Oasis Powerwashing | #1 Rated House Washing & Roof Cleaning in Anne Arundel & PG County MD
✓ Licensed & Insured • Serving Maryland Since 2015

Professional Power Washing Services in Anne Arundel & Prince George's County

Oasis Powerwashing delivers expert house washing, roof cleaning, and exterior restoration across Maryland. We serve Annapolis, Bowie, Severna Park, and surrounding areas with safe soft wash technology that protects your home while removing mold, mildew, and Maryland pollen buildup.

📞 Get Your Free Estimate
Licensed & Insured
500+ Homes Cleaned
🛡️ 100% Satisfaction Guarantee

Signs Your Home Needs Professional Power Washing

Maryland's humid climate and heavy pollen seasons create unique challenges for home exteriors. Look for these warning signs:

Green Algae & Mold Growth

Dark green or black streaks on siding, especially on north-facing walls. Maryland's humidity creates perfect conditions for organic growth that can damage siding.

🌼 Yellow Pollen Buildup

Spring pollen coats your home in a yellow film that regular rain won't remove. This "yellow dust" from Maryland oaks and pines stains surfaces if not cleaned promptly.

🏠 Dull, Dirty Exterior

Your home looks faded or dingy compared to when it was new. Dirt, pollution, and environmental contaminants accumulate over time, reducing curb appeal.

🌧️ Water Stains on Driveway

Oil spots, tire marks, and mineral deposits on concrete or pavers. These stains become permanent if not professionally treated.

Roof Discoloration

Black streaks or moss growth on shingles. This is Gloeocapsa magma bacteria that feeds on limestone in asphalt shingles and shortens roof lifespan.

🪵 Deck Gray Weathering

Wood decks turning gray from UV damage and moisture. Untreated decks can rot, splinter, and become unsafe for families.

🏡 Preparing to Sell

Studies show professional exterior cleaning can increase home value by 5-10%. Essential for Annapolis and Bowie homeowners listing their property.

🌊 Chesapeake Bay Salt Air

Homes near the Bay accumulate salt residue that corrodes surfaces. Regular washing prevents premature deterioration of siding and metal fixtures.

Our Power Washing Services

Complete exterior cleaning solutions for residential and commercial properties throughout Anne Arundel and Prince George's County

House Soft Washing Service Annapolis MD

House Soft Washing

Low-pressure cleaning safe for vinyl, brick, stucco, and wood siding. Removes mold, mildew, algae, and Maryland pollen without damaging your home's exterior.

Learn More →
Roof Cleaning Service Bowie Maryland

Roof Cleaning

Safe roof washing removes black streaks, moss, and algae that shorten roof life. EPA-approved solutions protect your shingles and boost curb appeal.

Learn More →
Driveway Pressure Washing Severna Park

Driveway & Concrete

Restore driveways, walkways, and patios. We remove oil stains, tire marks, efflorescence, and years of grime using professional equipment.

Learn More →
Deck Cleaning and Sealing Crofton MD

Deck & Dock Washing

Complete deck restoration including cleaning, brightening, and sealing. Perfect for wood, composite, and vinyl decks around the Chesapeake Bay.

Learn More →
Paver Cleaning and Sealing Annapolis

Paver Restoration

Clean, re-sand, and seal paver driveways and patios. Remove efflorescence and restore vibrant color to your hardscaping investment.

Learn More →
Commercial Pressure Washing PG County

Commercial Services

Regular maintenance for storefronts, office buildings, parking garages, and restaurants. Keep your business looking professional year-round.

Learn More →

Our 6-Step Cleaning Process

Professional results through proven methodology designed for Maryland homes

Free Inspection

We assess your property, identify problem areas, and provide a detailed written estimate with transparent pricing—no obligation.

Property Preparation

We protect landscaping with tarps, cover outdoor furniture, close windows, and pre-wet plants to ensure complete safety.

Eco-Friendly Pre-Treatment

Apply specialized biodegradable cleaning solutions that break down mold, mildew, algae, and organic growth at the molecular level.

Gentle Soft Washing

Using low-pressure (under 500 PSI) combined with our cleaning solutions, we remove contaminants without damaging surfaces.

Thorough Final Rinse

Complete rinse with clean water to remove all cleaning residue and reveal your home's natural beauty and color.

Quality Inspection

Final walkthrough with you to ensure 100% satisfaction. We don't leave until you're completely happy with the results.

What's Included in Every Service

Professional power washing that goes beyond surface cleaning

Complete Exterior Wash

Mold & Mildew Removal

Pollen & Dirt Elimination

Algae & Moss Treatment

Surface-Safe Techniques

Eco-Friendly Solutions

Landscaping Protection

Furniture Relocation

Gutter Exterior Cleaning

Window Sill & Trim Wash

Light Fixture Cleaning

Satisfaction Guarantee

Why Maryland Homeowners Trust Oasis

We combine local expertise with professional-grade equipment to deliver results that last

🌊

Soft Wash Technology

Our low-pressure system is 100% safe for all surfaces. No damage to siding, shingles, or delicate materials—just pristine results that last longer.

🧪

Eco-Friendly Solutions

Biodegradable, EPA-approved cleaning agents safe for your family, pets, landscaping, and the Chesapeake Bay watershed. We protect what matters.

Licensed Professionals

Fully insured technicians with years of experience. We understand Maryland's unique challenges: pollen seasons, humidity, salt air, and freeze-thaw cycles.

Same-Week Service

Fast response times and flexible scheduling. Most residential projects completed in a single day with minimal disruption to your routine.

💯

Satisfaction Guaranteed

Not completely satisfied? We'll re-clean at no charge. Your happiness is our priority on every single job, every time.

💰

Transparent Pricing

Upfront quotes with no hidden fees. We offer seasonal discounts and maintenance packages for recurring customers in Annapolis and Bowie areas.

Power Washing Pricing Guide

Transparent pricing for Maryland homes. All estimates include free inspection.

House Washing

$250-$450avg

Single-story home soft wash

  • Up to 2,000 sq ft
  • Vinyl, brick, or stucco
  • Mold & mildew removal
  • Pollen elimination
  • Landscaping protection
  • Same-day service
Get Quote

Roof Cleaning

$350-$550avg

Asphalt shingle roof wash

  • Up to 2,500 sq ft roof
  • Black streak removal
  • Moss & algae treatment
  • Extends roof life
  • Safe low-pressure
  • 5-year warranty
Get Quote

Pricing factors: Home size, siding type, level of contamination, accessibility, and additional services. Two-story homes, heavy mold/mildew, or difficult access may increase pricing. Call (410) 739-9961 for your free, no-obligation estimate.

Proudly Serving Anne Arundel & Prince George's County

Annapolis
Bowie
Severna Park
Crofton
Pasadena
Arnold
Davidsonville
Upper Marlboro
Gambrills
Odenton
Laurel
Greenbelt

Frequently Asked Questions

Everything you need to know about our power washing services in Maryland

What's the difference between pressure washing and soft washing? +
Pressure washing uses high-pressure water (1500-4000 PSI) ideal for concrete, brick, and stone surfaces. Soft washing uses low pressure (under 500 PSI) combined with specialized cleaning solutions—perfect for roofs, siding, and delicate surfaces. At Oasis Powerwashing, we choose the method based on your surface type to ensure safety and effectiveness without damage.
How much does house washing cost in Anne Arundel County? +
Residential house washing in Annapolis, Bowie, and surrounding areas typically ranges from $250-$650+ depending on home size, siding type, and level of contamination. Two-story homes, heavy mold/mildew from Maryland humidity, or difficult access may increase pricing. We provide free, no-obligation quotes with transparent pricing—no hidden fees ever.
Will power washing damage my siding or roof? +
Not when done by professionals! We use soft wash technology for siding and roofs, which relies on cleaning solutions rather than high pressure. This method is recommended by siding manufacturers and is 100% safe for vinyl, aluminum, brick, stucco, wood, and asphalt shingles. Our technicians are trained to adjust pressure and solutions for each surface type.
How often should I have my home power washed in Maryland? +
We recommend annual cleaning for most Maryland homes due to our humid climate and heavy pollen seasons. Homes near the Chesapeake Bay or with heavy tree coverage may benefit from bi-annual service. Regular cleaning prevents mold buildup, protects your investment, maintains curb appeal, and is especially important before selling your home in competitive markets like Annapolis and Severna Park.
Are your cleaning solutions safe for pets, plants, and the Chesapeake Bay? +
Yes! We use EPA-approved, biodegradable cleaning solutions that are safe for your family, pets, and landscaping. We pre-wet plants before application and thoroughly rinse after cleaning. Our eco-friendly approach protects the Chesapeake Bay watershed while delivering exceptional results. We're committed to environmental stewardship in all our services.
Do I need to be home during the power washing service? +
No, you don't need to be home as long as we have access to the exterior of your property and a water source. We'll close windows, move lightweight furniture if needed, and ensure everything is secure. Many customers in Bowie, Crofton, and Annapolis schedule service while at work for convenience. We'll send before and after photos upon completion.
How long does the cleaning take and when will I see results? +
Most residential homes are completed in 2-4 hours depending on size and services requested. You'll see immediate improvement after we rinse, but some organic growth (like algae and mold) may continue to fade over 24-48 hours as our cleaning solutions continue working. Roof cleaning results are typically fully visible within 2-3 weeks.
What areas do you service in Maryland? +
Oasis Powerwashing proudly serves all of Anne Arundel County and Prince George's County, including Annapolis, Bowie, Severna Park, Crofton, Pasadena, Arnold, Davidsonville, Upper Marlboro, Gambrills, Odenton, Laurel, and Greenbelt. If you're outside these areas, call us—we may still be able to help!

Ready to Restore Your Home's Curb Appeal?

Join hundreds of satisfied homeowners in Anne Arundel and Prince George's County. Free estimates, no pressure, just results that last.

📞 Call or Text: (410) 739-9961

✓ Free Estimates  •  ✓ Licensed & Insured  •  ✓ Same-Week Availability  •  ✓ 100% Satisfaction Guarantee