SQFT Studios: Portland's Premier ADU Design-Build Firm
Founded in 2015 by architect Eli Green, SQFT Studios has established itself as a leading accessory dwelling unit builder in Portland, Oregon. With over a decade of hands-on experience and more than 40,000 square feet of usable space added across the city, they have built a strong reputation for delivering innovative, sustainable, and beautifully crafted ADUs tailored to each homeowner's unique needs.
Their team brings together a diverse range of expertise — including skilled architects, interior designers, carpenters, project managers, electricians, and plumbers — all working in concert to deliver exceptional results. As a full-service ADU contractor, SQFT Studios manages every phase of a project, from initial design concepts through to final construction, ensuring a seamless and collaborative experience for their clients.
A Wide Range of ADU Solutions
SQFT Studios specializes in a broad spectrum of ADU types, making them a versatile choice for Portland homeowners looking to maximize their property's potential. Their portfolio includes:
- Detached ADUs — standalone backyard structures offering full living amenities
- Backyard cottage builder services — transforming underused outdoor spaces into functional, beautiful homes
- Guest suites and in-law suites — ideal for multi-generational living or hosting visitors
- Garage conversion contractor work — repurposing existing structures into livable spaces
- Detached studio ADUs — flexible spaces suited for home offices, creative studios, or short-term rentals
Every ADU they build is Earth Advantage Certified: Platinum, reflecting their deep commitment to sustainable construction practices. They use advanced framing techniques with 2×6 FSC studs, mineral wool insulation, insulated slab-on-grade concrete foundations, and standing seam metal roofs with tongue and groove cedar substrates — all designed to maximize energy efficiency and long-term durability.
Their standard building layouts are based on a flexible 4-foot grid, available in 12-, 14-, or 16-foot depths, making it easy to adapt designs to virtually any site. Whether a client needs a compact studio or a spacious two-bedroom lofted unit, SQFT Studios has the expertise to deliver a custom solution that fits both the property and the budget.
Transforming Portland Backyards, One Project at a Time
SQFT Studios has completed a wide variety of real-world projects across Portland's neighborhoods, from the Laurelhurst and Hawthorne districts to SW Portland, NE Portland, Sellwood, Concordia, and St. Johns. Their project portfolio showcases the breadth of their capabilities as a granny flat builder and detached ADU builder, including:
- Two-bedroom generational ADUs designed for multi-family living
- Backyard studios with covered decks
- Lofted one- and two-bedroom ADUs
- Short-term rental units optimized for platforms like Airbnb
- Custom home offices and creative workspaces
- Garage conversions repurposed into fully functional living quarters
Each completed project reflects their philosophy of combining thoughtful design with quality craftsmanship. SQFT Studios believes that an ADU is more than just a structure — it is an extension of a homeowner's lifestyle and a meaningful contribution to Portland's housing diversity and community character.
As an experienced ADU builder rooted in Portland's eco-conscious culture, SQFT Studios continues to help homeowners unlock the full potential of their properties — whether the goal is generating rental income, accommodating family members, or simply creating more space to live and work.