Lloyd Harbor chimneys do the hardest heating work in the country - months of steady wood fires, deep cold, and freeze-thaw cycling on brick that is often a century old. Our sweeps clean thoroughly, inspect on camera, and leave the flue safe for the long season ahead.
Your information is kept private and used only for your chimney service request.
The six services Lloyd Harbor homeowners call us for most - from a flue heavy with a winter of creosote, to mortar opened by hard freeze-thaw. Everything on this page is chimney in Lloyd Harbor, NY — the work, the local conditions and the coverage.
Sweep & Cleaning
Chimney Sweep
The full professional sweep: rotary brushes scrub the flue from top to bottom while a HEPA vacuum keeps every speck of soot sealed in — the visit that keeps a chimney safe to burn in. In Suffolk County, where many flues serve both a fireplace and a furnace, the sweep report covers the whole stack. That is chimney sweep in Lloyd Harbor, NY, done the way it should be.
Get a free estimate
Sweep & Cleaning
Chimney Cleaning
Creosote, soot and ash removed from the flue, smoke shelf and firebox — the deep clean that kills the campfire smell and the fire risk with it. It is why chimney cleaning in Lloyd Harbor, NY keeps getting recommended to neighbors.
Get a free estimate
Repair
Chimney Repair
Any chimney, any problem — leaks, cracks, crumbling brick, bad draw. Around Lloyd Harbor, older masonry most often needs repointing, crown work and firebox repairs, diagnosed in that order. Diagnosed on camera first, then repaired properly with the right materials. That is chimney repair in Lloyd Harbor, NY, done the way it should be.
Get a free estimate
Inspection & Care
Chimney Inspection
A full inspection of flue, liner, cap, crown, flashing and firebox — camera inside the flue, with a plain-language report of what is safe, what is not, and what can wait. Booked in the fall, the inspection is the safety check that makes the first fire of the season a formality. For chimney inspection in Lloyd Harbor, NY, one call books the visit and a local tech takes it from there.
Get a free estimate
Install & Replace
Chimney Cap Installation
A quality stainless cap keeps rain, birds and sparks where they belong. Fitted to your flue, secured properly, and screened against animals. In Lloyd Harbor, a fitted stainless cap keeps wet snow and storm rain out of the flue through the whole freeze-thaw season. Chimney Cap Installation in Lloyd Harbor, NY runs on one standard: done properly, checked, and shown to you before we leave.
Get a free estimate
Repair
Chimney Liner Repair
Cracked tiles, gaps at the joints, a liner that is shifting — liner faults found on camera and repaired so hot gases stay inside the Lloyd Harbor flue where they belong. That is chimney liner repair in Lloyd Harbor, NY, done the way it should be.
Get a free estimateNeed something else — a damper, a blower, a smoke problem, a bird in the flue? We cover all 27 fireplace specialties. Call (888) 258-0797 and describe it.
Winter in Lloyd Harbor is long and hard, the housing stock is old, and many chimneys predate modern liner standards entirely. This is what we actually find here, and what we check on every visit.
Water enters mortar joints and crown cracks across Lloyd Harbor, freezes hard, expands and pries the masonry apart a little further with every cycle. By late winter the evidence is spalling brick, open joints and leaks that were hairlines back in the fall.
A Lloyd Harbor fireplace is often real heat, burned nightly for months, and steady burning in a cold masonry flue lays down creosote layer on layer. That buildup is the fuel in a chimney fire, which is why annual sweeping here is safety work, not housekeeping.
Ice dams at the roof edge push meltwater under shingles and against chimney flashing all winter in Suffolk County. The leak that shows by the fireplace in February often starts at frozen flashing, not the flue - and it returns every thaw until it is fixed.
Where salt air reaches Lloyd Harbor - the shore towns and harbor neighborhoods - stainless caps, dampers and liner tops corrode years faster than they do inland. The failure is quiet: a seam opens, rain follows, and the flue starts taking water every storm.
Lloyd Harbor sits in Suffolk County, and the ZIP list at the bottom of this page covers 1 serviceable ZIP codes — 11743 through 11743. The closest served neighbors are Woodbury, Northport, Mill Neck, and every one of them is covered by the same crews, the same day, under the same number: (888) 258-0797.
Same-day service, free estimates, licensed & insured — and a flue you can see on camera, clean from top to bottom.
Serious enough to fix before another winter. Mortar is the sacrificial layer that keeps water out of the brickwork, and freeze-thaw in New York opens failed joints fast once they start. Repointing sound brick is a repair; waiting until bricks loosen and shift turns it into a rebuild.
Not before a full camera inspection. Chimney fires crack tiles, warp metal liners and open mortar joints, often with no sign visible from the room. In Suffolk County we inspect the entire flue after any chimney fire and report exactly what is damaged before anyone burns again.
Yes - in many Lloyd Harbor homes the furnace, boiler or water heater vents through its own flue in the shared stack, and oil and gas liners crack, soot up and block with age. A blocked appliance flue can spill exhaust indoors, so we inspect every flue in the chimney.
Often ice and flashing working together: ice dams push meltwater against the chimney, flashing loosened by freeze-thaw lets it in, and saturated brick passes it through to the wall. The stain shows by the fireplace, but the repair belongs at the roofline and the crown, in that order.
Yes - same-day service is available in Lloyd Harbor, and estimates are free once a tech has looked at the actual chimney. We are licensed and insured, with 10+ years of experience and 100+ 5-star reviews. In heating season, calling early in the day gives the best same-day chance.
No — and be wary of anyone who does. Every chimney fails differently, so a phone price is a guess that changes at your door. Our estimates are free: a tech looks at the actual problem, then gives you one clear price before any work starts.
Chimney Service Co is a national company with local technicians serving Lloyd Harbor street addresses across the ZIP codes below — same-day service and free estimates, every day 8 AM – 8 PM. More of New York is covered from our New York page. The Lloyd Harbor list below covers 1 ZIP codes, 11743 through 11743.
Don't see your ZIP? Lloyd Harbor also uses P.O. Box and single-organization ZIP codes that have no street addresses — call (888) 258-0797 and we will confirm coverage for your street address on the call.
Also serving nearby: Woodbury, NY · Northport, NY · Mill Neck, NY · Bayville, NY · Farmingdale, NY · Old Westbury, NY.
Message sent.
Thanks — we'll get back to you shortly. Need it faster?
