As housing demand continues to grow across Colorado, more homeowners are turning to Accessory Dwelling Units (ADUs) as a smart, flexible solution. Whether you want to accommodate extended family, or simply add usable space to your property, an ADU can deliver long-term value and lifestyle benefits.
At Riverwood Homes of Colorado, we specialize in designing and building custom ADUs in Colorado Springs, Castle Rock, Monument, Black Forest, Larkspur, and the Tri-Lakes area. If you’re considering this addition, this guide will help you understand everything you need to know—from types of ADUs to design tips and zoning considerations.
What is an ADU?
An Accessory Dwelling Unit is a secondary residential structure located on the same lot as a primary home. It has its own entrance, kitchen, bathroom, and living space, making it a fully independent residence.
ADUs can be used for:
- Multi-generational living (parents, adult children)
- Guest accommodations
- Home offices or creative studios
Types of ADUs
There are several configurations to choose from based on your lot size, local codes, and desired use:
Detached ADU
A separate structure built in your backyard or side yard. Offers maximum privacy and flexibility.
Attached ADU
Connected to the main home, often through a shared wall or hallway. Typically easier to hook into existing utilities.
Above-Garage ADU
A unit built above a garage—ideal for narrow or smaller lots.
Garage Conversions
Transforming an existing garage into a livable ADU. Cost-effective if structural conditions are favorable.
Key Benefits of Building an ADU
- Multi-Generational Living – Keep loved ones close while giving everyone their own space.
- Increased Property Value – A well-designed ADU can significantly raise your home’s resale value.
- Flexible Use – Perfect for remote work, creative studios, or future aging-in-place needs.
What to Know Before You Build
Zoning and Permits
Each city or county in Colorado has different rules around ADUs. Some allow detached units, others may have restrictions on square footage, setbacks, or rentals.
Riverwood Homes is familiar with regulations across El Paso, Douglas, and Teller counties—we’ll help you navigate approvals and paperwork.
Design Considerations
Your ADU should complement your main home in terms of architecture and finishes. At Riverwood, we help you select materials, layouts, and features that create a cohesive, high-quality design.
Common features include:
- Full kitchen or kitchenette
- One or two bedrooms
- ADA-accessible layouts
- Private entrances
- Patios or decks for added outdoor space
Budget Planning
Most ADUs in Colorado cost between $200,000 to $500,000, depending on size and finishes. Detached units tend to be more expensive than conversions or attached options. We’ll provide a clear estimate and work within your goals.
Why Work with Riverwood Homes?
Riverwood Homes brings decades of experience, architectural insight, and a deep understanding of Colorado building codes to every ADU project. We’ve helped dozens of homeowners build efficient, stylish, and functional accessory units that add lasting value to their homes.
Let’s Bring Your ADU Vision to Life
Whether you’re just exploring your options or ready to break ground, we’re here to help. Contact Riverwood Homes of Colorado today to start designing your custom ADU in Colorado Springs, Castle Rock, or surrounding areas.
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