G2 CONSTRUCTION

Future-Proof Your Home with Custom ADUs

Expert ADU Construction in the Denver Metro and around Northern Colorado​

Embracing Colorado's ADU Boom

The landscape for residential development in Colorado is shifting. Thanks to new top-down legislation, it has never been easier for homeowners to build Accessory Dwelling Units (ADUs), also known as Additional Dwelling Units or carriage houses. For the first time, local votes can no longer block these builds — municipalities are now actively encouraging them to support housing flexibility and density. At G2 Construction, we’re proud to be at the forefront of this movement, helping homeowners in the Denver Metro area and expanding across Northern Colorado in cities like Loveland, Fort Collins, and Greeley. Improve your home’s functionality and value with an exceptionally built and beautiful accessory dwelling unit. At G2, we build ADUs that perfectly match your vision.

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Top-Notch Materials

We’ll partner with trusted suppliers to have access to top-quality materials for your ADU project.

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Professional Craftsmanship

G2’s team is composed of expert and passionate builders who are dedicated to exceptional results.

Dedicated Contractors

Seamless Building Experience

From designing to coordinating with local building departments, we’ll make the entire process a breeze.

Get our Downloadable 2025 Greater Denver ADU Guidlines here:

Understanding the New Legislation

Recent legislation passed in Colorado removes many of the previous roadblocks for ADU construction. Cities and counties are now required to allow ADUs in single-family residential zones, making it simpler than ever for homeowners to add secondary living spaces to their properties. Whether you’re considering an in-law suite, rental unit, or detached guest house, now is the time to build.

Project Expectations and Zoning Rules

In Denver County and similar municipalities, ADUs must be placed in the rear 35% of your lot. Side and rear setbacks depend on your lot’s width and whether it has alley access. Visual compatibility with your main house is required, meaning the ADU must look like it belongs — no shipping containers or radically different styles. Size limitations apply, and mobile homes or RVs do not qualify as legal ADUs. Builds must be completed by licensed contractors and are typically required to share utilities with the main home. A separate address is also necessary.

Accessory Dwelling Unit (ADU) Experts

Our expert team of architects, builders, and designers specializes in creating Accessory Dwelling Units (ADUs) tailored to your unique vision. We excel in collaborative efforts, ensuring your ADU reflects your individual style and requirements.

Why More Homeowners Are Building ADUs Now

There’s never been a better time to build. With zoning restrictions eased and new legislation clearing the path, ADUs are now a smart, accessible way to expand your living space. Whether you’re creating a home for extended family, generating rental income, or setting up a private office, an ADU adds lasting value to your property. Homeowners throughout Denver and Northern Colorado are taking advantage of this opportunity — and you can too.

Is an ADU Right Choice for You?

Additional Income

You want to generate a passive income stream by renting out your ADU.

Multigenerational Living

You want to accommodate aging parents, adult children, or other family members who want to live independently while still being close to their loved ones.

Sustainable Living

You want to promote sustainable development by making more efficient use of existing infrastructure and reducing the need for urban sprawl.

Transforming Visions into Exceptional ADUs

At G2 Construction, we bring your dream ADU to life. Dedicated to superior craftsmanship and meticulous attention to detail, we pride ourselves on constructing ADUs that not only meet but exceed your expectations.

Your ADU Project — Handled Start to Finish

From design and permitting to construction and final inspection, we guide you through the entire process. Our team understands the new legislation, local zoning requirements, and how to design a unit that blends beautifully with your existing home while maximizing usable space.

Visualize Your Future ADU

Explore our gallery to see the transformation of visions into reality, illustrating the endless possibilities for your ADU project.

Hear From Satisfied Homeowners

Let these homeowners share their experiences working with G2.

Talk to Your Local ADU Expert Builders

G2 Construction is a team of experienced ADU builders ready to help Denver Metro homeowners tap into the benefits of this long-awaited change. As the legislation spreads and cities like Loveland, Fort Collins, and Greeley follow suit, we’re here to help. If you have questions about ADUs — reach out!
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