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Trusted by local businesses
Be the brightest house on the block
by dinner time!
Don’t let the gray driveway or green siding ruin your home's aesthetic! We erase years of weathering in a few hours, making your neighbors wonder if you repainted!
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Voted neighborhood favorite in the Greater Susquehanna Valley!
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Proud Central PA Chamber Member Since 1992
Why settle for a grimy house when yours could be the most stunning one in the neighborhood?
Weather, time, and nature can take a toll on your property. We eliminate the headaches of exterior maintenance so you can enjoy a pristine home without the stress.
Stubborn Algae & Mold
Green and black streaks not only look bad but can permanently damage your siding over time.
Slippery, Faded Decks
Algae and mildew build up on wood and composite decks, making them dangerous and unsightly.
Our 100% Satisfaction Guarantee
We take pride in our work and stand behind every job. If you're not completely satisfied with our cleaning services, we'll make it right. No questions asked, no hidden fees. Your peace of mind is our top priority.
Trusted by Your Neighbors
Don't just take our word for it. See what other homeowners in the Greater Susquehanna Valley have to say about our professional services.
"Keystone Power Washers did an incredible job on our vinyl siding and deck. They were careful around our landscaping and the house looks brand new! Highly recommend their professional team."
Sarah M.
Lewisburg, PA
"We hired them for driveway cleaning and the results were incredible. The ugly stains are completely gone. The technicians were polite, clean, and explained the whole process."
David R.
Milton, PA
"I've used several power washing companies over the years, but Keystone is by far the best. They managed to remove stubborn rust stains from our driveway that others couldn't budge."
Jennifer L.
Danville, PA
"The team restored our 15-year-old concrete patio. I was convinced we needed to replace it, but their high-pressure surface cleaning made it look freshly poured. Outstanding value!"
Mark T.
Selinsgrove, PA
"I manage a local retail store, and Keystone handles our storefront and sidewalk cleaning. They are reliable, work around our hours, and keep our business looking inviting to customers."
Emily W.
Williamsport, PA
"Fast, professional, and reasonably priced. They soft-washed our stucco home and removed years of algae without any damage. I'll definitely be calling them again next spring."
Robert K.
Bloomsburg, PA
See the Difference
Our professional power washing services completely transform your property's exterior. Swipe to see real results from our recent projects in Central PA.
Driveway Restoration
Vinyl Siding Cleaning
Deck Revitalization
Featured Case Studies
Explore how we've helped local businesses and homeowners solve severe exterior maintenance challenges.
Logistics Fleet Restoration
A local trucking company was struggling with severe road grime and oxidation on their fleet of 50+ vehicles, impacting their brand image.
HOA Multi-Unit Siding Treatment
A 24-unit townhome community was facing letters from their insurance provider threatening cancellation due to severe black algae on siding.
Complete Power Washing Services
Welcome to Keystone Power Washers, the trusted choice for professional residential and commercial power washing in Union, Northumberland, Snyder, Perry, Montour, Columbia Counties. Also parts of Lycoming and Sullivan Counties within a 30 mile radius of our business address. Our expert team delivers eco-friendly, reliable exterior cleaning solutions tailored to your property's needs.
House Washing
Restore your home's curb appeal with our soft wash house cleaning service. We gently remove dirt, mold, algae, and buildup from siding, brick, and stucco, keeping your property in pristine condition.
Deck & Patio Cleaning
Enjoy your outdoor spaces again! Our deck and patio cleaning removes slippery algae, grime, and mildew from wood, composite, and concrete surfaces, making them safe and beautiful for family and guests.
Concrete & Driveway Cleaning
Enhance your property's first impression with pressure washing for driveways, sidewalks, and walkways. We tackle oil stains, tire marks, and years of dirt with powerful, eco-friendly solutions.
Commercial Exterior Cleaning
Make your business stand out with storefront cleaning, commercial building washing, and parking lot pressure washing. We serve offices, retail, restaurants, and managed properties—no job too big or small.
Specialty Services
Beyond standard cleaning, we offer comprehensive maintenance plans, graffiti removal, and eco-friendly treatments for specialized surfaces. We handle the tough jobs so you don't have to.
- Mold and mildew removal
- Graffiti removal
- Scheduled maintenance plans
- One-time cleanings
- Eco-friendly cleaning solutions
Additional Surfaces We Wash
Our expertise extends beyond the basics. We have the specialized equipment and knowledge to safely and effectively clean a wide variety of structures and surfaces around your property.
Thinking about selling? Schedule today to boost your home or business value by as much as 2%-5% and sell faster!
Business Hours
Available when you need us.
⚠️ Emergency spill response available 24/7.
40+
Years of Excellence
A Legacy of Cleanliness & Trust in Central PA
Keystone Power Washers has been Central PA's premier exterior cleaning company for over 40 years.
We combine decades of experience with advanced soft washing technology to deliver reliable, eco-friendly results.
We treat your home like our own, ensuring a pristine property and your complete satisfaction.
Meet Our Team
The dedicated professionals behind Keystone Power Washers. We're committed to delivering exceptional results with a smile.
Dale
Founder & Lead Specialist
With over 40 years of experience, Dale leads the team with a passion for exterior restoration and customer satisfaction.
Sarah
Office Manager
Sarah ensures scheduling runs smoothly and every customer receives prompt, friendly, and helpful communication.
Mike
Senior Technician
Mike is our soft-wash expert, specializing in delicate siding cleaning and bringing weathered surfaces back to life.
Advanced Specialized Services
Beyond standard power washing, we offer advanced specialized restoration and cleaning services for both residential and commercial projects to tackle the toughest stains.
Acid Washing
Deep cleaning for masonry and concrete to remove stubborn buildup and stains.
Rust Removal
Safe elimination of unsightly rust stains from siding, concrete, and metal surfaces.
Efflorescence Removal
Clearing away the white, powdery salt deposits that plague brick and block walls.
Wood Restoration
Revitalizing weathered decks, fences, and outdoor wooden structures.
Oxidation Removal
Restoring the color and shine to faded vinyl siding and metal surfaces.
Gum Removal
High-temperature cleaning to melt away old chewing gum from walkways and commercial entryways.
Local Experts You Can Trust
We've built our reputation on reliability, exceptional results, and treating every property with the utmost care and respect. Serving thousands of residential and commercial clients, we know what it takes to do the job right the first time.
- Local, experienced, and fully insured professionals
- State-of-the-art power washing and soft wash equipment
- Eco-friendly, non-toxic cleaning agents
- Satisfaction guaranteed for every project
- Flexible scheduling for homes and businesses
Instant Pricing Estimator
Get a rough idea of what your project might cost. Select your services and home size below for an instant estimated range.
1. Property Measurement & Services
Subscribe & Save
Instead of paying for large jobs all at once, spread the cost over time while keeping your property pristine year-round. Perfect for homeowners who want hassle-free maintenance or businesses needing frequent cleanings.
Seasonal Refresh
Basic Annual Care
- 1 Full House Wash per year
- 1 Gutter Cleaning per year
- 10% off additional services
- 1 Storefront/Building Wash
- Annual Sidewalk Cleaning
- 10% off additional services
Year-Round Prestige
Comprehensive Protection
- 1 Full House Wash per year
- Driveway & Walkway Cleaning
- Patio & Deck Maintenance
- Priority Scheduling
- Bi-Annual Storefront Wash
- Awning & Signage Cleaning
- Quarterly Walkway Cleaning
- Priority Scheduling
Ultimate
Maximum Frequency
- Quarterly Exterior Touch-ups
- Bi-Annual Concrete Cleaning
- Patio & Deck Maintenance
- 24/7 Emergency Response
- Quarterly Exterior Touch-ups
- Bi-Annual Dumpster Pad Cleaning
- High Traffic Area Maintenance
- 24/7 Emergency Spill Response
Enterprise Packaging
Need a custom solution for a large facility, HOA, or multi-location business? Contact us for a custom enterprise quote.
Request Custom Quote →Frequently Asked Questions
Have questions about our power washing process? Find answers to the most common questions below.
Property Maintenance Guides
Expert tips and advice to keep your home's exterior looking its best year-round.
Why Regular Driveway Cleaning Prevents Concrete Cracking
Learn the best practices for protecting your investment and keeping your property pristine.
Soft Washing vs. Pressure Washing: What's the Difference?
Learn the best practices for protecting your investment and keeping your property pristine.
Why Fall is the Perfect Time for Gutter Cleaning
Learn the best practices for protecting your investment and keeping your property pristine.
Service Areas — Proudly Serving Your Community
We proudly serve customers throughout Union County, Snyder County, Northumberland County, Montour County, Columbia County, Perry County, and parts of Lycoming County and Sullivan County, within a 30 mile radius of our Business address.
Core Service Area
- • Union County (Lewisburg, Mifflinburg)
- • Snyder County (Selinsgrove, Middleburg)
- • Northumberland County (Sunbury, Milton)
- • Montour County (Danville)
- • Columbia County (Bloomsburg, Berwick)
- • Perry County
Extended Service Area (Parts of)
- • Lycoming County (Williamsport, Muncy)
- • Sullivan County
Ready to Protect Your Investment?
Don't let dirt and grime diminish your property's value. Schedule your hassle-free, professional cleaning service today and see the difference.