Fast, Reliable Chimney Cap & Crown Across Forest Hills
Chimney cap and crown repair in Forest Hills, NY typically costs $340-$890 depending on whether you need a standard cap replacement or a full crown rebuild with custom fabrication. Most Forest Hills homes we service are completed in a single visit, with same-day or next-day scheduling available throughout the 11375 zip code and surrounding Queens blocks. Call (855) 950-3861 and you’ll reach a live person, 24 hours a day, who can dispatch our Chimney Cap & Crown team to your Forest Hills home.
We’ve been working in Forest Hills for over 42 years. We know the difference between a routine cap swap on a 1940s rowhouse near Yellowstone Boulevard and a full crown restoration on a century-old Tudor in Forest Hills Gardens where the architectural review board must sign off before we even apply for a NYC DOB permit. That local knowledge keeps jobs moving and homeowners out of violation territory.
Why Hearthstone Chimney Co. of New York City Is Forest Hills’s Preferred Chimney Cap & Crown Company
Forest Hills homeowners call us because we understand the dual-approval reality of this neighborhood. In Forest Hills Gardens, the private architectural review board predates the NYC DOB by decades, and any exterior chimney work must satisfy both bodies. Out-of-neighborhood contractors learn this the hard way when a stop-work order halts their project mid-repair. We bring that sequence up front, every time.
Our reputation here is built on documented work. Every inspection ends with photos you can see and a plain-English verdict. No jargon, no scare tactics. Frank Calucci established that standard when he founded Hearthstone in 1984, and it’s how we still operate in Forest Hills today.
Response time to Forest Hills averages same-day or next-day from our New York City base. Technicians arrive in uniform, background-checked, with professional-grade materials from Copperfield, Gelco, and DuraFlex already on the truck. Most jobs finish in one visit. The number on your upfront estimate is the number on your invoice.
Our 90-Day Done Right Promise covers every cap and crown job in Forest Hills. In writing, no arguing. If it’s not right, we come back. A company that plans to be in town in thirty more years acts accordingly.
Our Chimney Cap & Crown Services in Forest Hills
Custom Cap Fabrication
Forest Hills Gardens ARB approval often requires matching existing exterior metalwork, including downspout color and profile. We fabricate custom caps in copper, stainless steel, and powder-coated aluminum to meet those specifications. Our shop can replicate the dark bronze finish common on pre-war Tudor Revival homes along Ascan Avenue and Greenway Terrace, ensuring your cap passes architectural review on the first submission.
Custom caps in Forest Hills typically run $520-$1,200 installed, depending on metal choice, flue count, and ARB-matching requirements. We handle the approval documentation as part of our standard process.

Crown Coating & Restoration
Queens straddles the 32°F freeze-thaw threshold dozens of times each winter. That cycle aggressively spalls mortar joints and concrete crowns on Forest Hills’s exposed brick chimneys, especially the century-old masonry in the Gardens where original terra cotta liners were never designed for modern gas exhaust temperatures.
We apply Gelco crown coating to rebuild deteriorated crown surfaces without full demolition. A typical crown coating in Forest Hills costs $340-$580. For severely spalled crowns, we may recommend a full rebuild with proper slope and overhang, which runs $680-$890. Either way, the work is documented with before-and-after photos and covered by our 90-Day Done Right Promise.

Multi-Flue Cap Installation
Many Forest Hills homes, particularly the 1920s-1940s rowhouses near Continental Avenue and the pre-war co-ops along Queens Boulevard, have multiple flues serving separate fireplaces or former furnace connections. Oversized multi-flue caps installed without accounting for the original coal-era flue layout can block proper draft and cause carbon monoxide spillback.
We measure every flue opening, calculate total net free area, and select multi-flue caps from DuraFlex and Gelco that maintain proper draft while keeping squirrels, rain, and debris out of your Forest Hills chimney. Multi-flue cap installations range from $420-$760 depending on size and mounting requirements.

Cap Replacement & Crown Repair
Standard single-flue cap replacement on a Forest Hills rowhouse or detached Tudor runs $180-$340. Crown repair, when the crown is cracked but structurally sound, runs $280-$520. We only know which you need after inspection, and our $89 Seasonal Tune-Up includes a full Level-2 camera inspection with photos you can see.
We recently replaced a deteriorated terra cotta crown on a Tudor Revival home on Ascan Avenue in Forest Hills Gardens, where the original coal-era flue had been crudely converted for gas, leaving the oversized terracotta liner exposed to freeze-thaw spalling. We installed a custom copper multi-flue cap that matched the existing dark bronze downspout color approved by the ARB, and used a Gelco crown coating to seal the rebuilt crown - all while coordinating the sequential approvals to avoid a stop-work order.

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 Forest Hills
We stock professional-grade materials from Copperfield, Gelco, and DuraFlex on every truck serving Forest Hills. These are not builder-grade substitutes. When your ARB approval specifies a particular finish or profile, we source from manufacturers who can deliver consistent color matching and documented specifications for your permit package. That means faster turnaround on approved materials and no waiting for special orders from out-of-state suppliers. For crown coating work, we specify Gelco for its flexibility in freeze-thaw conditions, which matters more in Forest Hills than in milder climates.
Common Chimney Cap & Crown Problems We See in Forest Hills Homes
- Freeze-thaw spalling on century-old crowns. Queens winters cycle above and below freezing repeatedly, forcing moisture into cracked crown concrete, then expanding it. Forest Hills Gardens chimneys built in the 1910s-1920s suffer most because their original terra cotta crowns were never designed for modern gas appliance exhaust temperatures that accelerate thermal stress.
- ARB violations from mismatched replacement caps. Improperly sized replacement caps that don’t match ARB-approved door styles or colors trigger violations in Forest Hills Gardens, forcing removal and replacement at homeowner expense. We see this several times a year from homeowners who used unlicensed contractors or attempted DIY installation.
- Draft blockage from oversized multi-flue caps. Oversized multi-flue caps installed without accounting for the original coal-era flue layout can block proper draft and cause carbon monoxide spillback in the surrounding pre-war rowhouses. This is especially dangerous in the attached brick homes near 71st Avenue where flues are often only 8-10 inches apart.
- Efflorescence and liner cracking from coastal moisture. Proximity to Jamaica Bay and the Atlantic accelerates efflorescence and liner cracking in Forest Hills chimneys that already carry more than a century of deferred maintenance. A proper cap installation is the first defense; crown coating seals the second.
Pricing for Chimney Cap & Crown in Forest Hills, NY
Here’s what Forest Hills homeowners can expect for chimney cap and crown work in 2025:
| Service | Typical Range in Forest Hills |
|---|---|
| Single-flue cap replacement (standard) | $180 - $340 |
| Multi-flue cap installation | $420 - $760 |
| Custom cap fabrication (ARB-matched) | $520 - $1,200 |
| Crown coating (Gelco) | $340 - $580 |
| Crown rebuild with new concrete | $680 - $890 |
| Level-2 inspection with photos | $89 (Seasonal Tune-Up) |
What moves the number: ARB-matching requirements for custom metalwork, accessibility of the chimney on multi-story Tudors, and whether the flue needs relining before capping. We provide no-hassle upfront pricing after inspection. The number on the estimate is the number on the invoice. Call (855) 950-3861 for a free estimate - we’ll come to your Forest Hills home, document the condition with photos you can see, and give you a plain-English verdict.
Standing offers: $50 off any repair over $250, free second opinion on any written estimate, $89 Seasonal Tune-Up, and a permanent 5% Senior and Veteran discount.
We Also Serve Cities Near Forest Hills
Our technicians work throughout central and eastern Queens, including Forest Hills neighbors in Rego Park, Kew Gardens, Kew Gardens Hills, and Corona. The same live-answer phone, same documented inspections, same 90-Day Done Right Promise applies whether you’re in a 1930s co-op near Yellowstone Boulevard or a postwar ranch in Corona.
Serving Forest Hills, NY - Our Local Coverage Area
We’re based in the Forest Hills 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 Forest Hills
Yes. Any exterior chimney modification in Forest Hills Gardens requires pre-approval from the private Forest Hills Gardens Corporation architectural review board before you can apply for a NYC DOB permit. This dual-approval requirement is unique to this planned community and does not exist elsewhere in Queens. We coordinate both approvals as part of our standard process, submitting ARB documentation first, then filing DOB permits only after approval is granted. Call (855) 950-3861 and we’ll walk you through the sequence for your specific property.
The ARB typically approves copper, stainless steel, and powder-coated aluminum in finishes that match existing exterior metalwork, particularly downspout color and profile. Dark bronze and black are the most common approved colors on Tudor Revival homes. We fabricate custom caps to these specifications and include material samples and finish documentation in your ARB submission. Generic galvanized steel or mismatched colors are routinely rejected.
Original crowns on Forest Hills’s century-old chimneys were built with concrete mixes that lack modern waterproofing admixtures, and they’re exposed to Queens’s aggressive freeze-thaw cycling. Crown coating with a flexible sealant like Gelco bridges hairline cracks, sheds water, and accommodates thermal movement without cracking again. It’s often the difference between a $400 coating and an $800 rebuild two winters later.
Yes, in nearly all Forest Hills cases. We remove only the deteriorated crown surface, clean and prepare the substrate, and pour a new sloped crown with proper overhang and drip edge. Full chimney removal is only necessary when the structure is structurally compromised, which we can determine during our Level-2 camera inspection. Most crown rebuilds on Forest Hills Tudors and rowhouses are completed in a single day.
In Forest Hills Gardens, an unpermitted exterior chimney modification can trigger a stop-work order, ARB violation notice, and required removal of the unapproved cap at your expense. The Gardens Corporation actively monitors visible exterior changes. Even outside the Gardens, NYC DOB requires permits for crown rebuilds and structural chimney work. We handle all permitting as part of our standard service - no shortcuts, no surprises.
Written by Frank Calucci, Owner at Hearthstone Chimney Co., serving Forest Hills and New York City since 1984.