Permit
Ask Conestoga first
The state code does not cover a reroof that changes no structure (34 Pa. Code § 403.1(b)(8)). So the township code office in Conestoga is the one to ask before work starts.
Source: 34 Pa. Code § 403.1(b)
Roof Replacement in Conestoga, PA
Half of the 1,657 homes in Conestoga were built before 1976. What the code requires when that roof is replaced, and who signs off, is below.
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.
The rules for a reroof in Conestoga
Layers
No third layer
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). With 57% of Conestoga’s homes were built before 1980, ask what is under the newest layer.
Ice barrier
Set by the local climate table
The code requires an ice barrier where the local climate table (Table R301.2) says so, and each Pennsylvania municipality fills that table in. Ask the township code office or the contractor what Conestoga’s says.
Checked against the code text on October 24, 2026. Code edition, permit and contract rules for the whole state: roof replacement in Pennsylvania.
Homes and roofs in Conestoga
Of 1,624 occupied homes in Conestoga, 1,493 (92%) are owner-occupied. Counting by decade, 14% before 1940, 33% before 1960, 57% before 1980 of the housing was in place, and 12% dates from 2000 on. (ACS 2020–2024.)
The housing is 89% detached houses, 6% manufactured homes.
Of the 59 Lancaster County municipalities on this site, Conestoga has the 19th largest share of homes built before 1980: 57%, against a county range of 27% to 87%.
ZIP codes: 17516
Conestoga and the towns around it
| Place | Median built | Before 1980 | Owners | Row, twin | Hail days |
|---|---|---|---|---|---|
| Conestoga | 1976 | 57% | 92% | 0% | 15 |
| Pequea | 1987 | 40% | 69% | 29% | 19 |
| Manor | 1986 | 42% | 77% | 25% | 19 |
| Martic | 1985 | 42% | 90% | 3% | 11 |
| Millersville | 1966 | 70% | 57% | 17% | 20 |
| Lancaster Township | 1968 | 63% | 68% | 34% | 22 |
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 Conestoga
NOAA’s storm reports show 15 days since 2006 with hail of at least 1 inch inside a 10-mile circle around Conestoga, topping out at 1.75 in on July 23, 2011. The most recent was June 28, 2025.
At the county level, Conestoga shares Lancaster County’s record of 3 storm disaster declarations since 2006, the newest DR-4267 (Severe Winter Storm and Snowstorm, March 2016). (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; 89% 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 | Roofs that will carry solar later | A complete standing-seam system may go over the old roof (R908.3.1) |
| Slate | 75 years | Older houses; 14% 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 | Coating is not a replacement |
Checking a contractor in Pennsylvania
Before signing for a roof in Conestoga, 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 Conestoga
Does a roof replacement in Conestoga need a permit?
Ask Conestoga first. The state code does not cover a reroof that changes no structure (34 Pa. Code § 403.1(b)(8)). So the township code office in Conestoga is the one to ask before work starts.
Is a roof-over allowed in Conestoga, or is it a tear-off?
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). With 57% of Conestoga’s homes were built before 1980, ask what is under the newest layer.
When were most homes in Conestoga built?
By the Census Bureau’s American Community Survey (2020–2024), the median home in Conestoga was built in 1976, 57% of homes were built before 1980, 92% are owner-occupied.
Does Conestoga get hail that damages roofs?
Hail of 1 inch or larger was reported on 15 days within 10 miles of Conestoga 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 Conestoga have?
Before signing for a roof in Conestoga, 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).
What they will ask on the phone
- The street address in Conestoga, or at least the ZIP code
- One story or two (or more), detached or attached
- What is on the roof now (asphalt shingles, metal, slate, tile, or a flat membrane) and roughly how old it is
- 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
- That the house is yours and the decision is yours
The full list: before you call.