Roof Replacement in West Manheim, PA

Half of the 4,003 homes in West Manheim were built before 2002. 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.

Call (833) 781-1806 Replacement and new roofs only · homeowners

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.

A Pennsylvania stone-and-brick house with a new shingle roof

The rules for a reroof in West Manheim

Permit

West Manheim’s ordinance decides

The state code does not cover a reroof that changes no structure (34 Pa. Code § 403.1(b)(8)). The township code office can say what West Manheim requires.

Source: 34 Pa. Code § 403.1(b)

Layers

One old layer can stay; two cannot

A new roof may go over one existing layer; with two or more, or over slate, clay or cement tile, everything comes off to the deck (IRC R908.3.1.1). 32% of West Manheim’s homes were built before 1980; many have been reroofed before.

Source: IRC 2021, Chapter 9 (Pennsylvania edition, UpCodes)

Ice barrier

Set by the local climate table

Whether an eave membrane is a code item depends on the climate table the municipality filled in when it adopted the code (IRC R905.1.2, Table R301.2). Ask the township code office or the contractor what West Manheim’s says.

Source: IRC 2021, Chapter 9 (Pennsylvania edition, UpCodes)

Checked against the code text on October 24, 2026. The state’s code edition and the rest of its rules: roof replacement in Pennsylvania.

Homes and roofs in West Manheim

Of 3,833 occupied homes in West Manheim, 3,496 (91%) are owner-occupied. Counting by decade, 10% before 1940, 18% before 1960, 32% before 1980 of the housing was in place, and 56% dates from 2000 on. (ACS 2020–2024.)

The housing is 71% detached houses, 21% attached single-family houses (rowhouses, twins and townhouses).

56% of homes here were built in 2000 or later. HUD’s useful-life table gives an asphalt-shingle roof 20 years, so roofs on houses from the early 2000s are reaching that age.

Of the 57 York County municipalities on this site, West Manheim has the 55th largest share of homes built before 1980: 32%, against a county range of 25% to 98%.

ZIP codes: 17331

West Manheim and the towns around it

Place	Median built	Before 1980	Owners	Row, twin	Hail days
West Manheim	2002	32%	91%	21%	16
Penn Township, York County	1983	45%	84%	21%	17
Manheim Township, York County	1984	44%	94%	4%	17
Hanover Borough	1956	77%	53%	22%	18
Conewago Township, Adams County	1989	37%	87%	21%	17
McSherrystown	1973	70%	48%	22%	18

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 West Manheim

Within 10 miles of West Manheim, hail of an inch or more was reported on 16 days between 2006 and 2025, the biggest stones 1.75 in on September 21, 2024. The most recent was March 16, 2025.

York County has had 3 federal major-disaster declarations for storms since 2006; the latest was DR-4618, 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.

What goes on the roof next

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; 71% 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; 10% here predate 1940	Can’t be roofed over; check the framing for the weight
Flat roof: EPDM or TPO	15 years	Low-slope roofs and rear sections (21% of homes here are attached)	Seams at walls and drainage

Checking a contractor in Pennsylvania

Before signing for a roof in West Manheim, get the contractor’s PA registration number: the home improvement law requires registration with the Attorney General above $5,000 a year of such work, and the number on contracts and estimates (HICPA § 3, § 6).

Contracts, deposits and the right to cancel: checking a roofing contractor. What moves the price: new roof cost in Pennsylvania.

Questions about a new roof in West Manheim

Is a permit required for a new roof in West Manheim, PA?

West Manheim’s ordinance decides. The state code does not cover a reroof that changes no structure (34 Pa. Code § 403.1(b)(8)). The township code office can say what West Manheim requires.

Can a new roof go over the old one in West Manheim?

When were most homes in West Manheim built?

By the Census Bureau’s American Community Survey (2020–2024), the median home in West Manheim was built in 2002, 32% of homes were built before 1980, 91% are owner-occupied.

Does West Manheim get hail that damages roofs?

Hail of 1 inch or larger was reported on 16 days within 10 miles of West Manheim 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 West Manheim have?

What they will ask on the phone

The street address in West Manheim, or at least the ZIP code
How many stories the house has, and whether it is detached or attached
What covers the roof now and about when it went on
How many layers are on it, if you know
Your timing for a complete replacement
Whether the house is in a historic district or an HOA
That you own the home and decide on the roof

The full list: before you call.