When it rains, it pours. At RBZ Contracting, we are counted on by homeowners across the Durham Region and Greater Toronto Area to address their waterproofing needs in a timely manner using the most efficient methods. If you're basement has developed water seepage or a moisture  problem, we can help.

Services offered include: weeping tile installation, sump pits, window well drains, interior & exterior waterproofing, membrane installation, foundation perforations and crack repairs. With a 20 year written warranty!

Concrete, Excavating & Waterproofing

Built on a ​​solid foundation.

Homeowners trust RBZ Contracting to help them add value to their homes with additions, basement lowering and underpinning. We have a fleet of excavators and skid-steers of various sizes prepared to meet all of your excavating needs. No job is too small. We move earth for you​​—​literally. 

Services offered include: basement waterproofing,  tight-access excavating, demolition, drilling, jack hammering and disposal, electrical & plumbing trenches, basement lowering, and underpinning.

Our Services

​RBZ Contracting has been the trusted contractor for homeowners in the Durham Region since 1960. Learn more about our services below.



References available upon request! Hear what some of our many satisified customers are saying in our Portfolio section.

Proudly serving the

Durham Region & GTA since 1960.


At RBZ Contracting, we ensure that every pour is made to last. It's for this reason that we have been the first choice for homeowners in the Durham Region and Greater Toronto Area for over 50 years. We put extra care into our work and believe that great things can only develop if built on a solid foundation.​

Services offered include: footings, walls, floor slabs, floating slabs, engineered slabs, sidewalks, patios, porches, stairs, duct banks, driveways, demolition, and underpinning.