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Serving Corte Madera, CA and surrounding areas. (628) 212-4120
Sticking doors, sloped floors, or cracks spreading after every wet winter? We lift and stabilize settling foundations in Corte Madera using support systems built for bay-mud soils, fully permitted from assessment to final inspection.
Foundation raising in Corte Madera lifts a home that has sunk or settled unevenly back toward its original level position by installing support piers beneath the foundation and using hydraulic equipment to carefully raise the structure - most projects take one to three days of active work on site and you can stay in your home throughout.
In Corte Madera, the most common cause of foundation settling is the expansive bay mud and clay soils found throughout the lower-lying parts of town. These soils swell every wet winter and shrink every dry summer, and that repetitive cycle gradually pushes foundations out of position over years. It is not a one-time storm event, it is an ongoing process, and a repair method that only reaches the unstable upper soil layers will not hold long-term.
If your project involves building new structural concrete to go with the repairs, foundation installation covers the full scope of new foundation construction, including grade beams and perimeter systems. Both services require the same careful permitting process through the Town of Corte Madera.
If interior doors that used to swing freely now drag on the floor or refuse to latch, your home's frame may be shifting because the foundation beneath it has moved. This is one of the most reliable early warning signs, and in Corte Madera's older ranch-style homes it often appears first after a wet winter when bay-mud soils have swelled and dried unevenly. The longer you wait, the more the frame stresses around those openings.
Hairline cracks in drywall are cosmetic and common. Diagonal cracks running from the corners of door or window frames at a 45-degree angle are different, and indicate that one part of your home is moving at a different rate than another. If you see these cracks appear or grow after a rainy season, that is a clear signal the foundation has settled unevenly beneath that area of the house.
Stand in the center of a room and pay attention to whether the floor feels level underfoot, or whether furniture slides in one direction. A visible slope, especially in a 1950s or 1960s home on Corte Madera's lower streets, often means the foundation has settled unevenly beneath it. You can test this by placing a marble on the floor and watching whether it rolls consistently toward one wall.
If a gap is opening where an interior wall meets the ceiling, or where baseboards are pulling away from the floor, different parts of the home are moving in different directions. Near the bay, this kind of separation can develop gradually over several years before becoming obvious. It is more than cosmetic, it means the frame is being stressed by what is happening underground.
Every foundation raising project starts with an on-site inspection where we assess the degree of settling, identify where it is occurring, and determine which method suits your home and soil conditions. We do not give estimates over the phone for this type of work, because Corte Madera's soil conditions vary enough between neighborhoods that a visit is required for any number to mean anything.
For homes with significant settling or those sitting on bay-mud soils in the lower parts of town, pier-based lifting systems are the most durable approach. Steel supports are driven deep past the unstable upper soil layers to reach stable ground, then hydraulic equipment gradually raises the home back toward level. For smaller sections of settled concrete like stoops or garage floors, mudjacking (also called slabjacking) pumps a slurry beneath the slab to push it back up. We recommend the approach that fits the problem, not the one that is easier to sell.
We handle the permit application with the Town of Corte Madera's Building Division, coordinate the required final inspection, and provide full documentation of what was installed and where. If your home also needs new concrete work after the lifting is complete, our slab foundation building service covers new pours as part of the same coordinated project.
Best for homes with significant settling or properties in Corte Madera's lower-lying neighborhoods where pier supports need to reach past bay-mud layers to stable ground.
Best for smaller sunken concrete areas like stoops, garage aprons, or walkway sections where the slab itself is sound but the ground beneath it has shifted.
Best for homes where settling has affected multiple sides of the structure and a single repair point would leave the rest of the perimeter unstable over time.
Best for Corte Madera homeowners whose foundation shifted or cracked following seismic activity and needs stabilization before cosmetic repairs can be made.
Corte Madera sits on the edge of San Francisco Bay, and a significant portion of the town, particularly in the flatter neighborhoods east of Highway 101, is built on bay mud and highly expansive clay soils. These soils swell when they absorb winter rain and then shrink and crack during dry summers, creating a slow, repetitive motion beneath your foundation every single year. Repair methods that work well in drier inland climates may not hold up against this seasonal cycle, and pier systems used here need to reach well below the unstable upper layers to provide lasting stability.
Many Corte Madera homes were built in the 1950s and 1960s on shallower foundations that were not designed to handle this kind of sustained soil movement. The combination of older construction and active soil conditions means foundation problems here are common, and they rarely get better on their own. Homeowners throughout Marin County, from Mill Valley to San Rafael to Larkspur, face similar conditions, and the contractors who know this area understand what those soils do to a house over decades.
The Bay Area also sits near multiple active fault systems, and local building inspectors pay close attention to whether foundation repairs account for seismic performance, not just whether the home is level. The Town of Corte Madera's permit process for structural foundation work reflects those priorities, and a contractor who has worked here before will know exactly what the inspectors look for before they arrive.
We schedule an in-person visit, walk the interior and exterior, check the foundation from the crawl space if accessible, and take measurements to determine how much settling has occurred and where. You get a written estimate, not a ballpark number over the phone. We reply to all inquiry submissions within one business day.
We submit the permit application to the Town of Corte Madera's Building Division on your behalf before any work begins. Permit review typically takes one to three weeks, and we build that into your schedule from the start so there are no timeline surprises when the crew is ready.
A few days before work starts, we tell you exactly what to prepare: removing fragile items from shelves and walls, clearing crawl space access, and moving anything in the work zone. You can stay in your home throughout the project in most cases, so disruption to your daily schedule is minimal.
The crew installs support systems and uses hydraulic equipment to gradually raise the home back toward level over one to three days. After the work is done, the town's building inspector confirms everything was installed correctly and signs off. You receive documentation of what was done, where, and the warranty terms before we leave.
We visit your property, take measurements, and give you a written estimate at no cost. No phone ballparks, no pressure, no commitment until you are ready.
(628) 212-4120The bay mud and expansive clay conditions that cause foundation settling here are well-documented, and they require specific support depths that an inland contractor may underestimate. We have worked throughout Corte Madera and the surrounding Marin communities and know how these soils behave across the wet-dry cycle.
We pull permits for every foundation project and see it through to the final town inspection. In Corte Madera, where homes regularly sell for over $1 million, an unpermitted foundation repair is a liability that follows the property. Documented, inspected work protects you now and when you sell.
We do not give foundation raising estimates over the phone. Every quote comes from a personal site visit where we measure settling, assess soil conditions, and explain the recommended approach in plain language. You know exactly what you are getting before you commit to anything.
Corte Madera sits close to the San Andreas and Hayward fault systems. Local building inspectors look at earthquake readiness when they review foundation work here, and we design our repairs with that in mind. A well-anchored pier system does more than level your home - it also improves how the structure handles ground shaking. Per USGS earthquake hazard data, the Bay Area carries significant ongoing seismic risk.
Every project we take on in Corte Madera involves the same process: an honest on-site assessment, a written scope, permitted work that passes inspection, and documentation you can file with the title. We work with homeowners who have been watching their foundation symptoms worsen for years and want a fix that actually holds in Marin County's conditions, not one that looks right until the first wet winter comes through.
New foundation systems for additions, ADUs, and structures that need a complete perimeter and grade beam installation from the ground up.
Learn moreFull-depth concrete slabs with vapor barriers and seismic reinforcement for new construction on Corte Madera lots with variable soil conditions.
Learn moreEvery wet season that passes puts more stress on a settling foundation. Get a free on-site assessment this week and know exactly what you are dealing with before the next rainy season arrives.