Family-owned since 1953, Oriole Basement Waterproofing is the Baltimore area’s #1 local basement waterproofing company servicing both residential and commercial buildings.

While most other basement waterproofing companies offer a lifetime guarantee, we offer a LIFETIME, TRANSFERABLE GUARANTEE so that all future owners of the property are covered too!

CALL US NOW at (410) 879-3360, or use the form below to get your FREE inspection.

“Bid was much lower than other companies, for
the same amount of work.” – John G.

Maryland’s OLDEST basement waterproofing company
MHIC #4247 – we’re a year older than the baseball team!

Family-owned and operated for 3 generations! We have over 65 years of experience and knowledge working in Maryland homes and businesses – we are experts and there’s nothing we haven’t seen!

Lifetime, transferable guarantee with every basement waterproofing job we do!

Flexible availability and rapid responses to handle your water issues as soon as possible!

Financing options available! Talk to us for more information!

Basement Waterproofing in Baltimore and surrounding areas.


After meeting with and working for thousands of clients, we understand the frustration and anxiety of having water leak into your home.

The basement isn’t just another room. Sometimes, it’s where priceless photos and memories are stored in albums that can never be recovered.

Other times, it’s where your family gathers to watch movies. And if nothing else, it is the part of the house supporting all the rest of it above.

So you can’t afford to have work done on it where the problem might not be fixed correctly or completely.

You need a basement waterproofing solution that will work.

You need a basement waterproofing solution that can be completed quickly and efficiently.

You need a basement waterproofing solution that doesn’t break the bank.

This is what Oriole Basement Waterproofing is all about. A local business that cares about helping local neighbors. Call us today, or click the button below to get to know more about our history and the people behind the company.

“Our basement has since been bone dry and we would highly recommend working with Oriole to anyone.” – David S.

“If you want to hire a good, honest, family owned company, I highly recommend you choose Oriole! They’re even the same name as my favorite baseball team!” – Christopher P.


When it comes to wet basements, the problem can only get worse the longer you wait to take action. Don’t let the issue get out of control! Financing is available!

Call us today at 410-879-3360! Or click the button to fill out a contact form.