Massachusetts' Premium Exterior Cleaning & Property Maintenance Company
Residential • Commercial • Specialty • Seasonal
From soft washing and roof cleaning to commercial property maintenance, junk removal, sanitation, and seasonal services — Diamond Corp delivers professional results built around reliability, appearance, and long-term property care.
Every service your property needs — one phone call.
Diamond Corp isn't a pressure washing company. We're a full-service exterior and property maintenance company built for homeowners, commercial properties, and everything in between.
Exterior House Washing
Surface-safe soft wash systems restore siding, brick, and stucco without damage.
Roof Soft Washing
Kill algae, moss, and lichen at the source — extend the life of your roof.
Driveway & Concrete
High-pressure surface cleaning lifts oil, mildew, and years of buildup.
Paver Restoration & Sealing
Deep clean, re-sand, and seal pavers to look new and stay that way.
Commercial Property Cleaning
Storefronts, dumpster pads, sidewalks, parking lots, and full building washes.
Landscaping & Maintenance
Seasonal cleanups, mulch, hedge work, and recurring property upkeep.
Junk Removal & Cleanouts
Full estate, garage, attic, and commercial cleanout services.
Holiday Lighting
Design, install, maintain, and remove — turnkey premium light displays.
Housekeeping & Interiors
Detailed interior cleaning for homes, offices, and short-term rentals.
Vehicle & Fleet Detailing
Mobile detailing for personal vehicles and full commercial fleets.
Sanitation & Specialty
Disinfection, graffiti removal, and emergency cleanup response.
Demolition & Site Prep
Light demolition, debris haul-off, and property prep services.
Built for property owners who care how it looks.
Our reputation is earned project by project. Here's how we operate.
Results that sell themselves.
Driveways, house washes, roofs, commercial properties, pavers, decks — the transformation speaks louder than copy.
BeforeAfter"Looked brand new in one afternoon."
BeforeAfter"Worth every penny. Curb appeal back."
BeforeAfter"No more black streaks. Looks new."
BeforeAfter"Tenants noticed the next morning."
The company people call for everything property-related.
When something needs to get done on your property — we're the one call.
Reputation built on real results.
"Diamond Corp transformed our entire commercial property. Sidewalks, building exterior, dumpster area — everything. Their crew is professional and the difference is night and day."
"I've used a lot of services over the years. Nobody comes close to the attention to detail Dana and his team bring. They treat your home like it's their own."
"Quick to quote, easy to schedule, and the results speak for themselves. We have them on a recurring maintenance program now for all three of our restaurants."
Proudly serving Massachusetts.
Boston • North Shore • South Shore • Surrounding Areas
Don't see your town? Just ask.
Check My AreaAnswers, upfront.
How much does pressure washing cost?
Do you use soft washing?
Are you fully insured?
How quickly can you schedule?
Do you offer recurring maintenance?
Do you handle commercial properties?
Are estimates free?
Get your free property assessment & quote.
Professional exterior cleaning and property maintenance tailored to your home or business. Free quotes, no obligation, fast turnaround.