Half of the 4,470 homes in Haddonfield were built before 1938. 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
New Jersey treats a new covering on a detached one- or two-family house as ordinary maintenance: no permit, no notice (N.J.A.C. 5:23-2.7). Attached houses (7% of Haddonfield’s homes) and any work that touches the structure fall outside the rule.
Source: N.J.A.C. 5:23-2.7
Layers
New Jersey deletes the IRC’s reroofing definitions (N.J.A.C. 5:23-3.21(c)2.xxii); its layer rule for existing houses is in the Rehabilitation Subcode, which this site has not read yet. 87% of Haddonfield’s homes were built before 1980, so get the layer count and a tear-off price in writing.
Source: N.J.A.C. 5:23-3.21
Ice barrier
New Jersey requires the eave membrane only where January averages 25 °F or colder, which the state says is Sussex County (DCA Bulletin 07-3). For Haddonfield, ask whether the quote includes one anyway.
Source: N.J.A.C. 5:23-3.21; NJ DCA Bulletin 07-3
Checked against the code text on October 24, 2026. Code edition, permit and contract rules for the whole state: roof replacement in New Jersey.
83% of the occupied homes in Haddonfield are lived in by their owners: 3,516 households, the people this line is for. Counting by decade, 50% before 1940, 77% before 1960, 87% before 1980 of the housing was in place, and 8% dates from 2000 on. (ACS 2020–2024.)
The housing is 81% detached houses, 7% attached single-family houses (rowhouses, twins and townhouses).
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 33 Camden County municipalities on this site, Haddonfield has the 12th largest share of homes built before 1980: 87%, against a county range of 38% to 97%.
ZIP codes: 08033
| Place | Median built | Before 1980 | Owners | Row, twin | Hail days |
|---|---|---|---|---|---|
| Haddonfield | 1938 | 87% | 83% | 7% | 21 |
| Haddon | 1955 | 90% | 66% | 3% | 20 |
| Lawnside | 1965 | 76% | 65% | 4% | 17 |
| Haddon Heights | 1947 | 92% | 78% | 3% | 19 |
| Barrington | 1960 | 79% | 52% | 0% | 17 |
| Audubon | 1938 | 94% | 76% | 5% | 19 |
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 21 days since 2006 with hail of at least 1 inch inside a 10-mile circle around Haddonfield, topping out at 2.5 in on May 20, 2022. The most recent was April 4, 2025.
That is more hail days than 97% of the places in the state on this site.
Camden County has had 8 federal major-disaster declarations for storms since 2006; the latest was DR-4614, Remnants of Hurricane Ida (September 2021). (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; 81% 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; 50% 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 | Seams at walls and drainage |
New Jersey had 47,473 active home improvement registrations in October 2026; the one belonging to whoever quotes your roof in Haddonfield should be on the contract (N.J.S.A. 56:8-144).
Contracts, deposits and the right to cancel: checking a roofing contractor. What moves the price: new roof cost in New Jersey.
No permit for a detached house. New Jersey treats a new covering on a detached one- or two-family house as ordinary maintenance: no permit, no notice (N.J.A.C. 5:23-2.7). Attached houses (7% of Haddonfield’s homes) and any work that touches the structure fall outside the rule.
By the Census Bureau’s American Community Survey (2020–2024), the median home in Haddonfield was built in 1938, 87% of homes were built before 1980, 83% are owner-occupied.
Hail of 1 inch or larger was reported on 21 days within 10 miles of Haddonfield from 2006 through 2025 (NOAA Storm Prediction Center). A report means hail fell nearby, not that a roof was damaged.
New Jersey had 47,473 active home improvement registrations in October 2026; the one belonging to whoever quotes your roof in Haddonfield should be on the contract (N.J.S.A. 56:8-144).
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.