The median home in West Orange was built in 1956; there are 17,870 of them. 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
Under N.J.A.C. 5:23-2.7 a reroof of a detached one- or two-family house goes ahead without a permit or a notice to the construction office. Attached houses (10% of West Orange’s homes) and any work that touches the structure fall outside the rule.
Source: N.J.A.C. 5:23-2.7
Layers
Which layers may stay is a Rehabilitation Subcode question in New Jersey (the IRC definitions are deleted by N.J.A.C. 5:23-3.21), and this site has not read that subcode yet. With 77% of West Orange’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
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). In West Orange 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. Everything else the state requires: roof replacement in New Jersey.
Owners live in 11,881 of West Orange’s occupied homes, or 69%. Counting by decade, 25% before 1940, 59% before 1960, 77% before 1980 of the housing was in place, and 10% dates from 2000 on. (ACS 2020–2024.)
The housing is 53% detached houses, 10% attached single-family houses (rowhouses, twins and townhouses), 17% buildings of two to four units.
Of the 22 Essex County municipalities on this site, West Orange has the 12th largest share of homes built before 1980: 77%, against a county range of 54% to 92%.
ZIP codes: 07052
| Place | Median built | Before 1980 | Owners | Row, twin | Hail days |
|---|---|---|---|---|---|
| West Orange | 1956 | 77% | 69% | 10% | 12 |
| City of Orange | 1958 | 75% | 26% | 7% | 11 |
| South Orange Village | 1946 | 78% | 65% | 4% | 13 |
| Essex Fells | 1954 | 77% | 96% | 4% | 11 |
| East Orange | 1956 | 76% | 31% | 4% | 12 |
| Livingston | 1962 | 71% | 89% | 7% | 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.
Within 10 miles of West Orange, hail of an inch or more was reported on 12 days between 2006 and 2025, the biggest stones 1.75 in on December 9, 2009. The most recent was September 8, 2023.
At the county level, West Orange shares Essex County’s record of 10 storm disaster declarations since 2006, the newest 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.
Useful life is HUD’s planning figure, not a warranty. 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; 53% 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 houses; 25% here predate 1940 | Sound slate can be reused (R908.5); broken slate cannot |
| Flat roof: EPDM or TPO | 15 years | Additions and porch roofs | Where the roof meets a wall or parapet |
Ask a roofer working in West Orange for the New Jersey home improvement registration number, which the law requires on contracts and advertising (N.J.S.A. 56:8-138, 56:8-144), and look it up with the Division of Consumer Affairs.
Contracts, deposits and the right to cancel: checking a roofing contractor. What moves the price: new roof cost in New Jersey.
Detached houses: no permit, no notice. Under N.J.A.C. 5:23-2.7 a reroof of a detached one- or two-family house goes ahead without a permit or a notice to the construction office. Attached houses (10% of West Orange’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 West Orange was built in 1956, 77% of homes were built before 1980, 69% are owner-occupied.
Hail of 1 inch or larger was reported on 12 days within 10 miles of West Orange from 2006 through 2025 (NOAA Storm Prediction Center). A report means hail fell nearby, not that a roof was damaged.
Ask a roofer working in West Orange for the New Jersey home improvement registration number, which the law requires on contracts and advertising (N.J.S.A. 56:8-138, 56:8-144), and look it up with the Division of Consumer Affairs.
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.