Permits

Zoning rules, permit timelines, and approval processes for building an ADU.

• What States Allow ADUs in 2026, and What's Coming Next

  July 6, 2026 · Omer Lewinsohn

  About 18 states now allow ADUs statewide. Here is the real list, who is close, who isn't, and my honest estimate for where this lands by 2030.

• ADU Permits Explained: What You Need to Know in 2026

  May 7, 2026 · Omer Lewinsohn

  Learn how ADU permits work in 2026, including zoning checks, building permits, plan review, inspections, fees, utility approvals, state law updates, and mistakes to avoid before building.