ADU Contractors

Straight Line Design and Remodeling LLC offers ADU design and build services in Portland, Oregon. Serving Beaverton, Tigard, Lake Oswego & Hillsboro since 2010, they build backyard cottages for rental income, multigenerational living & added property value.

ADU Company San Diego County specializes in off-site ADU construction, offering efficient, affordable accessory dwelling units. From granny flats to detached ADUs, their expert team guides clients from concept to Certificate of Occupancy.

ADU Services is a premier ADU contractor in Santa Barbara, CA, specializing in custom accessory dwelling units including granny flats, backyard cottages, and in-law suites. They offer full project management, flexible customization, and sustainable, energy-efficient construction.

Back Creek Builders constructs ADUs and in-law suites in Maryland, handling design, permitting, and build. Project types include garage conversions, detached cottages, and basement suites. Founded by Eric Young and Jason Gelblum, they manage zoning compliance and full construction.

We guide you through design options and material choices, taking precise measurements to create a custom plan that perfectly fits your property. This careful planning ensures that your new ADU will seamlessly blend with your existing space and meet all your functional needs.

Looking for a beautifully designed accessory dwelling unit (ADU) or Casita in San Antonio, Boerne, New Braunfels, or the Texas Hill Country? At Rooted Tiny Homes, we specialize in crafting permanent, stick-built ADUs that are as unique as your vision. Whether you’re dreaming of an affordable guest house, an income-generating rental, or a luxurious backyard retreat, we build ADUs that blend perfectly with your lifestyle and your property.

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.

An ADU is a legal, habitable living space added to an existing property. They can be site-built or factory-built, vary in size by location, and may boost home resale value by ~45%. Always verify local codes and builder credentials.

Buffalo Modular offers modular ADU pods priced $15,000–$40,000, delivered in 8 weeks. Uses include home offices, rental units & in-law suites. Features LVP flooring, Andersen windows, steel roof & HVAC. No foundation needed—just a shed permit & gravel pad.

DB Construction is a full-service ADU contractor in Greater Los Angeles, building detached ADUs, garage conversions, JADUs, in-law suites, and room additions. They manage permits in-house, offering transparent costs and turn-key project completion.

Clarkbuilt is a Portland, Oregon residential contractor specializing in custom homes, remodels, additions, and ADU construction. Founded in 2006, they offer expert accessory dwelling unit building, custom cabinetry, and serve clients across Oregon and Washington.

We make sure you have clarity in the process, confidence in the execution, and full communication all along the way.

Enclosure bridges the gap between design and construction.

Stream Home Construction builds attached & detached ADUs in Colorado Springs. Services include custom floor plans, permits, zoning, and inspections. They help homeowners add rental income, family space, or guest units, boosting property value.

TinyMod® offers turnkey ADU solutions in Omaha, NE, including custom plans, prefab & site-built construction. Designs range from studios to 2-bedroom units, built for local zoning compliance, affordability, and energy efficiency.

NorthEast Design + Build offers ADU and in-law apartment construction across Massachusetts & Rhode Island. Services include detached backyard cottages, in-law suites, and attached additions. Serving Milford, Providence, Warwick & more.