Cleaning Northern Virginia homes with pride since 2010
MD Diaz Cleaning Service LLC is a family-owned cleaning company based in Sterling, Virginia, built on integrity, attention to detail, and respect for every home we enter.
Martha Diaz
Founder & CEO · MD Diaz Cleaning Service LLC
With over 16 years of hands-on cleaning experience, Martha Diaz founded MD Diaz Cleaning Service LLC with a simple mission: deliver the kind of careful, dependable cleaning she would expect in her own home. What started as a one-woman operation in Sterling, Virginia has grown into a trusted local team serving hundreds of families and businesses across Loudoun and Fairfax County.
Martha personally trains every member of the team and stays involved in client relationships — because to her, this isn't just a business, it's her family's legacy.
Reliable cleaning across Northern Virginia
MD Diaz Cleaning Service LLC provides professional residential and commercial cleaning services throughout Northern Virginia. We specialize in standard cleaning, deep cleaning, move-in and move-out cleaning, office cleaning, window cleaning, garage cleanup, and junk removal. Our experienced team is committed to delivering reliable, high-quality service with attention to detail. We help homeowners and businesses maintain clean, healthy, and organized spaces through customized cleaning solutions tailored to their needs.
Built in Sterling, trusted across NoVA.
A family-grown cleaning company that turned 16+ years of hands-on care into a name Northern Virginia families trust on repeat.
From a single home in Sterling
Martha started with one client, one bucket and a promise: clean every space like it were her own. Word spread fast across the neighborhood.
A trained local team
We built a team of background-checked, uniformed professionals — every member personally trained by Martha to meet the MD Diaz standard.
Loudoun & Fairfax's go-to cleaners
From routine housekeeping to deep cleans, move-outs and office contracts — hundreds of homes and businesses count on us week after week.
The #1 Local Cleaning Service in Northern Virginia
From Sterling to Ashburn, Reston, Herndon and Leesburg — recurring, deep, move-in/out, Airbnb and office cleaning that leaves spaces sparkling, healthy and ready to live in.
Licensed, Bonded & Insured
Full liability coverage on every job. Total peace of mind for every home and business we step into.
Eco-Friendly Products
Non-toxic, family-safe solutions that protect kids, pets and indoor air quality.
Flexible Extended Hours
Mon 5 a.m.–11:30 p.m. · Tue–Wed–Thu–Fri 5 a.m.–11 p.m. · Sat–Sun 7 a.m.–5 p.m.
Vetted & Trained Staff
Background-checked, uniformed professionals trained by Martha herself.
100% Satisfaction Guarantee
Not happy with a spot? We come back and re-clean it free of charge.
Why businesses choose us
From small offices in Sterling to medical, retail and commercial facilities across Northern Virginia — companies trust MD Diaz Cleaning Service to keep their workplaces spotless, healthy and ready to impress.
Customized Cleaning Plans
Scopes built around your facility, traffic and budget — no rigid packages.
After-Hours & Weekend Service
We work around your operations so business never stops.
Fully Insured & Compliant
OSHA-aware practices, COIs on request, total liability coverage.
Consistent, Dedicated Teams
The same trained crew every visit — quality you can count on.
Green-Certified Products
Healthier workspaces with EPA-recognized eco-friendly supplies.
Quality Inspections
Routine walkthroughs and reporting to maintain top-tier standards.
Responsive Account Management
Direct line to Martha and our ops team — never a call center.
Trusted by Local Businesses
Offices, clinics, retail and Airbnb hosts across Loudoun & Fairfax.