Serving the Bay Area Since 1991
Commercial Cleaning You Can Count On, Every Single Day
United Contract Services is a commercial-only janitorial and cleaning company based in San Jose, serving Santa Clara, San Mateo, Alameda and Contra Costa counties since 1991.
United Contract Services has helped more than 10,000 Bay Area businesses maintain clean, safe, and welcoming facilities. We build custom cleaning plans around your schedule, your standards, and your budget.
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What clients are saying
34+
Years in the Bay Area
10,000+
Businesses Served
4
Bay Area Counties
7
Days a Week, Available
Full-Service Commercial Cleaning for the Bay Area
From daily janitorial programs to specialized disinfection, we handle every square foot of your facility so you can focus on running your business.
Janitorial Services
Scheduled daily, weekly, or custom janitorial programs tailored to your facility size and hours.
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Commercial Cleaning
Deep cleaning, floor care, and recurring programs for offices, corporate campuses, and commercial spaces.
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Building Maintenance
Comprehensive facility management so your property stays safe, clean, and running smoothly year-round.
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Electrostatic Disinfection
Commercial-grade electrostatic spraying that reaches every surface to eliminate pathogens and protect your team.
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Carpet Care
Hot-water extraction, dry cleaning, and encapsulation for commercial carpet that gets heavy traffic.
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Window Cleaning
Interior and exterior window cleaning for offices, retail spaces, and multi-story commercial buildings.
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Why 10,000+ Bay Area Businesses Choose Us
In the Bay Area, your facility is part of your brand. Whether you run a tech campus in Sunnyvale, a medical office in Palo Alto, or a commercial building in Fremont, first impressions start with how clean your space is.
United Contract Services was built on a simple belief: quality work and open communication are what keep clients for decades. We have been proving that since 1991.
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34+ years of Bay Area experience
We have cleaned tens of thousands of commercial facilities. We know what works.
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Custom plans, not cookie-cutter contracts
Every client gets a cleaning schedule built around their hours, traffic, and needs.
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After-hours and weekend availability
We work when you are not, so your team walks into a clean office every morning.
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Consistent, vetted crews
The same professionals return to your facility, so nothing gets overlooked.
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Fully insured and bonded
Certificate of insurance available on request.
What Bay Area Businesses Say
Eduardo Vergara
a month ago
Our experience with United Contract Services has been exceptional from day one. They keep our meeting spaces, private offices, and common areas immaculate, which allows our team to focus entirely on day-to-day operations. If you are looking for a professional vendor that delivers flawless corporate office cleaning, their crew is highly recommended
Chris Crismon
a month ago
Keeping a high-tech engineering space safe and spotless takes immense care and effort, and the team at UCS truly puts their hearts into their work. Their San Jose cleaning crew is exceptional. The team looks out for us by keeping our workspaces beautifully maintained, quiet, and safe. They work so thoughtfully around us that our teams can focus completely without any disruptions. We are grateful for their kindness, dedication, and partnership, and we highly recommend them to anyone.
Linda Mitri
a month ago
United Contract has been an amazing partner for our janitorial services. We have been with them over 10+ years. Their team is reliable, responsive, and consistently delivers outstanding results. They take great pride in their work, and it shows in the cleanliness and appearance of our facility. We truly appreciate their professionalism, attention to detail, and commitment to excellent service. It is a pleasure working with them, and we highly value the partnership.
Five Star Lumber Co. LLC
a month ago
Our manufacturing facility at Five Star Lumber and Pallet Co. generates a lot of foot traffic from our plant area as well as our office area. United Contract Services does a fantastic job keeping our administrative offices, desks and breakrooms spotless. UCS is our highly dependable partner for our commercial janitorial services.
James Barrios
a month ago
As a busy print production facility with over 80 employees, keeping our facility clean is important to us, our employees, and our customers. United Contract Services' team handles our printing facility cleaning in San Jose effortlessly. Their attention to detail is much appreciated when it comes to our janitorial needs. Thank you UCS!
Tamar Krikorian
a week ago
We appreciate your team. They do a great job very professional and consistent. Thank you!
Industries We Serve
Commercial-only. We specialize in business environments, not residential.
Tech & Corporate Offices
Property Management
Healthcare & Medical
Industrial & Warehouse
Professional Services
Retail
Religious Facilities
Ready for a Cleaner Facility?
Tell us about your space. We will come back with a custom cleaning plan and transparent pricing within one business day.
Bay Area Service Coverage
We serve commercial clients throughout Santa Clara County, San Mateo County, Alameda County (excluding Oakland), and Contra Costa County (excluding San Francisco).