Low end
$8,000
Typical range
$8,000 - $30,000
High end
$30,000+
What Drives Helical Pier Cost
Pier Depth
Pier depth is the primary cost variable. Piers are driven until they reach stable bearing capacity - verified by torque measurement as helical piers are installed (torque correlates to bearing capacity). In areas with shallow bedrock or dense soil, piers may reach bearing at 15-20 feet. In areas with deep unstable soils (like the Gulf Coast), piers may need to go 40-60 feet. Every additional section of pier shaft adds material and labor cost.
Soil Conditions
Difficult soils - rock that stops piers prematurely, extremely loose fill that requires unusual depth, or expansive clay that complicates installation - add cost. Contractors familiar with local soil conditions can often give a better estimate of expected depth before starting.
Number of Piers
The single biggest variable in total project cost is how many piers are needed. This depends on:
- How much of the foundation has moved
- The load on the structure at each pier location
- Whether interior piers (in addition to perimeter piers) are needed
- The contractor’s pier spacing recommendation (typically every 5-8 linear feet of affected wall)
Interior vs. Perimeter Installation
Perimeter piers require excavation but no slab cutting. Interior piers require core drilling through the slab, which adds cost for the drilling and for patching the slab afterward. Interior pier installation typically costs $200-$500 more per pier than perimeter installation.
Local Labor Market
Foundation repair pricing varies significantly by region. Texas and Oklahoma - major foundation repair markets - tend to have more competitive pricing due to market density. The Northeast and Pacific Coast typically have higher labor costs.
Helical Piers vs. Push Piers: Cost Comparison
| Factor | Helical Piers | Push Piers |
|---|---|---|
| Per-pier cost | $1,500-$3,500 | $1,200-$3,000 |
| Installation method | Screwed in with torque head | Hydraulically driven |
| Structural load required | No - can be used on porches, additions | Yes - requires weight of structure |
| Interior application | Yes - flexible for tight spaces | Limited |
| Typical depth | 15-50 feet | 15-40 feet |
| Installation speed | Moderate | Typically faster on perimeter |
| Warranty | Usually 25 years to lifetime | Usually 25 years to lifetime |
Helical piers are somewhat more expensive per pier but offer greater installation flexibility. For most residential perimeter applications on a full-weight structure, both methods are competitive.
Typical Project Cost Scenarios
| Project Type | Piers Needed | Estimated Cost |
|---|---|---|
| One corner settling (front or back) | 4-6 piers | $7,000-$18,000 |
| One full side settling | 6-10 piers | $10,000-$30,000 |
| Full perimeter stabilization | 12-20 piers | $18,000-$55,000 |
| Interior settlement (pier and beam) | 4-8 interior piers | $8,000-$20,000 |
| Deck or porch sinking | 2-4 piers | $4,000-$10,000 |
These are estimates based on typical project patterns. Actual bids may differ significantly based on your home’s specific conditions.
What’s Included in a Helical Pier Quote
A complete helical pier quote should include:
- Per-pier price with the number of piers specified
- Pier shaft and extension materials
- Hydraulic installation equipment and labor
- Excavation of access pits and backfilling
- Bracket hardware and attachment to the footing
- Lifting and leveling after piers are set
- Concrete patching (for interior installations)
- Warranty terms (length, transferability, what it covers)
Ask specifically whether the quote includes slab patching for interior piers, landscaping restoration for excavated areas, and permit fees - these are sometimes billed separately.
When to Get an Inspection Before a Helical Pier Quote
If you’re getting helical pier quotes, a pre-quote foundation inspection from an independent source can be valuable:
- An independent structural engineer ($300-$700) can tell you how many piers are likely needed based on measured settlement, giving you a check on contractor recommendations
- A foundation inspection (sometimes free from contractors) maps the movement and identifies whether settling is active or stabilized
A significant difference in pier count between bids is a signal to ask both contractors to explain their reasoning before choosing based on price alone.