Custodial Service & Maintenance
Keeping your spaces clean, safe and looking their best.Janitorial, flooring and property maintenance for offices, apartment communities, homes and new construction across San Jose, Silicon Valley and the East Bay — one dependable team for the work that keeps your property running.
One call covers it all
- Janitorial & deep cleaning
- Post-construction cleanup
- Floor care, buff & polishing
- Flooring install
- Plumbing, painting, fencing & roofing
- Porter & common-area upkeep
Professional service you can count on.
Three service lines, one accountable crew. Bundle cleaning, flooring and maintenance to simplify vendor management.
🧹Janitorial & Cleaning
Scheduled office and common-area janitorial — trash and recycling, restrooms, dusting, vacuuming and mopping every visit — plus phased post-construction cleaning from rough clean through final and punch.
- Commercial & Residential Cleaning
- Post-Construction Cleaning
- Unit Turnover / Make-Ready
- Deep Cleaning
- Steam Cleaning
- Carpet Cleaning
▦Flooring
Strip-and-wax, buff & polishing and recurring floor care programs, plus installation and restoration of hardwood, vinyl, laminate and tile.
- Floor Care & Maintenance
- Strip & Wax
- Buff & Polishing
- Hardwood Flooring
- Vinyl & Laminate
- Tile
- Floor Installation
🛠Maintenance
Buff & polishing and day-to-day property upkeep, plus plumbing repairs, interior and exterior painting, fencing and roofing repairs — scoped in writing before work starts.
- Plumbing
- Painting
- Popcorn ceiling removal — we test for asbestos first on every job and do not remove asbestos ourselves
- Fencing
- Roofing
- Buff & Polishing
- Porter & Common-Area Upkeep
A local team for clean, safe, well-kept properties
Custodial Service & Maintenance LLC is a San Jose–based company serving commercial buildings, apartment communities, homes and construction sites throughout Silicon Valley and the East Bay.
We combine day-to-day janitorial work with flooring and general maintenance, so property managers and owners can rely on a single partner instead of juggling multiple vendors.
Built around how properties actually run
One vendor, many trades
Cleaning, flooring and maintenance under one roof — fewer calls, one point of contact.
Commercial to residential
From offices and multifamily communities to single-family homes and post-construction sites.
Free estimates
Tell us about your property and we'll put together a clear, no-obligation quote.
Local & responsive
Based in San Jose and serving Silicon Valley and the East Bay, so we're close when you need us.
Serving San Jose, Silicon Valley & the East Bay
We work across the South Bay, Peninsula and East Bay — from Palo Alto to Oakland and out to Livermore and Tracy.
Or just a cleaner, safer property? Let's talk.
Commercial • Residential • Post-Construction
Get in touch
Send a message or call us directly. We'll get back to you to schedule a walkthrough or quote.
- 📞408.628.7243
- ✉Info@us-csm.com
- 👤Vicente.Mardueno@us-csm.com
- 📍San Jose, CA · Silicon Valley · East Bay