CT ADU

Modular and Prefab ADU Builder

CT ADU is a trusted ADU builder in Connecticut, specializing in modular and prefab ADUs, tiny homes, and backyard cottages. We handle zoning, permitting, financing, and construction to make ADU building easy. Our expert team includes architects to customize ADU plans, builders to manage your ADU project, local real estate agents to provide ADU rental comps and valuations and vetted ADU lenders offering high-leverage, flexible ADU loan programs. Visit our site to explore models like The Noroton, The Haven, and The Westport ADUs. We serve Fairfield County, including Darien, Fairfield, Greenwich and surrounding ADU-friendly towns. Contact us today to see if your property qualifies for an ADU and explore the best size and style for your needs!

Modular and Prefab ADU Builder CT ADU specializes in modular and prefab Accessory Dwelling Units (ADUs) across Fairfield County, CT. We provide turnkey ADU solutions—from zoning and permitting to construction and financing. Services include tiny home construction, modular cottages, in-law suites, and home office ADUs. Serving Darien, Stamford, Greenwich, Norwalk, and Westport. Backyard Cottage & Tiny Home Builder Build a backyard retreat, guest house, or rental-ready ADU. We offer energy-efficient tiny homes, custom modular plans, and seamless site installation. Ideal for homeowners in New Canaan, Fairfield, and surrounding towns. ADU Financing and Planning Services We guide homeowners through ADU feasibility studies, permitting, and access to flexible loan programs. Our team handles the process from consultation to final construction.