Seattle ADU Readiness Check

Zoning Family *

Please select a valid zone family.

Zoning Detail (Optional) Lot Size (sq ft)

Optional. Must be between 0 and 1,000,000 sq ft.

Lot size must be a number between 0 and 1,000,000.

ADU Plan Type *

Please select a valid ADU plan type.

Proposed ADU Size (sq ft)

Optional. Must be between 0 and 5,000 sq ft.

Proposed size must be between 0 and 5,000 sq ft.

Existing ADUs on Property Are you adding a SECOND ADU? Criteria for 2nd ADU

Removing Required Parking? *

Please select an option.

Acknowledge Sewer Capacity Charge? *

Please select an option.

Seattle ADU Permit Readiness Checker