Family Owned & Operated Waterproof Company Since 1951

Phone: (330) 544-4280 or (330) 534-1212

Business Hours: 8:30 to 4:30 M-F. Saturdays by appt. (After hour services available)

prevent moisture and mold

Why Choose Callow Waterproof, Inc.?

The short answer is, "We stop water on the outside before it enters your basement. Our method is the correct way to waterproof!"

Callow Waterproof has been locally owned and operated for over sixty years. So, why choose us over the competition? Years of solving water problems has given us the experience and expertise needed to handle any job.

Craig Callow Sr.We dig deep to make sure that the whole wall has been waterproofed. We dig and protect the entire wall from top to bottom to ensure NO water gets inside your basement!


We only use the most modern, effective and quality products to waterproof. Water damage is never a temporary problem, so let us use the products that have held up against the test of time!

Family Owned & Operated

Callow Waterproof, Inc. is the Valley's oldest and most experienced waterproofing company. It's been family owned and operated for over sixty years. We will never franchise our work, and all work is supervised by the owner. We offer a Lifetime Transferable Guarantee, which means no matter how long your home stands or who is in charge at Callow, we'll still honor our guarantee. We believe in investing locally. We support the Mahoning Valley by hiring qualified people that live local, so what they earn here is spent here.


At Callow Waterproof, Inc., we know it's important to have someone there for you. When flooding emergencies arise, we'll have someone ready to talk to and give you a hand. We're centrally located in Niles, Ohio, and travel out to the outer edges of Mahoning and Trumbull counties. All customer requests are handled promptly.

No Hidden Fees

waterproof basement material

Modern, Effective and Quality Basement Waterproof Material

There are no annual maintenance fees! We offer the best pricing for the best quality. You'll see that our A+Better Business Bureau Rating is well deserved.

Callow Waterproof

The first company in the area to develop, install, and guarantee an EXTERIOR SYSTEM that not only keeps your basement dry; it also prevents further water damage. Owner Craig Callow Sr. works with the crew to ensure a QUALITY installation. WE ARE OPEN YEAR-ROUND for whenever your need may arise!

Callow Waterproof inc.

1115 Olive St.
Niles OH 44446-3608

Phone: (330) 544-4280

Click for the BBB Business Review of Callow Waterproof

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