architecture

September 24, 2026

Design Considerations for Building a 2 Story ADU

ADU Basics & Types

Designing a 2 story ADU requires careful consideration of zoning regulations and site conditions that influence the project’s feasibility and layout. Local rules often distinguish between one- and two-story accessory dwelling units, affecting factors such as height restrictions, setbacks, and placement on the lot, which in turn shape privacy, light access, and how the ADU integrates with the main residence and neighborhood character. Because requirements vary widely by location, it is important

September 6, 2026

Design Considerations for Accessory Dwelling Unit Plans

ADU Design & Floor Plans

Accessory dwelling unit plans are shaped by site conditions and budget constraints, which influence design options and project scope. Factors like lot size, slope, orientation, and utility access determine placement and size possibilities. Budget affects material choices, construction methods, and the level of customization or finishes. Balancing these elements is key to creating a functional design within practical limits. Local zoning regulations and setback requirements also impact allowable