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J. Therrien ConstructionRoofer in Sarnia, ON

J. Therrien Construction is a roofer in Sarnia, ON, ranked #27 of 131 roofers in Sarnia and rated 3.8 from 16 Google reviews. Open 7 days a week.

Sarnia, ONUpdated 0 paid placements in any rankingHow we rank

Call (519) 328-2142Website ↗

Key facts

Key facts about J. Therrien Construction
Phone(519) 328-2142
Websitejtherrienconstruction.ca
HoursMonday to Sunday: 5 AM – 8 PM
Google rating3.8 from 16 Google reviews

Trades

Each trade shows the evidence we matched it on.

  • Roofingmain tradeGoogle main category

Service area

Serves Sarnia and 7 towns within 64 km: Petrolia, Camlachie, Lambton Shores, Corunna, South Huron, London and Chatham.

Based in Sarnia, ONView on map

Opening hours

Opening hours for J. Therrien Construction
DayHours
Monday5 AM – 8 PMevening
Tuesday5 AM – 8 PMevening
Wednesday5 AM – 8 PMevening
Thursday5 AM – 8 PMevening
Friday5 AM – 8 PMevening
Saturday5 AM – 8 PMevening
Sunday5 AM – 8 PMevening
  • Open evenings (after 6 PM)
  • Open Saturdays
  • Open Sundays

Typical roofing prices

Typical roofing prices
JobLowTypicalHigh
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$10,540CA$14,050CA$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$560CA$1,650CA$2,770

Market ranges for the trade, checked October 2026, not a quote from this business. Ask for a written estimate.

Compare nearby roofers

J. Therrien Construction compared with nearby businesses
BusinessRankCR ScoreGoogle ratingLicense verifiedSaturdaySundayDistance away
J. Therrien Construction (this business)—573.8 (16)—YesYes
Greenstone Roofing and Renovations#25575.0 (7)—YesYes32.9 km
Frazer Building Company#26574.5 (98)—NoNo45.3 km

See all 131 ranked roofers in Sarnia

Reviews

ContractorsRanked reviews

No ContractorsRanked reviews yet

Google

3.8from 16 Google reviews

Hired J. Therrien Construction? Write a review

Questions about J. Therrien Construction

How is J. Therrien Construction ranked in Sarnia?

J. Therrien Construction is ranked #27 of 131 roofers in Sarnia by CR Score, with 57 out of 100 as of October 2026. The score weighs reputation, credentials, review volume, recency, availability, trade focus, proximity, claimed profile, partnered and ContractorsRanked reviews. No business can pay to change its rank.

What are J. Therrien Construction’s hours?

J. Therrien Construction is open 7 days a week. Its listed hours are Monday to Sunday, 5 AM – 8 PM. On Saturdays it is open 5 AM to 8 PM, and on Sundays 5 AM to 8 PM. Hours come from the business listing; holiday hours may differ.

What areas does J. Therrien Construction serve?

Serves Sarnia and 7 towns within 64 km: Petrolia, Camlachie, Lambton Shores, Corunna, South Huron, London and Chatham. The list is based on the business's location and the usual service radius for roofing. Confirm your address is covered when you call.

What do Google reviews say about J. Therrien Construction?

J. Therrien Construction has a rating of 3.8 from 16 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.

How do I contact J. Therrien Construction?

Call J. Therrien Construction on (519) 328-2142. Its website is linked in the key facts on this page. Ask for a written estimate before any work starts.

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Claiming is free. Correct your hours, trades and service area. The CR Score is recalculated from corrected data; payment never changes it.

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