Olympia homeowner guide
Concrete leveling in Olympia, Washington
What causes slabs to settle in the South Sound, when lifting may work, and what to ask before approving a repair.
Why concrete settles around Olympia
Concrete does not usually sink because the slab suddenly became heavier. Movement is more often connected to what is happening below it. Water can carry away fine soil, poorly compacted fill can compress over time, and leaking downspouts or irrigation can create localized soft spots. Tree roots and changes to nearby drainage can also affect support.
Olympia’s long wet season makes drainage worth examining before any lift. Raising a slab without correcting the water source can leave the same underlying condition in place. A useful evaluation should consider the direction of runoff, downspout discharge, adjacent grades, visible voids, and where the slab has moved.
Surfaces commonly evaluated for lifting
Driveways
Individual panels may settle at the garage apron, curb, or control joints. The goal is often to reduce abrupt edges and direct water away from structures.
Walkways
Even small height differences can create a trip hazard. Lifting may preserve otherwise sound concrete without the disruption of removal.
Patios and porches
Slabs that tip toward the home deserve attention because they can direct rainwater toward siding, crawlspaces, or foundations.
Garage floors
Voids and settlement can sometimes be stabilized, but widespread cracking or structural movement may call for a different repair.
When leveling is worth considering
The best candidates are generally intact slabs that have dropped or tilted while remaining reasonably sound. Lifting cannot erase existing cracks, repair badly deteriorated concrete, or redesign a slab that was poured incorrectly. If the surface is extensively broken, spalled, or too thin, replacement may provide better long-term value.
Questions to ask the provider
- What appears to have caused the settlement?
- Should drainage or a leaking water source be corrected first?
- Which lifting material will be used, and why?
- How will existing cracks and adjacent structures affect the lift?
- What result is realistic, and what cannot be corrected?
- Is the provider appropriately licensed and insured for the proposed work?
Service area
Cascade accepts requests from Olympia, Lacey, Tumwater, Yelm, Rainier, Tenino, Rochester, and surrounding Thurston County communities. Provider availability varies by project and location.