What changes the cost?
The source and extent of the problem matter more than the size of a visible crack. A proposal may need to account for engineering, permit documents, excavation, number and depth of supports, damaged framing, utilities, access, water management and finish restoration. A tight crawl space or restricted exterior access can affect the approach.
No fixed prices or estimate offers are advertised here. Ask the provider whether there is an assessment or engineering fee, what it includes and whether any credit toward work is offered in writing.
Compare the same work
Start with the diagnosis and intended outcome. Two totals are not comparable if one stabilizes a footing while another only treats a crack, or if one includes drainage and restoration while the other excludes them.
- Which areas and quantities are included, and how are changes approved?
- Who prepares engineering and obtains permits?
- What access, excavation, utility protection and cleanup are included?
- Are plumbing, electrical work, landscaping and interior repairs excluded?
- What documentation and maintenance instructions are provided afterward?
Keep the agreement specific
Confirm who will perform and supervise work, the legal business name, payment schedule, written change-order procedure and cancellation terms. Verify required licensing and insurance directly rather than relying on a logo or a sales conversation. Ask for the actual warranty document if one is proposed.
Build in the right approvals
The City of Charleston’s foundation repair guidance lists engineering and plan documentation. Review the current requirements for your jurisdiction before assuming a contractor’s proposal includes everything. Floodplain or architectural review can affect the final scope.
Choose the next useful step
If the cause is not clear, start with a foundation assessment. If you already have a proposal, write down the unanswered questions and ask for clarification before committing. Read the warranty checklist alongside any offered terms.