Renfrew Castle Building Centre

Renfrew and Burnstown Castle Building Centres are an expanding group of Home Improvement Centres servicing builders, contractors, DIYers, and homeowners across the Ottawa Valley. With over 10,000 square feet of combined retail space, two lumber yards and over 15 acres of property, a fleet of different vehicles, and over 30 amazing staff we are truly full-service!

We stock all the building materials you need including lumber, drywall, insulation, roofing, siding, windows and doors. Not to mention a wide array of interior finishes including kitchen and bathroom products, moulding, paint, and hardware.


Monday to Friday – 7:30am – 5:00pm
Saturday – 9:00am – 2:00pm


1054 Gillian Road
Renfrew ON
K7V 4A6