For a standard home foundation stabilization project, the number of helical piers required typically depends on the specific project type and the section of the foundation being supported.
General estimates for residential projects in the Centennial and Denver areas include:
- Small Basements (under 1,000 sq ft): Usually require 4 to 6 piers to provide corner and mid-span support.
- Full Foundations (1,500–2,000 sq ft): Typically require 6 to 10 piers, depending largely on the soil’s bearing capacity.
- Additions or Sunrooms: Generally require 2 to 4 piers, as support is often focused on the perimeter.
- Retaining Walls or Decks: Often require 1 to 3 piers per load point.
- Foundation Sections: Most individual foundation sections require between 2 and 6 piers to achieve proper support.
As a preliminary budgeting guide, you can estimate roughly one pier per 250 square feet for moderate clay soil. However, the exact number is determined by a structural engineer based on the building’s total load (weight), local building codes, and soil conditions—specifically whether the site consists of stable sandy soil or expansive clay, which often requires more piers.
Related FAQs
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What Factors besides Material Costs Influence the Price per Helical Pier?
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Are There Additional Fees for Permits and Engineering Included in the Cost per Helical Pier?
Read More »: Are There Additional Fees for Permits and Engineering Included in the Cost per Helical Pier?In most cases, permits and engineering fees are not bundled into the base material and labor cost per pier. Instead, they are treated as separate line items. According to ACN Construction, it is important to understand how these costs are…
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How does the Expense of Installing Helical Piers Compare to Other Foundation Repair Methods?
Read More »: How does the Expense of Installing Helical Piers Compare to Other Foundation Repair Methods?When evaluating foundation repair, helical piers typically have a higher upfront cost per unit compared to other methods, but they offer specific performance and installation advantages. The cost for helical piers generally ranges from $2,000 to $5,000 per pier. Here…
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How does the Required Installation Depth Affect the Total Cost per Helical Pier?
Read More »: How does the Required Installation Depth Affect the Total Cost per Helical Pier?The required installation depth is a primary factor in determining the total cost of a helical pier because the price is directly tied to the amount of material and labor used. According to ACN Construction, depth affects the cost in…
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Why do Contractors Often Charge per Helical Pier Location Rather than per Individual Pier?
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