Markham Window Cleaning

Bring back the clarity to every view with streak-free window cleaning, inside and out, for residential and commercial properties across Canada and the United States.

  • Reach up to 4 stories high from the ground
  • Water fed and/or by hand, using a squeegee
  • Frames and sills wiped clean
  • Before and after photos

100+ franchise locations 4.94★ across 1,600+ reviews

Call for a free quote — 1-844-467-4552

Request a Quote or

Join thousands of satisfied customers who have handed off their to-do lists to the pros. Get your instant estimate now and experience the Gorilla Property Services difference.

    Brands the Gorilla Property Services network has worked with across Canada and the U.S.

    Taking care of a property does not always agree with a busy schedule. Pulling time out of your day to suffer through basic chores is not always realistic – and its never fun! Because of this, exterior cleaning often falls to the wayside. Instead of letting your to-do list get out of hand, have a Gorilla lend a helping paw. Our Markham window cleaning services can tackle exterior cleaning services for both homes and businesses. 

    What Makes Windows So Important

    There is no question that clean glass looks great but it does more than just improve the view. When at their best, windows provide natural light, effect heating and create a comfortable, welcoming atmosphere. When they are at their worst, however, panes have a negative impact on both curb appeal and your bank account. In addition to increased utility bills, a messy exterior can also cost property owners by turning customers off of your business. No one want to walk passed a store window display, only to see streaks, stains or bird droppings.

    Many property owners work tirelessly to have their spaces looking their best. This type of dedication is great but it does not necessarily spell results. Traditional window washing does not involve more than basic window cleaners and paper towels or newspapers. These might deal with superficial stains but keeping windows in good condition is not this easy. Ordinary cleaners can be harsh while the friction of wiping can create static cling that draws dirt right back. Basic wiping of exterior windows can also just move dirt into corners and angles. This puts added pressure on sills and frames. Fight back against unnecessary wear and tear and avoid drafts with professional window cleaning services.

    What A Markham Window Cleaning Expert Can Do For You

    It is easy to walk passed window panes without giving them much thought. Even if you do make a habit of wiping down glass from the inside, exteriors are left out in the cold. The reason that exterior cleaning is so difficult can be summed up in two words: technique and heights. The higher your glass is, the more difficult exterior window cleaning becomes. Luckily, our Gorillas know how to handle glass properly at any level (up to four storeys, that is).

    Combining eco-friendly cleaning solutions with rubber tools, eliminates static cling and gets the best results possible. Water-fed poles are used to scrub not only glass but frames and sills as well. Along with results, our Gorillas bring expert customer service to the table. Aftercare, assessments and free estimates are always a part of Gorilla services.

    How It Works

    Three steps to a spotless property

    No phone tag. No mystery pricing. Just a quick quote, a confirmed crew, and a job that’s done right.

    1. Get your quote

      Tell us what your property needs through the hero form, the Book Online modal, or a quick phone call.

    2. We schedule

      A local Gorilla crew picks the next available slot — usually within days, faster in priority seasons.

    3. We show up

      Crew arrives in branded vehicles, full kit, on time. We clean up after ourselves and email you the receipt.

    Real customers, real reviews

    What Gorilla customers are saying

    4.9 / 5 with more than 1800 Google reviews

    Ready when you are

    Property maintenance, handled.

    Free, no-obligation quote. No surprises, no hidden fees.

    Common questions

    Window Cleaning — answered

    Can windows be cleaned in the rain?

    Light rain doesn’t affect technique, since windows still rinse and dry cleanly, and the light precipitation actually helps the post-rinse phase. Heavy rain is when work pauses, both for crew safety and because runoff can interfere with the final result.

    Do you clean conservatory glass?

    Yes, conservatory glass, including large multi-pane sections, cleans up with standard technique adapted to the height and angles involved. Clearing the buildup off these expansive panels preserves the bright, airy feel the room was designed for and keeps natural light flowing inside.

    Will the crew wear shoe covers indoors?

    Yes, interior work is done with shoe covers or shoes removed, whichever you prefer. Our crews respect your indoor environment and treat your floors as carefully as your glass, so carpets and hardwood stay clean while we move between rooms with ladders and equipment.

    Can you clean tinted windows?

    Yes, tinted windows clean with standard technique and gentle products. The one rule is avoiding harsh scrapers and abrasive pads, which can scratch or lift a tint layer applied to the interior surface. With a soft cloth or squeegee and the right solution, tinted glass cleans up cleanly.

    Do you clean solar panels?

    Yes, solar panel cleaning is a specialty service we often combine with a window visit since the crew is already on site. A soft, low-pressure approach protects the panel surface and electrical connections while clearing the dust and grime that cut output.

    What's the trick to streak-free windows?

    The most common cause of streaks is too much soap, not too little, so dilute lightly. Beyond that, it is technique: keep steady pressure on the squeegee, overlap each pass slightly, wipe the blade between strokes, and finish with microfiber rather than letting drips air-dry into spots.

    Can you clean windows on a deck or balcony?

    In Markham, deck and balcony windows are standard exterior work. We access them directly from the deck or balcony and clean the glass, frames, and tracks just like any other exterior window during the same visit.

    Can I see references from other customers?

    Yes. Commercial accounts can get specific references on request, since those clients often want to speak with a comparable property manager before signing. Residential customers can read reviews on our Google Business Profile, where feedback from past jobs is public.

    Should I worry about post-cleaning weather?

    Not much. Light rain or fog right after a cleaning will not undo the work, since clean glass sheds clean water without spotting. Severe weather is a different story: storms and hail can mark or damage glass no matter when it was last cleaned.

    canadian franchise association international franchise association

    Each Gorilla Office is Independently Owned and Operated

    Book Online