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Serving Redwood City, CA and surrounding areas. (650) 587-4680
Your slab has dropped, your floor feels off, and you want it fixed without tearing everything up. We lift and level sunken concrete fast - most jobs are done in a single day.
Foundation raising in Redwood City lifts sunken or uneven concrete slabs back to level by pumping material beneath them through small drilled holes, most jobs take two to eight hours and you can use the area the same day.
If your garage floor feels lower than it used to, a section of your driveway has dropped, or you can see a gap opening up between a slab and the wall above it, soil movement is likely the cause. Redwood City sits on clay-heavy soil that swells in wet winters and shrinks in dry summers - that seasonal push-and-pull slowly pulls support away from your concrete. Foundation raising addresses the problem without tearing the slab out.
If you are also dealing with damage to the concrete surface itself, our concrete cutting service can remove and prepare affected sections before new concrete is poured.
If your interior doors or windows suddenly became hard to open or close after a rainy season, the slab or foundation beneath them may have shifted. In Redwood City, clay soil swells with winter rain and can push or drop sections unevenly. This is not just a door problem - it signals that the ground beneath your home is moving.
Walk around the inside of your garage or along the base of your home's exterior. If you can see a gap - even a small one - between the concrete slab and the wall above it, the slab has dropped from its original position. This gap tends to widen over time if the underlying soil issue is not addressed.
Stand in the middle of a room and notice whether the floor feels level. A ball rolling on its own across a hard floor is the classic test. In older Redwood City homes built on slab foundations, gradual settling can create a noticeable slope that worsens over years without any single dramatic event.
Redwood City's dry summers cause clay soils to shrink and pull away from the underside of concrete slabs, creating voids. When the rains return, those voids do not always refill evenly. New cracks in your driveway or patio - especially diagonal ones, or ones where one section sits higher than another - signal that the soil beneath has shifted.
We offer both mudjacking and polyurethane foam lifting for residential slabs in Redwood City. Mudjacking pumps a cement-and-soil mixture beneath the slab and is well suited to larger areas and deeper voids. Foam lifting uses a lightweight expanding material that cures fast, leaves smaller holes, and puts less weight on the soil - a real advantage here given how prone Redwood City soils are to compression. Both methods lift the slab from below rather than replacing it, which keeps costs significantly lower than a full pour.
Beyond the lift itself, we assess the drainage and soil conditions around your slab so you understand whether anything else needs attention to protect the repair. For slabs that have shifted badly enough to need removal before leveling work can start, we also handle slab foundation building so you get a continuous scope of work from a single crew.
Best suited to homeowners with larger slabs or deeper voids who want a cost-effective lift using a proven method.
Ideal for homeowners who want a faster cure, smaller drill holes, and a lighter material that puts less stress on Bay Area clay soils.
Recommended for homeowners whose slabs settled after wet winters, to identify water patterns that could cause re-settling.
For slabs that are crumbling or broken into multiple pieces and are beyond what lifting can fix.
Redwood City sits on clay-heavy soil that behaves like a sponge - it swells when the winter rains arrive and shrinks back during the dry summer months. That seasonal cycle puts concrete slabs through constant stress, and it is one of the most common reasons homes here develop uneven floors and sunken slabs. Many neighborhoods near downtown were developed between the 1940s and 1970s, and those older foundations have had decades to feel the effects of this movement. If your home is in that age range, it is worth having the full perimeter assessed, not just the spot that looks obviously uneven.
We work across the broader service area, including homeowners in San Carlos and Foster City, where similar soil conditions and mid-century housing stock create the same pattern of gradual settling. Wherever you are in the Peninsula, the right fix starts with an honest on-site assessment, not a phone estimate.
Tell us where the settling is, how long you have noticed it, and whether there are visible cracks or gaps. We respond within one business day and can schedule an on-site visit within a few days.
We walk the affected area with you, check the slab for level, look for cracks, and assess drainage. You get a written estimate before any work begins - no surprise charges added on the day.
If the job requires a permit through the City of Redwood City Building Division, we handle that paperwork. Once permits are in order we schedule the crew.
The crew drills small holes, pumps material beneath the slab until it returns to level, and patches the holes flush with the surface. The whole job typically takes two to eight hours.
Free written estimate. No obligation. We respond within one business day.
(650) 587-4680Redwood City's expansive clay soils are one of the main reasons slabs settle here, and we account for that in every assessment. We do not just lift and leave - we tell you whether your drainage or soil conditions need attention so the repair holds.
We will tell you if a slab is beyond lifting and needs full replacement. A contractor who recommends lifting on concrete that is crumbling or broken into multiple pieces is not saving you money - they are setting you up for a repeat call. We give you the honest picture.
Unpermitted foundation work is one of the most common surprises that complicates home sales in San Mateo County. We confirm permit requirements upfront and pull them on your behalf when needed. The California Contractors State License Board requires licensed contractors to carry workers compensation and liability insurance - we are properly licensed and insured on every job.
Most residential foundation raising jobs are done in hours, not days. You do not need to vacate your home. The crew works outside or in the garage, patches the drill holes before they leave, and cleans up the work area completely.
Foundation raising is one of the more anxious calls a homeowner makes - the word "foundation" makes most people worry about expensive, disruptive work. Our job is to show you that it does not have to be that way, with a clear process, honest scoping, and results you can see and feel the same day.
Precise saw cutting to remove damaged slab sections before new concrete or repairs can begin.
Learn MoreFull slab pours for new construction, additions, or replacement of slabs that are beyond lifting.
Learn MoreCall us today or submit a request online. We respond within one business day and can often schedule an assessment within the week.