About
Old Line Plumbing is a licensed plumbing company based in Baltimore. We started with a simple rule: tell people the price before the work, not after.
Every job begins with an inspection and a written quote you approve first. MD Master Plumber #MP-021184. Our crews protect your floors, explain what they are doing in plain language, and clean up before they leave.
See the services we handle or request an estimate whenever you are ready.
20+ years in the trade
3,000+ jobs completed
Same-day response
MD Master Plumber #MP-021184
“They found the problem fast, showed me the price in writing before starting, and the final bill matched it exactly. That is who I call for plumbing work now.”
Have a question about your home?
Call (410) 555-0116. We will give you an honest read on it, no pressure.