home addition builder in Fort Collins, CO, Northern Colorado and Southern Wyoming

Add On to Your Existing Space

Are you outgrowing your current space but love where you live?

J. Allen Construction is the home addition contactor who can build the space you and your family needs.

Contact us to discuss your space and we can help you style a build that will best complement your existing structure. We're happy to walk you through the entire process and get started on your home addition.