Geotechnical Survey

Learn about geotechnical surveys in Canadian real estate — what they evaluate, why they’re required, and how they reduce construction risks.

Geotechnical Survey

July 27, 2025


What is a Geotechnical Survey?

A geotechnical survey is a field investigation and analysis of soil, rock, groundwater, and other subsurface conditions on a site to assess its suitability for construction.

Why Geotechnical Surveys Matter in Real Estate

In Canadian real estate development and construction, geotechnical surveys identify potential risks and inform the design of foundations, retaining walls, and drainage systems.



Key elements:
  • Soil bearing capacity and composition
  • Groundwater table levels
  • Slope stability and erosion risks
  • Presence of contaminants or problematic soils



A geotechnical survey is often required before issuing building permits for new construction or significant redevelopments.

Example of a Geotechnical Survey in Action

The developer commissioned a geotechnical survey to ensure the soil could support the planned high-rise building.

Key Takeaways

  • Evaluates subsurface conditions before construction
  • Informs foundation and drainage design
  • Helps identify environmental or soil risks
  • Required for many building projects
  • Reduces structural and safety issues

Related Terms

  • Building Permit
  • Drainage System
  • Foundation
  • Site Plan
  • Environmental Site Assessment

Additional Terms

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Mortgagee in Possession

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Lease Surrender Agreement

A lease surrender agreement is a negotiated contract between a landlord and tenant that ends a lease before its scheduled expiration. Terms may. more

Green Infrastructure

Green infrastructure refers to natural or engineered systems that manage stormwater, reduce heat, and improve sustainability in developments.. more

Escrow Holdback

An escrow holdback is a portion of funds withheld at closing and held in escrow until specific conditions are met, such as completion of repairs,. more

Underused Housing Tax

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