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LIROOFING
4.9 Rated · 150+ Jobs · Long Island

New Roof Installation on Long Island

Expert new roof installation for Long Island new construction, additions, and conversions. Latest materials, optimal ventilation, and full manufacturer warranties.

(631) 555-0100Free Estimates • Available 24/7
Licensed & InsuredGAF Certified15+ Years150+ Reviews

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4.9
150+ Long Island Reviews
Across Google, Yelp, BBB & Facebook
  • Google4.9(92)
  • Yelp4.8(28)
  • BBB4.9(18)A+ Accredited
  • Facebook5.0(12)
  • GAF Master Elite
  • Owens Corning Platinum Preferred
  • BBB A+ Accredited
  • Licensed Nassau & Suffolk HIC

What Is New Roof Installation on Long Island?

New Roof Installation on Long Island typically costs $10,000–$25,000+ and is performed by licensed Nassau and Suffolk County HIC contractors. Long Island Roofing Pros has completed thousands of these projects over 15+ years, every one backed by GAF Certified installation, pulled permits, and a written workmanship warranty.

Long Island’s coastal climate — 3–5 nor’easters per year, salt air within 2 miles of the coast, and 60–80 freeze-thaw cycles annually — creates more roofing stress than inland markets. According to the National Roofing Contractors Association (NRCA), improper installation is the leading cause of premature roof failure, which is why manufacturer certification and proper permitting matter more than price. GAF’s Roof 101 homeowner guide explains why certification protects your warranty coverage.

New Roof Installation Cost Breakdown (2026)

Project SizeTypical CostTimeline
Minor / Small ScopeLower end of $10,000–$25,000+Same day – 1 day
Average ProjectMid-range of $10,000–$25,000+1–2 days
Large / ComplexUpper end of $10,000–$25,000+2–4 days

Long Island pricing runs 15–25% above national averages due to higher labor rates, permit fees ($150–$500 per project), and stricter code requirements for wind-rated underlayment and ice-and-water shield.

Common Challenges

New Roof Installation Problems We Solve

Long Island's coastal climate creates unique challenges that inland homeowners never face.

New construction roofing needs

Home addition or extension

Converting flat roof to pitched

Building code compliance requirements

Don't wait — get a free inspection before small problems become big expenses.

Call (631) 555-0100 — Free Inspection

New Roof Installation Cost on Long Island

$10,000–$25,000+

Final pricing depends on roof size, materials, and project complexity. Contact us for a free, detailed estimate.

How It Works

Our New Installation Process

From first call to final walkthrough, we make it easy.

  1. 1

    Design consultation

  2. 2

    Material selection

  3. 3

    Building permit application

  4. 4

    Installation by certified crew

  5. 5

    Town building inspection

  6. 6

    Warranty registration & documentation

Why Choose Us

Why Should You Choose Us for New Roof Installation?

  • Latest roofing materials & technology
  • Optimal ventilation design from scratch
  • Full manufacturer warranty
  • Built to current building code
  • Energy-efficient from day one

Got Questions?

New Roof Installation FAQ

Answers to common questions from Long Island homeowners.

For most Long Island homes, architectural asphalt shingles offer the best balance of cost, durability, and wind resistance. For coastal homes (South Shore, Hamptons), metal roofing handles salt air and high winds better. Premium options like CertainTeed, GAF, and Owens Corning are all excellent choices rated for Long Island's climate zone.
For coastal homes, absolutely. Metal roofs handle salt air, high winds (rated 140+ mph), and snow loads far better than asphalt. They last 40-70 years vs 15-25 for asphalt near the coast. The higher upfront cost ($15K-$54K) pays off in longevity and lower maintenance.
Manufacturer warranty (25-50 years on materials), workmanship warranty from your contractor (5-15 years on labor), and potentially an extended system warranty if your contractor is manufacturer-certified (e.g., GAF Golden Pledge covers both materials and labor for 25-50 years).
Three systems dominate on Long Island: (1) Standing seam aluminum — best for coastal homes within 2 miles of salt water; (2) Stone-coated steel — looks like shingles or tile, popular in historic districts like Cold Spring Harbor and Garden City; (3) Aluminum shingle — ideal for retrofit over existing asphalt. All three carry Class A fire and Class 4 hail ratings per UL 790 and UL 2218.

Get a Free New Roof Installation Estimate

Licensed Long Island contractor with 150+ five-star reviews. Call now or fill out our form for a no-obligation quote.

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