ADU Regulations in Beaverton, Oregon
In Washington County west of Portland, Beaverton permits ADUs by right under Oregon's HB 2001. The city's location along the MAX Light Rail line provides transit-oriented development opportunities with potential SDC reductions.
Below is a summary of the key zoning rules applicable to Accessory Dwelling Units in Beaverton as of 2026. Regulations are governed by Oregon's HB 2001 (2019) which requires ADU approval by-right in all residential zones statewide.
| Regulation | Requirement |
|---|---|
| Maximum Size | 1,200 sq ft |
| Property Setbacks | 5 ft rear, 5 ft side |
| Extra Parking Required | Not required |
| Owner Occupancy | Not required |
Additional Local Requirements for Beaverton
- ADU by right in residential zones (HB 2001)
- Minimum 200 sq ft
- MAX light rail proximity may reduce SDCs
- Streamlined permit process available
📥 Download the Complete Beaverton ADU Cheat Sheet
Get the step-by-step permit checklist, official government forms, direct planning department contacts, and estimated fees — all in one printable PDF for Beaverton, Oregon.
Download the Complete Beaverton ADU Cheat Sheet — $12Frequently Asked Questions About ADUs in Beaverton
Can I build an ADU in Beaverton?
Beaverton allows ADUs under Oregon state law. The city provides a streamlined process for standard ADU designs.
How big can my ADU be in Beaverton?
What is the maximum ADU size allowed in Beaverton? ADUs in Beaverton can be up to 1,200 square feet, subject to the property's zoning and lot coverage limits. Always confirm the exact allowed size with the Beaverton planning department before designing your project.
What about setbacks and other requirements in Beaverton?
What are the setback requirements for an ADU in Beaverton? ADUs in Beaverton generally require setbacks of 5 ft rear, 5 ft side. California state law (AB 68) limits local setback requirements to 4 feet for existing structures, but always verify with local zoning.
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