Expert Stair, Railing,
Interior Door & Trim Solutions

Craftsmanship You Can Trust in Ottawa for Over 65 Years

Frank Building Supplies & Sales Ltd. Ottawa

Everything you need, all in one place

Founded in 1959 by Frank Ondrovic, Frank Building Supplies has been a trusted name in the Ottawa building supply industry for over 65 years.

As a family-owned business spanning three generations, we put our clients and team members at the heart of everything we do, establishing ourselves as a reliable partner for homeowners, custom home builders, architects, designers and contractors in Eastern Ontario.

Our Products

STAIRS

Enhance your home's aesthetic appeal and value with a new or renovated staircase.

RAILINGS

Top-notch interior railing solutions at competitive prices.

TRIM

Enhance your home with expertly crafted trim work, including crown molding, baseboards, and more.

INTERIOR DOORS

Specializing in high-quality, stylish, and durable doors that fit any design and budget.

HARDWARE

We offer a wide range of handles, hinges, locks, latches, pocket door kits, and closet rods.

CUSTOM FABRICATION

Our highly experienced fabricators are dedicated to providing solutions for a wide range of custom carpentry needs.

STAIN & FINISHING

Stairs & railing beautifully finished to your specifications.

IN STOCK TRIM & MOULDINGS

Frank Building Supplies carries a wide assortment of trim & mouldings.

Unlock your project’s potential - request a quote for top-quality building supplies today!

Frank Building Supplies promises that your order will meet the highest building standards and adhere to Ontario building codes. With over six decades of experience, our family-run business focuses on delivering exceptional quality and satisfaction. Trust us to handle your project with care and expertise.