Areas · Mt. Airy

Replacing the Roof on a Prewar Mt. Airy Home?

In 19119, 56.8% of homes were built in 1939 or earlier, the highest share in our area.

Ask for a free inspection in Mt. Airy How estimates work

Zip 19119
Two designated districts nearby
Free inspection

Do Mt. Airy roofs need Historical Commission approval?

Only designated buildings and properties in designated districts do. The Philadelphia Historical Commission's list includes the Central Mt. Airy Commercial district (2021) and the Lutheran Theological Seminary district (2018). Other Mt. Airy houses need just the building permit unless they are individually designated, so check the address first.

Housing age in this area

56.8%of homes in 19119 built 1939 or earlier (±4.1 pts)

U.S. Census Bureau, ACS 2020–2024 5-year, table B25034. Full table: pre-1940 homes by zip.

What should Mt. Airy twin owners know about a new roof?

On a twin, the roof is shared at the party wall, so the new roof has to tie into your neighbor's cleanly, with flashing or a matched edge where the materials meet. Talk to the neighbor before work starts; doing both halves together often looks better and avoids a seam.

Philadelphia's published fee for a residential one- or two-family roof covering replacement is $69, effective October 1, 2026, and the EZ Re-Roofing standard requires a full tear-off when the old roof is slate. Permit fees are the municipalities' published figures. They are not a quote for roof work; your price comes after a free inspection.

Sources and checked date

Last checked 2026-10-29.

Rules change. Confirm with the city, township or borough permit office before you rely on any permit or historic-district detail here.

Roof trouble in Mt. Airy?

Tell us where the house is, how old the roof is and what it is doing. If you have photos, say so and we will ask for them by email. Outside our core area? Send the form and ask.

We answer form requests Monday to Friday, 9am to 5pm. There is no phone line, so the whole conversation stays in writing.