York Region
Window Cleaning in Markham
Diamond Shine provides 5-star rated window cleaning, eavestrough cleaning and pressure washing across Markham. Fully insured, locally trusted since 2006.
5.0 · 116+ Google reviews$5M Insured
Services we offer in Markham
Areas we serve in Markham
From Unionville to Cathedraltown, our team covers every neighbourhood in Markham.
UnionvilleMillikenBoxgroveCornellCathedraltown
Why Markham homeowners choose Diamond Shine
- 5.0 ★ rating — 116+ verified Google reviews
- $5M bonded, insured, and WSIB compliant
- Serving the GTA since 2006
- Eco-friendly, child & pet safe solutions
- Transparent flat-rate pricing, no hidden fees
- Same-week and emergency appointments
Get a free quote for Markham
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