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Cracks in your walls, sticking doors, or uneven floors are signs your foundation may be shifting. We diagnose the real cause and fix it with permitted, inspected work that holds up through Pomona's soil cycles.
Foundation repair in Pomona, CA means stabilizing the part of your home that sits on the ground and holds everything else up - most jobs involve piering, slabjacking, or crack repair, and most single-family homes are back in order within one to three days.
Pomona sits on expansive clay soil that expands when it rains and shrinks during dry stretches. That cycle puts gradual stress on foundations - and for the many homes in Pomona built in the 1940s through 1970s with shallower foundations, the movement can show up faster than you would expect. If you are also seeing deteriorating mortar on exterior masonry, our chimney repair service often goes hand-in-hand with foundation work on older homes.
The first step is always an honest assessment - not a quote for the most expensive option on the list. We walk through your home, explain what we see in plain terms, and give you a written estimate before any work begins.
If a door that used to swing freely now drags on the floor, or a window no longer latches, the frame around it has likely shifted. In Pomona, this symptom often appears in late winter after rain-soaked soil expands. It is one of the most reliable early warnings that something is moving beneath your home.
Small hairline cracks in stucco are common here and do not always mean trouble. But a crack wide enough to slip a pencil into, one that runs diagonally from a door corner, or one that has grown since you first noticed it deserves a professional look. Diagonal cracks tend to follow the direction of soil movement.
If you notice a slope in your floor that was not there before, or a section that feels soft underfoot, the structure beneath it may have shifted. In older Pomona homes with shallow foundations, this can develop gradually over years and is easy to dismiss until it becomes obvious.
When a foundation moves, the walls it supports move with it - but not always evenly. If you see a gap opening where your wall meets the ceiling, or baseboards pulling away from the floor, the structure is no longer sitting level. This is especially common in Pomona homes built before the 1980s.
We handle the full range of foundation repair needs for single-family homes in Pomona and the surrounding Inland Valley. Piering is the most common approach for homes where the foundation has sunk or shifted - we drive steel supports down through the unstable upper soil into stable load-bearing ground beneath. For slab foundations that have settled unevenly, slabjacking lifts the slab back toward level by pumping material into the void underneath. If the problem is confined to cracks - horizontal, diagonal, or vertical - we repair and seal them in a way that addresses the source of movement, not just the surface appearance.
Many foundation problems in Pomona are related to or accompanied by issues with other structural masonry elements. If your property also needs foundation block wall installation alongside your foundation work, we can assess and quote both at the same time, saving you from scheduling two separate contractors for connected problems.
Best for homes where the foundation has sunk or shifted due to unstable soil.
Restores an uneven concrete slab by lifting it back toward level from below.
Addresses cracks in walls, slabs, or footings to stop water infiltration and further movement.
Pomona sits on expansive clay soil throughout most of the city - the kind that absorbs moisture and swells in winter, then dries out and contracts through the long summer. That pattern repeats every year, and foundations in Pomona are under constant stress because of it. It is the single biggest reason foundation problems are so common here, and it is why a repair that does not account for soil behavior will not last. The older housing stock in neighborhoods like Lincoln Park, Westmont, and areas near downtown adds another layer - homes built in the 1950s and 1960s often have shallower foundations that were not designed for the kind of soil movement now understood to be normal in this part of California.
We serve homeowners across Ontario and Chino in addition to Pomona - cities that share similar soil conditions and older housing stock. If you have noticed any signs of foundation movement, the right time to get an inspection is before the next rainy season, not after.
We respond within 1 business day. You describe what you are seeing - sticking doors, cracks, uneven floors - and we schedule a free on-site visit. No commitment required.
We walk through your home and around the exterior, check floor levels, and examine any crawl space access. You get a clear explanation and a written estimate before we touch anything.
For structural work in Pomona, we handle the permit application through the City's Building and Safety Division. Permits typically take a few business days to a week to process.
Most jobs take one to three days. When the work is done, the city inspector verifies it meets code. We walk you through what was completed and what your warranty covers.
We respond within 1 business day. There is no obligation - just an honest assessment. After you submit, someone from our office will call to schedule a free on-site estimate at a time that works for you.
Foundation work in Pomona requires a building permit from the City's Building and Safety Division. We handle the application and coordinate the city inspection - so the repair is on record and defensible if you ever sell your home.
We show you exactly where the problem is and what is causing it before recommending a repair method. You will not receive a quote for work you do not need.
We work in the eastern San Gabriel Valley every day and understand how expansive clay soil behaves through Pomona's wet winters and dry summers. That knowledge shapes every repair recommendation we make.
Before any work begins, we give you a complete timeline - from permit application through final inspection. Most single-family jobs are completed in one to three days once permits are approved. You know what to expect before the crew arrives.
Foundation repair is one of those jobs where the difference between a good contractor and a poor one shows up years later. We build our process around permits, inspections, and honest assessments - because that is what protects your home and your investment, not just the repair itself. The Foundation Repair Association provides homeowner resources on what to look for when hiring a foundation contractor.
Crumbling mortar, a missing cap, or a damaged liner - chimney repairs protect your home from water damage and carbon monoxide risk.
Learn MoreWhen your property needs a solid concrete block foundation wall built from scratch, we size and engineer it for Pomona's soil conditions.
Learn MoreFoundation problems in Pomona do not fix themselves - the soil cycle means every dry summer and wet winter adds more stress. Call today or submit a request and we will be in touch within 1 business day.