Smart Lock Installation in Philadelphia, PA

Does your Philadelphia door suit a smart lock?

Most smart deadbolts are built for a modern bored door of standard thickness. Philadelphia's rowhouse doors are often much older, and the rowhouse manual advises keeping original doors, so measure before you buy: door thickness, backset, and whether the existing lock is a mortise lock set into the door edge. On an early townhouse door in Society Hill or Old City, choose a model that fits the existing cutouts instead of one that needs new holes.

Two layouts need a decision first:

• Vestibule entries. Fitted to the outer door, a smart lock puts the keypad first at the sidewalk; on the inner door it stays out of the weather.
• Lower-level garages. Where a rowhouse has a garage entry, as postwar Airlite rows in Southwest Philadelphia typically do, decide whether that door joins the smart lock or stays on a key.

Renters and the inside release

In a rental, a smart lock is a lock change, so get the landlord's approval in writing and plan how the code or key will be shared. Under Section PM-304.18 of the city's Property Maintenance Code, the entry deadbolt of a rented unit needs a throw of at least 1 inch and must open from inside with no key, special knowledge or effort. A smart deadbolt with a manual thumb-turn inside matches that wording; a model that needs a code or app to open from inside is worth checking first. The article on Pennsylvania landlord-tenant lock changes covers whether a tenant can change the locks. This is general information, not legal advice.

Heat, cold and batteries

In the summers NOAA describes for Philadelphia, with extreme heat and humidity, a keypad on an outer door sits in that weather all season, so ask what exposure the model is made for. Winter cold cuts battery output, so batteries that seem fine in autumn can quit in the first hard frost. Replace them at the first low-battery warning, keep a mechanical backup key, and do not hide it on the stoop.

Before you request an installation

Photos of both sides of the door and its edge, the model you have or want, and whether you own or rent. The smart lock installation page covers the service, and Philadelphia covers the vestibule and garage layouts.