Roof Replacement in Union Township, Union County, NJ
The median home in Union Township was built in 1956; there are 22,068 of them. Below: what the code asks of a replacement here, the permit, and the town’s own records.
New Roofing Costs connects homeowners with independent local roofing contractors. We do not perform roofing work.
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.
The rules for a reroof in Union Township
Permit
Detached houses: no permit, no notice
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). That covers the 63% of Union Township’s homes that are detached; twins, rowhouses, townhouses and structural work are outside it.
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. 79% of Union Township’s homes were built before 1980, so get the layer count and a tear-off price in writing.
The state code’s ice barrier applies where the average January day is 25 °F or colder: Sussex County, per DCA Bulletin 07-3. For Union Township, ask whether the quote includes one anyway.
72% of the occupied homes in Union Township are lived in by their owners: 15,290 households, the people this line is for. By year built, 20% before 1940, 61% before 1960, 79% before 1980; 12% went up in 2000 or later. (ACS 2020–2024.)
By building type: 63% detached houses, 5% attached single-family houses (rowhouses, twins and townhouses), 18% buildings of two to four units.
Of the 21 Union County municipalities on this site, Union Township has the 15th largest share of homes built before 1980: 79%, against a county range of 65% to 98%.
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.
Storm record around Union Township
Since 2006 the National Weather Service has logged hail of 1 inch or larger on 12 separate days within 10 miles of Union Township; the largest was 1.75 in on May 28, 2019. The most recent was September 8, 2023.
Federal major-disaster declarations for storms in Union County since 2006: 8, most recently DR-4614, Remnants of Hurricane Ida, declared September 2021. (OpenFEMA.)
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; 63% 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
Standing seam that carries its own loads can skip the tear-off (R908.3.1)
Slate
75 years
Older houses; 20% here predate 1940
Can’t be roofed over; check the framing for the weight
Flat roof: EPDM or TPO
15 years
Porches, additions, low-slope rears
Where the roof meets a wall or parapet
Checking a contractor in New Jersey
New Jersey had 47,473 active home improvement registrations in October 2026; the one belonging to whoever quotes your roof in Union Township should be on the contract (N.J.S.A. 56:8-144).
Does a roof replacement in Union Township need a permit?
Detached houses: no permit, no notice. 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). That covers the 63% of Union Township’s homes that are detached; twins, rowhouses, townhouses and structural work are outside it.
How old are the houses in Union Township?
By the Census Bureau’s American Community Survey (2020–2024), the median home in Union Township was built in 1956, 79% of homes were built before 1980, 72% are owner-occupied.
How often does hail hit Union Township?
Hail of 1 inch or larger was reported on 12 days within 10 miles of Union Township from 2006 through 2025 (NOAA Storm Prediction Center). A report means hail fell nearby, not that a roof was damaged.
How do I check a roofing contractor in Union Township?
New Jersey had 47,473 active home improvement registrations in October 2026; the one belonging to whoever quotes your roof in Union Township should be on the contract (N.J.S.A. 56:8-144).
What they will ask on the phone
Your address or ZIP code in Union Township
The number of stories, and whether the house stands alone
What covers the roof now and about when it went on
The number of layers, if anyone has counted
Your timing for a complete replacement
Any historic-district or HOA rules on the house in Union Township