Window cleaning
$9 per pane exterior · $17 inside & out (steam cleaning included)
Interior and exterior glass, screens, tracks and sills, with hard-water spot treatment. Streak-free, guaranteed.
Serving Ontario, CA
Window Cleaning & Permanent Lighting in Ontario, CA
Knockout Cleaners brings streak-free window cleaning and app-controlled permanent lighting to homes and businesses in Ontario. Locally owned in Montclair, also serving Montclair, Upland, Rancho Cucamonga and Chino.
Services in Ontario
What we do in Ontario
Permanent lighting
$100 off when you book within 14 days
Low-profile LEDs on your roofline, any color from your phone. Holidays, game days and everyday lighting, without the ladder.
How it works
Three simple rounds
Round 1
Request your estimate
Send your address. We reply within a few hours with a price.
Round 2
We do the work
On time, careful with your home, nothing left behind.
Knockout
Pay when you're happy
You never pay until you're 100% satisfied.
Live from our Google Business Profile
What customers say
Griselda Loera★★★★★"The service I received was excellent. Moises was professional and on time! They cleaned my windows and they came out amazing! Will definitely use them again!"
Google review
Adam Franco★★★★★"Moises did a wonderful job! Came to my house, came EARLY and got the job done EARLY! Cleaned my roof AND my windows. NO SPOTS and very charming young man."
Google review
barriotoboulevard★★★★★"Moises did an EXCELLENT JOB! I'm honestly impressed. They worked efficiently, didn't leave a mess, and the price was fair. I'll definitely use them again."
Google review
Questions
Service in Ontario
Do you serve Ontario?
Yes. We clean windows and install permanent lighting for homes and businesses in Ontario and nearby Montclair, Upland, Rancho Cucamonga and Chino.
How much does window cleaning cost in Ontario?
$9 per pane for exterior only, or $17 per pane inside and out with steam cleaning included. Send your address and we will reply with an exact price within a few hours.
How do I get a quote?
Fill out the form below or call or text (909) 402-0314. Estimates are free and you never pay until you are 100% satisfied.
Other areas we serve
Free estimate
Get your Ontario quote
No obligation. We reply within a few hours. Prefer to talk? Call or text (909) 402-0314.
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