Attached ADU near Greenwood Village, CO

Prospect 30 Eight Construction proudly offers its high-quality building services to the charming community of Littleton. Known for its unique blend of suburban tranquility and easy access to metropolitan conveniences, Littleton is the ideal setting for a custom home, home addition, and Accessory Dwelling Unit (ADU).

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.

Zelenka Development is a licensed ADU builder and custom home contractor in the Denver metro area, offering ADU construction, garage conversions, renovations, and integrated design services with full permitting support.

Murphey's Hammer is a Denver-based contractor specializing in ADUs, home additions, garage builds & outdoor living spaces. Serving Denver Metro, Aurora, Littleton & more with personalized, quality craftsmanship.

Riverwood Homes of Colorado, based in Colorado Springs, specializes in custom home building and luxury remodeling with 20+ years of experience. Award-winning at the 2021 Parade of Homes, they serve Monument, Castle Rock, Parker & more.

Denver ADUs (granny flats, garage conversions, in-law units) offer affordable housing density solutions. DL Engineering Inc. provides structural engineering, design, and permitting services for Denver accessory dwelling unit projects.

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.

Mile High Construction is a Denver Metro custom home builder with nearly 30 years of experience. Led by Jordan Barnett, they offer personalized design, sustainable building, and transparent communication, guiding clients from consultation to final walk-through.

Studio Home by Studio Shed offers custom & prefab ADUs across Texas, including San Antonio, Austin, Dallas & Houston. Units range from studios to full living spaces. Permit costs vary: Dallas $3K–$8K, Houston $2.5K–$7.5K.

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.

ModernSpace ADU Construction is a trusted ADU builder in Corona with 20+ years of experience. They offer detached ADUs, garage conversions, JADUs, attached additions, and full design services including permits and 3D renderings.

Custom ADU Builders, LLC is Denver's trusted ADU contractor offering detached ADUs, garage conversions, and home remodeling. Serving Aurora, Lakewood & more with transparent pricing and expert permitting support.

Prenvalley Builders is Denver's trusted ADU contractor & custom home builder. Specializing in ADUs, renovations, pop-tops & garages across the Front Range, they offer a seamless design-build process with honest pricing & energy-efficient construction.

FBC Remodel Denver uses a Design-Build model for home additions, integrating architects and contractors under one roof for efficient, accurate budgeting and clear communication. They handle permits, offer guaranteed pricing, 3D renderings, and manage projects from design to completion.

L&D Construction builds ADUs across Denver, including detached units, garage conversions, and attached living spaces. Projects focus on multigenerational living, rental income, and accessibility, serving neighborhoods citywide with zoning-compliant, adaptable designs.