Construction Joncas & Frères inc.
Custom Home Builders
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Blanc-Sablon, QC
About Construction Joncas & Frères inc.
Terrassements Joncas et Frères inc. is a family-owned excavation and construction company based in Montmagny, Quebec, with over 35 years of experience specializing in septic system installation, drainage, retaining walls, and aggregate materials. The company offers comprehensive excavation services for residential, commercial, industrial, and agricultural projects, backed by professional expertise and modern equipment. Known for competitive pricing, quality workmanship, and customer satisfaction, they are authorized installers of multiple septic system technologies and APCHQ members.
RBQ: ActiveVerify
Services
- Excavation
- Septic Tank Installation
- Drainage
- Retaining Walls
- Forest Road Construction
- Aggregate Sale and Transport
- Water Main Installation
- Sewer Installation
- Wastewater Treatment
- Foundation Excavation and Backfill
Specializations
Residential Excavation
Commercial Excavation
Industrial Excavation
Agricultural Excavation
Septic System Installation
Environmental Management
Certifications
- APCHQ Member
- RBQ Licensed
- Système O Authorized Installer
- Hydro-Kinetic Authorized Installer
- Bionest Authorized Installer
Portfolio
Photos










Contact Information
(418) 461-2405Visit Website[email protected]
1161 Camille Marcoux Blanc-Sablon Qc Canada G0g 1w0
Blanc-Sablon, QC G5V 3R9
Blanc-Sablon, QC G5V 3R9
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Claim This BusinessHours
- Mon-Thu
- 07:00 - 17:00
- Fri
- 07:00 - 16:00