Build a retaining wall?
Permits are required for retaining walls over 4 foot in height, when measured from the bottom of the footing to the top of the wall, and/or for walls that support a surcharge. Engineering by a Washington State registered engineer is required for all retaining walls being permitted. • Build a deck? All decks require a separate permit with the following two exceptions: • Exterior entry landings which are proportionate in size to the entry.The maximum size measured in square feet is the gross width of the entry squared including side glazing. Example: An entry door with sidelights measuring 60 inches wide, outside trim to outside trim, the porch may be a maximum of 25 square feet. • Platform or free standing decks 30 inches or less in height and not associated with other structures (i.e. hot tub, swimming pool) and not abutting any structures. • All decks and platforms regardless of permit requirements, shall meet minimum setbacks requirement.
