U.S. FOUNDATION & STRUCTURAL COST INDEX · 2026

Foundation & Structural Repair Costs

A U.S. cost index for foundation movement, structural support, crawl-space framing, basement walls, drainage and stabilization. Start with the symptom, then move to the repair method that actually drives the budget.

START WITHDiagnosis

Cracks, movement and moisture can point to very different scopes.

COST DRIVERRepair method

Piers, wall stabilization, leveling and rebuilds do not share one useful average.

QUOTE CHECKScope parity

Compare quantities, engineering, access, restoration and exclusions.

2026 COST REPORTS

Foundation & Structural cost guides

21 detailed U.S. reports
01
CORE GUIDE

Foundation Repair Cost

National ranges by repair method, foundation type, severity and structural scope.

02
CRACKS

Foundation Crack Repair Cost

Localized crack work versus cracking associated with movement or structural repair.

03
SLAB

Slab Foundation Repair Cost

Cracks, settlement, lifting, stabilization and under-slab constraints.

04
PIER & BEAM

Pier and Beam Foundation Repair Cost

Supports, beams, leveling, access and moisture-related framing work.

05
UNDERPINNING

Foundation Underpinning Cost

Deep support systems, pier counts, engineering and access conditions.

06
LEVELING

House Leveling Cost

Correction costs by foundation system, movement pattern and support scope.

07
BASEMENT WALLS

Bowed Basement Wall Repair Cost

Carbon fiber, anchors, tiebacks and more substantial wall stabilization.

08
RETAINING WALLS

Retaining Wall Repair Cost

Repair, drainage correction, stabilization and rebuild costs for exterior walls retaining soil.

09
SUPPORT BEAMS

Main Support Beam Replacement Cost

Main support beam replacement costs, including temporary support, access, wood, LVL, steel, posts and footings.

10
LOAD-BEARING WALL

Load-Bearing Wall Removal Cost

Wall removal, structural beams, temporary support, posts, footings, engineering and finish restoration.

11
SILL PLATE

Sill Plate Replacement Cost

Foundation-to-frame repair by linear footage, temporary support, adjacent framing, anchorage and moisture scope.

12
FLOOR STRUCTURE

Sagging Floor Repair Cost

Joists, beams, posts, subfloor conditions and support-system repair.

13
FLOOR JOISTS

Floor Joist Repair Cost

Sistering, replacement, rot, bearing damage, access and engineered-joist repair scope.

14
SUBFLOOR

Subfloor Replacement Cost

Plywood and OSB replacement, damaged sections, joist exposure and finish-floor restoration.

15
TERMITE DAMAGE

Termite Damage Repair Cost

Structural repair costs for termite-damaged joists, subfloors, sill plates, beams and wall framing.

16
CRAWL SPACE

Crawl Space Repair Cost

Structural, moisture and insulation work beneath a home.

17
MOISTURE CONTROL

Crawl Space Encapsulation Cost

Vapor barriers, sealing, drainage, dehumidification and preparation work.

18
WATERPROOFING

Basement Waterproofing Cost

Interior and exterior water-control systems and the access that changes the bid.

19
SUMP PUMP

Sump Pump Replacement Cost

Replacement cost by pump type, capacity, discharge, check valve, backup power and direct-swap versus system scope.

20
EXTERIOR

Exterior Basement Waterproofing Cost

Excavation, membranes, drainage and restoration around foundation walls.

21
DRAINAGE

Interior French Drain Cost

Perimeter drainage, sump integration, concrete removal and interior restoration.

HOW TO USE THIS INDEX

The visible symptom is not always the repair you are buying

Foundation searches often begin with a crack, a sloping floor, a wall moving inward, sticking doors or water at the basement perimeter. Those observations matter, but they are not interchangeable repair scopes. A sealed crack, a drainage correction, a beam repair and a pier system solve different problems and use different cost models.

For budgeting, use diagnosis first, method second and project total third. That keeps a cosmetic repair from being compared with structural stabilization as though they were competing bids for the same work. It also helps separate moisture-control work from load-bearing repair when both appear in one proposal.

Start with the broad foundation report, then move into the method-specific guide once a contractor, inspector or engineer has identified the likely system involved. The narrower guide is usually the better place to judge quantities, access, engineering and restoration.

  • Separate structural stabilization from waterproofing and drainage.
  • Compare pier, anchor, beam or linear-foot quantities before comparing totals.
  • Identify whether engineering, permits and inspections are included.
  • Budget for finishes, patios, landscaping and utilities disturbed by access.

WHY PRICES MOVE

Soil, access and load path can matter more than house size

Square footage is useful context, but foundation work is rarely priced like flooring. A large house with one localized repair can cost less than a smaller structure requiring multiple deep supports. Cost follows the number of work locations, support depth, equipment, temporary support and the amount of building that must be opened.

Ground conditions also change the practical problem. Expansive soils, groundwater, freeze-thaw exposure, drainage and localized subsidence can affect both diagnosis and repair approach. National planning ranges are therefore orientation, not a universal site quote.

Access frequently creates a second budget. Finished basements, low crawl spaces, decks, patios, driveways, landscaping and utilities can add demolition and restoration around the structural work. A strong proposal makes those boundaries visible.

BID REVIEW

Normalize foundation proposals before deciding which one is cheaper

Two bids with different totals may not describe the same intervention. One contractor may include more support points, engineering and concrete restoration while another excludes part of that scope. Comparing only the number at the bottom can reward the proposal that leaves more work outside the contract.

Build a comparison with rows for diagnosis, method, quantities, engineering, permits, access, drainage, finish restoration, warranty and exclusions. The aim is to expose where scopes diverge so the price difference becomes explainable.

REPAIR COST LEDGER METHOD

Use national ranges as planning data, not as a substitute for local scope.

Repair Cost Ledger organizes U.S. repair costs around the scope that creates the invoice: measured quantity, repair method, access, labor, equipment, permitting, demolition and restoration.

Each detailed report explains its own cost basis. Once you have a contractor proposal, compare it with the guide that matches the actual method and normalize inclusions and exclusions before treating competing totals as equivalent.

COST TOOLS

Estimate before you compare contractor proposals.

Open cost calculators →