ADU & Garage Conversions

Colorado Accessory Dwelling Unit Builders Designing Homes
That Evolve with You

Every ADU begins with a story. Sometimes it’s a family looking for a place where a parent can live independently but nearby. At Jackson Design Build, we believe additional space should feel like it’s always belonged. We transform underused areas into refined living environments, whether that means creating a guest suite, a rental opportunity, or a retreat just steps from your door. Every project begins with a conversation — about lifestyle and vision. ADUs involve unique planning considerations, utilities, setbacks, egress, ventilation, structural assessments, and parking. We guide homeowners through these requirements in plain, accessible language, turning what could be a confusing checklist into a clear, collaborative roadmap.

Castle Pines Custom Home exterior front view - Garage Conversions

Turning Ideas into Inspiring Spaces with an ADU Construction Company in the South Denver

Building an accessory dwelling unit is an opportunity to expand the way your home supports your life at a whole new scale. We specialize in full-site development, complex layouts, and long-lasting materials that harmonize with your home’s architecture. Natural light, custom floor plans, elevated finishes, and thoughtful flow define every project. During this phase, we also evaluate zoning constraints, fire-separation requirements, and mechanical loads, translating regulations into clear explanations so homeowners understand the “why” behind each design choice. There’s a certain artistry in creating spaces that feel meaningful and expansive. Even when the footprint is modest, the design demands more — every detail has to work harder, and clear communication ensures each decision supports long-term performance.

Cherry Hills Village Remodel & garage conversions services in Parker, CO

ADU Conversions That Turn Potential Into Purpose

An ADU is often the most flexible square footage a property can offer. We help you envision how each element can serve both function and comfort while maintaining the sophistication of the main home. Our team guides you through layouts, materials, and selections so you can clearly imagine the finished result.

A successful ADU conversion requires an understanding of structure, systems, and space — and the ability to reconfigure them without compromise. Whether we’re executing full-scale transformations or constructing custom pole barns that blend performance with design, Jackson Design Build leads with architectural integrity and disciplined construction. Each phase unfolds with measured precision: structural tie-ins handled thoughtfully, utilities coordinated seamlessly, and craftsmanship aligned with the standards that define your home. The result is more than a renovation; it’s an expansion of what your property can become.

Expanding Space, Enriching Life

An accessory dwelling unit or conversion is more than a construction project, it’s a way to make your home more versatile, valuable, and deeply personal. As construction nears the finish line, there’s always a moment when the ADU feels complete for the first time, morning light stretching across new flooring, clean lines connecting one function to another, and a sense of independence built into the layout.

Jackson Design Build creates spaces that feel complete and independent, not simply repurposed. Every project is built to meet the demands of long-term living, multi-generational needs, and high-end residential standards. These units aren’t side projects; they become meaningful extensions of your property — thoughtful, durable, and designed with the future in mind.

ADU & Garage Conversion FAQs

What is the difference between an ADU and a garage conversion?

An ADU, or accessory dwelling unit, is a secondary living space on the property with independent living functions such as a kitchen, bathroom, and sleeping area. A garage conversion transforms an existing garage structure into livable space. Some garage conversions qualify as ADUs, while others function as offices, guest suites, or flexible living areas.

ADU regulations vary significantly by municipality, zoning district, lot size, and HOA restrictions. 

Requirements may address: 

  • Parking 
  • Height limitations 
  • Utility connections 
  • Owner occupancy 
  • Setbacks 
  • Maximum square footage 


We help homeowners understand local requirements before design begins. 

Good design makes the space feel intentional rather than improvised.

Most ADUs require coordinated utility planning. 

This may include: 

  • Electrical service upgrades 
  • Plumbing extensions 
  • Sewer connections 
  • Gas line capacity 
  • Separate HVAC systems 
  • Internet and data access 


Infrastructure planning is one of the most important parts of a successful ADU project.

Absolutely. Many homeowners build ADUs to support multigenerational living while maintaining privacy and independence. ADUs can create flexible living arrangements that adapt over time as family needs evolve.

Garage conversions often involve more complexity than homeowners initially expect. 

Common challenges include: 

  • Structural modifications 
  • Slab elevation differences 
  • Moisture and insulation issues 
  • Utility upgrades 
  • Parking compliance 
  • Permit requirements 
  • Limited natural lighting 


Careful planning helps ensure the finished space feels comfortable, durable, and code-compliant.

See What Our Client Says

Craftsmanship that speaks for itself, trusted by homeowners and businesses alike.