Attached ADU

GetApprovedADU is a consulting firm specializing in ADU and JADU approvals. They assist with detached ADUs, garage conversions, granny flats, and attached units, helping homeowners boost property value and expand affordable housing options.

ADU Geeks is a full-service ADU contractor offering planning, design, permitting, and build support. They also provide a $150 online ADU Development Masterclass covering feasibility, financing, and construction, ideal for California homeowners and investors.

ProStruct Engineering offers ADU structural engineering services across California, providing permit-ready plans and calculations for detached ADUs, garage conversions, granny flats, and more, with a 2–3 week turnaround.

LPI Construction offers custom homes, ADU construction, and solar electric systems. Services cover hillside builds, detached/attached ADUs, garage conversions, and sustainable building practices, managing full project lifecycles from permits to completion.

Bello Construction, led by Narsay and Sami, specializes in home remodeling and additions. Known for quality workmanship, budget management, and clear communication, they handle projects like bedroom, bathroom, and in-law suite additions.

Building an ADU in Gainesville requires careful cost analysis, as expenses vary significantly based on construction method and site conditions. Total turnkey costs for a 500 square foot detached unit range from $180,000 to $300,000 for traditional site-built construction, while modular options offer predictable factory pricing with faster installation timelines.

ADUs by Avatar is a Southern California ADU builder offering a transparent Plan, Design & Build process. They handle feasibility studies, permits, 3D design, and construction, delivering detached ADUs, granny flats & in-law suites on time.

Lion Builder Construction is a Southern California contractor serving Orange, LA, and Riverside Counties, plus Maricopa County, AZ. They specialize in new homes, ADUs, and kitchen remodels, offering a one-stop-shop approach.

Attached vs. detached ADUs in New England: Foremost Builders explains key differences. Attached ADUs cost less; detached offer more privacy and rental potential. Serving NH's Dartmouth-Lake Sunapee region since 1997.

Chicago's Assembly Squad Remodeling LLC specializes in attic conversions & ADUs. Services include bedroom suites, rental units ($1,500–$2,500/mo), home offices & more. Pricing starts at $50/sq ft. Permits & compliance managed.

ADU Resource Center is a Glendale, CA-based ADU contractor with 600+ completed units. They offer full-service ADU building, including design, permitting, financing, and construction of detached, attached, and garage conversion ADUs across Southern California.

Neil Kelly Washington offers ADU design and build services in the Northwest, including detached ADUs, garage conversions, and attached units. Their team navigates local permits, balances design with functionality, and helps homeowners add value through custom accessory dwelling units.

An ADU (accessory dwelling unit) is a self-contained living space on the same property as a primary home. G.J. Gardner Homes Sacramento offers expert ADU construction in California, guiding clients through a 7-step process from consultation to handover.