When Permits Are Required
The general rule is that any structural foundation work requires a permit. The exceptions tend to be cosmetic or surface-only repairs. Below are the specific situations homeowners ask about most.
Does crack injection require a permit?
In most jurisdictions, no. Polyurethane or epoxy crack injection is considered a non-structural repair because it seals the crack without changing the load path of the foundation. A few municipalities require permits for any work on a structural element regardless of method, but they are the minority. If your contractor tells you crack injection is being done without a permit, that is usually correct and is not a red flag by itself.
Do wall anchors and carbon fiber require permits?
Almost always yes. Wall anchor installation involves drilling through the foundation wall, installing a structural element on the exterior, and creating a new load path on the inside. Carbon fiber strap installation, while less invasive, is still reinforcing a structural element. Both should be permitted in nearly any jurisdiction with active building code enforcement. If a contractor offers to do this work without a permit, that is a meaningful red flag.
Do helical piers or push piers require a permit?
Yes, in virtually every municipality. Underpinning of a foundation with piers fundamentally changes how the building transfers load to the soil. It typically requires both a building permit and a structural engineer's stamped drawings showing the pier locations and load calculations. The International Code Council adopts model codes that nearly all U.S. jurisdictions follow, and the international residential code is clear that foundation underpinning is permitted work.
What about replacing a section of foundation wall?
Always permitted, and usually requires engineering drawings and inspections at multiple stages. Foundation wall replacement is one of the more involved permit processes because it usually involves temporary support of the structure during the work. Expect a permit fee in the hundreds to low thousands of dollars, multiple inspections during the project, and a sign-off inspection before the work can be considered complete.
What about waterproofing and drainage work?
Exterior waterproofing involving excavation usually requires a permit because of the depth of digging required near a structural element. Interior waterproofing systems that drain water to a sump are often permitted as well, particularly if the sump discharge ties into the municipal storm system. Simple gutter and downspout work usually does not require a permit. The line is fuzzy and varies by jurisdiction. When in doubt, call the building department and ask before the work starts.
Who Pulls the Permit
The question of who pulls the permit is more important than most homeowners realize. It affects liability, warranty enforcement, and the resolution of any issues that come up during inspection.
Should the contractor pull the permit or should I?
The contractor should pull the permit, in the contractor's name, for any structural foundation work. When a contractor pulls the permit, they are the party legally responsible for the work meeting code, passing inspection, and being completed correctly. When the homeowner pulls the permit (which is legal in most jurisdictions but discouraged), the homeowner becomes the responsible party even though they did not do the work.
Some contractors will ask homeowners to pull the permit. This is a major warning sign. The most common reason is that the contractor's license is in poor standing, they have outstanding violations with the building department, or they want to avoid being on the hook if the work fails inspection. A reputable contractor wants their name on the permit and will not push back when you ask them to handle it.
What if my contractor is not licensed?
This depends on the state. Some states (Texas, Oklahoma, parts of the South) do not require statewide licensing of foundation repair contractors. Others (California, Florida, New York) require specific contractor licenses for structural work. If your state requires licensing and your contractor is not licensed, they cannot pull the permit, and the work is technically illegal even if it gets done well. Check with your state's contractor licensing board before signing any contract for major foundation work.
Inspections and the Permit Process
A permit is not just a piece of paper. It triggers a sequence of inspections that provide independent quality control on the work. Skipping the permit means skipping the inspections.
What inspections are required during foundation work?
For underpinning work, expect at minimum an inspection of excavation depth and pier locations before piers are driven, an inspection of pier installation before backfill, and a final inspection after the work is complete. For wall anchors, expect an inspection of anchor placement before backfill and a final inspection. Some jurisdictions add additional inspections like an engineer's site visit during installation.
Inspectors are looking at code compliance, not workmanship quality in the broad sense. They check that piers are at the specified depth, that anchor spacing matches the engineering drawing, and that materials match the spec. They will not catch every problem, but they will catch the big ones that lead to repair failures.
How long does the permit process take?
For a typical residential foundation repair, the permit application to approval timeline runs 1 to 4 weeks. Municipalities with backed-up plan review can take longer, sometimes 6 to 8 weeks. The actual inspections during work happen with 24 to 72 hours notice in most jurisdictions. Contractors familiar with the local building department often know which reviewers will catch what issues and can pre-emptively address common questions.
What if the work fails inspection?
The contractor has to make corrections and request a re-inspection. The homeowner should not pay the final invoice until inspections are signed off. If the failure is significant (work not at specified depth, anchors not at engineered spacing), the corrections can be expensive and the contractor is responsible for them, not the homeowner. This is one of the strongest practical arguments for ensuring the permit is in the contractor's name.
Consequences of Unpermitted Work
Unpermitted foundation work has consequences that can show up years after the repair is done. The risks fall on the homeowner, not the contractor, once the contractor has left the job.
Will unpermitted work cause problems at home sale?
Often yes. Buyer inspections increasingly include foundation repair history checks, and municipalities are getting better at flagging properties with unpermitted work during real estate transactions. If a buyer's inspector finds evidence of foundation repair without a corresponding permit on record, the transaction can stall while the seller scrambles to get the work permitted retroactively. Retroactive permits cost more than original permits and require the work to be re-exposed for inspection, which often involves significant additional expense.
Does unpermitted work void insurance?
It can. Most homeowners policies have language excluding damage related to unpermitted construction. If an unpermitted foundation repair fails and causes additional damage to the house, insurance carriers have grounds to deny the claim. The denial is not automatic, but the policyholder is in a much weaker position than they would be with proper permitting.
Can the city require me to remove unpermitted work?
In extreme cases, yes. Building departments have the authority to require unpermitted work to be exposed for inspection, brought up to code, or removed entirely. This is uncommon for foundation work because exposing it is so expensive, but it does happen. More commonly, the building department levies fines and requires retroactive permitting with full inspection. The penalty plus permit fees often exceed what the original permit would have cost by a factor of 3 to 10.
Permit Costs and Practical Advice
Permit fees vary by jurisdiction and project size but are generally small relative to total project cost. A few practical points worth knowing before signing a repair contract.
What do permits typically cost?
For residential foundation repair, expect permit fees of $200 to $1,500 depending on the project scope and municipality. Larger metros and projects requiring engineering review tend toward the high end. Small crack repairs that require permits at all are usually in the low hundreds. The fee should be itemized in the contractor's proposal, not buried in the total. If it is not, ask for clarification before signing.
Should I confirm the permit was pulled?
Yes. Ask for a copy of the permit before work starts and confirm the permit number with the building department directly. Most municipalities have online permit lookup tools where you can verify the permit is active and in good standing. This step takes 5 minutes and is the single best way to confirm your contractor is doing what they said they would do.
What records should I keep?
Keep the permit, all inspection sign-offs, the contractor's invoice, any engineering drawings, and the warranty documentation. These records become important at home sale, during insurance claims, and if any issue with the repair surfaces later. Store digital copies somewhere durable (cloud storage, email to yourself) so they survive a basement flood or hard drive failure.