Call Now
Website
Call
Business Details
25 Years
experience
Expert Septic & Excavation Services in Ontario
Onsite Septic Solutions, a division of Hastings Construction, has built a legacy of excellence in septic systems and excavation services since 1935. As a third-generation family-owned business, we combine decades of industry expertise with a commitment to innovation and customer satisfaction. Our team specializes in septic system installation, repair, and advanced environmentally friendly solutions, alongside comprehensive excavation services for residential and commercial projects. We pride ourselves on delivering accurate estimates, high-quality components, and expert installation while maintaining a focus on safety and adherence to municipal guidelines.

With a fleet of modern equipment and access to premium materials like screened topsoil, we provide end-to-end solutions from site preparation to final grading. Our dedication to exceeding expectations is reflected in our attention to detail, including thorough site clean-up and personalized service tailored to each client's unique needs. Operating across Tiny Township, Midland, Penetanguishene, and surrounding areas of Simcoe County, we remain a trusted partner for all septic and excavation requirements.
Services
Septic System Installation Excavation Services Screened Topsoil Delivery Lot Clearing Final Grading Stump Disposal Culvert Installation Demolition Services Septic Permit Applications Hydro Trenching
Details
  • Year established: 2001
Highlights and features
  • We offer third-generation expertise in septic and excavation services since 1935
  • Our team provides expert installation of advanced, eco-friendly septic systems
  • We maintain a consistent safety record with insured, trained staff
  • We deliver end-to-end solutions from site prep to final grading
  • Our commitment to detail includes thorough site clean-up post-project
Services
Septic System Installation
We install conventional and advanced treatment septic systems tailored to property requirements. Our registered technicians ensure compliance with environmental regulations while providing durable solutions for residential and commercial properties. The service includes system design, component selection, and expert installation with ongoing repair capabilities.
Excavation Services
Our excavation services handle foundation digging for homes, garages, and commercial buildings. Using modern equipment, we ensure precise grading and proper drainage solutions while collaborating with engineers to meet exact project specifications and local regulations.
Screened Topsoil Delivery
We provide high-quality screened topsoil blended from organic compost and clay content. This material suits lawn development, garden projects, and final grading applications with multiple delivery options available from 1 to 21 tonnes.
Lot Clearing Services
Our team handles complete lot preparation including tree removal, stump grinding, and organic debris disposal. We work with licensed facilities to manage cleared materials while preparing sites for construction according to approved grading plans.
Final Grading
We complete final lot grading to direct water flow away from structures using precision equipment. This includes driveway preparation, swale creation, and landscaping contours that meet municipal requirements for property drainage and usability.
Questions
Are you adequately insured and are your workers trained?
Our equipment and operators are fully insured with appropriate licenses. All employees undergo ongoing safety training and we maintain excellent WSIB compliance.
Do you provide screened topsoil?
Yes, we offer screened topsoil blended from organic compost, peat soil, and clay content without any manure content.
Can you assess property suitability for building?
We conduct lot suitability assessments following municipal guidelines to determine if properties meet building requirements.
Do you handle septic inspections for real estate transactions?
We don't perform full septic inspections for real estate transactions but can connect you with qualified professionals for comprehensive evaluations.
What excavation services do you offer?
We excavate for custom homes, garages, and commercial buildings, working with surveyors to ensure precise adherence to project specifications.
Do you provide final grading services?
Yes, we complete final grading according to lot plans including driveways, swales, and retaining walls to prepare properties for next project stages.