ADU Contractors near Castle Rock, CO
Tumbleweed Tiny House Company
1450 Valley Street, Colorado Springs, CO 80915
29.6 miles
Tumbleweed Tiny House Company builds custom tiny homes on wheels, offering models like ELM, CYPRESS, FARALLON, and ASPEN. Fully customizable, delivered to all 50 states, with a 12-month build time and ready inventory available.
read more
Verified Builders
1660 Lafayette Street, Denver, CO 80218
26.3 miles
Verified Builders is a licensed Denver remodeling company offering ADU construction, kitchen & bathroom remodeling, basement finishing, and custom home builds. Serving Denver, Littleton, Aurora & more since 2016.
read more
Original Roots Design + Build
383 Corona Street, Denver, CO 80218
24.7 miles
Central Denver's trusted ADU builders and design/build remodelers specialize in older homes. Offering garage conversions, granny flats, and detached ADUs, their skilled team delivers client-inspired design, quality craftsmanship, and outstanding s... read more
AAA Home Improvements
10701 West Morrison Road, Lakewood, CO 80227
25.1 miles
AAA Home Improvements is a Denver ADU contractor building detached, garage conversion, basement, above-garage, and attached ADUs across the Front Range. They manage design, permitting, and construction for homeowners seeking rental income, multige... read more
Krick Design Build
759 1/2 Elati Street, Denver, CO 80204
25.5 miles
Krick Design + Build is a Colorado Front Range residential design-build firm specializing in ADUs. Founded by Licensed Architect Matthew Krick, they've completed 57+ ADUs including backyard cottages, garage conversions, and in-law suites.
read more
ADU4U
2422 Champa Street, Denver, CO 80205
27 miles
ADU4U is a veteran-owned ADU builder in Denver offering full-service accessory dwelling unit construction, planning, real estate, and financing. Build a granny flat, in-law suite, or detached ADU for rental income or multigenerational living.
read more
River North Basement Company
3629 Jason Street, Denver, CO 80211
28.1 miles
River North Basement Company is a Denver ADU contractor offering construction and remodeling services for accessory dwelling units, including rental units, in-law suites, and guest spaces, ensuring code compliance throughout.
read more
ADU 5280
440 Pennsylvania Street, Denver, CO 80203
24.9 miles
ADU 5280 is a Denver-based ADU design-build company since 2013, offering detached ADUs, garage conversions & home additions. They manage zoning, permits, design & construction for homeowners looking to boost property value.
read more
Olerra Living Innovations
1495 Canyon Boulevard, Boulder, CO 80302
49.6 miles
The Smartest Modular ADU for your Backyard
read more
TinyMod
8150 Gray Fox Dr, Evergreen, CO 80439
33 miles
TinyMod (TMOD™) is an offsite development partner offering feasibility analysis, project management, and factory coordination for builders. Services support ADUs, modular communities, BFR, and missing middle housing with up to 60% faster build t... read more
3R Services
10825 West 32nd Avenue, Wheat Ridge, CO 80033
29.9 miles
3R Services builds ADUs in Arvada, CO, including backyard cottages, garage conversions & in-law suites. Projects cost $80K–$250K, take 3–6 months, and include permitting, transparent pricing & a 1-year warranty.
read more
Arch Design & Build
9800 Mount Pyramid Court, Englewood, CO 80112
11.1 miles
Arch Design & Build is a licensed Denver remodeling company specializing in ADU construction, garage conversions, kitchen & bathroom remodeling, basement finishing, and home additions. They offer upfront pricing, VR design previews, and a ... read more
Prestige Contractors
115 Wilcox Street, Castle Rock, CO 80104
0.5 miles
Prestige Contractors builds ADUs in Castle Rock & Douglas County with 20+ years of experience. Services include detached units, garage conversions, above-garage ADUs & attached additions. Fully permit-managed & code-compliant.
read more
Rescue Restoration & Construction
1415 Park Avenue West, Denver, CO 80205
27.3 miles
Rescue Restoration specializes in constructing Additional Dwelling Units (ADUs) in Colorado. Their lead chief estimator can help design a custom ADU to fit your needs and financial goals. They are the lead resource in the Denver Metro area when it... read more
Factor Design Build
4255 Jason Street, Denver, CO 80211
28.6 miles
Factor Design Build is a Denver & Boulder, CO design-build firm with 30+ years of experience in luxury home remodeling, custom new homes & additions. Their integrated team of architects, designers & builders ensures seamless, on-budget... read more
Other cities in Colorado
What you need to know
ADU Contractors in Castle Rock, Colorado: Building in a Fast-Growing Community
Castle Rock, Colorado, is one of the fastest-growing cities in the state, situated between Denver and Colorado Springs along the I-25 corridor. This rapid growth has driven significant demand for Accessory Dwelling Units (ADUs), as homeowners look for ways to add housing options, generate rental income, or accommodate multigenerational families. Working with experienced ADU contractors in Castle Rock is essential to navigating the town's specific zoning codes, building regulations, and design standards that reflect the community's commitment to maintaining its unique character.
Castle Rock ADU Regulations and Zoning Requirements
The Town of Castle Rock has specific rules governing ADU construction that homeowners and contractors must follow carefully. ADUs are generally permitted in single-family residential zones, but there are important restrictions to be aware of:
- Size limitations: Detached ADUs are typically limited in square footage relative to the primary dwelling size.
- Owner occupancy: Castle Rock may require the property owner to occupy either the primary residence or the ADU.
- Setback requirements: ADUs must comply with specific setback rules from property lines, which vary by zone district.
- Design standards: The ADU must be architecturally compatible with the primary structure and surrounding neighborhood aesthetics.
- Utility connections: Separate utility meters and connections may be required depending on the ADU type.
Because Castle Rock's municipal code is regularly updated to reflect the town's growth, it is critical to work with a licensed ADU contractor familiar with local Castle Rock building permits and the Town's Community Development Department requirements.
Types of ADUs Built by Castle Rock Contractors
Skilled ADU builders in Castle Rock, CO can construct several types of accessory dwelling units depending on your property layout and goals:
- Detached ADUs: Standalone structures built in the backyard, separate from the main home.
- Attached ADUs: Units added to the side or rear of the existing home with a shared wall.
- Garage conversions: Converting an existing attached or detached garage into a livable space.
- Basement ADUs: Finishing or converting a basement into a self-contained living unit.
Why Hire a Local Castle Rock ADU Contractor?
Hiring a local ADU contractor in Castle Rock offers distinct advantages. Local professionals understand the Douglas County and Town of Castle Rock permitting processes, are familiar with HOA restrictions common in Castle Rock's many planned communities, and know the regional climate considerations — including snow load requirements and foundation needs specific to the Colorado Front Range. A knowledgeable contractor will manage everything from design and permitting to construction and final inspection, ensuring your ADU project is completed efficiently and in full compliance with all local regulations.