Coronado Commercial Janitorial & Maintenance Service


At McKowski’s Maintenance Systems we have been serving Coronado customers and providing them with the best janitorial & commercial services. 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, industrial and residential customers in San Diego.

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