COMMERCIAL CLEANING ONLY

Trusted Commercial Cleaning & Janitorial Services in Los Angeles County

Serving Los Angeles County businesses for over 30 years with trained DMS cleaning teams.

Get a Free Quote

View Our Services

Years in Business

Keeping Los Angeles County businesses clean for more than three decades.

DMS Team Members

Every technician is a DMS employee. We never subcontract.

Counties Served

Orange, Los Angeles, Riverside and San Bernardino counties.

DMS Janitorial technician polishing a commercial floor

SERVING LOS ANGELES COUNTY

Commercial Cleaning Across Los Angeles County

Beyond Orange County, DMS Janitorial serves commercial clients across Los Angeles County. We bring the same DMS teams, customized cleaning plans, and supervisor check-ins to LA-area offices, warehouses, and facilities. Every technician is a DMS employee, never a subcontractor, and every cleaning plan is built around your facility and schedule.

Popular services in Los Angeles County:

Why businesses choose DMS:

Background-checked DMS team members

Supervisor walk-throughs and quality checks

Schedules built around your business hours

Locally based in Placentia, CA

Call for a free quote

(714) 996-8400

Get a Free Quote

OUR SERVICES

Commercial cleaning services in Los Angeles County

DMS janitor cleaning a glass door in a modern office lobby

Janitorial Services

DMS day porter with a cleaning cart in an office lobby

Day Porter Services

DMS technician polishing a lobby floor with a floor buffer

Floor Care

Technician shampooing commercial carpet with a hot-water carpet extractor

Carpet Cleaning

DMS technician cleaning the exterior windows of a commercial building

Window Cleaning

Deep Cleaning

Post-Construction Cleanup

DMS team scrubbing a warehouse floor with a ride-on floor scrubber

Warehouse Floor Sweeping & Scrubbing

DMS maintenance technician on a ladder servicing an office ceiling light

Facility Maintenance

Janitorial Supplies

View All Services

We have collaborate with 20
amazing companies

Expert Cleaners

OUR TEAM

Meet the People Who Show Up for You

Our cleaning professionals are hired and trained by DMS, so you get consistent faces, real accountability, and a team that treats your facility like it’s their own.

About Our Team

Why choose DMS Janitorial Services in Orange County

WHY CHOOSE US

Why Los Angeles County Businesses Choose DMS Janitorial

30+ years serving Los Angeles County commercial properties

A DMS team member, never subcontracted

Customized cleaning plans built around your industry and schedule

Fast, local response with no call centers

Request a Quote

DMS janitor vacuuming office carpet with a red commercial upright vacuum

Mile Service Radius

DMS janitor cleaning desks in a corporate office

Corporate Offices

Nightly janitorial service and floor care for offices of every size.

DMS janitor cleaning a medical office reception area

Medical Offices

Daily disinfection and restroom care for medical and dental suites.

Auto Dealerships

Showroom floors, service areas, and customer lounges kept spotless.

2025 AND 2026 AWARD WINNER

Best Janitorial Service in Placentia

DMS Janitorial Services was named Best Janitorial Service in Placentia by BusinessRate in 2025, and again in 2026. The rankings are based on customer reviews, which makes this recognition mean a lot to our crews.

FREQUENTLY ASKED QUESTIONS

Commercial cleaning in Los Angeles County: common questions

Do you provide commercial cleaning in Los Angeles County?

Yes. DMS Janitorial provides recurring janitorial service, day porter support, floor care, and more for businesses in Los Angeles County. It is part of our growing Southern California service area.

What types of facilities do you clean in Los Angeles County?

Offices, corporate buildings, medical facilities, auto dealerships, banks, churches, gyms, and industrial or warehouse spaces.

Can you clean after business hours?

Yes. Most janitorial service happens in the evening or overnight, and day porters can work on-site during the day.

How do I get a quote for my Los Angeles County facility?

Call (714) 996-8400 or fill out our quote form. We'll follow up with a customized quote, usually within one business day.

CLIENT REVIEWS

What our commercial clients say

Joe G.

Brea, CA · Yelp review

"We have been with DMS for about 11 years. Over the years I went through at least 6 janitorial service companies. DMS has been superior in their service to all of them. They provide us with a supervisor walk-through monthly, and any issues are immediately addressed."

Rating:

Sally K.

Placentia, CA · Yelp review

"The dental office I work at uses DMS. They are professional, courteous, thorough and their prices are competitive. Our office always looks great after their crew comes through."

Rating:

Dennis F.

Monterey Park, CA · Yelp review

"As a food manufacturer, we have very unique needs and they were able to accommodate all of them. We use them now for janitorial services and upkeep of the facility, and they do an incredible job."

Rating:

Robin N.

Laguna Niguel, CA · Yelp review

"Everything was clear and upfront. Brandon and Rick were my points of contact, and they were more than helpful every step of the way. I highly recommend their services."

Rating:

Bobby T.

Santa Susana, CA · Yelp review

"Professional, reliable, and effective team. I am so glad I contacted DMS for my office maintenance. I highly recommend these guys!"

Rating:

David B.

Yorba Linda, CA · Yelp review

"So nice to see a company that cares as much as the customer does. They have equipment for any type of cleaning you could possibly need. We highly recommend DMS."

Rating:

SERVICE AREAS