Permit
Easton’s ordinance decides
The state code does not cover a reroof that changes no structure (34 Pa. Code § 403.1(b)(8)). So the city code office in Easton is the one to ask before work starts.
Source: 34 Pa. Code § 403.1(b)
The median home in Easton was built in 1938; there are 11,364 of them. What the code requires when that roof is replaced, and who signs off, is below.
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This number connects homeowners who are planning a new roof or a full roof replacement with independent local roofing contractors. It is not for leak repairs or patch jobs. The call must come from the homeowner who decides on the roof. Calls may be recorded.

Permit
The state code does not cover a reroof that changes no structure (34 Pa. Code § 403.1(b)(8)). So the city code office in Easton is the one to ask before work starts.
Source: 34 Pa. Code § 403.1(b)
Layers
IRC R908.3.1.1 forbids roofing over two existing layers, over slate or tile, or over a water-soaked roof. With 85% of Easton’s homes were built before 1980, ask what is under the newest layer.
Ice barrier
IRC R905.1.2 calls for an ice barrier where Table R301.2 says so; in Pennsylvania the municipality completes that table. Easton’s answer is with the city code office.
Rules as read on October 24, 2026. Everything else the state requires: roof replacement in Pennsylvania.
45% of the occupied homes in Easton are lived in by their owners: 4,602 households, the people this line is for. By year built, 63% before 1940, 75% before 1960, 85% before 1980; 6% went up in 2000 or later. (ACS 2020–2024.)
By building type: 25% detached houses, 34% attached single-family houses (rowhouses, twins and townhouses), 24% buildings of two to four units.
With about one in three of homes attached, many roofs here meet a neighbor’s roof at a party wall. Say so on the call, and ask the contractor how the new roof will be tied in where it meets the house next door.
On a house built before 1940, ask what the deck is (boards or plywood) and whether slate sits under the later layers: slate can’t be roofed over.
Of the 34 Northampton County municipalities on this site, Easton has the 7th largest share of homes built before 1980: 85%, against a county range of 20% to 91%.
| Place | Median built | Before 1980 | Owners | Row, twin | Hail days |
|---|---|---|---|---|---|
| Easton | 1938 | 85% | 45% | 34% | 15 |
| West Easton | 1938 | 85% | 88% | 32% | 16 |
| Wilson | 1938 | 88% | 59% | 47% | 16 |
| Palmer | 1979 | 51% | 82% | 15% | 16 |
| Forks | 2000 | 20% | 91% | 26% | 14 |
| Williams Township, Northampton County | 1994 | 37% | 87% | 15% | 18 |
Median built: median year the homes were built. Before 1980: share of homes built then. Owners: share of homes that are owner-occupied. Row, twin: share of homes that are rowhouses, twins or townhouses. Census ACS 2020–2024. Hail days: days with hail of 1 inch or larger within 10 miles, 2006–2025, NOAA Storm Prediction Center.
NOAA’s storm reports show 15 days since 2006 with hail of at least 1 inch inside a 10-mile circle around Easton, topping out at 2 in on August 17, 2007. The most recent was July 3, 2025.
Remnants of Hurricane Ida (DR-4618, September 2021) is the latest of 6 federal storm declarations covering Northampton County since 2006. (OpenFEMA.)
A report says hail fell near Easton, not that it damaged a roof. When wind or hail damage means a new roof.
Useful life is HUD’s planning figure, not a warranty. More in the guides to shingles, metal, slate and flat roofs.
| Material | HUD useful life | Fits a house like | Watch for |
|---|---|---|---|
| Asphalt shingles | 20 years | Most pitched roofs; 25% of homes here are detached | Wind class set by the design wind speed (IRC Table R905.2.4.1) |
| Metal (standing seam, panels) | 50 years | Roofs that will carry solar later | Standing seam that carries its own loads can skip the tear-off (R908.3.1) |
| Slate | 75 years | Older houses; 63% here predate 1940 | Never a base for a new layer (R908.3.1.1); heavy |
| Flat roof: EPDM or TPO | 15 years | Low-slope roofs and rear sections (34% of homes here are attached) | Where the roof meets a wall or parapet |
A contractor who does $5,000 or more of home improvement work a year must be registered with the Pennsylvania Attorney General, and the number has to be on every contract and estimate (HICPA § 3, § 6). Ask for it before anyone starts on a roof in Easton, and search it.
The price side is in what a new roof costs in Pennsylvania; the paperwork side in checking a roofing contractor.
Easton’s ordinance decides. The state code does not cover a reroof that changes no structure (34 Pa. Code § 403.1(b)(8)). So the city code office in Easton is the one to ask before work starts.
IRC R908.3.1.1 forbids roofing over two existing layers, over slate or tile, or over a water-soaked roof. With 85% of Easton’s homes were built before 1980, ask what is under the newest layer.
By the Census Bureau’s American Community Survey (2020–2024), the median home in Easton was built in 1938, 85% of homes were built before 1980, 45% are owner-occupied.
Hail of 1 inch or larger was reported on 15 days within 10 miles of Easton from 2006 through 2025 (NOAA Storm Prediction Center). A report means hail fell nearby, not that a roof was damaged.
A contractor who does $5,000 or more of home improvement work a year must be registered with the Pennsylvania Attorney General, and the number has to be on every contract and estimate (HICPA § 3, § 6). Ask for it before anyone starts on a roof in Easton, and search it.
The full list: before you call.
Checked October 24, 2026. Laws and code editions change; the date says when these were last read at the source.