Foundation repair in Kansas City

Foundation Repair Kansas City: $2,225 to $8,133 (2026)

Foundation repair in Kansas City costs $2,225 to $8,133 for most homes in Angi's August 2026 national data, with a $5,174 average, and Angi puts basement foundation repair at $2,300 to $7,600.

Typical price range$2,225 to $8,133

HomeGuide prices a bowing basement wall at $80 to $550 per linear foot, and the Census median Kansas City home was built in 1969.

Updated October 11, 2026

Common reasons people call

Key numbers

  • $5,174Foundation repair, national averageAngi, Aug 2026
  • $2,224 to $8,134Foundation repair, nationalThis Old House, Oct 2026
  • $250 to $800 per crackCrack injection, nationalHomeGuide, Jul 2025; Angi, Aug 2026

A horizontal crack in a block basement wall, a wall that bows in or water at the floor joint in Kansas City? Call the foundation line and describe what you see.

Call a foundation contractor(646) 956-2211
JobPublished priceSource
Foundation repair, national average$5,174; most jobs $2,225 to $8,133Angi, Aug 2026
Foundation repair, national$2,224 to $8,134; average $5,179This Old House, Oct 2026
Crack injection, national$250 to $800 per crackHomeGuide, Jul 2025; Angi, Aug 2026
Piers or underpinning, national$1,000 to $3,000 per pierAngi, Aug 2026; This Old House, Oct 2026
Basement foundation repair, national$2,300 to $7,600Angi, Aug 2026
Bowing basement wall, national$80 to $550 per linear foot; $1,600 to $11,000 for 20 ftHomeGuide, Oct 2025
Basement waterproofing, national$6,000 to $18,000HomeGuide, Jan 2026
Foundation inspection, national$300 to $750; $550 averageHomeGuide, Feb 2026
Structural engineer report, national$300 to $1,000Angi, Aug 2026
Permits, national$75 to $150Angi, Aug 2026

We found no Kansas City price from a publisher we use. Every row is a national figure and is labeled that way; each publisher's range is shown on its own and none are merged. The company that answers quotes its own inspection fee before anything is booked.

Do this now, before you call a Kansas City foundation company

  1. Measure and photograph the crack with a date. HomeGuide treats cracks under 1/8 inch as often cosmetic and flags cracks wider than 1/8 inch; put a pencil mark at each end so you can see whether it grows. The ASCE Texas Section guideline says the majority of cracks do not compromise structural integrity, so the record matters more than the first look.
  2. Walk the outside after a rain. The ASCE Texas Section guideline calls for grading that falls at least 5 percent for the first 5 feet from the wall and downspouts that discharge well away from it. Pooling water, a short downspout or a flat bed against the house explains a lot of movement.
  3. Note doors, floors and the crack pattern. Doors that stick, gaps over cabinets and a floor you can feel slope are the signs HomeGuide lists; the guideline says a floor slope over 1 percent is usually noticeable. Diagonal cracks at corners that are wider at one end are the settlement pattern engineers look for (Forcon).
  4. Measure the bow, not just the crack. In a basement house the wall itself is the question. Angi says bracing can repair most walls bowing under 2 inches, 2 to 4 inches may be salvageable at higher cost, and more than 6 inches usually means replacement; hold a 4-foot level against the wall at mid-height and write down the gap.
  5. Decide who inspects first. A foundation repair company's visit is often free; a structural engineer's report costs $300 to $1,000 (Angi) and comes with no repair to sell. HomeGuide warns that companies offering free inspections "may be more likely to recommend repairs to get your business." Foundation inspection cost explains the difference.
  6. If there is standing water, keep clear of outlets and equipment. Do not touch electrical equipment if it is wet or you are standing in water (Red Cross). A gas smell with any of this: leave, then call 911 or the gas utility from outside.
Definition

Foundation repair in Kansas City is mostly basement work: wall anchors, carbon fiber straps or tiebacks on a bowing block wall, crack injection, piers under a settling footing and drainage to take water pressure off the wall. Angi puts foundation repair at $2,225 to $8,133 for most homes nationally and basement foundation repair at $2,300 to $7,600.

Is it urgent? Foundation signs in Kansas City that should not wait

Most foundation movement in Kansas City is measured in months, and the ASCE Texas Section guideline says the majority of cracks do not compromise structural integrity. Three things are worth a prompt call rather than a wait-and-see, and none of them is a verdict on your house: a wall that is visibly leaning or has shifted since you last looked; a new horizontal crack at mid-height with the wall bowing inward, which Forcon's engineering guide calls "a cause for immediate concern" because it comes from soil pressure; and plumbing that has stopped draining under a slab, which can mean a broken line washing out the soil beneath it. With a basement, the one that moves fast is a horizontal crack at mid-height after a wet spring, with the wall pushed inward; Forcon's guide says horizontal cracking in the center of a wall is typically lateral soil pressure, worst when soils are saturated.

Everything else, a hairline crack, a door that started sticking this summer, a slope you noticed with a marble, is a measured problem. Photograph it, mark it and book an inspection within a few weeks. HomeGuide prices a single crack injection at $250 to $800 nationally; settling that calls for piers runs $4,500 to $20,000, and the first visit is usually an inspection with a written plan, not a repair.

Kansas City houses: a 1969 median and a lot of block basements

The Census median home in Kansas City, Missouri was built in 1969, eleven years older than the U.S. median of 1980 and the oldest housing stock of the ten cities on this foundation line. That matters because houses of that age with full basements, often concrete block, fail differently from Texas slabs: they bow inward under wet-soil pressure and crack along the mortar joints in a stair-step. HomeGuide prices bowing wall repair at $80 to $550 per linear foot, or $1,600 to $11,000 for a 20-foot wall, with wall anchors at the low end for bowing under 2 inches and helical tiebacks at $300 to $360 per foot for severe cases; Angi's national average is $4,500.

A foundation contractor would check the wall for bow with a level, look for a horizontal crack at mid-height, check whether water is coming through the floor-wall joint, and look at where the downspouts discharge, because the fix that costs least is often outside: the University of Minnesota Extension's order for basement water is grading, gutters and downspouts first, then interior or exterior drainage. HomeGuide puts basement waterproofing at $6,000 to $18,000 nationally; see basement waterproofing cost and bowing basement walls.

Kansas City permits: structural supports need plans, and the triple fee

Kansas City's City Planning and Development department treats structural basement work as a plan-review job, not a simple permit. Its residential rehab permitting guide (February 2023) lists installing structural supports in a basement as a structural remodel that requires plans, while repair or replacement in kind of joists, studs or rafters is a simple permit and fences, roofing, painting and low decks are exempt. The guide also carries the line worth remembering before anyone skips the permit: "Work done without permits will trigger a triple fee penalty." The Permits Division is 816-513-1500. Angi's national permit figure is $75 to $150; piers, anchors and tiebacks on a load-bearing wall fall on the plan side of Kansas City's line.

Licensing: no Missouri state license, a city license instead

Missouri does not license general or foundation contractors at the state level; the Division of Professional Registration's list of regulated professions runs from architects, professional engineers and surveyors to electrical contractors, with no general contractor, home improvement or foundation repair board. Kansas City fills the gap with a city contractor license issued by City Planning and Development, valid for four years, which the rehab guide says must be backed by liability insurance; a separate one-year business license from the Finance Department covers non-structural remodels and roofing or siding. The city's contractor licensing page points to a search for licensed contractors through CompassKC. Ask the company for its Kansas City contractor license and the engineer who sized the anchors or piers; Angi lists a structural engineer's inspection at $250 to $500 for a bowing wall and a report at $300 to $1,000.

WhatKansas CitySource
Median home built1969 (U.S. median 1980)U.S. Census Bureau (ACS)
PermitStructural supports in a basement are a structural remodel needing plans; no-permit work triggers a triple feeKCMO City Planning and Development
Permits Division816-513-1500KCMO CPD
State licenseNone for general or foundation contractors (Missouri Division of Professional Registration)pr.mo.gov
City licenseKCMO contractor license, 4 years, liability insurance required; lookup through CompassKCKCMO City Planning and Development
Bowing wall thresholdsUnder 2 in: bracing; 2 to 4 in: may be salvageable; over 6 in: likely replacementAngi

Local soil, permit and licensing facts for Kansas City, from official city, state, USDA and Census pages unless marked.

Have the bow measured and the downspouts checked? Call the foundation line in Kansas City and ask what the first visit covers.

Call a foundation contractor(646) 956-2211

More Kansas City repair guides

Water in the basement comes first: water damage restoration in Kansas City, mold removal in Kansas City and basement flooding. Sewer backups and laterals: sewer line repair in Kansas City and drain cleaning in Kansas City. Gutters and roof: roof repair in Kansas City. All trades: home repair in Kansas City. Compare foundation repair in Oklahoma City and foundation repair in Nashville. All foundation guides: foundation repair, foundation repair cost, basement crack repair, foundation underpinning, French drain cost. Calls go to an independent foundation repair company that serves your area and takes this kind of job; hours vary (how calls work).

Questions people ask

How much does foundation repair cost in Kansas City?

We found no Kansas City-only figure. Angi's 2026 national range is $2,225 to $8,133 with a $5,174 average, and basement foundation repair is $2,300 to $7,600. HomeGuide prices bowing wall repair at $80 to $550 per linear foot and basement waterproofing at $6,000 to $18,000; piers are $1,000 to $3,000 each (Angi).

Do I need a permit for foundation repair in Kansas City, MO?

Kansas City's residential rehab permitting guide lists structural supports in a basement as a structural remodel that requires plans, and warns that work done without permits triggers a triple fee penalty. In-kind joist, stud or rafter replacement is a simple permit. Permits Division: 816-513-1500.

Are foundation repair contractors licensed in Missouri?

Not by the state: Missouri's Division of Professional Registration lists no general contractor, home improvement or foundation repair license. Kansas City issues its own contractor license through City Planning and Development, valid four years, with liability insurance required; look a company up through CompassKC.

How much bowing in a basement wall is too much?

Angi says bracing can repair most walls bowing less than 2 inches, 2 to 4 inches may be salvageable at higher cost, and more than 6 inches usually means replacement; it recommends an inspection at 1 inch. HomeGuide prices wall anchors at $80 to $150 per foot and helical tiebacks at $300 to $360 per foot.

Why do Kansas City basement walls crack?

Forcon's engineering guide says horizontal cracking in the center of a wall is typically lateral soil pressure, worst when soil is saturated, and that stair-step cracks in block follow the mortar joints. Kansas City's median home dates to 1969, so many walls are postwar concrete block with decades of wet springs behind them.

Should I waterproof or brace first?

Outside first. The University of Minnesota Extension's order is grading, gutters and downspouts, then interior or exterior drainage, because water pressure is what pushes a wall in. A contractor would check where the downspouts discharge before pricing anchors.

A bowing wall, a horizontal crack or water at the floor joint in Kansas City? Call the foundation line and describe what you see and how long it has been there.

  1. 1Call the line
  2. 2It rings a local company
  3. 3They give you the price
Call a foundation contractor(646) 956-2211

Before you book

  • License numberAsk for it, then check it with the state board.
  • Written priceGet the visit fee and the job price in writing before work starts.
  • Proof of insuranceAsk for the certificate, especially for roof, tree and electrical work.

Sources (16)

  1. Angi: How Much Does Foundation Repair Cost? (2026-08-03)
  2. This Old House: How Much Does Foundation Repair Cost? (2026-10-08)
  3. HomeGuide: How Much Does Foundation Repair Cost? (2026) (2026-02-06)
  4. HomeGuide: How Much Does a Foundation Inspection Cost? (2026) (2026-02-05)
  5. HomeGuide: How Much Does Foundation Crack Repair Cost? (2026) (2025-07-09)
  6. ASCE Texas Section: Guidelines for the Evaluation and Repair of Residential Foundations, Version 2 (2008)
  7. Forcon (Jim Robinson, PE, SE): Identification of cracks in concrete and masonry walls (checked 2026-10-11)
  8. Angi: How Much Does Bowing Basement Wall Repair Cost? (2026-10-01)
  9. HomeGuide: How Much Does Bowing Basement Wall Repair Cost? (2026) (2025-10-29)
  10. HomeGuide: How Much Does Basement Waterproofing Cost? (2026) (2026-01-23)
  11. University of Minnesota Extension: Moisture in basements: causes and solutions (checked 2026-10-11)
  12. KCMO City Planning and Development: Permitting for Residential Rehab Work (2023-02-17)
  13. KCMO City Planning and Development: Contractor Licensing (checked 2026-10-11)
  14. Missouri Division of Professional Registration: Boards and Commissions (checked 2026-10-11)
  15. U.S. Census Bureau, ACS 2020 to 2024 5-year, Table B25035, Kansas City city, Missouri (checked 2026-10-11)
  16. American Red Cross: Flood Safety (checked 2026-10-11)
Foundation repair, basement waterproofing, crawl space encapsulation, French drains, foundation cracks or a foundation inspection

Call the foundation line in Kansas City

Have the address, the foundation type (slab, crawl space or basement), what you see (cracks, water, sticking doors, sloping floors) and how long it has been going on. The company will quote its inspection fee before anything is booked.

Free call to an independent company in your area that takes this kind of work.

Call a foundation contractor(646) 956-2211Which line?