Why Choose Windmill Construction?


Windmill Construction Cornwall has been building quality homes in the Cornwall area for more than 14 years, generating exceptional results. With more than 20 years experience in Cornwall home construction our primary focus is constructing dream homes for our valued clients.


Along with new Cornwall home construction and renovation, our versatile services also include commercial and industrial projects and services. We are happy to announce the supply and installation of insulated concrete forms (ICF) for all Cornwall construction jobs.


At Windmill Construction Cornwall, your satisfaction is our priority. That’s why all of our builds are above and beyond code requirements. We want to take the stress out of the process for you, which is why we handle the permit applications for all our Cornwall home construction jobs.

20+ Years Building In Cornwall

tarion homes logo Windmill Construction Cornwall has been a Tarion Registered Builder in Ontario since 1997. Tarion Warranty Corporation is a private corporation under the laws of Ontario launched in 1976 to administer the Ontario New Home Warranties Plan Act.


Windmill Construction Building A Cornwall HomeEvery new home and condominium unit purchased in Ontario comes with statutory warranty coverage from the builder that is backed by Tarion Warranty Corporation.  Only registered builders are legally permitted to build new housing units in Ontario. READ MORE 


Our promise as a Cornwall home construction company is to build community value in Cornwall into every project while delivering professional expertise, exceptional customers service and quality construction.


Partners & Certificates


tarion construction logo Adam Beehler Plumbing

Take a look at Windmill Constructions proud partners and certificates, which help to ensure every new home construction in Cornwall is of the highest quality.

Our Blog








Check out our latest blog posts to learn more about Windmill Construction and our home construction services, seeing what sets us apart from other Cornwall Construction companies.