Wall anchors are placed every 6-8 feet, and cost $400-$600 each. If a foundation wall bows severely (more than 3 inches) or if you want to make it straight again, you probably won’t be able to fix the problem from the inside.Click to see full answer. Also asked, how much does it cost to fix a bowed basement wall?Average Cost. Building or repairing a basement’s retaining wall costs is $75 to $200 per square foot. Repairing the concrete behind the bowed wall can cost more than $400 per square foot.Subsequently, question is, how much does it cost to fix foundation settling? The average cost of repairing a settling foundation is between $500 and $3,000. A sinking foundation needs to be leveled. It is hard to identify leaks – this is typically identified by inspection. The foundation is raised to its original height to level and placing piers under the foundation. Considering this, how much does it cost to jack up a house? Jacking up a house typically costs between $2,678-$8,089, with a national average of $5,377. Jacking up a house AND replacing its foundation costs anywhere between $20,000-$100,000, and includes excavation, grading, equipment fees, permits, and structural engineers.How do you fix a crack in a foundation wall?Dampen the crack by misting it with water from a spray bottle then push the hydraulic cement mixture into the crack with a putty knife. Let this dry for an hour or two then add another layer of cement mixture over the crack. Use a trowel to make the cement patch level and smooth with the wall surface.