Ontario, CA · Inland Empire · Serving the Greater Area
KNOCK OUT THE DIRT.
Professional pressure washing & window cleaning that makes your property shine — inside and out.
Professional pressure washing & window cleaning that makes your property shine — inside and out.
Every job done right the first time. We come to you — residential, commercial, and everything in between.
⏱ By Appointment Only
⏱ By Appointment Only
⏱ By Appointment Only
Restore your solar panels to peak efficiency. Removes dirt, dust & buildup that reduces power output.
Storefronts, parking lots, warehouses & office buildings. Custom quotes available.
Driveways, sidewalks, patios & parking areas. Deep clean removes oil, stains & grime from any concrete surface.
Hover over any photo to see the transformation. The results speak for themselves.
"My driveway looks better than it did when we moved in. These guys are the real deal — fast, professional, and the price was totally fair. Highly recommend!"
"Had them do the entire house exterior plus windows. The difference is night and day. Neighbors kept asking who we used. Already booked them again for spring."
"Super punctual and very thorough. My windows haven't been this clean in years. No streaks, no mess left behind. Will absolutely use Knockout Cleaners again."
"Used them for my commercial storefront and they did an amazing job. Grease, gum, stains — all gone. Great crew, very professional. Our go-to from now on."
"Booked same-day and they showed up on time. My patio and fence look brand new. Couldn't believe how much grime came off. Knockout Cleaners knocked it out of the park!"
"Worth every penny. My HOA was threatening to fine me over my driveway stains. One visit from these guys and the HOA had nothing to complain about. Thank you!"
No obligation. We'll get back to you within a few hours with your personalized estimate.
We'll be in touch within a few hours with your free estimate.
Get ready for a knockout clean.
📸 Photos help us quote faster — feel free to send them via text after submitting.