Trusted Pressure Washing and Exterior Cleaning in O'Fallon, MO
Exterior surfaces in O’Fallon, MO can collect buildup quickly due to changing weather and growing neighborhoods throughout the area. We handle pressure washing, power washing, gutter cleaning, window cleaning, and house washing to address those conditions. With roots as Wall 2 Wall Cleaning Services, we’ve spent more than 20 years working on homes in O'Fallon. Our trained, background-checked, in-house technicians use the right methods for each surface. We back every service with an 18-month no-mold guarantee and a 100% satisfaction guarantee. The goal is to leave your home cleaner for longer.
Skill and Experience You can Trust In O'Fallon, MO
O’Fallon, MO properties vary from newer developments to established areas, each with different cleaning needs. We adjust how we work based on exposure, buildup, and surface type to get better results.
A Closer Look at Exterior Cleaning in O’Fallon, MO
O'Fallon driveways, sidewalks, patios, and concrete surfaces collect dirt, mold, oil, and algae year-round. Our pressure washing and power washing in O'Fallon remove buildup and restore surfaces without causing damage.
Clogged gutters cause overflow, foundation damage, and roof problems that get expensive fast. During gutter cleaning in O'Fallon, we remove all leaves, sediment, and debris from gutters and downspouts and verify proper water flow before we leave.
Dirty windows dull curb appeal and block natural light. Our window cleaning and window washing in O'Fallon covers interior and exterior glass with streak-free results every time.
Mold, algae, and staining build up on siding, brick, and stone over time. Our soft washing process in O'Fallon safely removes buildup without damaging vinyl, paint, or landscaping.
Exterior Cleaning Services in O’Fallon, MO
Castellan Pro Wash handles your home's exterior. For inside-the-home cleaning in O'Fallon, our sister company Wall 2 Wall Home Cleaning covers recurring maid service, deep cleaning, and move-in/out.
The Local Areas in O’Fallon, MO We Service
North O’Fallon, South O’Fallon, Aspen Pointe, Savanna Place, Villages at Dardenne, Laura Hill Road area, Highway K corridor, Mexico Road area, Hawk Ridge — plus nearby communities and surrounding areas throughout O’Fallon.
Wherever you are in O’Fallon, MO or the surrounding area, our team is ready to help take care of your exterior cleaning needs.
Results That Keep Clients Working with Castellan Pro Wash
Amy Freshwater
"We have a total of 13 windows and 8 sliding glass doors on our home. Jesse and Sterling were courteous, respectful, kind and “nit picky” about thoroughly cleaning our windows and doors. I appreciated their attention to detail and professionalism very much! Our glass surfaces have been sparkling for a week! We’re delighted!"
Window Cleaning Client
Earl & Diane Causey
"We have used Wall 2 Wall for many years to wash our siding and windows and their work and employees are excellent. They are polite and do a great job washing away the winter grime. This year we added our patio furniture and patio and are very pleased. We have lots of benches, chairs and tables sitting on an uncovered as well as covered patio and they all clean as can be. THANK YOU WALL 2 WALL!
Pressure Washing Client
Joshua Micah
"Wall 2 Wall Cleaning Services did a great job cleaning out my gutters and downspouts. My downspouts were completely packed with several years' worth of debris, and they managed to get everything cleared out. I was especially impressed with how thorough they were and how well they cleaned up after themselves. The whole process was smooth and professional. Highly recommend!"
Gutter Cleaning Client
Over 20 Years of Pressure Washing and Exterior Cleaning in O'Fallon
Our team has pressure-washed driveways, cleaned gutters, washed windows, and soft-washed homes across O'Fallon for more than two decades. That experience means we know which surfaces need low pressure, which cleaning solutions work best on Missouri mold and algae, and how to protect your siding, paint, and landscaping throughout the process. We have cleaned properties in every season and every condition that O'Fallon weather can produce.
Why O'Fallon Homeowners Choose Castellan Pro Wash
Clear Pricing With Defined Scope
Clients receive straightforward pricing and a clearly outlined scope before work begins. Castellan Pro Wash does not rely on surprise charges or on-site pressure. Expectations are set in advance and honored.
Locally-Rooted Reputation Focused
Castellan Pro Wash serves O'Fallon and surrounding communities with a long-term commitment to quality. Our reputation is built through repeat clients, referrals, and consistent performance across properties.
Satisfaction Backed Without Delay
If any part of the service does not meet expectations, Castellan Pro Wash addresses it promptly. Corrections are handled professionally and without resistance. Accountability is built into how we operate.
Professional Systems Built for Longevity
Every service uses commercial-grade equipment and refined processes developed over decades. These systems clean effectively while reducing unnecessary wear. The result is reliable performance and preserved surfaces.
How Is Exterior Cleaning Priced in O’Fallon, MO?
What you’ll pay really comes down to how your home is set up and how much buildup has developed over time. Some homes clean up quickly, while others take more time depending on exposure and condition.
Pressure Washing usually falls between $150 and $500. For most driveways, the typical range is $200 to $350 depending on staining and size.
Gutter Cleaning tends to run between $150 and $350. Taller homes or gutters with heavy debris will land toward the higher end.
Window Cleaning is based on how many windows need to be cleaned and whether both sides are included. Most homes in O’Fallon fall between $175 and $400.
House Washing typically ranges from $300 to $600 and includes our 18-month no-mold guarantee for longer-lasting results.
We walk through everything with you before starting. Quotes are free, clearly explained, and don’t come with hidden charges.
Explore Our Frequently Asked Questions
Enjoy Your Weekend While We Handle the Exterior Cleaning
Alligator’s Creek Aquatic Center: A seasonal destination featuring pools, slides, and recreational water areas for families during warmer months.
Winghaven Golf Club: A well-maintained golf course offering a relaxed setting for both experienced players and casual outings.
Ethyl's Smokehouse & Saloon: Down-home hangout featuring burgers, wings, beer & BBQ, plus many TVs, outdoor seating & a kid area.
CarShield Field: Home to local baseball games and community events, this venue offers an enjoyable atmosphere for sports fans and families.
Let Us Take Care of Your Home’s Exterior in O’Fallon, MO
Exterior buildup doesn’t fix itself, and over time it only gets harder to remove. We take care of pressure washing, gutter cleaning, window cleaning, house washing, and deck and fence cleaning across O’Fallon, MO so you don’t have to think about it. It’s a simple way to keep your home looking right year-round. Call (636) 220-5150 or request a free quote online.