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TRUSTED BY SIMI VALLEY, CA HOMEOWNERS

  • Average homeowner rating star icon4.5
    Average homeowner rating
  • Verified reviews icon271
    Verified window cleaning services reviews

Top-Rated Window cleaners in Simi Valley - Updated Nov 2026

Avatar for Clear Glass
Clear Glass
5.0(
18
)
Window CleaningWindow Cleaning - For Business

Serving Simi Valley, CA and surrounding areas

Approved

Super Service Award Winner

In business since 2021

Free estimates

Customers say: True professional

"After 20 years of neglect on my part, the windows in my house are now unbelievably clear thanks to the work of Justin and José from Clear Glass. I can recommend them without reservation. The two men did a first-class job washing the windows and cleaning the screens and the windowsills, both inside and outside. When I pointed out to Justin that two of the windows were particularly dirty, he told me that the dirt was actually discoloration caused by an issue with the argon gas insulation between the double-panes. He then told me that I should ask the manufacturer to replace the two damaged windows. In addition, José realigned three of the windows that had come off the tracks on either side of the panes. The cost of the job was very competitive, especially considering the time it took to remove so much dirt. Justin also gave me a seven-day guarantee to come back and redo anything that he had missed or that needed attention. (I did not need to take advantage of that service.)"
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+17

Response time2 days
Response rate100%
1 neighbors recently requested a quote
Avatar for Window Wizards
Window Wizards
5.0(
9
)
Window CleaningWindow Cleaning - For Business

Serving Simi Valley, CA and surrounding areas

Approved

Free estimates

Emergency services offered

Small jobs welcome

"Window Wizards did an excellent job. They pressure washed my driveway, walkway, back patio, and also washed and cleaned my patio doors. Window Wizards was very professional and did a thorough job and I would definitely hire them again and refer them to others."
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+3

2 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for GreatView Exterior Cleaning
GreatView Exterior Cleaning
5.0(
9
)
Window CleaningWindow Cleaning - For Business

Serving Simi Valley, CA and surrounding areas

Approved

In business since 2024

Free estimates

We are a locally owned and operated company that values honesty and integrity and treats your home as if it were our own. We offer a variety of quality home and office pressure washing services. You will find us to be competitively priced with close attention to the details of each and every project that we are involved with. We look forward to building lasting relationships and guarantee your satisfaction! \n \n

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After
Before
After
Pressure Washing

+3

Response time3 hrs
Response rate100%
23 neighbors recently requested a quote
Avatar for CMC Cleaning Maintenance Company
CMC Cleaning Maintenance Company
4.9(
14
)
Window Cleaning

Serving Simi Valley, CA and surrounding areas

Approved

In business since 2023

Free estimates

Offers commercial services

"Mario is an incredible businessman. He was quick to answer our requests, make sure that we had an appointment that fit our schedule, was early to the appointment, worked hard and did an incredible job. We used them for window cleaning but he had a multitude of services and I would not be hesitant using him for any one of them. A good man with a good business that does great work at a good price."
Do you want a detail job? no problem!!
Fresh and cling
The roof it’s white again
Restaurant cleaning services
Response time50 mins
Response rate93%
Recommended by100%of homeowners
GreatView Exterior Cleaning
5.0(
5
)
Window CleaningWindow Cleaning - For Business

Serving Simi Valley, CA and surrounding areas

Approved

In business since 2024

Free estimates

We are a locally owned and operated company that values honesty and integrity and treats your home as if it were our own. We offer a variety of quality home and office pressure washing services. You will find us to be competitively priced with close attention to the details of each and every project that we are involved with. We look forward to building lasting relationships and guarantee your satisfaction! \n

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Window Cleaning FAQs, answered by experts

You should avoid using abrasive materials and harsh chemicals when cleaning windows. Abrasive tools like scrubbing pads, rough cloths, or steel wool can permanently scratch and damage the glass. Harsh chemical cleaners containing alcohol or ammonia can damage window treatments, frame materials, and special features like tinting. It is also best to use distilled or filtered water instead of hard water, which can leave spots or streaks. For best results, use a clean microfiber cloth to wash the glass and old black and white newspapers to dry it without leaving streaks.

Yes, you can create a solution of dish soap and hot water to create a cleaning solution. You’ll want to mix about one to two drops of dish soap for every 8 ounces of hot water. If you use too much soap, it’ll create too many suds and make it harder to effectively wash away.

Clean high-traffic areas such as kitchen surfaces, bathroom surfaces, and bedding once per week. Deep clean other areas every three months to a year. How you use a space can help you figure out how often it should be cleaned, with areas where eating, bathing, and food prep occur getting the most frequent attention.

Yes, utilizing green solutions that are safe for both homes and the environment.

Mold on windows forms due to excess moisture from condensation, poor ventilation, or leaks. Cold glass surfaces can attract condensation, especially in winter. High indoor humidity, lack of airflow, or dust accumulation are also contributors. To prevent mold growth, improve ventilation, regularly clean sills, and consider using a dehumidifier or sealing any leaks.

The Simi Valley, CA homeowners’ guide to window cleaning services

From average costs to expert advice, get all the answers you need to get your job done.