Garage ADU
Devil's Thumb Construction
Garage ADU
A garage ADU converts your existing garage into a legal, livable accessory dwelling unit. It's one of the most efficient ways to add square footage, generate rental income, or create a private space for family — without the cost of new ground-up construction.
Get a Free ConsultationWhat Is Garage ADU?
A garage ADU (accessory dwelling unit) is a self-contained living space created by converting an attached or detached garage. It typically includes a bedroom area, bathroom, and kitchenette, and is permitted as a secondary dwelling on the same property.
Who Is This For?
Homeowners looking to generate rental income, create space for aging parents or adult children, or add property value with a permitted secondary unit.
What's Included
- Design and permit management
- Insulation and weatherproofing
- Electrical and plumbing rough-in
- Bathroom and kitchenette installation
- Flooring, drywall, and interior finishes
- Separate entrance construction if needed
- HVAC or mini-split installation
- Final inspections and certificate of occupancy
Common Questions
- Do you serve my area?
- We serve residential and light commercial projects within approximately 40 miles of Arvada, Colorado — including Denver, Lakewood, Golden, Westminster, Thornton, Broomfield, Boulder, Longmont, Louisville, Superior, Erie, Evergreen, Conifer, Morrison, and Idaho Springs. Call us at 720-322-6899 to confirm availability in your specific area.
- Do you handle permits for garage adu projects?
- Yes. We manage permitting as part of our process. All work is completed to Colorado building codes and inspected by the appropriate local authority.
- How do I get started?
- Call us at 720-322-6899 or send us a message. We'll schedule a free consultation to walk through your project and outline next steps.
Service Area
We build garage ADUs throughout the Colorado Front Range including Arvada, Denver, Lakewood, Golden, Westminster, Boulder, and surrounding communities. We're familiar with local zoning requirements across Jefferson, Denver, Boulder, and Broomfield counties.
Call 720-322-6899 to confirm service availability in your area.