Establishes guidelines for citizens and agencies to file restraining orders within a radius around personal property involved in criminal activity in an attempt to decrease criminal gang activity.   Official Text and Analysis.

Modifies the process for filing an abatement action and notifying parties to the action. The substitute bill permits the courts to require a bond or security in an amount the court deems proper and allows reasonable attorneys' fees, costs, and damages if the court finds there is insufficient evidence of a nuisance.

To authorize the legislative authority of a county or municipality to adopt procedures in an ordinance for the filing of a nuisance action against a criminal street gang member or a building or unit used to aid or conduct criminal street gang activity and adds a new provision (not in SHB 2550) that amends the Residential Landlord-Tenant Act to require a law enforcement agency that has found that a tenant or occupant committed a criminal street gang-related offense or that has investigated such an offense on a rental property to make a reasonable attempt to notify the landlord of the offense, among other things.

Authorizes the legislative authority of a county or municipality to adopt procedures in an ordinance for the filing of a nuisance action against a criminal street gang member or a building used to aid criminal street gang activity. It also establishes procedures for a court to take action as a result of these complaints.

To provide that a law enforcement agency that has probable cause to believe that a tenant or other occupant of a rental unit has committed a criminal street gang-related offense must make a reasonable attempt to discover the identity of the landlord and notify the landlord in writing of the criminal street gang related offense on the rental premises. Prescribes specific notification procedures and criteria.