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Serving Fontana, CA and surrounding areas. (909) 587-5725
Fontana's clay soils shift with every season. When your foundation cracks or settles, we diagnose the real cause and fix it right - with permits, inspections, and a written warranty.
Foundation repair in Fontana addresses cracked, settling, or shifting concrete bases - most jobs take one to three days depending on the scope and number of piers required. FMA Fontana Masonry has worked on foundations across the Inland Empire and understands what Fontana's clay-heavy soil does to structures over time.
When your foundation moves, the whole house feels it. Doors that stick, floors that slope, walls with diagonal cracks near window corners - these are not random. They are your home telling you the ground underneath has shifted. The question is whether it is still moving or whether it has settled into a new position, and that distinction changes what the repair looks like.
If you are also noticing deteriorating masonry on the structure itself, our foundation block wall installation service addresses the structural masonry side of the same problem. Both are worth evaluating together during an assessment.
If a door that swung freely now drags or a window that opened easily now jams, your home's frame may be shifting. In Fontana, this often happens in late fall when the first rains swell the dry summer soil and push against the foundation. It is one of the earliest and most reliable early signals.
Diagonal cracks running from the corners of door frames or windows are a common early sign of foundation movement. Stair-step cracks in brick or block, where the crack follows the mortar joints in a zigzag pattern, are especially worth taking seriously. These differ from small hairline cracks that come from normal seasonal changes.
If a ball rolls on its own across your floor, or you notice a clear slope walking room to room, your foundation may have settled unevenly. This is more common in Fontana homes on clay-heavy soil, where one section can sink while another stays put.
Separation between the wall and ceiling, or between the baseboard and the floor, means parts of your home are moving in different directions. In older Fontana homes from the 1970s and 1980s, this can indicate soil movement building up for years.
Every foundation repair starts with a proper diagnosis. We do not recommend a repair method until we understand what caused the problem - whether that is soil movement, water intrusion, or a combination of the two. Common repairs include crack sealing to keep water out, pier installation to stop and reverse sinking, and lifting sections of a foundation that have dropped. For homes where the structural masonry below grade has failed, we also provide foundation block wall installation to rebuild that load-bearing base correctly.
All structural repairs in Fontana require a city permit, and we handle that process. An independent city inspector reviews the finished work before we hand over your warranty documentation. This matters not just for quality assurance - it matters for your home's resale value and insurability down the road.
For foundations with water intrusion but no structural movement.
For foundations that are actively sinking or have settled unevenly.
For sections of a home that have dropped and need to be raised back into position.
For below-grade masonry walls that have cracked, bowed, or failed structurally.
Fontana sits on clay-heavy soil that absorbs water and expands, then dries out and contracts. The city's summers are extreme - temperatures regularly climb above 100 degrees, which pulls moisture out of the soil dramatically. When winter rains arrive, that dry soil absorbs water fast and swells. That seasonal cycle is harder on foundations than a more consistent coastal climate, and it is the main reason foundation problems are genuinely more common here. Homes built during the rapid growth of the 1970s through 1990s often used soil preparation practices that would not meet today's standards, which means many Fontana properties are dealing with problems that have been building for decades.
We work across the Inland Empire, including in Rialto and San Bernardino, where similar soil conditions create the same challenges. The Inland Empire also sits near active fault systems, and even minor seismic activity can widen existing cracks or shift a foundation already under stress from soil movement - another reason small problems here deserve attention sooner rather than later.
We ask what you are seeing and schedule an on-site visit. Most foundation contractors offer free assessments, so there is no cost just to get an expert opinion. We respond within 1 business day.
We walk the exterior, check the interior for movement signs, and inspect any accessible crawl space. You get a plain-language explanation and a written estimate - no pressure to sign anything on the spot.
For structural repairs in Fontana, we apply for the building permit through the city. This typically takes a few days to two weeks. We handle it - you do not have to make any calls.
Most jobs take one to three days. After the work, a city inspector verifies it meets code. We then provide written documentation and your warranty. Keep those documents somewhere safe.
We respond within 1 business day. There is no obligation - just a clear picture of what is going on with your foundation and what it would take to fix it. After you submit, someone from our office calls to schedule a free on-site estimate at a time that works for you.
(909) 587-5725We pull the permit and coordinate the final inspection with the City of Fontana Building and Safety Division. An independent inspector - not us - verifies the work was done correctly. That record protects you now and when you sell.
Our repairs come with a written warranty that transfers to the next owner. Buyers and their inspectors will ask about prior foundation work. A transferable warranty turns that conversation from a liability into a selling point.
We work in Fontana and surrounding Inland Empire cities every week. We know the clay soil conditions, the local permit process, and how Fontana's climate cycles affect foundations differently than coastal areas.
We respond to every inquiry within 1 business day. Free written estimates break down exactly what work is needed and why - no vague line items, no pressure to sign on the spot. California law requires contractors to provide written contracts for work over $500.
Fontana homeowners dealing with foundation issues for the first time often tell us they wish they had called sooner. Early repairs are smaller, cheaper, and faster. If you are watching a crack and wondering whether it is serious, the free assessment removes the guesswork.
Repair cracked mortar, damaged liners, and failing chimney crowns before water and weather cause structural damage.
Learn moreRebuild below-grade masonry walls that have cracked, bowed, or failed to restore structural integrity at the base of your home.
Learn moreFoundation problems in Fontana do not fix themselves - every season of clay soil movement makes them harder to repair. Call today for a free on-site assessment.