Washington Township has 18,839 homes, and half of them were standing by 1982. 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
Replacing the covering on a detached one- or two-family house needs no permit and no notice to the town (N.J.A.C. 5:23-2.7). In Washington Township, 73% of homes are detached. An attached house, or work on rafters and beams, is not covered.
Source: N.J.A.C. 5:23-2.7
Layers
The state strikes the IRC reroof definitions from its code (N.J.A.C. 5:23-3.21) and leaves existing houses to the Rehabilitation Subcode, not yet checked here. With 43% of Washington Township’s homes were built before 1980, ask the contractor to count the layers before quoting.
Source: N.J.A.C. 5:23-3.21
Ice barrier
The state code’s ice barrier applies where the average January day is 25 °F or colder: Sussex County, per DCA Bulletin 07-3. In Washington Township it is the installer’s and the manufacturer’s call; ask whether the quote includes it.
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.
Of 18,444 occupied homes in Washington Township, 15,327 (83%) are owner-occupied. Counting by decade, 8% before 1960, 43% before 1980 of the housing was in place, and 13% dates from 2000 on. (ACS 2020–2024.)
The housing is 73% detached houses, 11% attached single-family houses (rowhouses, twins and townhouses).
Of the 24 Gloucester County municipalities on this site, Washington Township has the 16th largest share of homes built before 1980: 43%, against a county range of 7% to 89%.
ZIP codes: 08012 · 08032 · 08080
| Place | Median built | Before 1980 | Owners | Row, twin | Hail days |
|---|---|---|---|---|---|
| Washington Township, Gloucester County | 1982 | 43% | 83% | 11% | 17 |
| Pitman | 1945 | 89% | 74% | 5% | 13 |
| Gloucester | 1979 | 53% | 73% | 17% | 19 |
| Glassboro | 1986 | 43% | 60% | 8% | 10 |
| Wenonah | 1946 | 87% | 93% | 1% | 18 |
| Pine Hill | 1977 | 60% | 59% | 17% | 17 |
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 Washington Township; the largest was 1.75 in on August 1, 2011. The most recent was April 4, 2025.
That is more hail days than 85% of the places in the state on this site.
Gloucester County has had 10 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; 73% 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 | A complete standing-seam system may go over the old roof (R908.3.1) |
| Slate | 75 years | Older and historic houses | 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 |
New Jersey had 47,473 active home improvement registrations in October 2026; the one belonging to whoever quotes your roof in Washington Township 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. Replacing the covering on a detached one- or two-family house needs no permit and no notice to the town (N.J.A.C. 5:23-2.7). In Washington Township, 73% of homes are detached. An attached house, or work on rafters and beams, is not covered.
By the Census Bureau’s American Community Survey (2020–2024), the median home in Washington Township was built in 1982, 43% of homes were built before 1980, 83% are owner-occupied.
Hail of 1 inch or larger was reported on 17 days within 10 miles of Washington Township 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 Washington Township 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.