01
Office & Corporate Cleaning
Nightly or daytime janitorial for workspaces, conference rooms, kitchens and executive suites.
Learn more →Licensed & InsuredFull liability coverage
Bonded CrewsBackground-checked staff
Owner-Led InspectionsQuality walkthroughs on site
Professional-Grade EquipmentCommercial tools & products
Commercial Cleaning & Janitorial · Montgomery County, MD
First impressions,
immaculately kept.
immaculately kept.
Premium commercial cleaning for offices, condominiums and managed properties. Customized cleaning plans, professional-grade equipment and dependable crews — with every site inspected by ownership.
Every RNM Partnership Includes
- On-site walkthrough before we quote
- A cleaning plan written for your facility
- Quality inspections by ownership
- One direct contact for every request
Corporate Offices✦Condominiums & HOAs✦Medical Offices✦Property Management✦Clubhouses & Amenities✦Retail & Showrooms✦
Our Services
Every surface, every standard, every visit.
From daily janitorial to specialty restoration, each plan is built around your building, your hours and the impression you want to make — for properties in Rockville, Bethesda, Gaithersburg, Silver Spring, Germantown, Potomac and across Montgomery County.
02
Condominium & HOA Common Areas
Lobbies, hallways, landings and amenity spaces kept consistently welcoming for residents.
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03
Floor & Carpet Care
Carpet extraction, stain removal, and hard-floor strip, wax and buff programs.
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04
Restroom Sanitation & Disinfection
Hospital-grade disinfection for restrooms and high-touch surfaces, plus biohazard cleanup.
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05
Exterior & Pressure Washing
Sidewalks, entrances and building exteriors cleared of tire marks, grime and buildup.
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06
Specialty & Seasonal Deep Cleans
Move-in/out, post-construction and pool-season openings for clubhouses and amenities.
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07
Handyman & Drywall Repair
Drywall patching and replacement, water-damage repairs, taping, mudding and paint-ready finishes — plus shelving, fixtures and the small repairs that keep units and common areas in top shape.
Learn more →Before & After
The difference is in the details.
Drag the slider to see real results from properties we maintain.
AFTER
BEFORE
Condominium stairway and landing — deep hot-water extraction and machine scrubbing restore the carpet’s true color.
How We Work
A clean building, without the follow-up.
01
Site Walkthrough
We tour your facility, note problem areas and learn how your building is used.
02
Custom Cleaning Plan
You receive a written scope and quote tailored to your space, schedule and budget.
03
Dedicated Crew
A consistent, trained team that learns your building and its standards.
04
Quality Inspections
Ownership inspects on site and you have one direct line for every request.
At a Glance
A cleaner building starts here.
Professional-grade equipment, customized cleaning plans and dependable service that keep your property welcoming for customers, tenants and employees. Everything we do, on one page — share it with your board, tenants or property team.
- Commercial Cleaning
- Carpet Care
- Handyman & Repairs
- Painting
- Power Washing
- Disinfecting
Client Testimonials
Trusted by the people
who manage buildings.
5-star reviews on Google
RNM Building Services does a great job maintaining our building. Maria, our assigned cleaner, takes pride in keeping the common areas clean and welcoming. She always greets everyone with a friendly smile and positive attitude. Roberto, who provides handyman services, is also a familiar presence, frequently seen replacing light bulbs, addressing maintenance needs, and walking through the buildings alongside the owner, Jimmy. Their attentiveness, professionalism, and dedication to our community are truly appreciated!
Caceres CurranCommunity resident · Google Review
My building has 6 floors and 36 units. Since RNM took over, the building has never been so clean! The staff are friendly and professional, and I love the cleaning products they use. Thanks RNM!
Walid NashashibiBuilding resident, 36 units · Google Review
[A unit owner] called me directly to express how pleased he was with the repair work performed by RNM following the HOA supply line leak. He asked that we extend his sincere thanks to you and your team for what he described as a beautiful job. Great work all around — it is appreciated.
Mike HayesPresident, Sierra Landing HOA · Google Review
RNM Building Services is a great cleaning company. We have been working with them for a long time. They have good customer service and are always checking to see if everything is completed. Cleaning is done very well every day. We recommend their business, and prices are fair.
Medvedka C.Long-time client · Google Review
Our office has been using RNM Building Services for 5 years. The quality of cleaning is excellent and they are dependable. The owner, James, is always there anytime we have an issue, and he gives us very good rates anytime we need extra services. Overall, we are extremely happy with their services, and I definitely recommend this company.
Vinay M.Office client, 5 years · Google Review
Extremely professional and efficient.
Leila N.Client · Google Review
Already a client? We’d love to hear how we’re doing.
Leave us a Google review →Ready for a building that always looks its best?
Schedule a no-obligation walkthrough. We’ll assess your facility and send a customized cleaning plan and quote.
Request a Quote
Tell us about your facility.
Share a few details and James will personally follow up to schedule your walkthrough.
Call to Book Your Next Service301-335-1348
Mailing AddressPO Box 845, Rockville, MD 20848
Request received.
Need us sooner? Call 301-335-1348.
Careers
Join the RNM team.
We’re always looking for dependable people who take pride in their work. Share your contact information and we’ll reach out about current opportunities.