New Construction and Custom Home Design in St. Catharines

The building contractors at Harper Construction have been handling new home construction, renovation and custom home designs in St. Catharines and the Southern Ontario region for over 50 years. We have built a striking reputation among our clients for offering old-world craftsmanship to build and design the home they’ve always dreamed of having. Our team has the experience and expertise to get your project done in a timely and professional manner sticking to your budget and deadlines. Schedule a design consultation and discuss your ideas with our team today!

Our Services

Whether you are planning a new build or renovating your existing space, rely on the expertise of our contractors. We can help you with:

Handyman Services (For New Builds):

  • Fences

  • Gates

  • Drywall repair

  • Painting

  • Flooring replacement

Types of Additions (For Renovations):

  • Bedrooms

  • Bathrooms

  • Basement finishing

  • Kitchen renovation

  • Garages

  • Second storeys

  • Playrooms

  • Decks/patios

  • Sheds

  • In-floor heating installations

Designing Your Home

We understand how important your home is to you. We are approachable, listen to all your needs and ideas and work towards a solution that executes your vision. From the initial planning stage to final touches, we pride ourselves on the quality and attention to detail that are seldom seen in the residential home building industry.

Let’s Get Started

If you think we are a fit for your next construction project, we would love to hear from you.

Contact Us


Harper Construction
13 Hiscott St
St. Catharines, ON

L2R 1C7



Monday: 8:00 AM - 5:00 PM
Tuesday: 8:00 AM - 5:00 PM
Wednesday: 8:00 AM - 5:00 PM
Thursday: 8:00 AM - 5:00 PM
Friday: 8:00 AM - 5:00 PM


St. Catharines and surrounding areas


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