Open Adu Opoplan

Opoplan and Open ADU Technologies: Simplifying ADU Feasibility and Design Opoplan and Open ADU provide intuitive tools for assessing the feasibility of new accessory dwelling units (ADUs) and homes on any lot. Our solutions empower homeowners to design ADUs tailored to their lot’s characteristics and specific requirements in just minutes. We assist homeowners in creating new ADUs, support builders in their construction efforts, and help municipalities promote affordable housing solutions. Acting as the vital link between ADU manufacturers, local builders, homeowners, and municipalities, Opoplan and Open ADU offer a comprehensive suite of tools. From LotTech—our instant lot analysis tool—to BriefTech—the user-friendly briefing interface—and DesignTech—the online home design experience —to PlanTech—for final design plans, we provide an end-to-end solution that streamlines your pre-build journey. The process begins with LotTech, which allows you to analyze any lot for ADU or new house feasibility. LotTech delivers instant results, including dimensions, size, setbacks, buildable area, slope, zoning information, APN, lot value, and more. Users can also compare multiple building footprints, visualizing new ADUs or houses alongside existing structures. Upcoming features include utilities, solar assessments, and hazard analysis. Explore LotTech and our ADU design service now at and