Carlsbad's Tamarack Beach erosion: what nearby homeowners should inspect before winter

Tamarack State Beach in Carlsbad lost most of its sand in a matter of weeks this summer. Hurricane Genevieve's swells in early August 2026 stripped the beach down to rocks, severely damaged the parking lot, forced lifeguard towers to be relocated, and left riprap boulders in unstable positions. By Labor Day weekend, the beach that hundreds of thousands of visitors used every year was effectively gone.

This happened less than two years after 400,000 cubic yards of dredged sand was placed on the beach in a replenishment project completed in February 2025. The sand lasted about 18 months before the ocean took it back.

For homeowners near Tamarack and along the Carlsbad coastline, the erosion isn't just a beach access issue. When the sand disappears, the ocean reaches further inland. Waves that used to break on a wide sand beach now crash directly against riprap, seawalls, and the base of coastal bluffs. That changes the erosion dynamic for everything behind the beach: the bluffs, the infrastructure, and the properties above them.

With NOAA projecting a very strong El Niño for the 2026 to 2027 winter season (bringing above-normal rainfall and elevated surf to San Diego County), the erosion that started this summer could accelerate significantly. If you own property near the coast in Carlsbad, Encinitas, Solana Beach, or Del Mar, now is the time to evaluate your home's condition before winter storms compound the damage.

What beach erosion means for nearby properties

Beach sand isn't just recreational space. It's a natural buffer that absorbs wave energy before it reaches the infrastructure behind it. When the sand is gone, wave energy transfers directly to whatever is next in line: riprap, seawalls, bluffs, parking lots, roads, and eventually, the properties above the bluffs.

For homeowners on or near coastal bluffs, the loss of beach sand increases the rate of bluff erosion. Bluff retreat in San Diego County is a well-documented process that has been measured in feet per year in some locations. When beach sand is present, wave energy is dissipated across the sand surface before reaching the bluff base. When the sand is gone, waves undercut the bluff directly, accelerating the process.

Bluff edge instability creates a direct risk to properties near the edge. State Parks noted that bluff edges near Tamarack have drop-offs approaching 8 feet in some locations. For properties set back from the edge, the concern is longer-term: progressive bluff retreat that reduces the buffer between the property and the edge.

Coastal erosion also affects infrastructure that properties depend on: roads (Carlsbad Boulevard runs along the coast), utilities (water, sewer, and electrical lines running along or across the bluff), and stormwater systems that discharge through the bluffs to the beach.

Foundation and grading evaluation

Properties near the coast should have their foundation and grading conditions evaluated before the winter season, particularly when nearby beach erosion has changed the local drainage and erosion dynamics.

What to check: Walk the property's perimeter and look for new cracks in the foundation, slab, or exterior walls. Check the grading around the foundation to verify soil slopes away from the house. Look for signs of soil settlement, especially on the seaward side of the property. Check retaining walls for movement, cracking, leaning, or drainage problems (wet soil behind a retaining wall indicates the drain system may be blocked or absent).

For properties on slopes or near bluffs, evaluate whether any visible erosion has occurred on the property itself. Soil loss around the foundation, exposed footings, or newly visible root systems all indicate active erosion that may need professional evaluation.

If the property sits above a coastal bluff and you notice new cracking in the ground surface between the home and the bluff edge, or if the distance between the home and the edge appears to have decreased, consult with a geotechnical professional before the winter storms arrive.

Drainage: where most coastal property damage starts

Drainage is the connective tissue between weather events and property damage. Rain that falls on and around the home needs to be directed away from the foundation, away from slopes, and into drainage systems that carry it to an appropriate discharge point.

What to check: Gutters and downspouts should be clear and functional. Downspouts should discharge water well away from the foundation (not against it). Surface grading should direct water away from the structure on all sides. Any French drains, area drains, or catch basins on the property should be clear and functional.

For properties on slopes, check that any terracing, swales, or drainage channels are intact and directing water appropriately. During heavy rain, water that runs uncontrolled across a slope can erode soil, undermine retaining walls, and deposit sediment against the foundation.

Properties near the Carlsbad coast should pay particular attention to stormwater systems. If the erosion at Tamarack has affected any stormwater outfalls or drainage infrastructure near your property, the capacity of the system to handle winter rainfall may be compromised.

Stucco and exterior seals

Coastal properties face accelerated exterior deterioration from salt air, UV exposure, and moisture cycling. Stucco cracking, failed sealant around windows and doors, and deteriorated flashing create pathways for water intrusion during rain events.

What to check: Walk the exterior and check sealant condition around every window and door. Look for cracking patterns in the stucco, particularly around openings and at material transitions. Check the weep screed at the base of stucco walls (soil and mulch should not be touching or covering it). Look for staining below windows, at wall-to-roof transitions, and at any point where different materials meet.

For coastal Carlsbad properties, salt air corrosion affects metal flashing, fasteners, and exterior hardware faster than inland locations. Corroded flashing around roof penetrations, wall-to-roof transitions, and above windows can fail during heavy rain, allowing water into the wall assembly.

Roof and moisture defense

The roof is the first line of defense against both rain and the coastal conditions that degrade building materials. Before winter, a roof evaluation identifies conditions that could become water entry points during sustained rainfall.

What to check: Roofing material condition (cracked, curled, or displaced materials), flashing around all penetrations (vents, pipes, skylights, chimneys), gutter condition and attachment, and flat roof drainage (for properties with flat or low-slope roofs).

For properties near the coast, check for corrosion on metal flashing and roof components. Salt air accelerates metal deterioration, and corroded flashing is one of the most common sources of roof leaks during rain events.

Retaining walls: the critical infrastructure

Many Carlsbad properties (and coastal properties throughout San Diego County) rely on retaining walls to support grade changes between the street, the home, and the slope beyond. Retaining walls are structural elements that perform under pressure, and when their drainage systems fail, that pressure builds.

What to check: Walk the face of every retaining wall on the property. Look for new cracks, leaning, bulging, displaced blocks, or mortar deterioration. Check for weep holes in the wall face (these are the drainage outlets that relieve hydrostatic pressure behind the wall) and verify they're not clogged. Look at the soil behind the wall for signs of saturation, settlement, or movement.

A retaining wall that shows signs of distress before the winter rains is a retaining wall that may fail during them. Hydrostatic pressure from saturated soil behind a wall without functional drainage is one of the most common causes of retaining wall failure. If you notice signs of movement or drainage problems, consult with a structural or geotechnical professional before the wet season.

Crawl space and moisture management

Crawl spaces in coastal Carlsbad homes are susceptible to moisture problems from both above (rain intrusion) and below (rising water table and soil moisture). Before winter, evaluate the crawl space for current conditions so you have a baseline and can detect changes.

What to check: Look for standing water or signs of past water accumulation. Check the vapor barrier (if present) for tears, displacement, or gaps. Evaluate ventilation (are vents clear and functional?). Check visible framing for moisture staining, wood deterioration, or signs of organic growth. Note the condition of any plumbing that runs through the crawl space.

For properties near the coast where the water table may be influenced by ocean levels and seasonal rainfall, crawl-space moisture conditions can change significantly between dry and wet seasons. Establishing the current condition before winter gives you a reference point for monitoring.

Seawalls and coastal protective structures

Some Carlsbad coastal properties have seawalls, riprap, or other protective structures between the property and the ocean. These structures absorb wave energy that would otherwise reach the bluff or property directly. But they're not permanent, and they're affected by the same erosion forces that stripped Tamarack's sand.

What to check: If your property has a seawall, riprap, or other coastal protection, evaluate its visible condition. Look for cracking, displacement, undermining at the base, and changes in the position of the structure relative to the waterline. Riprap that has shifted (as happened at Tamarack) may no longer provide the protection it was designed for.

If you notice changes in your coastal protective structure, consult with a coastal engineer. These structures operate under specific design assumptions about wave energy, sand levels, and tidal conditions, and when those conditions change (as they have this summer), the structure's performance changes too.

For properties without protective structures that rely on the beach and bluff as natural buffers, the loss of beach sand at Tamarack is a direct indicator that those natural buffers are less protective than they were six months ago.

Monitoring: establish a baseline now

One of the most valuable things a coastal property owner can do before winter is establish a documented baseline of the property's current condition. An inspection provides that baseline: photos and descriptions of the foundation, retaining walls, grading, drainage systems, exterior condition, and any coastal protective structures.

When winter storms arrive and conditions change, having a pre-storm baseline allows you to identify new damage (versus pre-existing conditions), document changes for insurance purposes, prioritize post-storm repairs based on what actually changed, and track progressive conditions (like erosion or retaining wall movement) over time.

This is especially important for insurance purposes. If you file a storm-damage claim, the carrier will want to distinguish between damage caused by the covered event and pre-existing conditions. A documented inspection report from before the storm establishes that distinction.

What the El Niño forecast means for Carlsbad

NOAA is projecting a very strong El Niño for the 2026 to 2027 winter season, with above-normal rainfall expected from December through March. For Carlsbad and the North County coast, this means larger and more frequent surf events (continuing and potentially exceeding the erosion that Hurricane Genevieve started), above-normal rainfall that tests drainage, grading, and building envelope integrity, elevated coastal flood risk from the combination of high surf, high tides, and storm surge, and sustained moisture conditions that can saturate soils, stress retaining walls, and create crawl-space moisture problems.

The erosion at Tamarack Beach is a preview. The sand that was supposed to protect the coast is already gone. The winter waves will arrive without that buffer, and the properties behind the beach will bear the exposure.

How we help Carlsbad homeowners prepare

Our inspections evaluate every component discussed in this article: foundation condition, grading and drainage, stucco and exterior seals, roof condition, retaining walls, and crawl-space moisture. For coastal Carlsbad properties, we pay particular attention to the conditions that salt air and coastal exposure create.

We also offer mold evaluation for situations where moisture conditions have led to concerns about organic growth, and we can coordinate with other specialists when the inspection identifies conditions that warrant geotechnical, structural, or engineering evaluation.

Visit our residential services page for details on what our inspections include.

Schedule your inspection or call us at (858) 707-7066.

Frequently asked questions

Q: How does Tamarack Beach erosion affect nearby homes?

When beach sand erodes, wave energy reaches further inland, accelerating bluff erosion, stressing coastal infrastructure, and increasing the risk of damage to properties near the coast. The loss of the sand buffer means waves interact directly with riprap, seawalls, and bluff bases instead of being absorbed by the beach.

Q: Should I get a home inspection before winter if I live near the coast?

A pre-winter inspection identifies drainage, roof, foundation, retaining wall, and building envelope conditions that could become problems during sustained rainfall and elevated surf. For coastal properties, this evaluation is particularly valuable given the El Niño forecast for the 2026 to 2027 winter.

Q: What should I check first on a coastal property before winter?

Start with drainage: gutters, downspouts, grading, and any drainage systems on the property. Then check the roof for damage or deterioration. Evaluate stucco and exterior seals. Inspect retaining walls for signs of movement or drainage failure. And check the crawl space for current moisture conditions.

Q: Is the erosion at Tamarack Beach going to get worse?

NOAA's El Niño forecast suggests that above-normal surf and rainfall events are likely this winter. The sand that was placed on Tamarack Beach in the 2025 replenishment project has already been stripped away, leaving the coast without its primary wave-energy buffer. Winter conditions could accelerate the erosion that began during Hurricane Genevieve's swells.

Q: How does El Niño affect coastal property?

Strong El Niño events bring higher surf, elevated tides, increased rainfall, and more frequent storm events. For coastal properties, this means greater erosion risk, more wave energy reaching infrastructure and bluffs, higher drainage demands, and sustained moisture conditions that test building envelope integrity.

Q: What are the signs of erosion affecting my property?

Visible soil loss around the foundation, exposed footings, new cracks in the slab or foundation walls, retaining wall movement, saturated soil against the foundation, and changes in the distance between your property and a nearby bluff or slope edge. Any of these conditions warrants professional evaluation.

Q: Does coastal erosion affect home insurance?

Coastal erosion and its associated risks (flooding, bluff failure, foundation damage) can affect insurance availability, coverage terms, and premiums. Homeowners in coastal areas should review their policies to understand what is and isn't covered, particularly for flood and earth-movement events.

Q: Should I get a retaining wall inspection before winter?

If your property has retaining walls, especially on slopes or near the coast, evaluating their condition before winter is important. Walls with blocked drainage, cracking, or movement are at higher risk of failure when soils become saturated during sustained rainfall.

Q: How do I know if my property is at risk from bluff erosion?

Properties on or near coastal bluffs should consider their setback from the bluff edge, the rate of historical bluff retreat in the area, the condition of any protective structures (riprap, seawalls), and the current state of the beach below. If you have concerns about bluff stability, consult with a geotechnical professional.

Q: Can I get sandbags to protect my property?

San Diego County typically offers free sandbag stations during the wet season. Monitor the County's emergency preparedness resources for locations and availability as the winter approaches.

Final thoughts

The erosion at Tamarack Beach is visible and dramatic. But for homeowners along the Carlsbad coast and across San Diego County's coastal communities, the real concern is what's less visible: the drainage conditions that fail during rain, the retaining walls that lose their fight against saturated soil, the building envelope gaps that let water in, and the crawl-space moisture that breeds problems nobody sees until the damage is done.

An inspection before winter catches these conditions while you still have time to address them. The sand at Tamarack is gone. The El Niño winter is coming. What's between your home and the weather is what you inspect now.

This article reflects conditions and forecasts as of 2026. Coastal erosion, weather patterns, and property conditions change. Consult with licensed professionals for property-specific guidance.