Tri-M is a family owned cleaning company from the City of Quincy, MA.

Tri-M Maintenance, Inc.

Tri-M Window Cleaning

Commercial & Residential

Tri-M Maintenance, Inc. got our start in 1978 primarily as a window cleaning service. Over the past 30 years, Tri-M has grown into a full service janitorial operation but window cleaning still remains the backbone of the business. From Boston through Metro West, to the South Shore and Cape Cod, Tri-M is your local solution to clean windows.

CURRENT TRI-M CUSTOMERS

    CORPORATE OFFICES BUILDINGS
    APARTMENTS AND CONDOMINIUMS
    MEDICAL FACILITIES
    BANKING FACILITIES
    RETAIL STORES
    RESIDENTIAL HOMES

“Mike and the gang did such a great job cleaning our windows. Our house will look perfect for the holidays. Thank you so much.” – south shore homeowner

Our window cleaners use the standard tools of the trade… Sponge Squeegee & Ladders.  No Shortcuts with sloppy pressure washers!

Service Area

  • BOSTON
  • DORCHESTER
  • BROOKLINE
  • WEST ROXBURY
  • DEDHAM
  • NEWTON
  • QUINCY
  • BRAINTREE
  • CANTON
  • NORWOOD
  • WESTOOD
  • AVON

Pricing estimates are given on site.

CONTACT TRI-M

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Testimonials

After many failed attempts to find a reputable floor cleaning company, we finally struck gold with Tri-M Cleaning. They arrived on time, finished in the time frame the gave us, and our hospital floors haven’t look this great in years. The team was efficient and friendly. I look forward to working with them in the future. Thank You”

Vetrinary Hospital Owner