Company Performance Metrics
- Joe Ziolkowski: President and Founder
- Polly Ziolkowski: Founder
System4 San Francisco East Bay is a commercial cleaning and facility services company serving businesses throughout Alameda and Contra Costa Counties in California's East Bay region. Based in Moraga, California, the company provides customized facility support solutions for office buildings, healthcare facilities, educational institutions,
laboratories, industrial properties, retail centers, and other commercial environments.
The company specializes in helping organizations maintain clean, safe, and professional workplaces through tailored janitorial programs, facility management solutions, day porter services, specialty cleaning, and ongoing operational support. By combining local ownership with the resources and systems of the System4 network, System4 San Francisco East Bay delivers scalable solutions designed to meet the unique needs of each client and facility.
Serving communities including Walnut Creek, Berkeley, Oakland, Fremont, Hayward, Pleasanton, Livermore, Concord, San Leandro, Alameda, Emeryville, and surrounding East Bay cities, the company focuses on long-term client partnerships, quality assurance, and customized service programs that support workplace experience, operational efficiency, and facility presentation.