Malibu's $60M Hillside Mansions Are Sliding Down — And California Won't Help

If you drive up Malibu Canyon Road on a morning after heavy rain and look left toward the hillside, you will see something that most drivers never notice. Glass houses. They look down over the valley with infinity pools, stacked terraces, and floor-to-ceiling walls of glass. A few of them have been listed for 40 million dollars. Others have crossed 60 million dollars. One property on Stokes Canyon Road was listed at 72 million dollars in 2022, a record for Malibu Hillside Real Estate at the time. But what makes these houses shocking is not the price. It is the foundation. Step out of your car and look closely at the point where the house meets the hill. You will see cracks running along the retaining walls. You will see drainage pipes shifted out of their original position. You will see fences leaning toward the valley at an angle no architect ever intended. And if you knock on the door and ask the owners, many of them will tell you the same thing. The house is moving. Not in a single dramatic collapse. Not overnight, but millimeter by millimeter, season by season, year by year. And when they call California to ask what they are supposed to do about it, the answer they receive is usually some version of bureaucratic silence. This is the story of the millionaires and billionaires living inside 60 million dollars homes on the hillsides of Malibu, and why the state of California cannot do anything to help them. Before we get into how Malibu got here, a quick question for you. If you enjoy deep dives into engineering failures, doomed megaprojects, and the dark side of luxury real estate, hit that subscribe button right now. It costs you nothing. It helps the channel grow, and it means you will not miss the next video. Now, let's get into it. To understand why 60 million dollars homes are sliding, you first have to understand how Malibu was built, and more importantly, when. For most of its history, this stretch of land was one enormous private ranch. The Reinge family fought for decades to keep a public road off their property. They lost. The Coast Highway opened along the shore in the late 1920s, and everything else followed. But while Carbon Beach and Broad Beach drew oceanfront houses, a quieter wave of development was creeping up the hillsides above the highway. Through the 1950s and 1960s, Los Angeles County approved subdivision of land on the slopes north of Pacific Coast Highway. The land was cheap. The views were extraordinary. The air was cleaner than anything you could find closer to the city. The first houses rose on hillsides with unobstructed sightlines across the Pacific, out to Catalina Island, and over the Los Angeles skyline on clear afternoons. Nobody asked many questions about the geology, and here is why that mattered more than anyone realized at the time. The decades when Malibu's hillsides were developed happened to be unusually calm, below average rainfall, quiet storm seasons, dry, stable slopes. A person building a house in 1962 had no rational reason to believe that the ground underneath it was anything other than permanent. Then 1978 arrived. Then 1980. Then 1983. El Nino patterns brought record rainfall to Southern California, and the hillsides that everyone assumed were solid began revealing what they had always been. Because underneath those glass houses, underneath those infinity pools, underneath those marble terraces, there is no granite bedrock. There is no solid limestone. There are weak layers of marine shale and sandstone, tilted toward the ocean, threaded through with ancient slide plains that healed over thousands of years but never fully disappeared. And in 2025, after one of the most destructive wildfire seasons in recent California history followed immediately by record-breaking winter rains, those old wounds began to open again. Here is how a hillside actually works. A hillside is not a rigid object. It is a system in balance. Gravity pulls everything downward constantly. What holds it in place is friction. The bond between soil particles, between soil and rock, between different geological layers stacked on top of one another. What destroys that friction is water. When rain soaks into the ground, it fills the spaces between particles. Pressure builds. Layers of soil begin to slide against each other the way wet sheets of paper slide apart on hillsides that already contain ancient slide plains, which describes most of the hills above Malibu. This does not produce a sudden collapse. It produces what geotechnical engineers call creep. Slow, continuous movement, invisible to the naked eye on any single day but measurable across months and years. And in Malibu, the problem is not just natural rainfall. Every house on those hillsides adds at least one artificial water source. Irrigation systems feeding the manicured gardens that appear in every listing photo. Swimming pools whose underground plumbing developed slow leaks over decades. And in older neighborhoods. Neighborhoods developed before the city extended its sewer lines up into the hills. Septic tanks. Dozens of them. In some areas, hundreds. Each one pumping wastewater directly into the hillside year after year, decade after decade. Does that sound familiar? It should. Because in 1983, this exact mechanism caused Big Rock Mesa to begin moving. Approximately 280 homes on a hillside overlooking Pacific Coast Highway started sliding slowly toward the highway. Foundations cracked. Driveways split down the middle. Doors stopped closing. Underground pipes sheared off at their joints. The Big Rock Mesa Improvement District was formed in December 1983 with a budget of $4.8 million. They installed pumps. They pumped groundwater out of the hillside. And they have been pumping ever since. For more than 40 years. The Big Rock Mesa Landslide Maintenance District still exists today. The city of Malibu still publishes an annual geological report for the area. Residents still pay an annual assessment. The pumps are still running. The hill was never fixed. It was only paused. Now add four more decades of development to that equation. Add larger homes with heavier structural loads. Add bigger pools. Add more elaborate landscaping with more intensive irrigation. Add more intense rainfall driven by a changing climate. And add wildfire. Because after a fire burns away, the vegetation on a slope, the root systems that held the soil in place are gone. The surface layer becomes hydrophobic and water that would have soaked in now sheets straight down the slope as mud. In January 2025, the Palisades fire destroyed more than 700 homes in Malibu. When the winter rains arrived weeks later, the bare, unprotected hillsides above the burn zones became moving rivers of debris and the $60 million glass houses that survived the fire. The ones sitting on the slopes just outside the burn perimeters began moving in a direction that no one wanted them to move. Downhill. The first question every homeowner asks when they realize their house is moving is the obvious one. What can I do? And the answer, it turns out, depends less on the severity of the problem and more on the birth year of the house itself. In 1976, California passed the Coastal Act, creating the California Coastal Commission. The law took effect on January 1st, 1977. Keep that date in your head. Because for homeowners on Malibu's hillsides, that date matters more than the day they bought their property. More than the day they were born. More than almost any other date in their lives. Here is why. The California Coastal Commission holds broad authority over construction and modification of properties within the coastal zone, which includes the ocean-facing hillsides of Malibu. And for decades, when the commission approved new construction, it routinely required owners to sign an agreement. If the property ever needed to be protected from erosion or geological movement in the future, the owner waived the right to install permanent protective infrastructure. What does that mean in practice? If your house was built or substantially remodeled after 1977, and most of the $60 million homes selling today were, you may have no legal right to construct retaining walls, soil anchors, or any other permanent slope stabilization system without special approval from the commission. And the commission, as many owners have discovered after it was too late, reads the law in a very specific way. One documented case. A homeowner on Ensignal Canyon Road proposed a deep anchor system. Essentially long steel rods drilled into the hillside to pin the slope in place against its existing slide plane. Estimated cost, $2.3 million. Time to process the permit application, 14 months. Outcome, denied, on the grounds that the structure would alter the natural character of the slope and set a precedent for neighboring properties. In those 14 months, his house moved an additional four inches toward the valley floor. Another case, closer to central Malibu. A couple purchased a home in 2019 for $38 million on a hillside with Pacific Ocean views. They commissioned a geological survey before closing. The report noted minimal movement three rainy seasons later, including the record rainfall of February 2024. Their pool had tilted enough for water to pool visibly on one side. Their driveway had cracked along a 45 degree diagonal. And when they hired an attorney to explore their options, the attorney's first question was straightforward. What year was the house built? After 1977. Potentially subject to a waiver. They spent the following 18 months and over $400,000 in legal fees seeking permission to stabilize the slope beneath their home. As of the time of this video, they have not received a final answer. But here is the part that most people outside Malibu never hear. Even when a homeowner is granted permission to act. Even when they are fortunate enough to own a pre-1977 structure, or patient and wealthy enough to outlast the administrative process. The remedies available to them typically address symptoms rather than causes. You can stabilize one specific slide plane. You cannot change the fundamental geology of an entire hillside. You can drill anchors into the shale. But if that shale is still being saturated by water from your neighbor's irrigation systems and pools, systems you do not control, then your anchors are an expensive temporary measure inside a system that is slowly and continuously changing around them. Homeowners on Malibu's hillsides have three choices. Pay engineers to propose solutions that may never receive approval. Pay attorneys to fight an agency that has just won in the None of those options stops the movement. But this story is not simply about wealthy homeowners struggling with expensive real estate problems. It is about a regulatory system designed to protect a coastline. One that is now attempting to apply rules written in 1977 to a geological reality that is changing faster than anyone in 1977 predicted. The Coastal Commission is not wrong to worry about If you permit one homeowner to build a large retaining wall, you are implicitly signaling to every neighboring property owner that they may do the same. And if enough people do, the entire drainage and load-bearing character of the hillside changes. Water flows differently. Soil pressure shifts. What stabilizes section A may destabilize section B. That is physics, not politics. But from the perspective of homeowners watching their pool decks tilt, their wall cracks widen, and their property values evaporate. That is not a comforting explanation. Add another layer of complexity. After the January 2025 wildfires, California accelerated certain permitting processes for fire reconstruction. But for hillside properties that did not burn. Properties whose geological problems were actually worsened by post-fire rainfall sheeting off bare, unprotected slopes. There is no expedited pathway. There is no emergency mechanism that distinguishes between a hillside and slow creep and a building that collapsed overnight. The city of Malibu operates on approximately $86 million in annual revenue. That is less than the listing price of some of the homes its residents own. The city does not have the resources to deploy comprehensive engineering solutions across dozens of problem hillsides. The state of California has those resources. But its priorities lie elsewhere. And the Coastal Commission, with all of its authority, was not designed as an emergency response agency for slow-motion geological failure. It was designed as a regulatory body to prevent overdevelopment of the coastal zone. The result is a gap. Between what is happening on those hillsides and what the system was built to address, there is a gap wide enough for a $60 million house to slide through. So what comes next? The increasingly common answer is to sell to a buyer who has not read the geological reports. The Malibu hillside market is still active. There are buyers. They are often people arriving from elsewhere, people who see the Pacific views and the California sunsets at a price that is high but still below what comparable luxury commands in their home market. They sign purchase agreements without commissioning an independent geotechnical assessment. They do not know the specific questions to ask. And in many cases, they do not know that those questions exist. Because sellers are not required to disclose, my house is moving as a material fact. Particularly when the movement is measured in inches rather than feet and has not yet produced structural damage severe enough to be classified as uninhabitable. Buyers who do know the right questions hire specialists. Today, any competent coastal land use attorney will advise a prospective Malibu hillside buyer to commission a full geotechnical report from a licensed engineering geologist. Verify whether the property sits within a zone of documented historical movement. Check whether any coastal commission waivers have been recorded against the title and obtain an estimate of ongoing maintenance costs for any existing pump or stabilization systems. That sounds reasonable. But the percentage of buyers who complete all of those steps before signing a $60 million purchase contract is surprisingly low. Insurance is another failing front. Following the Palisades fire, several of California's largest insurers have reduced or entirely exited the market for new policies in Malibu. Those still writing coverage are quoting premiums three to five times higher than they were in 2020. And critically, geological movement is typically excluded from standard homeowner policies. You need a separate endorsement, which is expensive and increasingly difficult to obtain. This means a homeowner with a $60 million sliding house may be facing a situation in which they cannot fix it because California will not approve the necessary work, cannot insure against the damage because their policy excludes geological movement, cannot sell it at a fair price because informed buyers will discount the risk, and cannot rely on the city or the state to solve the problem for them. Four dead ends, simultaneously. The tragedy of Malibu's hillside mansions is that it did not have to be this way. The science of these is not a mystery. We know how to build responsibly on unstable ground. You conduct thorough geological surveys before approving development. You require proper drainage and wastewater infrastructure from the beginning. You set density limits so that no single hillside carries too much weight or too much water. You establish mandatory maintenance funds so that problems are addressed early rather than allowed to compound across generations. Malibu did the every decision point. It developed hillsides during a period of unusual calm that it mistook for permanence. It permitted septic systems instead of requiring centralized sewer lines. It approved increasingly large and heavy homes on slopes that were growing less stable with every decade. And then, when the Coastal Act arrived, it imposed restrictions that, however well-intentioned in principle, contained no mechanism for distinguishing between a homeowner trying to save their house and a developer trying to armor an entire coastline. The homeowners blame the commission for blocking protective measures. The commission blames the homeowners for building on slopes that should never have been developed. Future buyers blame sellers for inadequate disclosure. Sellers blame the market for mispricing the risk. And the geologists who study these hills keep publishing reports that everyone references and no one acts on. Everybody is right. And none of it stops the houses from moving. You can pay $60 million for a glass house on a Malibu hillside. You can hire the best geotechnical engineers in the world. You can spend hundreds of thousands of dollars on attorneys navigating a regulatory system that was not designed to move quickly. But you cannot purchase geological stability from a slope that has already decided to travel. You cannot negotiate with gravity. And when you build $60 million glass mansions on layers of weak marine shale beneath a hillside saturated by along a road that closes every time it rains hard. Eventually, the geology catches up with you. And the most unsettling part? The rain is getting heavier. The fires are getting more frequent, leaving steeper slopes stripped of the vegetation that held them together. The water table under these hills has been rising for decades and nothing about the next 10 years suggests it will reverse. If these houses moved three inches last season, what do these slopes look like in 10 years? In 20? When the maintenance funds run dry and the next wave of buyers asks why nobody warned them. Nobody knows. And right now, the people with the most money in the world are quietly trying to decide whether to stay and find out. So what do you think should happen to Malibu's hillside mansions? Should the state create a faster path for homeowners to protect their properties? Even if it sets a precedent for further development on unstable ground? Or did the people who paid $60 million for houses on moving slopes get exactly what they paid for? Let me know in the comments below.