Chimney Services for Nassau & Suffolk Homes
From annual sweeps to full liner replacements, we handle the complete chimney scope. CSIA-certified sweeps, a 25-year-experienced mason, and an NFI Gas Specialist — all under one roof.
Chimney Sweep
Full flue brushing, smoke chamber clean, damper service, written report.
Chimney Inspection
Video scan, NFPA 211 compliant documentation, acceptable for home sale and insurance.
Chimney Repair
Diagnose-first approach. Written warranties. Real Long Island masons.
Chimney Relining
Proper sizing, insulation wrap, top plate. UL-listed, NFPA 211 compliant.
Chimney Cap Installation
Keep rain, animals, and embers out. Solves 80% of water damage problems.
Tuckpointing & Masonry
Type-N mortar, color-matched on-site. Tuckpointing, repointing, and rebuild.
Chimney Waterproofing
10-year manufacturer warranty. Proper prep, proper curing, proper product.
Fireplace Cleaning
NFI Gas Specialist on staff. All fuel types, all configurations.
Dryer Vent Cleaning
Full duct run cleaned, not just the vent hood. HEPA vacuum collection.
Not sure what you need?
Start with a Level I inspection. If nothing more is needed, you pay for just the inspection. If we find something, you get a camera-verified quote — no pressure.
Looking for a trusted chimney company on Long Island? Long Island Chimney Co. is CSIA-certified and licensed in both Nassau and Suffolk County. We handle everything from a routine annual chimney sweep to a full stainless steel reline — all under one roof. We serve the entire Town of Oyster Bay including Oyster Bay chimney service in Cold Spring Harbor, Syosset, Locust Valley, and Cove Neck. See our pricing guide, read our Long Island chimney service guide, or request a free estimate.
Ready to schedule? We'll be out this week.
Rosa or Frank will call you within 2 business hours to set up a free on-site estimate. No high-pressure sales. No gimmicks.