Mount Holly has 3,683 homes, and half of them were standing by 1956. 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.
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 (19% of Mount Holly’s homes) and any work that touches the structure fall outside the rule.
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. 76% of Mount Holly’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
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 Mount Holly, 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. The state’s code edition and the rest of its rules: roof replacement in New Jersey.
Of 3,414 occupied homes in Mount Holly, 2,067 (61%) are owner-occupied. Counting by decade, 30% before 1940, 60% before 1960, 76% before 1980 of the housing was in place, and 15% dates from 2000 on. (ACS 2020–2024.)
The housing is 50% detached houses, 19% attached single-family houses (rowhouses, twins and townhouses), 16% buildings of two to four units.
Of the 36 Burlington County municipalities on this site, Mount Holly has the 11th largest share of homes built before 1980: 76%, against a county range of 21% to 97%.
| Place | Median built | Before 1980 | Owners | Row, twin | Hail days |
|---|---|---|---|---|---|
| Mount Holly | 1956 | 76% | 61% | 19% | 12 |
| Eastampton | 1993 | 31% | 70% | 10% | 11 |
| Westampton | 1991 | 29% | 90% | 31% | 13 |
| Lumberton | 1990 | 33% | 73% | 22% | 13 |
| Hainesport | 2000 | 37% | 89% | 6% | 13 |
| Springfield Township, Burlington County | 1980 | 50% | 93% | 2% | 11 |
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 12 days since 2006 with hail of at least 1 inch inside a 10-mile circle around Mount Holly, topping out at 1.5 in on May 20, 2022. The most recent was April 22, 2023.
At the county level, Mount Holly shares Burlington County’s record of 12 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.
HUD’s useful-life figures are for planning; a warranty is a separate promise. For Mount Holly’s houses: 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; 50% 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; 30% here predate 1940 | Sound slate can be reused (R908.5); broken slate cannot |
| Flat roof: EPDM or TPO | 15 years | Low-slope roofs and rear sections (19% of homes here are attached) | Seams at walls and drainage |
Any business offering home improvements in Mount Holly 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.
Contracts, deposits and the right to cancel: checking a roofing contractor. What moves the price: new roof cost in New Jersey.
None for a detached one- or two-family house. 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 (19% of Mount Holly’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 Mount Holly was built in 1956, 76% of homes were built before 1980, 61% are owner-occupied.
Hail of 1 inch or larger was reported on 12 days within 10 miles of Mount Holly from 2006 through 2025 (NOAA Storm Prediction Center). A report means hail fell nearby, not that a roof was damaged.
Any business offering home improvements in Mount Holly 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.
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.