North Annville has 866 homes, and half of them were standing by 1964. 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
Pennsylvania’s code leaves residential alterations without structural change to local ordinance (34 Pa. Code § 403.1(b)(8)). So the township code office in North Annville is the one to ask before work starts.
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 73% of North Annville’s homes were built before 1980, ask what is under the newest layer.
Ice barrier
The code requires an ice barrier where the local climate table (Table R301.2) says so, and each Pennsylvania municipality fills that table in. North Annville’s answer is with the township code office.
Checked against the code text on October 24, 2026. Code edition, permit and contract rules for the whole state: roof replacement in Pennsylvania.
Owners live in 629 of North Annville’s occupied homes, or 81%. Counting by decade, 30% before 1940, 46% before 1960, 73% before 1980 of the housing was in place, and 8% dates from 2000 on. (ACS 2020–2024.)
The housing is 77% detached houses, 13% attached single-family houses (rowhouses, twins and townhouses), 5% buildings of two to four units.
Older houses hide their history: ask the contractor to confirm the deck (board or sheet) and every layer above it before pricing, because slate or two layers mean a full tear-off.
Of the 23 Lebanon County municipalities on this site, North Annville has the 5th largest share of homes built before 1980: 73%, against a county range of 31% to 88%.
ZIP codes: 17003
| Place | Median built | Before 1980 | Owners | Row, twin | Hail days |
|---|---|---|---|---|---|
| North Annville | 1964 | 73% | 81% | 13% | 17 |
| Annville | 1959 | 69% | 61% | 22% | 18 |
| North Londonderry | 1980 | 50% | 84% | 18% | 17 |
| Cleona | 1957 | 68% | 69% | 28% | 17 |
| Palmyra Borough | 1957 | 83% | 58% | 19% | 17 |
| East Hanover Township, Lebanon County | 1964 | 71% | 68% | 5% | 13 |
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 17 separate days within 10 miles of North Annville; the largest was 1.75 in on March 29, 2009. The most recent was August 6, 2024.
That is more hail days than 79% of the places in the state on this site.
Lebanon 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.
HUD’s useful-life figures are for planning; a warranty is a separate promise. For North Annville’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; 77% 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; 30% here predate 1940 | Never a base for a new layer (R908.3.1.1); heavy |
| Flat roof: EPDM or TPO | 15 years | Additions and porch roofs | Where the roof meets a wall or parapet |
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 North Annville and look it up.
Contracts, deposits and the right to cancel: checking a roofing contractor. What moves the price: new roof cost in Pennsylvania.
North Annville’s ordinance decides. Pennsylvania’s code leaves residential alterations without structural change to local ordinance (34 Pa. Code § 403.1(b)(8)). So the township code office in North Annville is the one to ask before work starts.
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 73% of North Annville’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 North Annville was built in 1964, 73% of homes were built before 1980, 81% are owner-occupied.
Hail of 1 inch or larger was reported on 17 days within 10 miles of North Annville 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 North Annville 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.