Roof Replacement Cost in Allentown, PA (2026)
A full roof replacement in Allentown typically costs between $8,500 and $16,000 for an average asphalt shingle roof, but size, material, and roof condition all shift that number. Here's what drives the price locally.
By Henry · Roofing & Gutters · Published September 2, 2026 · 7 min read
Average roof replacement costs in Allentown
For a typical 1,800-2,200 sq ft Allentown roof, a full asphalt shingle tear-off and replacement runs $8,500 to $16,000.
Metal roof replacement, which holds up well against ice dams and wind, runs higher at $16,000 to $30,000 but often lasts 40-50 years versus 20-25 for asphalt.
Larger or steeper roofs common on West End and South Side Victorian-style homes can push costs toward the higher end of the range due to added labor and material.
What drives replacement price in the Lehigh Valley
Roof pitch and complexity matter -- multiple valleys, dormers, and chimneys (common on older Center City and Old Allentown homes) add labor time and flashing material.
Decking condition is a major variable: freeze-thaw cycles and past ice dam leaks can rot plywood decking, and replacing damaged sheathing typically adds $50-$100 per sheet to the job.
Ice-and-water shield underlayment along the eaves is standard practice in this climate to prevent ice dam leaks, and it's usually included in reputable local bids rather than added as a surprise cost.
Material options for Allentown homes
Architectural asphalt shingles are the most common choice and are rated for the wind speeds seen in Lehigh Valley nor'easters when properly nailed.
Standing-seam metal roofing is increasingly popular for its resistance to ice dam damage and long lifespan, though the upfront cost is roughly double that of asphalt.
Homes in the Emmaus area and Trexlertown with simpler roof lines often see lower labor costs regardless of material chosen, since less flashing and fewer transitions are needed.
Permit requirements for replacement
Full roof replacement requires a permit from the Bureau of Building Standards and Safety at Allentown City Hall, 435 Hamilton St, under the Pennsylvania Uniform Construction Code.
Your contractor should include permit fees in the estimate and handle scheduling the required inspection before and after the work.
Financing and insurance considerations
If your existing roof failed due to a covered storm event, homeowners insurance may cover part of the replacement -- get an adjuster inspection and a contractor estimate before filing.
Many Allentown roofing companies offer financing plans; compare the total financed cost, not just the monthly payment, before signing.
Get matched with a vetted Allentown roofer
Visit our Allentown roofing hub for the full local cost table, permit process, and neighborhood-specific notes.
Homeowner Henry can match you with a HICPA-registered, insured roofing contractor experienced with Lehigh Valley replacements.
Typical cost ranges
| Asphalt shingle roof replacement (1,800-2,200 sq ft) | $8,500 - $16,000 |
| Metal roof replacement | $16,000 - $30,000 |
| Decking/sheathing replacement (per sheet) | $50 - $100 |
| Ice-and-water shield underlayment upgrade | $500 - $1,200 |
| Permit fee (City of Allentown) | $100 - $400 |
Ranges are general estimates gathered from homeowner-reported quotes, not an offer or a quote for your project.
Common questions
How much does a new roof cost in Allentown, PA?
A typical asphalt shingle roof replacement runs $8,500 to $16,000, while metal roofing runs $16,000 to $30,000.
How long does asphalt shingle roofing last in the Lehigh Valley?
Most asphalt shingle roofs last 20-25 years in Allentown's climate, often shorter if freeze-thaw and ice dam damage aren't addressed.
Do I need a permit for a full roof replacement?
Yes, the Bureau of Building Standards and Safety requires a permit for full roof replacements under the PA Uniform Construction Code.
Is metal roofing worth it in Allentown?
Metal costs more upfront but resists ice dam and wind damage well and can last twice as long as asphalt shingles, which can make it cost-effective long term.
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