High-Impact Cleaning for Lasting Curb Appeal

Power Washing Services in Walnut Creek, CA


At Mt Diablo Window Cleaning, we do more than just clean windows — we help homeowners and businesses throughout Walnut Creek reclaim the beauty of their outdoor spaces with professional pressure washing. With this in mind, our power washing service in Walnut Creek, CA is the go-to solution for blasting away years of dirt, mildew, algae, and grime from your walkways, patios, siding, and more.

Power washing is also one of the fastest and most effective ways to boost your property’s curb appeal. So whether you’re prepping for a backyard gathering, planning a home sale, or just tired of looking at stained concrete or discolored siding, our experienced team is here to get your surfaces looking brand new.

Check Availability by Phone

Tailored Cleaning for Any Outdoor Surface

Pressure Washing for Every Surface


Not all buildup is created equal — and not all surfaces should be cleaned the same way. That’s why we customize our pressure washing service in Walnut Creek, CA based on your property’s materials, level of grime, and environmental factors. Using professional-grade equipment and environmentally friendly detergents when needed, we carefully clean your surfaces without causing damage.
  • Driveways and Walkways: Oil stains, dirt tracks, and tire marks are no match for our powerful systems.
  • Patios and Decks: Restore outdoor living spaces from weather wear and seasonal buildup.
  • House Siding and Exteriors: Whether your home is stucco, vinyl, or wood, we carefully remove grime while protecting the finish.
  • Fence Washing: Brighten up your wood or vinyl fencing by removing green algae and dirt.
  • Poolside Surfaces and Concrete Pads: A safer, cleaner surface around water features.

We serve homes and businesses throughout Walnut Creek, including the neighborhoods of Saranap, Rudgear Estates, and Walnut Heights, where weather changes and tree coverage can accelerate mold and dirt accumulation.

Start With a Message

Erase Mineral Stains Without Damage

Hard Water Stain Removal in Walnut Creek, CA


One of the most stubborn problems property owners face in the East Bay is hard water staining. If your outdoor glass, concrete, or siding has white, chalky spots or rings, those are likely calcium and mineral deposits left behind by hard water.

We offer hard water stain removal in Walnut Creek, CA for surfaces that have been affected by sprinkler systems, hose overspray, or mineral-rich groundwater. Using specialized treatments, we safely break down these deposits and restore your glass and hard surfaces to a clean, clear state. Our techniques are safe and effective and help prolong the life and appearance of your surfaces.

Outdoor windows | Glass doors and panels | Decorative stone or tile | Patio furniture | Fountains and water features

Call for Help Now

Safe for the Planet, Strong on Dirt

Eco-Friendly and Effective


At Mt Diablo Window Cleaning, we’re committed to environmentally responsible cleaning. When pressure washing alone isn’t enough, we turn to biodegradable detergents that cut through grease, algae, and mildew without harming plants, pets, or the local watershed.

We also follow best practices for water usage and runoff control. As longtime residents and service providers in Walnut Creek, we understand how precious our local environment is — from Shell Ridge Open Space to the trails around Mount Diablo — and we do our part to protect it.

Use Our Contact Form

East Bay Excellence Backed by Experience

Why Choose Mt Diablo Window Cleaning?


At Mt Diablo Window Cleaning, we’re not a franchise or a one-size-fits-all operation. We’re a family-owned, fully licensed, and insured company with over 22 years of experience in the East Bay. That means we know how to deliver high-quality results on time and with care.
  • Reliable Scheduling and On-Time Arrivals: We value your time and keep our appointments.
  • Professional Equipment and Trained Technicians: We use commercial-grade machines with expert hands.
  • Personalized Service: We tailor each cleaning based on the condition of your property and your goals.
  • Transparent Pricing and Free Estimates: No surprises — just straightforward, competitive pricing.

Whether you’re a homeowner in need of your gutters pressure washed or a commercial property manager trying to maintain professional standards, we’re here to help make your exterior spaces shine.

Send Us a Question

Stain-Free Surfaces, Cleaner Curb Appeal

Refresh Your Property with Power Washing


At Mt Diablo Window Cleaning, we believe in the power of a clean surface, and our pressure washing service in Walnut Creek, CA brings new life to driveways, siding, decks, and more — removing stains, grime, and years of buildup with care and precision. So whether you need general maintenance, hard water stain removal in Walnut Creek, CA, or help preparing your property for the market, our team is ready to help. Just reach out and contact us today for a free power washing estimate and let’s make your exterior spaces look their absolute best.

Phone Our Office

Get Answers Before You Book

FAQ: Pressure Washing in Walnut Creek, CA

How often should I have my property pressure washed?

Most surfaces benefit from a cleaning once or twice a year. Heavily shaded or high-traffic areas may need more frequent attention to prevent mold or algae buildup.

Will pressure washing damage my siding or deck?

Not when it’s done properly. We adjust pressure levels and use soft-washing techniques when needed to safely clean wood, vinyl, and delicate surfaces.

Are your cleaning products safe for my lawn and plants?

Yes. We use environmentally friendly, biodegradable solutions and take care to protect your landscaping during every job.

Can you remove oil stains from my driveway?

We can significantly reduce and often eliminate oil stains, depending on how long they’ve been there and the surface material.

Do you offer pressure washing for commercial properties?

Yes. We serve retail centers, office complexes, and other commercial buildings throughout the Walnut Creek area.