# Push Piers vs Helical Piers: How to Choose

> Compare push piers and helical piers by cost, installation, soil conditions, and load capacity to pick the right foundation repair method.

Canonical: https://foundationrepairlab.com/push-piers-vs-helical-piers/

Last updated: 2026-11-09

Push piers and helical piers both stabilize settling foundations, but they install differently and suit different site conditions. Push piers are driven into the ground using the building’s weight as reaction force until they reach load-bearing soil. Helical piers are screwed into the earth with hydraulic torque motors and do not depend on the structure’s mass for installation.

## How Push Piers Work

A push pier system uses steel pipe sections connected with couplings. A hydraulic ram pushes each section through a bracket attached to the foundation footing. The crew continues adding sections until the piers reach refusal—soil or bedrock dense enough to stop further downward movement. Once all piers are in place, the structure can be lifted back toward level and the brackets locked.

Because the rig pushes against the house, push piers generally need enough structural weight to generate reaction force. A light porch or small crawl-space addition may not weigh enough to drive piers to bearing depth. For heavier homes, push piers can transfer loads to deep, stable strata that shallow fixes cannot reach.

Typical cost per push pier is $1,000–$3,000. A job using eight piers at $1,500 each runs about $12,000 before permits, engineering, or excavation. Full pier jobs commonly fall between $6,000 and $30,000 depending on pier count, depth, and access.

## How Helical Piers Work

Helical piers look like large steel screws. One or more helix plates are welded to a central shaft. A crew rotates the shaft into the soil with a handheld or excavator-mounted torque motor until the installer reaches the required torque rating, which correlates to bearing capacity. Brackets then connect the pier to the foundation.

Because helical piers are advanced by torque rather than driven by the building’s weight, they can be installed on lighter structures and in areas where large reaction rigs will not fit. Interior crawl spaces, tight side yards, and remodeling sites often favor helical piers because the equipment is smaller and creates less vibration.

Typical cost per helical pier is $700–$2,500. A job using ten piers at $1,200 each totals roughly $12,000. As with push piers, final price depends on depth, soil conditions, pier count, and whether the foundation needs lifting after installation.

## Cost Comparison at a Glance

| Item | Push Piers | Helical Piers |
|---|---|---|
| Typical cost per pier | $1,000–$3,000 | $700–$2,500 |
| Typical full job | $6,000–$30,000 | $6,000–$30,000 |
| Equipment size | Larger hydraulic rig | Smaller torque motor |
| Best reaction source | Building weight | Torque rating |
| Warranty | Lifetime, transferable | Lifetime, transferable |

These are estimates. An engineer inspection usually costs $400–$1,500 and is the first step in determining pier count and depth. Permits vary by city and county and typically take 1–3 weeks when required.

## Load and Depth Considerations

Push piers derive capacity from the bearing stratum at refusal depth. If bearing soil sits 20 feet below the footing, the crew drives pipe until it reaches that layer. The structure’s weight helps advance the pier, but the ultimate support comes from the soil or rock at the tip.

Helical piers derive capacity from the helix plates engaging the soil. Installers measure torque during installation and convert it to an estimated load capacity using soil-specific correlations. If calculations show a design load of 20,000 pounds per pier and the required torque indicates 10,000 pounds per pier at the target depth, the engineer may specify two piers per load point or deeper installation.

Depth to bearing varies by site. There is no standard depth that fits every house. A soil report or engineer’s inspection determines how deep piers must go before brackets are installed and any lifting begins.

## When to Choose Push Piers

Push piers are often the default for heavier residential structures where the foundation can support the drive brackets and the soil profile has a firm layer within practical reach. They are commonly used under slab foundations, basement walls, and perimeter footings that show settlement cracks wider than 1/8 inch or vertical displacement.

If you are already researching broader repair budgets, the [foundation repair cost guide](https://foundationrepairlab.com/foundation-repair-cost/) covers typical job ranges and variables. For pier-specific pricing, see the [push pier cost page](https://foundationrepairlab.com/push-pier-cost/).

Push piers are less practical for very light structures, shallow bearing soil over unstable fill, or sites where a large hydraulic rig cannot be positioned.

## When to Choose Helical Piers

Helical piers fit lighter structures, limited-access areas, and soils where driving resistance is unpredictable. Because they are screwed rather than driven, they work well in tight crawl spaces and under additions where the existing structure cannot supply reaction force.

They are also common for underpinning porches, stoops, and crawl-space beams. If a home has a pier-and-beam system, helical piers can stabilize individual columns without excavating long trenches. The [pier and beam foundation repair cost guide](https://foundationrepairlab.com/pier-and-beam-foundation-repair-cost/) details how those systems differ from slab repairs.

Helical piers may cost less per unit than push piers, but total job cost still depends on pier count and depth. Ten helical piers at $1,200 each ($12,000) can cost more than six push piers at $1,500 each ($9,000), so compare engineered proposals, not just unit prices.

## Alternatives to Piering

Not every foundation problem needs piers. A slab with minor settlement might be lifted with mudjacking at $3–$8 per square foot or polyfoam injection at $5–$15 per square foot. Those methods cost less but carry shorter expected service lives—mudjacking roughly 5–15 years—and do not address deep bearing failure.

Bowing basement walls may call for carbon fiber straps at $400–$1,200 each or wall anchors at $500–$1,500 each rather than piers. Crawl-space moisture issues sometimes lead to encapsulation at $3–$8 per square foot, or $4,000–$15,000 per job. These are separate repair categories and should not be confused with underpinning.

If foundation damage exceeds roughly one-third of the structure’s value or the wall has failed beyond repair, replacement at $40,000–$150,000 may be the only option. Restoration typically costs 10–25 percent of structural replacement when the foundation can be stabilized instead.

## Getting an Accurate Quote

Start with a structural or foundation engineer inspection, typically $400–$1,500, with lead times of 1–2 weeks. The inspection should identify crack width, movement, soil conditions, and the number and depth of piers required. Cracks under 1/16 inch are usually cosmetic; cracks at or above 1/8 inch warrant monitoring; movement approaching 2 inches needs prompt evaluation.

Ask for an itemized quote showing pier count, depth to bearing, unit price, bracket type, and whether lifting is included. Compare push pier and helical proposals side by side using the same engineering data. A lower unit price does not mean a lower total cost if the engineer specifies more piers or deeper installation.

Pier warranties are generally lifetime and transferable, with transfer fees of $100–$500. Confirm transfer terms before signing, especially if you plan to sell the home within a few years.

Measure first, method second, price third. The right pier type depends on your structure’s weight, soil profile, access constraints, and engineered load requirements—not on which option sounds stronger.