What Is Foundation Pier Installation?
Pier systems are the most common repair for foundation settlement — driven to stable soil below the active movement zone to stabilize and potentially lift a settling foundation.
Types of Piers
Steel push piers: hydraulically pushed to load-bearing soil or bedrock — can lift the foundation. Helical piers: screwed into the ground — faster, tighter spaces, lighter loads. Concrete pilings: poured-in-place or precast, common in Gulf Coast. Drilled caissons: wider diameter, bear on bedrock or stiff clay, common in Southwest.
How Installation Works
Excavation at each pier location. Piers advanced to target depth. Steel brackets placed under foundation beam. Hydraulic jacks simultaneously lift the foundation — 50–80% settlement recovery typical. Jacks lowered to transfer load to piers, excavations backfilled. Most jobs complete in 1–3 days.
How Many Piers
Pier count depends on load and pier capacity. Most residential repairs require 8–20 piers at 6–8 foot spacing. Structural engineers or experienced contractors calculate required count for your specific structure.
Warranties
Reputable companies offer transferable lifetime warranties. Read carefully: what's covered, what voids it, and whether it's genuinely transferable to future buyers — this matters at home sale.
What to Look for in a Foundation Repair Provider
- State general contractor or structural specialty license
- Foundation-specific experience — not a general contractor moonlighting in foundation work
- Structural engineer involvement or referral for complex cases
- Transferable lifetime warranty on pier systems (standard in the industry)
- Multiple approaches quoted — not a company that only sells one solution
- References from jobs completed in your city in the last 2 years
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How much does pier installation cost?
Steel push piers: $1,000–$2,000 per pier. Helical piers: $1,200–$2,500 per pier. A 10-pier job: $12,000–$20,000. Full perimeter for a large home with significant settlement can exceed $30,000.