Philadelphia's friendly neighborhood plumbers
Fast, honest plumbing you can count on
From a midnight pipe burst to a weekend drain clog, Diag Smoke Plumbing shows up on time, explains the fix in plain English, and gets your home flowing again — no surprises, no upsells.
Request service See what we do
- Licensed & Insured
- 24/7 Emergency Service
- Upfront Flat-Rate Pricing
- 5-Star Rated
What we fix
- Emergency Plumbing Repairs — Burst pipes, major leaks, and no-hot-water calls answered day or night, usually on-site within the hour.
- Drain Cleaning & Hydro Jetting — Slow sinks, backed-up tubs, and clogged mains cleared with the right tool for the job, not the easiest one.
- Water Heater Repair & Installation — Tank and tankless service, same-day swap-outs, and honest advice on when a repair beats a replacement.
- Leak Detection & Pipe Repair — We pinpoint hidden leaks before they wreck your drywall, then fix them the first time.
- Sewer Line Services — Camera inspections, root removal, and trenchless repairs that spare your yard.
- Fixtures & Faucets — Faucets, toilets, garbage disposals, and hose bibs installed clean and leak-free.
Proudly serving Philadelphia & nearby neighbors
We cover Philadelphia and the surrounding communities including Cherry Hill, Camden, and Upper Darby. If you're not sure whether we reach you, just ask — we probably do.
What neighbors are saying
"Our basement was flooding at 2am and they had someone here in under an hour. Friendly, fast, and no surprise charges."
— Maria, South Philadelphia
"Finally a plumber who explains what's actually going on and doesn't try to upsell you. They fixed our water heater the same day."
— Devon, Fishtown
Frequently asked questions
Do you offer 24/7 emergency service?
Yes. Burst pipes and major leaks don't wait for business hours, and neither do we — call any time and a real person answers.
Do you charge for estimates?
No. We give free, upfront flat-rate quotes before any work begins, so you always know the price before we pick up a wrench.
What areas do you serve?
We serve Philadelphia and nearby communities including Cherry Hill, Camden, and Upper Darby.
Need a plumber today?
Tell us what's going on and we'll get back to you fast.