Wash. Rev. Code § 25.15.136
(1) A limited liability company must keep at its principal office the following:
(c) Unless contained in its certificate of formation, a statement in a record of:
(3) During regular business hours and at a reasonable location specified by the limited liability company, a member may inspect and copy the following records of the limited liability company if the member meets the requirements of subsection (4) of this section:
(4) A member may inspect and copy the records described in subsection (3) of this section if:
(5) Within ten days after receiving a demand pursuant to subsection (4) of this section, the limited liability company in a record must inform the member that made the demand:
(6) A person dissociated as a member may inspect and copy the records required by subsection (1) of this section during regular business hours in the limited liability company's principal office if:
(12) Each manager, or each member of the manager if the manager is a board, committee, or other group of persons, without having any particular purpose for seeking the information, may inspect and copy during regular business hours:
[ 2015 c 188 s 29.]