Markham · Updated June 2026
Markham Roofers — Metal, Flat & Replacement Specialists
Premium materials, owner-supervised installs, written warranties across Markham.
Buildoreno installs and replaces metal and flat roofs across Markham — Unionville, Cornell, Berczy Village, Cathedraltown, Markville, Milliken, Thornhill, and Box Grove. 25+ years of GTA roofing, owner-operator Patrick on every project, licensed Ontario contractor, $5M liability insurance, WSIB-covered. Standing-seam metal, metal shingles, TPO, EPDM, asphalt shingle, leak repair, and full replacements. Written 5–10 year warranty, $0 down. Free written estimate within 2 hours. Call (647) 254-0877.
What we do in Markham
Markham roofing services
Metal roof installation
Standing seam, metal shingles, and corrugated. 40–50 year lifespan. The premium choice for executive Cornell and Cathedraltown homes seeking long-term differentiation.
Typical: $16,000 – $42,000+
Learn moreFlat roof installation & replacement
TPO, EPDM, modified bitumen. Markham applications: contemporary infill builds, attached garage roofs, rear additions, architectural flat sections on modern designs.
Typical: $9,000 – $24,000
Learn moreLeak repair & emergency response
24-hour response across Markham during business days. Honest diagnostic — we tell you the cheapest correct fix, in writing, before any work begins.
Typical: $400 – $4,500
Learn moreFull roof replacement
Tear-off + re-roof in one window. York Region permit handling, deck assessment, ice-and-water shield, and underlayment upgrade included. Most Markham replacements complete in 3–5 working days.
Typical: $14,000 – $38,000+
Learn moreLocal context
Roofing in Markham: what matters locally
Markham combines historic Unionville character homes with newer executive subdivisions in Cornell, Berczy Village, and Cathedraltown. Homeowners here typically invest in long-term materials — Markham is one of our highest standing-seam metal markets. York Region permits are predictable when contractors file them properly; we handle every Markham permit application in-house.
Neighbourhoods we cover
Housing types we work on
- Historic Unionville character homes
- Executive two-storey detached in Cornell and Berczy Village
- Newer luxury homes in Cathedraltown
- Established detached in Markville and Milliken
- Townhomes and semi-detached throughout newer subdivisions
Real Markham project examples
What real Markham roofing projects cost
Anonymised representative project examples from past Markham work. Your home will be priced based on a free on-site assessment — no two roofs are identical.
| Home type | Scope | Typical price |
|---|---|---|
| Cornell executive 2-storey (2,200 sq ft roof, multi-plane) | Standing-seam metal replacement, snow guards, ice-and-water shield | $34,000 – $44,000 |
| Unionville character home (1,500 sq ft roof, heritage palette) | Architectural metal shingle, custom chimney flashing, heritage-appropriate colour | $22,000 – $28,000 |
| Berczy Village detached (1,800 sq ft roof) | Architectural asphalt replacement, ridge venting upgrade | $15,000 – $20,000 |
Why Buildoreno in Markham
What you get with us
25+ years of GTA roofing experience, with significant Markham-area history
Owner-supervised crews — Patrick walks every Markham job personally
York Region permit applications filed in-house
Standing-seam metal experience for Cornell and Cathedraltown executive homes
Heritage-area experience for Unionville character properties
Architectural shingle and metal-shingle installations for varied Markham housing styles
Markham-specific trust signals
- York Region permit applications filed in-house
- References from Cornell, Unionville, and Cathedraltown projects
- Heritage-district experience for Unionville character properties
Markham roofing FAQ
Common Markham roofing questions
Markham roof replacements typically run $14,000–$38,000+. Architectural asphalt: $14k–$20k. Metal shingles: $20k–$30k. Standing-seam metal: $26k–$42k+. Cornell and Cathedraltown executive homes with multi-plane roofs can exceed $50k. Every Buildoreno Markham quote is itemized in writing.
Roofers in other GTA cities
Looking for roofers in another city?
Get your free Markham roof estimate
Response within 2 business hours. On-site assessment within 48 hours. Written itemized estimate within 48 hours of assessment. $0 down, milestone-based payments, written warranty. Call (647) 254-0877.

