Home Additions

HOME ADDITION CONSTRUCTION SERVICES

Serving Berthoud, Johnstown, Fort Collins, Loveland, Windsor, or surrounding Northern Colorado areas

Established in 1998

Fully Licensed and Insured

Detail-Oriented

Expand Your Home With Home Addition Construction

When your house feels a little bit small, you may not have to move. If you love your current property, you can get the space you need with a home addition. It sounds like an ambitious project, but you'll get the results you need with help from the experienced team at J. Allen Construction Company.


We've helped countless customers with all sorts of home-building projects, and we specialize in custom finishes that make your home dreams come true. When it comes to additions, we'll work with you to understand your needs, and we'll plan the addition so it fits seamlessly into your home's current footprint.


Plus, you can tell us what you want the space to do. We'll work out the custom finish that you need to make the space really work for your family. Our team will be there for you throughout the entire process.


Let's talk about how a home addition can change your life. Get an estimate when you fill out the easy online form today.

Choose Licensed and Insured Contractors

Never take chances with your home. It's vital to choose a contractor you trust. When you choose J. Allen Construction Company, you'll get an experienced, detail-oriented team that is fully committed to meeting your needs.


Not only are we licensed and insured, but we're a local, family-owned business. This means we have the skills to build to perfection and the dedication to focus on your preferences. You'll get to work with our owner on every job, and we've used the same team of trustworthy contractors for over 20 years.


Since 1998, J. Allen Construction Company has been the go-to team for custom home building in Berthoud, Johnstown, Fort Collins, Loveland, Windsor, or surrounding Northern Colorado and Southern Wyoming areas. Tell us how we can serve you today. We like making dreams come true!

Do You Need More Space?

Fill out the online form to discuss home additions with a licensed and insured team

Request an Estimate
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We hired J. Allen Construction Company to do work on our house, and we are more than thrilled with the results. They were very prompt and were very detail-oriented. They completed the work exactly as we wanted but gave their expert advice when needed.

- Melissa B. via Google

Learn More About

J. Allen Construction Company

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