Jersey City has 135,231 homes, and half of them were standing by 1971. 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 Jersey City
Permit
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). In Jersey City, 7% of homes are detached. An attached house, or work on rafters and beams, is not covered.
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. 56% of Jersey City’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. Jersey City is outside it, so whether to add one is up to you and the installer.
Checked against the code text on October 24, 2026. The state’s code edition and the rest of its rules: roof replacement in New Jersey.
Homes and roofs in Jersey City
Of 125,223 occupied homes in Jersey City, 34,967 (28%) are owner-occupied. Counting by decade, 29% before 1940, 42% before 1960, 56% before 1980 of the housing was in place, and 30% dates from 2000 on. (ACS 2020–2024.)
The housing is 7% detached houses, 7% attached single-family houses (rowhouses, twins and townhouses), 32% buildings of two to four units.
Of the 12 Hudson County municipalities on this site, Jersey City has the 8th largest share of homes built before 1980: 56%, against a county range of 45% to 86%.
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.
Hail and storms near Jersey City
NOAA’s storm reports show 13 days since 2006 with hail of at least 1 inch inside a 10-mile circle around Jersey City, topping out at 1.75 in on July 6, 2020. The most recent was November 13, 2021.
At the county level, Jersey City shares Hudson County’s record of 6 storm disaster declarations since 2006, the newest DR-4614 (Remnants of Hurricane Ida, September 2021). (OpenFEMA.)
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; 7% 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; 29% 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
Checking a contractor in New Jersey
Any business offering home improvements in Jersey City must be registered with the New Jersey Division of Consumer Affairs, with the number on its contracts and ads (N.J.S.A. 56:8-138, 56:8-144); 47,473 registrations were active in October 2026.
Do I need a permit to replace a roof in Jersey City?
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). In Jersey City, 7% of homes are detached. An attached house, or work on rafters and beams, is not covered.
When were most homes in Jersey City built?
By the Census Bureau’s American Community Survey (2020–2024), the median home in Jersey City was built in 1971, 56% of homes were built before 1980, 28% are owner-occupied.
How often does hail hit Jersey City?
Hail of 1 inch or larger was reported on 13 days within 10 miles of Jersey City from 2006 through 2025 (NOAA Storm Prediction Center). A report means hail fell nearby, not that a roof was damaged.
What license or registration should a roofer in Jersey City have?
Any business offering home improvements in Jersey City must be registered with the New Jersey Division of Consumer Affairs, with the number on its contracts and ads (N.J.S.A. 56:8-138, 56:8-144); 47,473 registrations were active in October 2026.
What they will ask on the phone
Where the house is: the Jersey City address or ZIP
One story or two (or more), detached or attached
The roof you have today, shingle, metal, slate, tile or flat, and its rough age
The number of layers, if anyone has counted
That you want a new roof or a full replacement, and when you want the work done
Whether the house is in a historic district or an HOA