on the active fireplace flue. Leaving the abandoned flue open at the top allows rain, debris, and cold air to enter the chimney structure, accelerating crown deterioration and creating a path for carbon monoxide if the seal inside the basement ever fails. We typically seal the abandoned flue with a proper termination and install a custom multi-flue cap from Olympia Chimney that covers both flues cleanly. Call (855) 950-3861 for a free inspection and exact quote.
Often yes, improper flue sizing after conversion is a leading cause of premature crown failure in Hicksville. Gas appliances produce more water vapor than oil burners, and if the flue was not properly relined for the new appliance, that excess condensation saturates the crown from the inside, then freezes and expands during Hicksville’s cold snaps. We inspect the flue sizing and crown condition together, because coating or rebuilding a crown without addressing the underlying condensation problem guarantees early failure. Call (855) 950-3861 and we’ll diagnose both issues.
The crown is the concrete or mortar slab that covers the top of your chimney structure; the cap is the metal cover that sits above the flue opening to keep rain and animals out. On your 1960 ranch, a cracked crown is the more serious problem because it allows water directly into the masonry below, and the best cap in the world won’t stop that. We often find Hicksville homeowners who replaced a cap twice while the real problem, the deteriorating crown, went unaddressed. Crown repair or coating protects the structure; the cap protects the flue. Both need to be right. Call (855) 950-3861 for a free inspection.
Yes, we fabricate and install Copperfield custom caps to exact chase dimensions, which is often necessary for Hicksville’s non-standard two-flue configurations. Many 1950s chimneys have chase widths and flue spacing that don’t match off-the-shelf sizes, and a poorly fitted cap leaves gaps or overhangs that trap moisture. We measure on-site and specify a cap that fits your chimney, not a near-enough substitute. Call (855) 950-3861 to schedule measurement and receive upfront pricing.
The second flue served your home’s original oil burner, common in Hicksville’s post-war construction, and yes, both flues need proper termination. Many homeowners assume the abandoned flue is “sealed” because a previous contractor bricked over the basement opening, but if the top was never capped, you have an open shaft drafting cold air and collecting water. We inspect both flues, seal the abandoned one correctly, and install a multi-flue cap that protects the entire chimney structure. This is one of the most frequent issues we find in Hicksville’s 1940s and 1950s housing stock. Call (855) 950-3861 for a free inspection and estimate.
Ready to protect your chimney? Call Hearthstone Chimney Co. at (855) 950-3861 for a free estimate on chimney cap and crown work in Hicksville. A live person answers every call, 24 hours a day, and most jobs are completed in a single visit with no-hassle upfront pricing. Ask about our $50 off any repair over $250, and remember our permanent 5% senior and veteran discount.
Written by Frank Calucci, Owner at Hearthstone Chimney Co., serving Hicksville and Nassau County since 1984.