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Serving Upland, CA and surrounding areas. (909) 755-8985
Cracks, settling, and sticking doors are stressful. We diagnose the real cause, give you a straight answer, and fix it right - with a permit and a warranty.
Foundation repair in Upland, CA means stabilizing a home whose base has cracked, settled, or shifted - most jobs involve driving piers into stable soil or lifting a slab with injected material, and most residential repairs are completed in one to three days. Upland Concrete & Masonry has worked on homes throughout the Inland Empire and understands how Upland clay soil behaves differently than what contractors expect in other parts of California.
The biggest mistake homeowners make is waiting. A hairline crack that costs a few thousand dollars to repair today can become a structural problem that costs several times more if ignored for a year or two. If you are also seeing exterior masonry damage near your foundation, our foundation block wall installation service often pairs with foundation repair to address both at once.
Every job we do in Upland is permitted, inspected, and backed by a written warranty. That documentation matters when you sell - unpermitted structural work can stop a sale in its tracks.
A door that used to swing freely but now drags on the floor, or a window that no longer opens smoothly, suggests your home's frame is shifting. In Upland, this symptom often worsens after a dry summer when the clay soil beneath the home has shrunk and pulled away from the foundation.
Diagonal cracks in drywall or plaster - especially starting at the corner of a door frame or window - are one of the clearest signs of foundation movement. Vertical cracks can be normal settling, but diagonal ones usually mean one part of the foundation is moving more than another.
Walk around the outside of your home and look at the concrete or masonry near ground level. Cracks wider than a quarter inch, or cracks with a step-like pattern in brick or block, suggest the foundation below has shifted. Given Upland's clay soil, these deserve a professional look rather than a patch with caulk.
If a floor slopes noticeably toward one side of a room, or a spot feels soft underfoot, the structure below may have settled unevenly. This is especially common in older Upland homes where the original foundation was not designed to handle decades of soil movement. A marble or level confirms quickly whether your floor is actually out of level.
Not every foundation problem requires the same fix. The most common repair method in Upland is a pier system - steel or concrete piers driven down into stable soil beneath the home to stop settling and, in many cases, restore the foundation closer to its original position. This works especially well in areas of Upland where clay soil has pulled away from the foundation over multiple dry seasons. We also handle slab lifting using injected material for homes where the concrete slab itself has dropped or shifted unevenly.
Beyond structural repairs, we handle crack injection and surface sealing for homes where the damage is cosmetic or caught early. Homes that have experienced foundation movement often show damage in nearby chimney masonry as well - diagonal movement in a foundation can crack the mortar joints in an attached chimney. We assess both during the same site visit so nothing gets missed.
Best suited for homes with active settling, where stable soil is needed below the affected area.
Ideal for slabs that have dropped or tilted unevenly without significant structural damage.
Appropriate for early-stage cracks where structural movement has stopped or is minor.
Upland sits on clay-heavy soil that behaves in a predictable but punishing way - it swells when the winter rains arrive and shrinks significantly during the long dry summers. That cycle, repeated year after year, is the single biggest driver of foundation cracking and settling in this part of the Inland Empire. A contractor who does not account for local soil conditions when designing your repair is likely to give you a fix that does not hold through the next weather cycle. We know Upland soil, and every repair we recommend is designed for it.
The seismic factor is real here too. Upland sits near several active fault zones, and even moderate shaking can widen existing cracks and accelerate settling that was already underway. Homeowners in Rancho Cucamonga and Ontario deal with the same soil and fault conditions, and we serve those communities as well. The California Geological Survey maintains detailed information on expansive soil hazards throughout the region, and it confirms what we see in the field every week.
We respond within 1 business day. When you call, we ask a few questions about what you have noticed - cracks, sticking doors, uneven floors - and schedule a free on-site inspection. No pressure, no commitment required.
We walk around the exterior, inspect the foundation from every angle, and check crawl spaces if accessible. At the end, we explain exactly what we found and what we recommend - in plain terms, not jargon.
You receive a written quote spelling out scope, number of supports, and warranty. Once approved, we apply for the required City of Upland building permit. Permit processing typically takes a few days to a couple of weeks.
The crew works from outside in most cases - most jobs take one to three days. After completion, the city inspector signs off, we walk you through the work, and you receive your warranty paperwork to keep with your home records.
We respond within 1 business day - no obligation, no pressure. After you submit, someone from our office calls to schedule a free on-site estimate at a time that works for you.
(909) 755-8985We pull the required City of Upland building permit on every structural job. That means a city inspector independently verifies the work - which protects you, documents the repair, and removes a potential obstacle if you ever sell.
Some contractors quote enormous repair bills for problems that turn out to be minor. Our inspection tells you honestly what is happening under your home - and if the issue is small, we say so, even if it means a smaller job for us.
A repair designed for generic soil is not a repair designed for Upland. We have worked on foundations across this part of the Inland Empire and understand how seasonal moisture and seismic activity affect repair design here specifically.
Our warranty follows the house, not just the current owner. If you sell your Upland home, the coverage transfers to the buyer - which removes a common negotiating point and gives you something concrete to show during the sale process.
The California Contractors State License Board lets you verify any contractor license in about two minutes. We encourage you to check before hiring anyone, including us. What sets us apart is not just credentials - it is how we work with homeowners to make the process clear, documented, and free of surprises.
Foundation movement often causes diagonal cracks in chimney mortar - we inspect both during the same visit.
Learn MoreWhen a foundation repair includes rebuilding a damaged block wall, this service handles the structural masonry work.
Learn MoreFoundation problems in Upland's clay soil never stay the same size - call now for a free on-site estimate and a straight answer about what your home actually needs.