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Emergency Roofers in Markham, ON (2026)

Top 50 of 788 roofers, in emergency orderUpdated 0 paid placements in this rankingHow we rank

24 of the 50 roofers on this list post 24/7 hours. 24/7 businesses come first, then same-day, each ranked by CR Score with availability weighted higher.

Active leak after a storm: move valuables, catch water and stay off the roof. Report storm damage to your insurer.

The short answer

  1. 1

    #1 for emergency roofing in Markham: C Plus Roofing, open 24/7.

Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank

Top emergency roofers in Markham at a glance

Top emergency roofers in Markham at a glance
RankBusinessCR ScoreGoogle ratingBased inHours
1C Plus Roofing944.9★ (573)Markham24/7
2Wilson Roofing915.0★ (518)Oshawa, 31 km away24/7
3Top Art Roofing Ltd904.9★ (192)Markham24/7
4BNS Roofing894.9★ (135)North York, 13 km away24/7
5Luso Roofing & Contracting Inc. | North York | Roof Ice Dam Removal | Roof Snow Removal | Roof Leak Repair894.9★ (212)North York, 25 km away24/7
6Tiltop Roofers - Roof Repairs & Replacement894.8★ (224)Burlington, 21 km away24/7
7Unique Roofing Limited895.0★ (81)Richmond Hill, 11 km away24/7
8HH renovation & general contracting894.9★ (130)Ajax, 18 km away24/7
9Local Roofing Services895.0★ (68)Scarborough, 7 km away24/7
10Alpine Roofing894.5★ (574)Toronto, 24 km away24/7

Call an emergency roofer in Markham now

24/7 hours mean the business says its phone is answered around the clock. Arrival time depends on where the crew is. Ask for an arrival window when you call.

The 50 emergency roofers in Markham, ranked

24/7 first, then same-day service, then the rest. Each group is in CR Score order on emergency weights. The full ranking of all 788 is on the roofers page.

Scores below: based on 6 of 8 factors; credentials and recency not yet collected. Hatched segments mark factors we don't have yet.

  1. Ranked #1 in Markham

    #1 C Plus Roofing

    Based in Markham

    94/100CR Score

    Ranked #1 because of its Google rating and availability: 4.9★ from 573 Google reviews, open 24/7.

    • 4.9★ from 573 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    66 Norbury Dr, Markham, ON L3S 3V2
    View profile for C Plus Roofing(416) 917-9622

  2. #2 Wilson Roofing

    Based in Oshawa, 31 km away

    91/100CR Score

    Ranked #2 because of its Google rating and availability: 5.0★ from 518 Google reviews, open 24/7.

    • 5.0★ from 518 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    47 Fernhill Blvd, Oshawa, ON L1J 5J1
    View profile for Wilson Roofing(905) 723-5716

  4. #4 BNS Roofing

    Based in North York, 13 km away

    89/100CR Score

    Ranked #4 because of its Google rating and availability: 4.9★ from 135 Google reviews, open 24/7.

    • 4.9★ from 135 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    1202 York Mills Rd, North York, ON M3A 1Y1
    View profile for BNS Roofing(647) 767-1447

  5. #5 Luso Roofing & Contracting Inc. | North York | Roof Ice Dam Removal | Roof Snow Removal | Roof Leak Repair

    Based in North York, 25 km away

    89/100CR Score

    Ranked #5 because of its Google rating and availability: 4.9★ from 212 Google reviews, open 24/7.

    • 4.9★ from 212 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    41 Arrowsmith Ave, North York, ON M6M 2W9
    View profile for Luso Roofing & Contracting Inc. | North York | Roof Ice Dam Removal | Roof Snow Removal | Roof Leak Repair(647) 866-6213

  10. #10 Alpine Roofing

    Based in Toronto, 24 km away

    89/100CR Score

    Ranked #10 because of its Google rating and availability: 4.5★ from 574 Google reviews, open 24/7.

    • 4.5★ from 574 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    31 Carlaw Ave, Toronto, ON M4M 2R6
    View profile for Alpine Roofing(416) 469-1939

  13. #13 Roof.to

    Based in Markham

    88/100CR Score

    Ranked #13 because of its Google rating and availability: 4.9★ from 49 Google reviews, open 24/7.

    • 4.9★ from 49 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    5980 Elgin Mills Rd E, Markham, ON L3P 3J3
    View profile for Roof.to(647) 801-0837

  14. #14 Roofing Monkeys

    Based in Toronto, 26 km away

    88/100CR Score

    Ranked #14 because of its Google rating and availability: 4.9★ from 143 Google reviews, open 24/7.

    • 4.9★ from 143 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    1224 Dupont St, Toronto, ON M6H 2A4, Toronto, ON M6G 1M2
    View profile for Roofing Monkeys(647) 916-9562

  16. #16 Metro Roofing

    Based in Ajax, 20 km away

    88/100CR Score

    Ranked #16 because of its Google rating and availability: 4.9★ from 98 Google reviews, open 24/7.

    • 4.9★ from 98 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    785 Westney Rd S, Ajax, ON L1S 7G1
    View profile for Metro Roofing(416) 417-5656

  20. #20 YS Roofing

    Based in Markham

    88/100CR Score

    Ranked #20 because of its Google rating and availability: 4.8★ from 40 Google reviews, open 24/7.

    • 4.8★ from 40 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    70 Doubtfire Crescent, Markham, ON L3S 3V4
    View profile for YS Roofing(647) 667-1367

Top 50 of 788 roofers by emergency score

#1 to #25 are shown in full above. Here are #26 to #50, in CR Score order; each links to its profile.

roofers in Markham, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26Reliable Roofing Resolutions Inc.875.0★ (40)14 km
27EMR Renovation Services875.0★ (102)39 km
28Rain Safe Roofing875.0★ (124)43 km
29Ainger Group Roofing and Exteriors864.9★ (61)25 km
30Roofing Repairs Company864.9★ (38)15 km
31Genesis Roofing & Contracting864.5★ (78)20 km
32Luso Roofing & Contracting Inc | Toronto864.9★ (51)27 km
33Home Star Roofing LTD864.9★ (76)37 km
34SuperdryRoofingandMasonry864.4★ (21)In Markham
35D'Angelo and Sons | Eavestrough and Roofing Vaughan854.9★ (33)20 km
36Tar Star Roofing Inc.855.0★ (22)14 km
37HONEST ROOFING INC.854.6★ (37)15 km
38Longley roofing854.9★ (41)26 km
39Innovative Roofing Systems855.0★ (31)24 km
40Marco's Roofing854.8★ (58)32 km
41The Roof Medic855.0★ (156)63 km
42ROOF FOR LIFE INC.854.8★ (82)40 km
43Armour Shield Roofing GTA854.9★ (48)34 km
44Guideline Roofing & Construction854.7★ (49)28 km
45Masstop Roofing Inc.855.0★ (9)In Markham
46Top Roof Repair854.9★ (24)19 km
47Shingle Pro Roofing & Construction854.9★ (35)28 km
48XOA construction854.9★ (45)33 km
49Lake Shore Roofing & Siding854.7★ (28)19 km
50HomeVision Roofing & Siding855.0★ (243)37 km

How we ranked emergency roofers in Markham

Emergency lists move 10 points of the CR Score from reputation to availability: 25% and 20%. Availability credits 24/7 hours, same-day service, weekend hours and weekly open hours. 24/7 roofers are listed first, then same-day, then the rest; ranks follow that order. Paid placement never changes a rank.

Paid placement never changes a rank or score. Featured businesses are paid, labelled, limited to 3 and shown above the ranking, outside it.

Read the full method: formula, sources and exclusions

CR Score factors and weights
FactorWeightComputed from
Reputation25%Bayesian-adjusted Google star rating
Credentials15%Active state license 0.6, bond 0.2, workers’ comp 0.2
Review volume10%log10(reviews + 1) against the list maximum
Recency10%Share of reviews from the last 12 months
Availability20%Weekly open hours, Saturday, Sunday, 24/7 or same-day
Trade focus10%Google main category 1.0, business name 0.7, additional category 0.5
Proximity5%1.0 when based in the city, falling to 0 at the trade’s radius
Completeness5%Website, photos, description, hours, claimed profile (0.2 each)

Emergency roofers in Markham: questions

Which roofers in Markham are open 24/7?

24 on this list post 24/7 hours, including C Plus Roofing, Wilson Roofing, Top Art Roofing Ltd, BNS Roofing and Luso Roofing & Contracting Inc. | North York | Roof Ice Dam Removal | Roof Snow Removal | Roof Leak Repair.

Who is ranked #1 for emergency roofing in Markham, ON?

C Plus Roofing is #1, with a CR Score of 94 out of 100 on emergency weights.

How are emergency roofers in Markham ranked?

Emergency lists move 10 points of the CR Score from reputation to availability: 25% and 20%. Availability credits 24/7 hours, same-day service, weekend hours and weekly open hours. 24/7 roofers are listed first, then same-day, then the rest; ranks follow that order. Paid placement never changes a rank.

What should I do before the roofer arrives?

Active leak after a storm: move valuables, catch water and stay off the roof. Report storm damage to your insurer.

How many emergency roofers here list a phone number?

25 of the 25 businesses ranked in full list a phone number. Tap Call to dial it.

Update log for Markham

  1. October 2026: CR Scores recalculated for 788 roofers serving Markham.

More emergency and roofing pages