Foundation & Structure · Rapid City, SD

Foundation & Structure Repair Costs

Foundation repair, framing, and structural fixes. Estimates below are localized to labor and material rates in the Rapid City, SD area (zip prefix 577). Enter your exact zip to refine.

Showing local estimates for Rapid City, SD (57701)

Major$4,425 – $22,150

Foundation cracks - significant/structural

Structural repair (underpinning/piers)

Major$7,000 – $13,125

Basement waterproofing - exterior excavation

Excavate to footing, apply membrane, install footing drain, backfill

Moderate$4,425 – $13,300

Encapsulate crawl space

Full vapor barrier on floor and walls, sealed vents, insulation, dehumidifier

Major$3,300 – $9,900

Replace floor joists

Remove and replace damaged joists including shoring and subfloor work

Major$825 – $8,350

Termite structural damage repair

Replace or repair damaged framing, subfloor, or load-bearing members

Major$825 – $8,350

Improper structural modifications

Engineer assessment + corrective framing

Major$2,650 – $8,875

Bowing basement wall - steel anchors or bracing

Stabilize wall with steel wall anchors, tiebacks, or I-beam bracing

Major$2,500 – $8,350

Replace support beam/column

Remove and replace failed main beam or column with new steel or LVL

Major$2,625 – $7,000

Basement waterproofing - interior

Interior perimeter drain tile beneath slab plus sump pump

Major$1,675 – $6,750

Sill plate rot

Replace rotted sill plate sections

Major$1,775 – $4,450

Bowing basement wall - carbon fiber straps

Stabilize bowing wall with epoxy-bonded carbon fiber straps; no excavation

Major$825 – $4,175

Reinforce support beam/column

Add jack posts, sister the beam, or install supplemental beam and footings

Major$1,350 – $4,500

Crawl space moisture/standing water

Install vapor barrier + dehumidifier

Major$825 – $2,475

Sister floor joists

Fasten new joists alongside damaged ones to restore capacity

Major$450 – $2,650

Post/pier settling

Level and stabilize support piers

Major$400 – $2,050

Termite treatment (whole house)

Liquid barrier or bait system treatment

Moderate$425 – $1,700

Subfloor damage/deterioration

Replace damaged subfloor sections

Moderate$250 – $775

Add or seal foundation vents

Install or seal crawl space foundation vents

Minor$175 – $700

Foundation cracks - hairline/minor

Monitor or seal minor cracks (epoxy)

About These Estimates

These estimates are based on national averages adjusted for local labor and material costs using BLS and BEA data. Actual costs vary based on specific conditions, contractor availability, and project complexity. Always obtain multiple quotes from licensed local contractors.