(510) 641 6337 lmagana@corbezza.com Monday through Friday, 8:00 a.m. to 5:00 p.m. Serving the East Bay

About Corbezza

A Bay Area commercial cleaning company built around clear expectations.

Corbezza Operations Group serves property managers, contractors, offices, professional practices, and commercial clients across Contra Costa County and Alameda County.

Clean modern interior hallway

Why the company exists

Cleaning is easier to manage when the plan is specific.

Corbezza was built to give commercial clients a clearer way to define the work before service begins. The proposal identifies the areas, tasks, frequency, access, responsibilities, and exclusions that matter to the property.

That approach is practical. The client knows what was approved. The cleaning team knows what to complete. Questions and changes have a clear path instead of being left to assumption.

Company facts

What clients can expect from Corbezza.

Current documents are available to verified prospective clients when they are relevant to vendor review.

Service areaContra Costa County, Alameda County, and nearby Bay Area communities
Primary workCommercial janitorial, turnovers, and project cleaning
Business hoursMonday through Friday, 8:00 a.m. to 5:00 p.m.
Vendor reviewCertificate of insurance and business information available
Vendor recordsIRS Form W 9, insurance, service, and business information

How Corbezza works

Three practical commitments.

Write the work down

The proposal states the tasks, frequency, schedule, exclusions, and pricing basis.

Keep one contact path

Access updates, service questions, and changes go through the agreed property contact.

Address what was approved

Service review starts with the written plan and the condition of the property.

Start a conversation

Review the property with Corbezza.

Share the service, location, approximate size, and timing.

Property walkthrough

Discuss your property.

Share the property, service, approximate size, and timing. Corbezza will review the request and contact you about the next step.

Enter an email address or phone number. Corbezza will respond during normal business hours. See the privacy notice.

Vendor documents

Request the vendor packet.

For prospective clients and procurement teams reviewing Corbezza as a vendor.

Documents are released after the request and company are verified.