The median home in East Hempfield was built in 1984; there are 11,686 of them. Below: what the code asks of a replacement here, the permit, and the town’s own records.
New Roofing Costs connects homeowners with independent local roofing contractors. We do not perform roofing work.
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.
The rules for a reroof in East Hempfield
Permit
East Hempfield’s ordinance decides
Pennsylvania’s code leaves residential alterations without structural change to local ordinance (34 Pa. Code § 403.1(b)(8)). The township code office can say what East Hempfield requires.
IRC R908.3.1.1 forbids roofing over two existing layers, over slate or tile, or over a water-soaked roof. 41% of East Hempfield’s homes were built before 1980; many have been reroofed before.
Whether an eave membrane is a code item depends on the climate table the municipality filled in when it adopted the code (IRC R905.1.2, Table R301.2). East Hempfield’s answer is with the township code office.
73% of the occupied homes in East Hempfield are lived in by their owners: 8,283 households, the people this line is for. By year built, 7% before 1940, 18% before 1960, 41% before 1980; 23% went up in 2000 or later. (ACS 2020–2024.)
By building type: 65% detached houses, 13% attached single-family houses (rowhouses, twins and townhouses), 7% buildings of two to four units.
Of the 59 Lancaster County municipalities on this site, East Hempfield has the 42nd largest share of homes built before 1980: 41%, against a county range of 27% to 87%.
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.
Storm record around East Hempfield
Since 2006 the National Weather Service has logged hail of 1 inch or larger on 20 separate days within 10 miles of East Hempfield; the largest was 1.75 in on May 14, 2010. The most recent was June 28, 2025.
That is more hail days than 93% of the places in the state on this site.
Federal major-disaster declarations for storms in Lancaster County since 2006: 3, most recently DR-4267, Severe Winter Storm and Snowstorm, declared March 2016. (OpenFEMA.)
HUD’s useful-life figures are for planning; a warranty is a separate promise. For East Hempfield’s houses: 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; 65% 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
Simple roofs with long, unbroken slopes
Standing seam that carries its own loads can skip the tear-off (R908.3.1)
Slate
75 years
Older houses; 7% here predate 1940
Sound slate can be reused (R908.5); broken slate cannot
Flat roof: EPDM or TPO
15 years
Porches, additions, low-slope rears
Seams at walls and drainage
Checking a contractor in Pennsylvania
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 East Hempfield, and search it.
Does a roof replacement in East Hempfield need a permit?
East Hempfield’s ordinance decides. Pennsylvania’s code leaves residential alterations without structural change to local ordinance (34 Pa. Code § 403.1(b)(8)). The township code office can say what East Hempfield requires.
Is a roof-over allowed in East Hempfield, or is it a tear-off?
IRC R908.3.1.1 forbids roofing over two existing layers, over slate or tile, or over a water-soaked roof. 41% of East Hempfield’s homes were built before 1980; many have been reroofed before.
How old are the houses in East Hempfield?
By the Census Bureau’s American Community Survey (2020–2024), the median home in East Hempfield was built in 1984, 41% of homes were built before 1980, 73% are owner-occupied.
How often does hail hit East Hempfield?
Hail of 1 inch or larger was reported on 20 days within 10 miles of East Hempfield from 2006 through 2025 (NOAA Storm Prediction Center). A report means hail fell nearby, not that a roof was damaged.
How do I check a roofing contractor in East Hempfield?
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 East Hempfield, and search it.
What they will ask on the phone
Your address or ZIP code in East Hempfield
The number of stories, and whether the house stands alone
What covers the roof now and about when it went on
The number of layers, if anyone has counted
Your timing for a complete replacement
Any historic-district or HOA rules on the house in East Hempfield