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Are you dreaming of adding more space to your home but don't want a normal addition? Well, we can create an accessory dwelling unit (ADU) to fit your needs.

This self-contained space can be transformed into anything you want—a mini home right in your backyard for relatives, a cutting-edge home gym, or a smart investment.

Renting your ADU in Colorado to short-term tourists or long-term tenants can generate a steady income stream, helping to offset your mortgage or fund your next big adventure.

A custom garage might be the answer if you want a secure spot for your cars, a dedicated workshop, or a creative studio. Either way, we can build a garage that perfectly matches your passions and hobbies. 

 

 

Accessory dwelling unit in Boulder, Colorado
Custom ADU in Boulder County, Colorado

LET PETRA ENHANCE YOUR LOT 

When you choose Petra to build your ADU, improve your current garage, or construct a new one, you get a committed partner in this process. Through the highs and the hurdles, we’re by your side every step of the way. 

What sets us apart is our dedication to service and relationships. Whatever the project, we'll work tirelessly until it's complete and up to your standards.

When you work with Petra, you become part of The Pack, meaning your ideas, vision, and peace of mind are our priority. Are you ready to start this journey with us? Reach out to schedule a quick consultation so we can get started.

HOW WILL YOU KNOW WHEN IT'S TIME FOR AN ADU OR GARAGE?

We've already said that an ADU or custom garage can be a great addition to your home, but let's explain why that is. Here are the most common reasons homeowners decide to build and tailor these spaces:

Your Family is Growing

A growing family is a beautiful experience, but it sucks when your space doesn't grow with it. An ADU or custom garage can provide that extra room you need to house an extra relative or provide storage space without the upheaval of moving. 

You Want to Increase Your Home's Equity

If you're looking to boost your property’s market value, an ADU or garage is a surefire way to do it. Not only do they add square footage, but they also offer versatile spaces and stand-out structures that appeal to future buyers.

You Want An Extra Stream on Income

With the growing demand for rental spaces in Boulder, your ADU could be the key to a steady, reliable income that passively works for you 24/7. If you don't want to manage a long-term tenant, tap into the short-term rental market to capitalize on seasonal peaks!

You Don't Have a Room to Call Your Own

Whether you need a home office, a gym, or a creative studio, having your own space can completely change the way you live day-to-day. A custom ADU or garage isn’t just another room—it’s your personal sanctuary, built exactly how you want it, right on your property. Whatever your vision, we’ll roll up our sleeves and create a space that fits your life perfectly.

Working From Home Isn't Working

Many of us are working from home these days, and without a dedicated space, the constant noise, foot traffic, and clutter can be a huge distraction. An ADU or custom garage can give you a quiet, organized space designed for productivity.

FIND DESIGN INSPIRATION BY TAKING A LOOK AT OUR PAST PROJECTS

This is just a peek at the remodels we've had a blast creating for our clients. But remember, the design possibilities don't end here!

Frequently Asked Questions

How much do ADUs cost in Boulder, Colorado?

The cost of an ADU in Colorado can vary depending on the size, design, and materials used. On average, you will expect to spend anywhere from $250,000-$600,000.

Are ADUs legal in Boulder, Colorado?

With the support of Colorado ADU laws, this investment comes with an increase in your property's value and provides you with a flexible living space that can serve various purposes, from housing family members to generating rental income. Still, they must meet specific zoning and building codes, and that's where Petra comes in. We’ll guide you through the legal maze to ensure your space meets all the requirements.

How much does it cost to add a garage to my home in Boulder, Colorado?

Adding a garage to your home in Boulder typically costs between $200,000-$500,000, depending on the size, materials, and any additional features you want to include. Whether you're looking for a basic one-car garage or a multi-functional space with room for storage, tools, and even a workshop, Petra can help you design a garage that fits your needs and budget.

Is adding a garage worth it?

Adding a garage to a house is a worthy investment. It not only increases your home’s value but also provides you with much-needed storage space, protection for your vehicles, and even a potential workshop or hobby area. Plus, a well-designed garage can enhance the overall look and feel of your property.

SERVICE AREA

Creating Beautiful Homes Across the Boulder Metropolitan Area

          • Boulder
          • Louisville
          • Niwot
          • Gunbarrel
          • Lafayette
          • Longmont
          • Hygiene
          • Lyons
          • Superior
          • Erie
          • Jamestown
          • Sugarloaf
          • Pinebrook Hill
          • Valmont
Petra Custom Builders Service Area in Boulder, CO

“EVEN BETTER THAN I IMAGINED.”

Take a Look at What Our Satisfied Clients Have Had to Say

“Our completed home is Paradise. We’ve lived here for 8 months and we are consistently impressed with the quality of the work in our home and our guests are always impressed with the design and finishes. We are happy Petra customers.”

Sarah

“The team was excellent to work with from start to finish and they helped educate us on the best way to approach the evolving project. We couldn’t be more pleased with how everything turned out and wouldn’t recommend anyone else if you want the highest quality work, skill, and attention to detail!”

Brandon

LET'S GET STARTED

Petra specializes in building homes, additions, renovations and basements. Proudly serving the Boulder County area and beyond. 

We look forward to hearing from you