Welcome!

The Cement Masons and Plasterers Trust Funds (for WA, AK, and E. WA/ID) was established to provide medical, retirement, and 401(k) account benefits for their eligible members and their dependents through the collective bargaining process.

This site provides general benefit information, forms and other Trust related items. Summary of Benefits and Coverage (SBC) and Glossary of Terms can be reviewed here.

Appointments:
You can now book in-person appointments online at our Mercer Island Office! To book an appointment with a representative, please click here.

Annual 401(k) Election Period - June 1, 2026 through July 31, 2026

The Cement Masons and Plasterers 401(k) Trust (“401(k) Trust”) is pleased to announce an annual election period for eligible employees to elect to defer a portion of their wages on a voluntary pre-tax basis to the Cement Masons and Plasterers 401(k) Plan. This election period is being held from June 1, 2026 through July 31, 2026. Any election you make will be effective with hours worked on and after September 1, 2026.

English Election Form

Spanish Election Form