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Proudly Serving the South Bay, Peninsula & Tri-Valley
Cornerstone Cleaning brings background-checked, insured cleaning teams to homes and businesses across Silicon Valley, the Peninsula and the East Bay.
4.9★
Rating on Google
300+
Reviews across platforms
15+
Cities Served
Where We Clean
From Almaden Valley to the Tri-Valley, our teams are already on the road throughout these communities every week.
Peninsula
Atherton
Portola Valley
Serving homes and offices throughout the Peninsula corridor.
Tri-Valley & East Bay
Growing our presence in the Tri-Valley — get your quote today.
Don't see your city? We also serve surrounding areas, including Los Altos Hills, Monte Sereno, Atherton, Portola Valley, Woodside and Newark.
Call us at (510) 394-4409 — we may still be able to help.
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