Licensed C-31 structural concrete contractors serving Lihue (96766). High humidity, lateritic clay soil movement, and coastal trade winds cause sunken commercial sidewalks, settling residential driveways, and damp crawl spaces.
Hawaii DCCA Licensed Contractor Network (HRS § 444) • Residential & Commercial Insured.
Same-day foam slab leveling, steel post-and-pier supports, crawl space barriers & wall stabilization.
Primary Dispatch: Honolulu • Kailua • Kaneohe • Kapolei • Maui • Big Island • Kauai
Select a specialized service below to view local repair protocols, photo assessments, and Kauai County DPW engineering details:
We lift sunken driveways, pool decks, walkways, and uneven slabs back to level using high-density structural foam—no jackhammering and ready to use the same day.
We repair cracked driveways, flaking surface spalls, and open expansion joints, and seal concrete flatwork against water and Hawaii salt air.
We stabilize existing bowing, leaning, or cracked retaining walls in place using heavy-duty galvanized earth anchors and tiebacks—without tearing up your yard.
We permanently stabilize settling foundations with deep steel piers, level sagging post-and-pier floors with adjustable steel supports, and seal damp crawl spaces.
Tap the card matching your property to upload a photo for a fast repair estimate. We lift, seal, and stabilize existing concrete and foundations without tearing up your yard.

Driveways, Pool Decks, Walkways & Patios
Is your driveway, walkway, or pool deck sinking or creating a trip hazard? We lift sunken slabs back to level using high-density structural foam—no jackhammering, no heavy cement trucks, and ready to drive on the same day.

Settling Slabs, Post-and-Pier Floors & Moisture
Noticing sloping floors, sticking doors, or sinking post-and-pier blocks? We permanently support settling foundations with deep steel piers, level sagging floor joists with heavy-duty steel supports, and seal damp crawl spaces.

Retaining Wall Anchoring & Concrete Sealing
Have an existing retaining wall that is bowing or leaning, or concrete flatwork cracking from salt air? We stabilize tilting walls in place with heavy-duty earth anchors and seal cracked driveways against water and salt damage.
Snap a quick photo from your phone. One of our local estimators will take a look and let you know the best way to fix it—and what it should cost. (Note: We lift and repair existing concrete and foundations; we do not pour new driveways or build new walls from scratch.)
Persistent east-facing trade winds and Mt. Waialeale watershed runoff saturate Lihue’s lateritic clay soils across commercial hubs and residential subdivisions.
Weathered Kauai red clay swells and erodes beneath commercial sidewalks, residential driveways, and foundations—restored with foam slab lifting, steel piers, and earth anchors.
All load-bearing concrete & spalling repair scopes in Lihue are engineered in compliance with County of Kauai Department of Public Works (DPW) — Building Division (Moikeha Building, Lihue) and Hawaii HRS § 444 C-31 specialty licensing.
Transparent 2026 pricing ranges for Lihue properties. Costs depend on total slab square footage, settlement depth, subgrade soil conditions, and County of Kauai Department of Public Works (DPW) — Building Division (Lihue Moikeha Building) requirements. Includes Kauai inter-island freight & marine-grade protection logistics (+15%).
In Lihue, Kauai (96766), polyurethane foam concrete lifting, leveling, and crack repair costs $1,100 – $2,550 for walkway or patio trip-hazard lifting, $2,750 – $6,650 for sunken driveway or pool deck leveling, and $6,900 – $20,700+ for commercial sidewalk or warehouse slab stabilization. Serving Nawiliwili Harbor, Puhi, Hanamaulu, our high-density foam lifts existing slabs through penny-sized 5/8-inch ports and cures in 15 minutes.
1–2 sunken sidewalk or patio panels, hairline cracks, open control joints
Sunken driveway apron, settling pool deck slabs, 1/2" to 3" concrete drop
Multi-panel commercial walkways, interior warehouse slab voids, full salt-air sealing
High humidity, lateritic clay soil movement, and coastal trade winds cause sunken commercial sidewalks, settling residential driveways, and damp crawl spaces.
Delaying structural assessment in Lihue allows salt air corrosion to travel deeper along internal rebar, compounding structural remediation costs. Delaying structural intervention allows moisture to travel deeper along the reinforcement grid, turning a $1,500 repair into a $25,000+ structural overhaul.
Heavy tropical rain washes out sandy subgrades under driveways and walkways, expansive volcanic clay shifts beneath foundations, and coastal salt air pits unsealed concrete.
Without support underneath, concrete panels drop into trip hazards, post-and-pier floors sag over damp crawl spaces, and saturated hillside walls begin tilting forward.
Instead of messy demolition, our licensed Hawaii specialists lift sunken slabs in hours, seal cracks and pores against salt air, and stabilize foundations and walls in place.
Every project follows a clear, step-by-step repair process so your concrete slab, foundation, crawl space, or retaining wall is stabilized properly the first time.
Measuring slab settlement differentials and mapping soil washout voids beneath driveways, walkways, and pool decks.
Drilling penny-sized (5/8") injection ports through the existing concrete slab—far smaller and cleaner than 2-inch mudjacking holes.
Injecting two-part structural polymer foam beneath the slab to compress loose soil, fill voids, and lift the concrete accurately back to level.
Routing and sealing cracks and expansion joints with a flexible silicone-based sealant that withstands intense Hawaiian sun without drying out or cracking.
Applying a penetrating siloxane sealer that bonds inside the concrete pores to block ocean salt, water intrusion, and surface pitting.
Same-day photo assessment by licensed C-31 structural estimators across Kauai.
If you notice any of these structural symptoms, an immediate photo assessment can prevent further degradation:
Take a quick smartphone picture of the sunken slab, crack, crawl space, or leaning wall. A local estimator will review it today.
Authentic structural remediation case histories from property owners across Kailua, Waikiki, Manoa, and Maui. All projects performed by licensed Hawaii C-31 contractor partners.
“Two panels of our Kailua driveway and pool deck had sunk nearly 2.5 inches from sandy soil washout, creating a bad trip hazard. Instead of jackhammering our driveway, the crew lifted the concrete back to level through tiny holes, sealed all the cracks and joints, and applied a salt-air sealer. We parked on the driveway 20 minutes later!”
“Our older Manoa home had bouncy, sagging living room floors and a musty damp crawl space from valley rain. The crew installed adjustable galvanized steel support posts to replace our sinking concrete blocks and sealed the ground with a thick white vapor barrier. Our floors are solid and level again.”
“Our hillside block retaining wall on Wilhelmina Rise was bowing outward with stair-step cracks. Other contractors wanted $35,000+ to tear it down and dig up our whole yard. This team stabilized the existing wall with heavy-duty galvanized earth anchors and steel wall plates in two days with almost zero mess.”
“Our commercial warehouse in Kahului had floor slab settlement along the main forklift bay and loading dock. The crew mobilized quickly, stabilized the perimeter footing with deep steel piers, and lifted the sunken interior slab panels with structural foam with almost zero downtime for our crew.”
Upload a photo for a 15-minute engineering evaluation by Hawaii-licensed C-31 structural contractors.
Everything you need to know about structural remediation, county permits, and 2026 pricing in Hawaii.