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Licensed, Bonded & Insured · PA #026195

Mon–Fri 8AM–5PM · Free Estimates

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Two-story home with a freshly shingled roof and manicured landscaping

Allegheny County, PA

Roof Replacement & Installation in Allegheny County

Full roof replacements and new installations built to last decades. Trusted by Allegheny County homeowners since 1994.

Looking for roofing in Allegheny County? A new roof from Ireland Contracting is a complete tear-off and replacement system — not just new shingles. As an Owens Corning Platinum Preferred Contractor, we install asphalt, metal, slate, tile, and cedar roofing systems backed by manufacturer warranties of up to 50 years.

Allegheny County is Ireland Contracting's home turf — our headquarters sits in Glenshaw, just north of Pittsburgh. From the North Hills to the South Hills and the eastern suburbs, we've protected county homes from heavy snow, wind, and freeze-thaw cycles for over 30 years.

Why Allegheny County homeowners choose Ireland Contracting for roofing

  • Free, detailed roof inspection and written estimate
  • Complete tear-off and system replacement, not a layover
  • Manufacturer-certified installation (Owens Corning Platinum Preferred)
  • Warranties up to 50 years on qualifying systems
  • Daily site protection and full cleanup

Ireland Contracting also provides roofing in nearby Pittsburgh, North Hills, South Hills. Learn more about our roofing services or view everything we offer in Allegheny County.

Other services in Allegheny County

Roofing in other areas

Roofing in Allegheny County — FAQs

How much does roofing cost in Allegheny County?

Roofing pricing in Allegheny County depends on the size and scope of your project. Ireland Contracting provides a free, itemized estimate — call (412) 492-7663.

Do you offer roofing near me in Allegheny County?

Yes. Ireland Contracting provides roofing throughout Allegheny County, with free estimates typically scheduled within 24–48 hours.

How long does a new roof last?

Asphalt shingle roofs typically last 20–25 years, metal roofs 40–70 years, and slate or tile roofs 50–100 years. Lifespan depends on ventilation, installation quality, and maintenance.

How long does a roof replacement take?

Most residential roof replacements are completed in 1–3 days. We secure and protect your roof at the end of every workday on multi-day jobs.

Need roofing in Allegheny County?

Get a no-pressure inspection and written estimate within 24–48 hours. Family-owned, certified, and trusted across Western PA since 1994.