Poway Commercial Janitorial & Maintenance Service

We are Poway’s preferred janitorial & commercial service company. With over 40 years of experience, we’ve been offering unparalleled customer service and a vast array of janitorial and building maintenance services and contracts for commercial, and residential customers in San Diego.

Our customers rely on McKowski’s Maintenance Systems for our premier level of janitorial & commercial cleaning services:

  • Janitorial Maintenance Contracts
  • Porter Services Contracts
  • Complete Carpet Cleaning
  • Hard Floor Care and restoration
  • Electro Static Dissipative (ESD) Flooring
  • Consulting
  • Painting
  • Drywall Patching & Repair
  • Electrical
  • Plumbing
  • Welding
  • Concrete Repairs
  • Monthly Maintenance Contracts
  • General Building Programs
  • Landscape Maintenance
  • Landscape Irrigation & Plant Installation
  • Landscape Development & Planning
  • Consulting

Contact us today, tell us about your project and request a proposal!

Offered Contracts

Building Maintenance Contracts
Commercial Night cleaning
General Construction Bids
Landscape Maintenance Contracts
Lighting Maintenance Contracts
Porter Service
Facilities & Maintenance Engineering – LA County


To ensure that our clients receive smooth and efficient service, McKowski’s is continuously monitoring and inspecting your facility. A supervisor will visit your property to oversee performance. This practice has made McKowski’s an excellent and long-term choice for our clients


Contact Us

Get in touch. We'll be more than happy to help with your project.


San Diego | 10979 San Diego Mission Rd.
San Diego, CA 92108

Los Angeles | 1603 W. Valley Blvd. #3553
Alhambra, CA 91803

Mckowski's vehicles