CSIA certified 4.9 (187 reviews)
(631) 625-8789
Long Island Chimney Co.
Suffolk County · ZIP 11725

Chimney Sweep & Repair in Commack, NY

Commack's large developments on the Nassau-Suffolk border produce consistent chimney configurations — usually 1960s-1980s construction.

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What we see in Commack

Chimneys in Commack have a story.

Commack homes are largely 1960s-1980s subdivisions. Chimneys tend to have prefab metal liners or factory-built fireplaces requiring specific service knowledge. We handle both.

Where we work in Commack

Neighborhoods: North Commack, East Commack.

Local landmarks nearby: Commack Corner, Deer Park Avenue, Long Island Expressway exit.

Recent jobs in Suffolk County

Real work near Commack.

Tuckpointing
Tuckpointing
Commack, Suffolk Apr 2, 2026

Tuckpointing 18 linear feet of deteriorated mortar joints on a 1940s brick chimney. Type-N mortar, custom color match.

Completed
Chimney Waterproofing
Chimney Waterproofing
Smithtown, Suffolk Mar 28, 2026

Chimney waterproofing + crown coat repair after water staining on interior ceiling. ChimneySaver sealant, 10-year warranty.

Completed
Chimney Cap Installation
Chimney Cap Installation
Hauppauge, Suffolk Mar 25, 2026

New stainless steel chimney cap with mesh spark arrestor after storm damage. Lifetime manufacturer warranty.

Completed
Chimney Repair
Chimney Repair
Huntington, Suffolk Mar 15, 2026

Chimney repair: replaced cracked crown with 3-inch concrete cap and elastomeric coating. Full chimney exterior waterproofed.

Completed
Chimney Sweep
Chimney Sweep
Babylon, Suffolk Feb 28, 2026

CSIA annual sweep for wood-burning fireplace. New cap replacement, found no repair needs, clean report.

Completed
Chimney Repair
Chimney Repair
Islip, Suffolk Feb 15, 2026

Level II inspection after chimney fire. Replaced damaged liner, rebuilt crown, 1-year safety guarantee.

Completed
Chimney Cap Installation
Chimney Cap Installation
Ronkonkoma, Suffolk Feb 5, 2026

Annual sweep + chimney cap installation for dog-free chimney (prior wildlife entry). Stainless mesh arrestor.

Completed
Chimney Waterproofing
Chimney Waterproofing
Stony Brook, Suffolk Jan 20, 2026

Complete waterproofing package: crown seal + ChimneySaver exterior + new cap. 10-year no-leak warranty.

Completed
Customer reviews

4.9/5 from 187 Long Island homes.

They told us our chimney didn't need anything done. Just a sweep and a new cap. No upsell. Rosa in the office scheduled us fast and called the night before. Easy five stars.

Kevin P.
Commack, NY · Google · 2025-12-10
Also in Suffolk County

Nearby towns we serve.

Free On-Site Estimate

Ready to schedule in Commack?

Rosa or Frank will call you within 2 business hours to set up a free on-site estimate. No high-pressure sales. No gimmicks.

CSIA certified
NFPA 211 standard
4.9 (187 reviews)
Real LI customers
2-hour callback
During business hours

No spam. No auto-calls. Real humans only. Or call directly: (631) 625-8789

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