Chimney Cap Installation & Repair in Old Westbury, NY
Long Island Exterior Co. provides professional chimney cap installation, chimney repair, rebuilding, liner replacement, flashing, and waterproofing services in Old Westbury, NY 11568 and across Nassau...
$1,000 OFF
Complete Re-Roof
$750 OFF
Siding Replacement
$500 OFF
Chimney Rebuild
Limited time. Mention at estimate. Cannot be combined.
Long Island Exterior Co. provides professional chimney cap installation, chimney repair, rebuilding, liner replacement, flashing, and waterproofing services in Old Westbury, NY 11568 and across Nassau County. In Old Westbury, repeated freeze-thaw cycles and wind-driven rain make a properly fitted chimney cap and sound mortar joints essential to keeping water out of your flue and home. Our masonry crew handles everything from a same-week chimney cap install to full above-the-roofline rebuilds, and every job starts with a free on-site inspection.
Why Old Westbury Homeowners Trust Long Island Exterior Co.
As a GAF Certified contractor serving all of Nassau County, Long Island Exterior Co. brings the credentials, local knowledge, and craftsmanship that Old Westbury homeowners deserve.
- ✓ GAF Master Elite® Certified — among only 1% of roofers nationwide
- ✓ Licensed & Insured in New York State — full GL and workers' comp coverage
- ✓ Local Nassau County Expertise — we understand Old Westbury's building codes and permit requirements through Town of North Hempstead Building Dept, 220 Plandome Rd, Manhasset
- ✓ Lifetime Warranty Options — GAF Golden Pledge® warranty available
- ✓ No Subcontractors — all work performed by our trained in-house crew
Chimney Services Options for Old Westbury Homes
Old Westbury's housing stock is predominantly Estate, Colonial, Custom homes built during the Mixed, Estate. These architectural styles have specific chimney services considerations that our team understands intimately.
Chimney Repair & Rebuilding
Targeted mortar joint repointing, brick replacement, and crown repair for localized damage, or full chimney rebuilding above or below the roofline when damage is extensive.
Chimney Cap Installation
Stainless steel and copper chimney cap installation to prevent water entry, animal intrusion, and downdraft. Custom-fitted to your specific flue dimensions.
Chimney Flashing Repair
Step flashing, counter flashing, and cricket assembly installation at the chimney-roof junction — one of the most common leak points on Long Island homes.
Chimney Liner Installation
Stainless steel chimney liner installation for older homes with unlined chimneys or deteriorated clay tile liners. Improves safety, draft efficiency, and code compliance.
Chimney Crown Repair
Repair or replacement of the chimney crown — the concrete cap that seals the top of the chimney structure and prevents water penetration into the masonry.
Chimney Waterproofing
Application of breathable masonry waterproofing sealant that prevents moisture penetration while allowing trapped moisture to escape. Essential for Long Island's wet coastal climate.
What to Expect: Our Chimney Services Process in Old Westbury
Our chimney services process in Old Westbury begins with a thorough free inspection, followed by a detailed written estimate, permit coordination through Town of North Hempstead Building Dept, 220 Plandome Rd, Manhasset, professional installation by our in-house crew, and a final walkthrough with warranty documentation.
- 1 Free Inspection & Consultation
Thorough assessment of your property with honest recommendations.
- 2 Detailed Written Estimate
Transparent, itemized proposal with material options and timeline.
- 3 Permit Coordination
We handle all permits through Town of North Hempstead Building Dept, 220 Plandome Rd, Manhasset.
- 4 Professional Installation
Our trained crew completes your project — no subcontractors, ever.
- 5 Final Walkthrough & Warranty
We review the work with you and register all warranties.
How Much Does Chimney Services Cost in Old Westbury, NY?
Chimney Services costs in Old Westbury typically range from $300 to $20,000 depending on material choice, home size, and project complexity. Factors specific to Old Westbury's Mixed, Estate homes include roof/wall size, accessibility, and existing condition.
| Material | Price Range |
|---|---|
| Chimney Repair (minor) | $500 – $2,500 |
| Chimney Repointing | $1,500 – $5,000 |
| Chimney Cap Installation | $300 – $800 |
| Chimney Flashing | $800 – $2,500 |
| Chimney Liner | $2,500 – $7,000 |
| Partial Rebuild (above roofline) | $3,000 – $10,000 |
| Full Chimney Rebuild | $8,000 – $20,000 |
| Chimney Waterproofing | $300 – $1,000 |
Get your exact price: Call (516) 518-3353 or fill out the form for a free, no-obligation estimate.
North Shore Weather Considerations for Old Westbury Homes
Old Westbury's North Shore location brings unique challenges: maritime moisture from Long Island Sound, heavy tree canopy creating shade and debris accumulation, and steeper terrain that complicates installations. Many North Shore homes also have complex rooflines with multiple dormers and valleys. Our team has extensive experience with these conditions and adjusts materials and techniques accordingly.
Learn More About Chimney Services
Why Long Island Homeowners Choose Us
Licensed, insured, and certified — with a decade of protecting Long Island homes.
GAF Master Elite® Certified
Only 1% of roofers nationwide earn this distinction — better materials, stronger warranties, superior workmanship.
Local Long Island Expertise
We understand nor'easters, salt air, ice dams, and the building codes across every Nassau and Suffolk County town.
No Subcontractors — Ever
Every project is completed by our trained, in-house crew. Your home is never handed off to strangers.
Lifetime Warranty Options
GAF Golden Pledge® lifetime coverage — the industry's strongest manufacturer warranty, available on qualifying installations.
Frequently Asked Questions About Chimney Services in Old Westbury
How much does chimney repair cost in Old Westbury?
How do I know if my chimney needs repair?
What's the difference between chimney repair and rebuild?
Do I need a chimney cap?
How often should my chimney be inspected?
What areas does Long Island Exterior Co. serve?
Are you licensed and insured?
Ready for Chimney Services in Old Westbury?
Get a free, no-obligation estimate. We respond within 1 business day.