Commercial Cleaning That Shines Like Diamond
SZ Diamond Shine LLC delivers dependable, detail-obsessed cleaning for offices, medical facilities, retail spaces and commercial properties throughout the DMV creating healthier, more welcoming work environments.
A cleaning partner built on trust and detail
SZ Diamond Shine LLC is a locally owned commercial cleaning company based in Upper Marlboro, Maryland. We serve homeowners, business owners and property managers who expect dependable, high-quality results every visit, without excuses.
Commercial cleaning, tailored to your property
From nightly janitorial programs to one-time deep cleans, every scope is customized to your facility, your schedule and your standards.
Office Cleaning
Daily, weekly, or nightly janitorial programs that keep workspaces spotless, sanitized and presentation-ready for your clients and staff.
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Medical Office Cleaning
Clinical-grade disinfection protocols tailored specifically for medical, dental, and healthcare facilities across the region.
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Post-Construction Cleaning
Complete dust, debris, and residue removal ensuring your newly constructed or renovated site opens flawlessly.
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Move-In / Move-Out
Deep turnover cleaning for commercial offices, residential apartments, and condo communities between tenants.
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Retail & Hospitality
Storefronts, restaurants, and shopping centers cleaned on flexible schedules that never interrupt your business hours.
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Custom Solutions
Tailored scopes, deep floor care, exterior window washing, and specialty cleaning add-ons built for your property.
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Experienced Cleaning
Professionals
- Fully Trained Cleaning Staff
- Consistent Quality Standards
Safe & Eco-Friendly
Cleaning
- Family & Pet Safe Products
- Environmentally Responsible Solutions
Flexible Cleaning
Plans
- One-Time & Recurring Services
- Customized Cleaning Schedules
Reliable Customer
Support
- Fast Booking & Response
- Satisfaction Guaranteed
Easy steps to book your cleaning
Seamlessly deliver reliable cleaning support with simple booking, clear communication, trained specialists, and final walkthroughs that keep every space fresh.
GET INSTANT ESTIMATE
Share your rooms, schedule, and cleaning goals to receive a clear estimate for your space.
PROFESSIONAL CLEANING VISIT
Our trained team arrives prepared, protects surfaces, and cleans every agreed area.
QUALITY CHECK FOLLOW-UP
We review the finished work, and make sure the space meets your expectations.
See the Difference We Make
What our clients say
Property managers, office administrators and business owners across DC, Maryland and Virginia.
“SZ Diamond Shine transformed our office. Their team is meticulous, punctual and genuinely cares about the details. Our clients notice the difference the moment they walk in.”
“We manage twelve commercial properties and they handle four of them. Zero complaints in two years — that says everything about their reliability.”
“Our post-construction turnover was spotless and delivered a full day ahead of schedule. Professional, insured and easy to work with.”
“SZ Diamond Shine transformed our office. Their team is meticulous, punctual and genuinely cares about the details. Our clients notice the difference the moment they walk in.”
“We manage twelve commercial properties and they handle four of them. Zero complaints in two years — that says everything about their reliability.”
“Our post-construction turnover was spotless and delivered a full day ahead of schedule. Professional, insured and easy to work with.”
Proudly serving the DMV
Washington, DC
Maryland
Virginia
Based in Upper Marlboro, MD and cleaning commercial properties across Washington DC, Maryland and Northern Virginia.
Get your free quote today
Tell us about your property and we'll respond the same business day with a transparent estimate.
(202) 905-2456
info@szdiamondshine.com
Upper Marlboro, MD
Mon – Sat: 7:00 AM – 7:00 PM · Emergency service available 24/7