Bloomfield has 395 homes, and half of them were standing by 1943. Below: what the code asks of a replacement here, the permit, and the town’s own records.
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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)). Whether Bloomfield wants a permit is in its own ordinance; ask the borough code office before the old roof comes off.
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). 77% of Bloomfield’s homes were built before 1980; many have been reroofed before.
Ice barrier
IRC R905.1.2 calls for an ice barrier where Table R301.2 says so; in Pennsylvania the municipality completes that table. Bloomfield’s answer is with the borough code office.
Checked against the code text on October 24, 2026. Everything else the state requires: roof replacement in Pennsylvania.
73% of the occupied homes in Bloomfield are lived in by their owners: 274 households, the people this line is for. Counting by decade, 47% before 1940, 66% before 1960, 77% before 1980 of the housing was in place, and 13% dates from 2000 on. (ACS 2020–2024.)
The housing is 75% detached houses, 11% attached single-family houses (rowhouses, twins and townhouses), 11% 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 19 Perry County municipalities on this site, Bloomfield has the 3rd largest share of homes built before 1980: 77%, against a county range of 38% to 98%.
| Place | Median built | Before 1980 | Owners | Row, twin | Hail days |
|---|---|---|---|---|---|
| Bloomfield | 1943 | 77% | 73% | 11% | 7 |
| Centre Township, Perry County | 1986 | 39% | 95% | 0% | 4 |
| Juniata | 1983 | 41% | 96% | 3% | 5 |
| Oliver Township, Perry County | 1970 | 64% | 69% | 7% | 10 |
| Wheatfield | 1982 | 46% | 95% | 0% | 11 |
| Newport Borough | 1938 | 98% | 41% | 24% | 10 |
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 7 days since 2006 with hail of at least 1 inch inside a 10-mile circle around Bloomfield, topping out at 1.25 in on July 18, 2012. The most recent was May 16, 2025.
That is fewer than most places in the state on this site (median 12 days).
At the county level, Bloomfield shares Perry County’s record of 3 storm disaster declarations since 2006, the newest 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.
Lifespans come from HUD’s capital-needs table, not from a brochure. 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; 75% 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 | Low pitches and long runs | A complete standing-seam system may go over the old roof (R908.3.1) |
| Slate | 75 years | Older houses; 47% here predate 1940 | Can’t be roofed over; check the framing for the weight |
| Flat roof: EPDM or TPO | 15 years | Additions and porch roofs | 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 Bloomfield, and search it.
Contracts, deposits and the right to cancel: checking a roofing contractor. What moves the price: new roof cost in Pennsylvania.
Bloomfield’s ordinance decides. Pennsylvania’s code leaves residential alterations without structural change to local ordinance (34 Pa. Code § 403.1(b)(8)). Whether Bloomfield wants a permit is in its own ordinance; ask the borough code office before the old roof comes off.
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). 77% of Bloomfield’s homes were built before 1980; many have been reroofed before.
By the Census Bureau’s American Community Survey (2020–2024), the median home in Bloomfield was built in 1943, 77% of homes were built before 1980, 73% are owner-occupied.
Hail of 1 inch or larger was reported on 7 days within 10 miles of Bloomfield 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 Bloomfield, 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.