Chimney Cap & Crown in Larchmont - Made to Fit, Priced in Writing

Fast, Reliable Chimney Cap & Crown Across Larchmont

Chimney cap and crown repair in Larchmont typically runs $340-$1,200 depending on whether you’re replacing a corroded metal cap, repairing a cracked mortar crown, or installing a full cast crown with drip edge. Most Larchmont jobs are completed in a single visit, and we dispatch to the village from our New York City office with crews that know the local housing stock. Call (516) 927-2678 - a live person answers, day or night.

Call (516) 927-2678

We’ve been working on Larchmont chimneys for over 42 years. We know the difference between a 1920s Tudor on Larchmont Manor with original terracotta flue liners and a mid-century Colonial near Palmer Avenue with its first cap replacement. That local knowledge changes what we look for, what we recommend, and what materials we bring. Salt air from Long Island Sound doesn’t negotiate with galvanized steel. Neither do we.

Why Hearthstone Chimney Co. Is Larchmont’s Preferred Chimney Cap & Crown Company

Our reputation in Larchmont was built one chimney at a time - mostly through neighbors telling neighbors after we documented a problem with photos they could see and explained it in plain English. We don’t sell. We show. The 90-Day Done Right Promise backs every job in writing: if it’s not right, we come back. No paperwork, no arguing.

Calls from Larchmont reach a live person 24 hours a day, 7 days a week. Not voicemail. Not a callback queue. Our background-checked, uniformed technicians carry the parts and materials to complete most cap and crown jobs in a single visit, and our no-hassle upfront pricing means the number on the estimate is the number on the invoice.

We coordinate dispatch from our New York City office, but our crews serve Larchmont locally. They know that a Palmer Avenue chimney and a Larchmont Manor chimney, three minutes apart by car, can face radically different conditions depending on which side of the house faces the Sound.

Our Chimney Cap & Crown Services in Larchmont

Cap Installation

New cap installation in Larchmont demands material choices that inland Westchester doesn’t. A standard galvanized cap that might last a decade in Scarsdale can pit through in a few seasons on a Sound-facing Larchmont chimney. We stock stainless steel caps from Gelco and Olympia Chimney for Larchmont installations, with copper and custom options for historic homes where the cap needs to complement original architecture. Our Chimney Cap & Crown team measures each flue precisely - single-flue, multi-flue, or custom-fabricated - and installs with proper clearance and secure mounting that won’t lift in a nor’easter.

Cap Replacement

This is our most frequent cap service in Larchmont, and for a specific reason. Galvanized caps on waterfront chimneys corrode predictably. We see it every spring after winter’s freeze-thaw cycles have accelerated the damage. Replacement starts with removing the failed cap, inspecting the flue and surrounding crown for hidden damage the leaking cap allowed in, then fitting a stainless or copper replacement sized to the actual flue opening. We carry common sizes for Larchmont’s typical flue dimensions, so most replacements happen same-day.

Crown Repair

The mortar crown is the chimney’s roof. In Larchmont, Sound-facing crowns take a beating that the street-facing side doesn’t. Salt spray raises ambient humidity, freeze-thaw cycles force water into micro-cracks, and the crown delaminates from the top down. We repair with CrownCoat or similar professional-grade flexible sealants for minor cracking, or remove and pour a new cast concrete crown with integral drip edge when the structural integrity is gone. Every crown repair includes inspection of the underlying brick and flue liner - we won’t seal over damage that needs addressing.

Crown Coating

For Larchmont chimneys where the crown is sound but weathering has opened hairline cracks, crown coating extends service life without full replacement. We use HeatShield and other professional-grade flexible coatings formulated for freeze-thaw resistance. The application requires dry conditions and proper surface prep - we schedule around Larchmont’s weather patterns and never coat over active leaks or structural cracks. A coating done right buys years. Done wrong, it hides problems until they’re expensive.

Custom Cap

Larchmont’s pre-WWII homes weren’t built to standard dimensions. Original flues in Tudor Revival and Colonial Revival chimneys often need custom-fabricated caps. We measure on-site, specify in stainless or copper from Famco or Copperfield, and install with proper ventilation and spark-arrestor screening. Custom work costs more than stock. It also lasts longer and fits correctly, which matters on a chimney that’s already working harder than its inland counterparts.

Multi-Flue Cap

Many Larchmont Manor homes have multiple fireplaces served by a single chimney structure. A multi-flue cap protects all flues with one properly engineered cover, eliminating the gaps between individual caps where water and wildlife enter. We size and install multi-flue caps with adequate height and ventilation for each flue’s draft requirements.

Trusted Brands We Service in Larchmont

We work exclusively with professional-grade materials - no builder-grade substitutes. For Larchmont’s corrosive coastal environment, that means stainless steel and copper caps from Gelco, Olympia Chimney, and Famco; crown repair products from HeatShield; and flashing components from Copperfield. We stock the sizes and configurations common to Larchmont’s housing stock, which keeps turnaround short. If your chimney needs something custom, we specify it precisely and install it when it arrives. No guessing, no “close enough.”

Common Chimney Cap & Crown Problems We See in Larchmont Homes

• Galvanized caps pitting through on Sound-facing exposures. A cap that looks fine from the street can be paper-thin on the water side. We find this every spring on Larchmont Manor chimneys. Stainless replacement is the only lasting fix.
• Mortar crowns cracking asymmetrically - water side first, street side later. The crown looks sound from the ground while the Sound-facing half has delaminated. Our Level-2 camera inspection catches this before water enters the flue system.
• Flashing and counter-flashing corroding at the roof-to-chimney junction. Salt air attacks the galvanized steel components that inland chimneys ignore. Once flashing fails, moisture enters the smoke chamber and accelerates creosote-related deterioration in terracotta liners.
• Original 1920s-1940s terracotta flue liners cracked by decades of thermal cycling. A failed cap or crown lets water in; freeze-thaw expands the crack. The root cause is often cap or crown failure that went unaddressed.

Pricing for Chimney Cap & Crown in Larchmont, NY

We Also Serve Cities Near Larchmont

Our crews work throughout southern Westchester. If you’re in Mamaroneck, New Rochelle, Pelham, or Tuckahoe, the same technicians, same materials, and same 90-Day Done Right Promise apply. We coordinate Chimney Cap & Crown in Larchmont and surrounding towns from our metro office, with local knowledge of each community’s housing stock and conditions.

FAQs - Chimney Cap & Crown in Larchmont