Greenville

Helical piles in Greenville, South Carolina

Inland South Carolina is a different setting from the Lowcountry. The state guide says the Midlands and Upstate see more settlement on clay soils, where helical piers are used for underpinning and additions, with brackets on existing footings and piers turned to target torque so load moves to firmer ground.

Frost is rarely a factor. The South Carolina Residential Code still requires exterior footings at least 12 inches below undisturbed ground, and upstate jurisdictions may list a small frost depth. In practice, bearing soil and groundwater drive helical pile depth here.

Helical pile companies serving Greenville

Two companies in our directory are based in Greenville.

• Wurster Engineering & Construction: a design-build geotechnical contractor installing micropiles, helical piers, soil nail walls and earth retention across the Southeast.
• CNT Foundations: repairs foundations and crawl spaces and waterproofs basements across the Carolinas and Georgia; ask which foundation systems it installs before booking.

Costs and what to ask

National figures from HomeGuide show installed helical piers at about $2,000 to $4,000 each, around $3,000 on average. Upstate deck and porch work often costs less than deep coastal installations. For the price drivers in more detail, see our helical pier cost guide.

Questions to ask any company quoting work in Greenville:

• Engineering: Is an engineer specifying capacity and depth for this clay profile?
• Torque logs: How is torque recorded, and will the log stay with my permit file?
• Galvanizing and shaft size: What pier and coating details are in the written estimate?
• Permits and warranty: Which Greenville or county office issues the permit, and what does the warranty cover?

To compare firms beyond Greenville, browse South Carolina helical pile installers.