Foundation Repair in Oak Island, NC
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Historical Foundation Issues
One of the most notable foundation-related challenges in Oak Island occurred after Hurricane Matthew in 2016. The storm caused extensive beach erosion, which weakened the ground beneath many homes, leading to significant foundation settling and structural instability. The sandy, loose soil in Oak Island is highly susceptible to washouts, sinkholes, and soil displacement, making foundation repair in Oak Island, NC, a priority for homeowners and businesses.
In 2019, multiple beachfront properties in Oak Island had to undergo foundation lifting and stabilization due to severe ground shifting. Many properties built on pier and beam foundations saw structural damage due to moisture intrusion, wood rot, and sinking piers.
Our Services
- Concrete Slab Foundation Repair
- Pier and Beam or Block and Base Foundation Repair
- Basement Wall Repair
- Basement Waterproofing
- Cracked Wall / Structural Repair
- Drainage Services and Repair
- House Leveling
- Mudjacking / Slabjacking
- Retaining Wall Repair
- Sinkhole Remediation
- Polyurethane Foam Injection
- Commercial Foundation Repair
- Mobile Homes
- Soil Stabilization
- Compaction Grouting
- Pool Stabilization
- Void Filling
- Pressed Steel Pilings
- Steel Push Pier Installation
- Slab Pier Installation
- Helical Pier Installation
- Pre-Construction Pier Installation

Preventing Foundation Damage
Since Oak Island has unique environmental challenges, foundation repair prevention is crucial. Homeowners and business owners can take proactive steps to avoid severe foundation issues:
- Install Proper Drainage Systems – Coastal homes are vulnerable to hydrostatic pressure and erosion. Installing French drains and sump pumps can prevent foundation shifting.
- Elevate Foundations on Piers – Many properties in Oak Island are built on pier and beam foundations. Regular maintenance and reinforcement prevent foundation sinking.
- Seal Foundation Cracks Immediately – Even small cracks in concrete slab foundations can expand due to coastal humidity. Using epoxy injections can stop further deterioration.
- Monitor Soil Stability – The sandy soil in Oak Island is unstable. Adding compacted gravel, soil stabilization treatments, and vegetation can prevent erosion.
- Waterproof Crawl Spaces – Homes with pier and beam foundations should have encapsulation systems to prevent moisture damage, mold growth, and wood rot.

DIY Foundation Repair Tips for Minor Issues
Some foundation repair solutions can be handled without professional intervention if the damage is minor:
- Seal Small Foundation Cracks – Use polyurethane or epoxy sealant to prevent water intrusion.
- Reinforce Soil Around the Foundation – Apply gravel, mulch, and soil stabilizers to prevent shifting soil.
- Adjust Pier Supports – If a pier and beam foundation begins to sag, installing temporary shims can help.
- Use Concrete Leveling Foam – If concrete slabs show minor sinking, polyurethane foam injection can help lift them.
- Regularly Inspect for Moisture – Keeping crawl spaces dry reduces the risk of wood decay and termite infestation.
While these fixes can provide temporary relief, major issues require professional foundation repair in Oak Island, NC.

When to Call a Foundation Repair Contractor
Certain signs indicate it’s time to call a foundation repair contractor in Oak Island, NC:
- Visible Foundation Cracks – Large cracks on walls, ceilings, or floors suggest serious foundation shifting.
- Uneven or Sloping Floors – If your floors feel unstable, your foundation may be settling unevenly.
- Sticking Doors and Windows – Foundation movement causes misalignment in doors and windows.
- Bowing Basement Walls – If basement walls lean inward, hydrostatic pressure is affecting your foundation.
- Crawl Space Moisture Issues – Excess humidity can cause wood rot, mold growth, and structural weakening.
Benefits of Hiring a Professional
- Expert Foundation Assessment – Professionals conduct thorough evaluations to determine the exact issue.
- Long-Term Stability – Using methods like steel push piers, helical piers, and slab piers ensures permanent solutions.
- Warranty Protection – Most reputable contractors offer warranties on foundation repairs for peace of mind.
Hiring a foundation repair expert in Oak Island, NC, ensures the long-term durability of your property.

How Coastal Weather Affects Foundations in Oak Island, NC
The coastal climate in Oak Island, NC, presents unique challenges for foundation stability. Factors like saltwater exposure, storm surges, and heavy rainfall accelerate foundation deterioration.
Key Weather-Related Issues for Foundations in Oak Island:
- Saltwater Intrusion: Saltwater can corrode concrete and metal reinforcements, causing foundation weakening.
- Frequent Hurricanes & Storm Surges: Powerful storms wash away soil, leading to foundation erosion and settling.
- High Humidity Levels: Excess moisture promotes wood rot in pier and beam foundations and weakens concrete over time.
- Coastal Flooding Risks: Floodwaters introduce excess pressure on basement walls, increasing the likelihood of cracks.
To combat these issues, homeowners in Oak Island should invest in:
- Corrosion-resistant foundation materials
- Elevated foundation structures for flood-prone areas
- Encapsulation systems for moisture control
- Routine foundation inspections after major storms
By addressing coastal climate risks proactively, homeowners can extend the life of their foundation and avoid costly repairs.
FREQUENTLY ASKED QUESTIONS
What are the signs my foundation needs repair?
Cracks in walls, uneven floors, sticking doors or windows, and gaps around window frames or doors are common signs that your foundation may need repair.
How long does foundation repair take?
The duration of foundation repair varies depending on the severity of the issue, but most projects can be completed in a few days to a week.
Is foundation repair covered by homeowners insurance?
Foundation repairs are sometimes covered by homeowners insurance, but it depends on your policy and the cause of the damage. We recommend checking with your insurance provider.
How much does foundation repair cost?
Costs vary based on the extent of the damage, the size of the property, and the repair method. We offer free estimates to give you a clear understanding of your repair costs.
What is a lifetime transferable warranty?
Our lifetime transferable warranty means that the warranty on your foundation repair stays with the home, even if you sell it. This adds value and peace of mind for future homeowners.
Are You Searching for Foundation Repair Near Me?
If you need foundation repair in Oak Island, NC, trust the experts at St. James Foundation Repair. Our team specializes in slab repair, pier and beam stabilization, drainage correction, and more, ensuring the safety of your home or business.
📞 Call St. James Foundation Repair today at 910-838-9604 for a free assessment!
Top 5 Neighborhoods We Serve in Oak Island, NC
- Yaupon Beach
- Caswell Beach
- Tranquil Harbour
- Arboretum
- Long Beach