Adding an Accessory Dwelling Unit (ADU) to your property is a smart way to expand your living space, create a private guest suite, or accommodate multi-generational living. With the right design choices, a detached ADU can also significantly increase the value of your home.

At Riverwood Homes of Colorado, we help homeowners in Colorado Springs, Monument, Castle Rock, Black Forest, Larkspur, and the Tri-Lakes area design and build detached ADUs that combine functionality, style, and long-term value. Here’s how to maximize the potential of your ADU.

  1. Optimize the Floor Plan

The most valuable ADUs are efficiently designed, with layouts that maximize usable space. Consider:

  • Open-concept living areas to make the space feel larger
  • Adequate storage solutions for long-term functionality
  • A separate entrance for privacy and rental potential (where allowed by local regulations)

Learn more about Accessory Dwelling Units (ADUs) and design options.

  1. Focus on Quality Finishes

High-quality materials enhance both aesthetic appeal and durability, increasing your ADU’s value. Consider:

  • Premium flooring and cabinetry
  • Modern fixtures and appliances
  • Durable, low-maintenance exterior siding

By matching finishes to your main home or using stylish contemporary options, your ADU will feel like an integrated part of the property.

Explore Luxury Custom Homes for inspiration on finishes and design.

  1. Include Functional Features

Maximize your ADU’s usability by incorporating features that meet a variety of needs:

  • Full kitchen and bathroom for independent living
  • Flexible spaces that can serve as home offices, studios, or guest rooms
  • Energy-efficient HVAC systems to reduce ongoing costs

For home design ideas, check out our Semi-Custom Homes options.



detached adu kitchen
  1. Plan for Utilities and Permits

A key factor in both cost and long-term value is proper utility connections and permitting.

  • Ensure water, sewer, electricity, and gas connections are optimized
  • Verify local zoning rules for detached ADUs, especially in El Paso County, where ADUs must be used for family members or guests, not rental income
  • Factor in site prep and grading costs

Proper planning ensures your ADU meets code requirements and functions seamlessly alongside your main home.

  1. Maximize Outdoor Appeal

The exterior and surrounding space contribute heavily to perceived value:

  • Well-landscaped patios, walkways, and outdoor seating
  • Harmonious design with the main home’s architecture
  • Privacy landscaping like fencing or hedges

Outdoor appeal helps your ADU feel like a complete, self-contained unit while enhancing overall property value.

Frequently Asked Questions

Q: How much does it cost to build a detached ADU in Colorado?
A: Depending on size and finishes, most detached ADUs range from $350,000 to $750,000.

Q: Can an ADU be used as a rental in El Paso County?
A: No. ADUs must be occupied by a family member or used for guests only.

Q: How long does it take to build an ADU?
A: On average, 8–9 months after permitting, depending on complexity and finishes.

Why Build Your ADU with Riverwood Homes of Colorado?

With over 20 years of experience, Riverwood Homes of Colorado has built dozens of custom and semi-custom homes in Colorado. Our team guides you through design, permitting, and construction, ensuring your ADU is functional, stylish, and built to last.

Whether you’re looking to add a detached guest house, private living space, or family suite, we can help you create an ADU that enhances your property and meets your lifestyle needs.

Ready to Build Your Detached ADU?

Contact Riverwood Homes of Colorado today to schedule a consultation and start planning a detached ADU that maximizes both value and functionality on your property in Colorado Springs, Monument, Castle Rock, and surrounding areas.