MJM ContractingRoofer in Thunder Bay, ON
MJM Contracting is a roofer in Thunder Bay, ON, ranked #10 of 13 roofers in Thunder Bay and rated 5.0 from 9 Google reviews. Open Monday to Friday.
Thunder Bay, ONUpdated 0 paid placements in any rankingHow we rank
Key facts
| Phone | (807) 252-5458 |
|---|---|
| Hours | Monday to Friday: 8 AM – 6 PM |
| Google rating | 5.0 from 9 Google reviews |
Service area
Based in Thunder Bay, ONView on map
Opening hours
| Day | Hours |
|---|---|
| Monday | 8 AM – 6 PM |
| Tuesday | 8 AM – 6 PM |
| Wednesday | 8 AM – 6 PM |
| Thursday | 8 AM – 6 PM |
| Friday | 8 AM – 6 PM |
| Saturday | Closed |
| Sunday | Closed |
- Open evenings — no
- Open Saturdays — no
- Open Sundays — no
Typical roofing prices
| Job | Low | Typical | High |
|---|---|---|---|
| Roof replacementPer project: asphalt shingles on a 1,700 sq ft home (about 2,000 sq ft of roof). US national range converted at 1.4054 CAD per USD (Bank of Canada, October 20, 2026) | CA$10,540 | CA$14,050 | CA$19,680 |
| Roof repairPer repair: typical range of customer-reported jobs. US national range converted at 1.4054 CAD per USD (Bank of Canada, October 20, 2026) | CA$560 | CA$1,650 | CA$2,770 |
Market ranges for the trade, checked October 2026, not a quote from this business. Ask for a written estimate.
Questions about MJM Contracting
How is MJM Contracting ranked in Thunder Bay?
MJM Contracting is ranked #10 of 13 roofers in Thunder Bay by CR Score, with 77 out of 100 as of October 2026. The score weighs reputation, credentials, review volume, recency, availability, trade focus, proximity and profile completeness. No business can pay to change its rank.
What are MJM Contracting’s hours?
MJM Contracting is open Monday to Friday. Its listed hours are Monday to Friday, 8 AM – 6 PM. It is closed on Saturdays and closed on Sundays. Hours come from the business listing; holiday hours may differ.
What do Google reviews say about MJM Contracting?
MJM Contracting has a rating of 5.0 from 9 Google reviews. The CR Score adjusts the star rating for review count, so a high rating from a few reviews counts for less than the same rating from many.
Own MJM Contracting? Claim this profile.
Claiming is free. Correct your hours, trades and service area. The CR Score is recalculated from corrected data; payment never changes it.