566 Portal Street offers an insulated warehouse facility paired with a well-designed office component, creating an attractive opportunity for owner-users and investors seeking a functional industrial asset in Sonoma County. The ±13,515 SF building includes approximately ±3,600 SF of office space, with recent improvements such as a new roof in 2017. Key operational features include seven grade-level doors, 16-foot clear height, and robust infrastructure designed to support a wide range of business operations. The property benefits from an 800-amp, 3-phase power supply and ESFR fire suppression with a sprinkler density of 0.21/2,500 GPM, ensuring compliance for various industrial and storage uses. Located in Cotati with excellent access to Highway 101, the site provides regional connectivity throughout Sonoma, Marin, and the greater North Bay markets. The surrounding area offers proximity to a diverse workforce and strong local amenities within a growing industrial corridor. This property provides flexibility for businesses requiring efficient distribution or light manufacturing space while delivering long-term value within a supply-constrained market.