ADU Regulations in Everett, Washington
Snohomish County's largest city, Everett permits ADUs by right in all residential zones under Washington's HB 1337. The city prohibits short-term rentals of ADUs, ensuring they serve the local long-term housing market.
Below is a summary of the key zoning rules applicable to Accessory Dwelling Units in Everett as of 2026. Regulations are governed by Washington's HB 1337 (2023) which limits local ADU restrictions statewide.
| Regulation | Requirement |
|---|---|
| Maximum Size | 1,000 sq ft |
| Property Setbacks | 5 ft rear, 5 ft side |
| Extra Parking Required | Required (1 space) |
| Owner Occupancy | Not required |
Additional Local Requirements for Everett
- ADU by right in all residential zones
- Minimum 200 sq ft
- Short-term rentals prohibited
- Building permit and utility connection required
📥 Download the Complete Everett 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 Everett, Washington.
Download the Complete Everett ADU Cheat Sheet — $12Frequently Asked Questions About ADUs in Everett
Can I build an ADU in Everett?
Everett follows Washington state law and allows ADUs. Parking is required but no owner occupancy requirement.
How big can my ADU be in Everett?
What is the maximum ADU size allowed in Everett? ADUs in Everett can be up to 1,000 square feet, subject to the property's zoning and lot coverage limits. Always confirm the exact allowed size with the Everett planning department before designing your project.
What about setbacks and other requirements in Everett?
What are the setback requirements for an ADU in Everett? ADUs in Everett 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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