OnGrade Inc

5.0(10 reviews on Google)

Septic System Service listing in Harriston, ON

About OnGrade Inc

OnGrade Inc. in Harriston pairs septic work with excavation for site preparation, grading and foundations, and takes jobs for homeowners, businesses and contractors that other firms may pass over as too small. On the septic side it designs and installs systems, from conventional to advanced treatment units, and handles the full process from excavation to final grading. It also fixes drain field problems, clogs and backups, replaces pumps, and offers preventative maintenance plans. Septic inspections cover buying or selling a property, upgrades and building permits. Its motto is On Time. On Budget. OnGrade. Installation runs as a three step process, and the team explains options to each customer. It is listed in the Ontario Onsite Wastewater Association member directory. Rated 5 from 10 Google reviews, all five stars.

What reviewers mention: septic tank installation (2), workmanship (2), cleanliness (2), punctuality (2)

Services and details

  • Works on septic systems

    Yes

  • New system installation

    Yes

  • Leaching bed repair or replacement

    Yes

  • Septic inspections

    Yes

  • System design and permits

    Yes

  • Advanced or tertiary treatment

    Yes

  • Maintenance programs

    Yes

  • In the OOWA member directory

    Yes

  • Commercial and farm work

    Yes

No information yet on septic tank pumping, emergency service, states a licence or BCIN, cottage and seasonal properties, portable toilet rentals. The website did not say; call and ask.

Contact

Hours

Monday
7AM-5PM
Tuesday
7AM-5PM
Wednesday
7AM-5PM
Thursday
7AM-5PM
Friday
7AM-5PM
Saturday
Closed
Sunday
Closed

Listing compiled from public sources on 2026-10-09. Report a correction or request removal. Back to septic companies in Harriston.