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Reliable, Professional Commercial Cleaning in Boston and Surrounding Areas

Over 45 years of trusted commercial cleaning services. Exceptional attention to detail and dependable customer care.

Contract Office Cleaning & Janitorial Services

Contract Office Cleaning

Customized office cleaning solutions designed for your business’s schedule, providing spotless workspaces, conference rooms, and communal areas for a professional environment.

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Carpet Cleaning

Carpet Cleaning

Professional carpet cleaning that removes deep-seated dirt, stains, and allergens, restoring your carpets for a fresher, healthier workspace or home environment.

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Window Cleaning

Window Cleaning

Streak-free window cleaning that enhances your home or facility’s look inside and out. Our careful process lets natural light in and boosts curb appeal.

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Floor Cleaning

Floor Cleaning

Expert floor care, including mopping, buffing, striping and waxing. Our process preserves your floors’ durability and shine, especially in high-traffic areas.

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New Construction Clean-Up

New Construction Clean-Up

Thorough post-construction cleanup that handles debris, dust, and residue, making new or renovated spaces move-in ready and safe for occupants.

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Porter Services

Porter Services

Ensure a clean, organized facility all day with our professional porter services. We manage trash removal, restroom restocking, lobby tidying, and spill cleanup, keeping your space consistently welcoming for visitors and staff, tailored to your business needs.

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Tenant Move Out Services

Tenant Move Out Services

Specialized move-out cleaning that leaves properties fresh and ready for the next occupant. We handle all areas, ensuring a complete, move-in-ready finish.

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About Tri-M Maintenance

For over 45 years, Tri-M Maintenance Inc. has proudly served Weymouth, MA, and surrounding areas as a family-owned, local commercial cleaning service. We’ve built our reputation on dependability, trust, and meticulous attention to detail. Our clients know that when they call, they’ll receive prompt and professional support, and our experienced team will get the job done right and on time. We’re committed to providing a level of service that exceeds expectations—ensuring your business environment is pristine and inviting every day.

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Why Choose Tri-M

Selecting the right commercial cleaning service can be challenging, but with Tri-M Maintenance Inc., you’ll find a team that understands and resolves the pain points businesses often face:

Consistency and Reliability:

We show up on time, every time, delivering consistent quality you can depend on.

Attention to Detail:

We take pride in meticulous cleaning practices, ensuring every corner is attended to.

Customer-Centric Approach:

As a family-owned business, we value relationships, communication, and trust.

Prompt Customer Service:

We’re always available to answer your call, address your questions, and accommodate your needs.

Who We Serve

Medical Office Facilities, Apartment & Condominium Communities, Offices and Office Buildings, Car Dealerships, Restaurants, Retail

Medical Office <br> Facilities

Medical Office
Facilities

Apartment & Condominium Communities

Apartment & Condominium Communities

Small and Large Office Buildings

Small and Large Office Buildings

Restaurants

Restaurants

Car Dealerships

Car Dealerships

Retail

Retail

Government Buildings

Government Buildings

Schools & Universities

Schools & Universities

Manufacturing Sites

Manufacturing Sites

See what our Customers say

Too often letters are written to complain about service or the lack of it. I am writing to let you know how appreciative I am of your company and crew. Nothing goes unnoticed when it comes to your staff in each locations. Keep up the great work that for years you have done. I look forward to yet another year of working with you.

Facilities Coordinator

Tri-M has proven to be reliable, trust-worthy and flexible. Without question Tri-M has been extremely responsive to our business needs.

Director of Manufacturing

We highly recommend the services of Sri-M Maintenance. We are sure you will be pleased with their superb job in cleaning and maintaining properties.

Property Manager

Thank you for the great work you and your staff have provided to our property. Since we hired you last spring, I have been receiving regular compliments from tenants who previously only sent me complaints. I will be recommending Tri-M for more of our properties. Thank you again.

Portfolio Manager