Washington

Patio Permit requirements across Washington

By Mario Bailey Last verified 2026-06-17

Requirements and size thresholds for patio permits vary by locality. The table below compares what each Washington county or city requires. Always confirm with the local office before starting.

Locality Permit required? Typical threshold
Bellevue Not confirmed Not specified
King County Not confirmed Not specified
Seattle No Not specified
Tacoma Not confirmed Not specified