Permit
Ask Pequea first
The state code does not cover a reroof that changes no structure (34 Pa. Code § 403.1(b)(8)). The township code office can say what Pequea requires.
Source: 34 Pa. Code § 403.1(b)
Pequea has 2,454 homes, and half of them were standing by 1987. 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)). The township code office can say what Pequea requires.
Source: 34 Pa. Code § 403.1(b)
Layers
On a roof that already carries two layers, or slate or tile, the code allows no recover: it is a tear-off (IRC R908.3.1.1). With 40% of Pequea’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. The contractor or the township code office in Pequea will know.
Checked against the code text on October 24, 2026. The state’s code edition and the rest of its rules: roof replacement in Pennsylvania.
69% of the occupied homes in Pequea are lived in by their owners: 1,698 households, the people this line is for. Counting by decade, 12% before 1940, 21% before 1960, 40% before 1980 of the housing was in place, and 37% dates from 2000 on. (ACS 2020–2024.)
The housing is 59% detached houses, 29% attached single-family houses (rowhouses, twins and townhouses), 9% buildings of two to four units.
37% of homes here were built in 2000 or later. HUD’s useful-life table gives an asphalt-shingle roof 20 years, so roofs on houses from the early 2000s are reaching that age.
Of the 59 Lancaster County municipalities on this site, Pequea has the 46th largest share of homes built before 1980: 40%, against a county range of 27% to 87%.
ZIP codes: 17584 · 17603
| Place | Median built | Before 1980 | Owners | Row, twin | Hail days |
|---|---|---|---|---|---|
| Pequea | 1987 | 40% | 69% | 29% | 19 |
| West Lampeter | 1990 | 30% | 65% | 16% | 19 |
| Millersville | 1966 | 70% | 57% | 17% | 20 |
| Lancaster Township | 1968 | 63% | 68% | 34% | 22 |
| Conestoga | 1976 | 57% | 92% | 0% | 15 |
| Lancaster | 1938 | 86% | 49% | 52% | 23 |
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.
Since 2006 the National Weather Service has logged hail of 1 inch or larger on 19 separate days within 10 miles of Pequea; the largest was 1.75 in on August 10, 2008. The most recent was June 28, 2025.
That is more hail days than 89% of the places in the state on this site.
Lancaster County has had 3 federal major-disaster declarations for storms since 2006; the latest was DR-4267, Severe Winter Storm and Snowstorm (March 2016). (OpenFEMA.)
Storm reports are what observers logged, not a measure of damage to any 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; 59% 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 | A complete standing-seam system may go over the old roof (R908.3.1) |
| Slate | 75 years | Older houses; 12% here predate 1940 | Sound slate can be reused (R908.5); broken slate cannot |
| Flat roof: EPDM or TPO | 15 years | Low-slope roofs and rear sections (29% of homes here are attached) | Seams at walls and drainage |
Pennsylvania’s home improvement law (HICPA § 3, § 6) requires registration with the Attorney General from $5,000 a year of such work and puts the number on every estimate; ask for it in Pequea and look it up.
Contracts, deposits and the right to cancel: checking a roofing contractor. What moves the price: new roof cost in Pennsylvania.
Ask Pequea first. The state code does not cover a reroof that changes no structure (34 Pa. Code § 403.1(b)(8)). The township code office can say what Pequea requires.
On a roof that already carries two layers, or slate or tile, the code allows no recover: it is a tear-off (IRC R908.3.1.1). With 40% of Pequea’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 Pequea was built in 1987, 40% of homes were built before 1980, 69% are owner-occupied.
Hail of 1 inch or larger was reported on 19 days within 10 miles of Pequea from 2006 through 2025 (NOAA Storm Prediction Center). A report means hail fell nearby, not that a roof was damaged.
Pennsylvania’s home improvement law (HICPA § 3, § 6) requires registration with the Attorney General from $5,000 a year of such work and puts the number on every estimate; ask for it in Pequea and look it up.
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.