WAC 51-50-1009
Section 1009 -- Stairways and handrails.
1009.12 Stairways in individual dwelling units. Stairs or
ladders within an individual dwelling unit used for access to
areas of 200 square feet (18.6 m2) or less, and not containing
the primary bathroom or kitchen, are exempt from the
requirements of Section 1009.
[Statutory Authority: RCW 19.27.074, 19.27.020, and chapters 70.92, 19.27, and 34.05 RCW. 07-01-091, § 51-50-1009, filed
12/19/06, effective 7/1/07. Statutory Authority: RCW 19.27.031 and 19.27.074. 04-01-108, § 51-50-1009, filed
12/17/03, effective 7/1/04.]