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Ontario Window CleaningService AreasMarkham

Window Cleaning
Markham

Unionville · Angus Glen · Cornell · Cathedraltown

From historic Unionville with its heritage main street to Angus Glen's executive golf course properties, Cornell's newer builds, and Cathedraltown's growing development — Markham is one of Canada's most diverse housing markets. We service all of it.

Fully Insured
4.9★ Google
Same-Week Available
Streak-Free Guarantee
Free Quote — Markham
Same-day response. No obligation, ever.
✓ No obligation  ·  ✓ Same-day response
4.9
Google Rating
76+
Markham Reviews
$2M
Liability Coverage
12+
Years in Business
100%
Satisfaction Guaranteed
Our Services in Markham

Built for Markham's homes.

Unionville's historic district presents something genuinely different — period homes, heritage storefronts, and original architecture that requires care and experience. We've worked on properties along Unionville's main street for years. Angus Glen is the other end of the spectrum — executive homes on golf course lots with substantial window packages. Across Cornell and Cathedraltown, large window packages and extensive interlocking are the norm. We're equipped for all of it.

Ontario Window Cleaning crew cleaning windows at a Markham home — streak-free, purified-water system.
Ontario Window Cleaning crew cleaning windows at a Markham home — streak-free, purified-water system.
Window Cleaning
Interior, exterior, screens and tracks. Historic Unionville properties handled carefully, Angus Glen executive homes, Cornell and Cathedraltown new builds. Purified water system — streak-free, no residue.
Gutter Cleaning
Full debris removal, every downspout flushed, inspection. Markham's mature areas — Unionville and Markham Village — have heavy canopy that demands twice-yearly service. Newer developments still need annual cleaning.
Power Washing
Interlocking stone, driveways, decks, patios, fences, siding. Angus Glen and Rouge Valley-adjacent properties benefit from surface-matched washing. Interlocking in Cornell and Cathedraltown is our most-requested power washing service in Markham.
Why Choose Us in Markham

What sets us apart here.

Experience with Markham's full housing spectrum

Heritage Unionville to Cathedraltown new construction — we know the range.

76+ Markham reviews

4.9 stars across York Region. A real track record.

No travel surcharges

York Region is our home market. The quote is the invoice.

Certificate before arrival

$2M liability + WSIB. In your inbox before we arrive.

When to Book in Markham
Spring
Windows and gutter flush. Markham's mature areas need both. Book April–May.
Summer
Interlocking season. Angus Glen and Cathedraltown driveways and patios.
Fall
Gutter priority. Unionville and Markham Village canopy drops heavy. Book October.
Winter
Interior cleaning year-round. Exterior above zero only.
Where We Work

Every Markham neighbourhood. Same standard.

We service residential and commercial properties across all of Markham. If your neighbourhood isn't listed, call us.

Unionville
Angus Glen
Cornell
Cathedraltown
Markham Village
Berczy Village
Milliken
Cedarwood
Wismer
Greensborough
What Markham Customers Say

Don't take our word for it.

Across 340+ verified Google reviews, including dozens from Markham homeowners, customers rate us 4.9 out of 5 stars. Here are a few recent Markham jobs in their own words.

★★★★★

"Large executive build. Quoted same day, showed up exactly when promised, every window flawless."

★★★★★

"Older home with mature trees. Gutters packed every fall. They cleared everything and flagged a sagging section before damage."

★★★★★

"Interlocking looks like the day it was installed. Very careful around every joint."

★★★★★

"Windows and gutters. Firm bundle price, on time, efficient."

Common Questions

Window Cleaning in Markham — FAQ

How much does window cleaning cost in Markham?
Most homes range from $149 to $449+. Firm quote before scheduling.
Do you service historic Unionville properties?
Yes — carefully. Period homes and heritage storefronts require appropriate care and technique.
Do you clean gutters near Rouge Valley?
Yes. Rouge Valley-adjacent properties accumulate heavy debris from the valley canopy. Twice-yearly recommended.
Are you insured in Markham?
$2M commercial liability and WSIB. Certificate before arrival.
How quickly can you book?
Usually within the same week.
Local Insights

Markham window cleaning: new-build executive homes and dense commercial districts

Markham is heavy on newer executive builds in Cornell, Angus Glen, and Berczy Village — these are 3,500–6,500 sqft homes with oversized feature windows, multi-storey foyers, and often interior pools or conservatories. Exterior work is typically water-fed pole and boom lift; interior requires careful floor and furniture protection.

Unionville's heritage main street gets a separate service track — we handle the storefronts and the heritage homes around Toogood Pond with the heritage-glass technique (no pressure, purified water, gentle microfibre).

Markham commercial book is deep: we service a number of IBM / Motorola / tech-corridor office buildings on monthly schedules, plus the Langham Square and First Markham Place retail complexes bi-weekly.

  • Cornell & Angus Glen executive: $389–$849 package
  • Unionville heritage: $199–$399 with heritage technique
  • Markham tech-corridor commercial: monthly / bi-weekly standard

Ready to book in Markham?

Same-week scheduling. Free quote. No obligation.