A permit is the point where the city checks that construction is safe, to code, and done by someone accountable. When work skips the permit, it skips the inspection — and the people most affected are the neighbors right next door. Here's how to check whether the work near you is permitted, and how to report it if it isn't.
Most substantial construction in Philadelphia — structural changes, additions, new electrical or plumbing, changing how a building is used — requires a permit from the Department of Licenses & Inspections (L&I). The permit is what triggers inspection at the stages that matter. Cosmetic work usually doesn't need one, but the projects that create real safety risk almost always do. "Unpermitted" means that authorization was never obtained; the work was never signed off.
Philadelphia publishes permits as public records tied to each address. You can look up a property to see what permits are on file, what work they cover, and when they were issued. Our guide on how to look up building permits in Philadelphia walks through it step by step. The tell is a mismatch: visible construction — dumpsters, scaffolding, gutted interiors, new framing — with no permit on file that matches what you're seeing.
The absence of a permit is often a clearer signal than the presence of one. Real work with no paperwork behind it is exactly what's worth a second look.
Suspected unpermitted or unlicensed construction goes to L&I, the department responsible for permits, inspections, and enforcement. Non-emergency property concerns can also be filed through Philadelphia 311, which routes them to the right place. When you report, include the address, a short description of what you saw, and the dates — specifics make a complaint actionable.
If a condition looks like an immediate danger to people — a partial collapse, an unsafe excavation next to an occupied home — that's an emergency, not a routine complaint, and should be treated as one.
L&I can inspect, and if the work is out of compliance it can issue a violation, a stop-work order, or require the owner to obtain permits and correct the work. Those actions become part of the property's public record — which is why a single report can add lasting, visible accountability to a parcel, not just a one-time visit.
You shouldn't have to manually check a city database to know what's happening on your own block. BlockWatcher watches an address, block, or district for you and emails you when a new permit — or a violation — appears, in plain language. That turns "I noticed the scaffolding weeks in" into "I knew the day the permit posted." For the bigger picture, see reading a neighborhood before it changes and why every block needs a watcher.
Philadelphia publishes permits as public records tied to each property. Look up the address in the city's permit data to see what's on file and what it authorizes; visible work with no matching permit is a common sign of unpermitted construction.
Report it to the Department of Licenses & Inspections (L&I), which handles permits and enforcement; non-emergency concerns can also go through Philadelphia 311. Note the address, what you observed, and the dates.
Unpermitted means the project was never authorized or inspected. Unlicensed means the contractor isn't licensed to do the work. Both skip the checks that keep construction safe, and both are worth reporting.
Philadelphia's 311 and L&I intake generally let you raise a property concern without turning it into a public accusation from you; the durable public record is the permit and violation history on the property itself.