Roof Replacement Cost in Allentown, PA
A roof replacement in the Allentown metro prices against a regional cost level of 99.968 on the federal price-parity index, where 100 is the national average. Local roofer pay is the bigger lever: a mean of $28.89 an hour, and labour is the larger half of an asphalt re-roof. Check the local permit and licensing rules and the area overview.
What an average can't tell you
A national average compresses very different roofs into one number, and most of what sets your price is invisible to it. It cannot tell you how many square feet of roof you actually have — which is not your floor area, and is the single biggest driver of the total — or what covering is going back on, and those two choices alone move the figure more than anything else on the page.
It also cannot see how many layers have to come off before anything new goes on, how steep the roof is, how many storeys the crew is working above, or whether the decking underneath has rotted — which nobody knows, including the contractor, until the old roofing is off. Even within one metro, labor pricing and disposal fees shift in ways a single average flattens out.
Those are answerable questions, and they are exactly the estimator’s inputs. It starts from sourced national cost data and recomputes the range for your area, covering, pitch, height, and tear-off — the factually correct next step after any national average.
Key numbers for Allentown
Figures below are drawn from public sources and linked individually. Ranges are estimates, not quotes: what a specific roof costs depends on its area and pitch, how many layers come off, and what the deck looks like once the old covering is gone.
A quarter of this metro's roofs sit on pre-war houses
25.3% of housing units here were built in 1939 or earlier — the oldest stock of any metro on this site. That single number should change how you read a bid, because what sits under the shingles on a pre-war house is genuinely unknown until the tear-off starts.
Regional prices here sit almost exactly at the national average, so the local cost story is not about the rate. It is about the probability that the job you agreed is not the job you get. A bid with no decking contingency in this metro is optimistic rather than competitive.
What drives roofing demand in Allentown
The oldest housing stock in this corpus: 25.3% of units predate 1940. Roof-age demand here is structural rather than weather-driven - hail is unremarkable and snowfall moderate, but a quarter of the metro's roofs sit on houses old enough that the deck beneath them is a real unknown.
The local contractor market
No contractor records were researched for this metro in this wave, so nothing about local providers is claimed on its pages.
What drives cost in Allentown
- What the regional price index actually measures SOURCED
- BEA Regional Price Parity (all-items cost-of-living index; 100 = national average), not a construction-specific index. Allentown-Bethlehem-Easton, PA-NJ Metro Area scored 99.968 in 2024, the latest observation. Applied only as a labelled general-cost proxy - it measures the whole basket a household buys, not the price of a square of shingles. fred.stlouisfed.org
- What the quoted trade wage figure measures SOURCED
- BLS Occupational Employment and Wage Statistics (OEWS), occupation code 47-2181 (Roofers), at the metropolitan statistical area level: roofers $28.89/hour (3% above the national mean of $27.95/hour). This is what employers PAY roofers, not what a roofing company CHARGES a homeowner — a contractor’s rate also carries overhead, insurance, disposal and profit. Use it to compare metros against each other, never as an hourly quote. bls.gov
What the weather here does to a roof
- Average annual snowfall in inches SOURCED
- 33.1 inches per year on average, measured at Lehigh Valley International Airport (NOAA NCEI 1991-2020 Monthly Climate Normals). ncei.noaa.gov
- Average daily temperature in January SOURCED
- 30.1F average daily temperature in January at Lehigh Valley International Airport (NOAA NCEI 1991-2020 Monthly Climate Normals). This figure is not trivia: the IRC ice-barrier trigger is written as an average January temperature of 25F or lower. ncei.noaa.gov
- Average annual freeze-thaw cycles SOURCED
- About 119 freeze-thaw days a year at Lehigh Valley International Airport. Counted from NOAA NCEI 1991-2020 daily climate normals as the number of days in a normal year whose normal low is below 32F and normal high is above it — a day the roof surface crosses freezing in both directions. It is a climatology, not a tally of observed events. Freeze-thaw is the quieter half of cold-climate roof wear: it is the repetition rather than the depth of cold that does the damage. ncei.noaa.gov
- Average hail days per year SOURCED
- 1.97 days a year with a severe (1 inch or larger) hail report inside 25 miles of the city centre, averaged over 1994-2023. Counted from NOAA Storm Prediction Center's severe-weather database (all US hail reports 1955-2023), restricted to reports within 25 miles of the city centre over the 30 years 1994-2023. One caveat that matters: SPC counts are observer-dependent, so they undercount hail in thinly populated areas. Comparing metros of similar size is fair; reading any one figure as an absolute storm rate is not. spc.noaa.gov
- Frequency of severe (1"+) hail events SOURCED
- 145 severe (1 inch or larger) hail reports in 30 years within 25 miles, of 276 hail reports of any size; 8 of them were 2 inches or larger, the size that routinely bruises asphalt shingles rather than merely stripping granules. Counted from NOAA Storm Prediction Center's severe-weather database (all US hail reports 1955-2023), restricted to reports within 25 miles of the city centre over the 30 years 1994-2023. One caveat that matters: SPC counts are observer-dependent, so they undercount hail in thinly populated areas. Comparing metros of similar size is fair; reading any one figure as an absolute storm rate is not. spc.noaa.gov
- Whether code requires an ice barrier SOURCED
- Decided by the local table, not by temperature alone. The IRC ties the ice barrier to an average January temperature of 25F or lower, or to a designated history of ice forming at the eaves. This metro's January normal is 30.1F - above that figure - but it also records 33.1 inches of snow and about 119 freeze-thaw days a year, which is the profile ice damming actually comes from. Treat the barrier as likely required and confirm the jurisdiction's designation with the building official before accepting a bid priced without one. up.codes
What the local housing stock means for your budget
- Median year structure built SOURCED
- 1970 (ACS 2024 5-year, table B25035, CBSA level). Roof age tracks build year more tightly than any other single variable, because most roofs on original construction are on their first or second covering. api.censusreporter.org
- Owner-occupied rate SOURCED
- 69.7% (236,772 owner-occupied of 339,656 occupied units, ACS 2024 5-year table B25003). Owner-occupancy matters for roofing because an owner-occupant is the person who decides to replace a roof; a rented single-family house is a landlord's capital decision on a different timetable. api.censusreporter.org
- Share of housing stock built before 1940 SOURCED
- 25.3% of the metro's 361,874 housing units were built in 1939 or earlier (91,643 units, ACS 2024 5-year table B25034); 40.7% predate 1960 and 6.2% were built in 2000 or later. api.censusreporter.org
- Dominant era of housing stock SOURCED
- 1939 or earlier is the largest single vintage bucket at 25.3% of the metro's 361,874 housing units (ACS 2024 5-year, table B25034). api.censusreporter.org
- Prevailing housing structure type SOURCED
- Single-family detached, 56.9% of the metro's 361,874 units (205,749). Mobile homes are 2.1% (7,706 units) - a different roofing job with different materials and often a different permit path (ACS 2024 5-year, table B25024). api.censusreporter.org
Estimate your Allentown roof
Allentown answers to common questions
- How much does a new roof cost in Allentown?
- Adjusted for this metro's sourced regional price level, a full asphalt roof replacement here plans at $7,500 to $15,990.ESTIMATE
Sourced national baseline line item full_replacement_asphalt, localized by this metro's BEA all-items regional price parity index of 99.968 (100 = national average).