Directs a city or county to establish an objective classification system to determine those persons eligible for a special detention facility.

Authorizes a city or county to establish and maintain alternative supervision or rehabilitation programs, other than those authorized in RCW 70.48.090, within the special detention facility.

Exempts from the tax levied by RCW 82.08.020: (1) Items that become components of a special detention facility as defined in RCW 70.48.020; or

(2) Labor and services rendered for constructing, repairing, decorating, or improving a special detention facility as defined in RCW 70.48.020.