Cornerstone Cleaning keeps offices, medical and dental suites, rental properties, churches and community spaces clean across San Jose, the South Bay, the Peninsula and the Tri-Valley. We quote every commercial job from photos, a video walkthrough or your written scope, and you get a written bid within 2 business days.
Who we clean for
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Offices and coworking spaces
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Medical and dental offices
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Property managers: apartment turnovers, move-outs and common areas
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Realtors and brokerages: listing-ready and move-out cleans
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Churches, community centers and event spaces
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Post-construction and renovation cleanup
Why facilities and property managers choose us
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General liability insurance: $1M per occurrence / $2M aggregate. Certificate of insurance sent within 1 business day, and we can add you as additional insured
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Every cleaner passes a background check before their first job
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A written scope of work for your site, followed with a checklist every visit
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Before/after photos uploaded by the crew after every visit or unit
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Re-clean within 24 hours if anything on the checklist was missed
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W-9 and certificate of insurance on request; invoicing available
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Over 300 reviews across platforms (4.9★ on Google)
How it works
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Send us photos or a video walkthrough of the space, or your scope or RFP.
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Get a written bid within 2 business days.
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Your crew follows your checklist every visit and uploads before/after photos when the job is done.
What our clients say
“Impeccable service and communication. Honestly one of the best cleaning services I’ve used. Showed up on time, super thorough, and the place looked unreal when they finished.” — Jacob H., Google review
Request a commercial bid
Call or text (510) 394-4409 or email info@cornerstonecleaningca.com with your property type, square footage or number of units, how often you need service and your target start date. Send photos or a short video of each area and we'll send a written bid within 2 business days.
