Storms and Sea Levels: The Growing Threat to California’s Piers

California’s aging piers face growing threats from climate change, with intensifying storms, rising repair costs, and structural vulnerabilities forcing tough decisions about their future preservation.

2 minute read

December 30, 2024, 10:00 AM PST

By Clement Lau


Huntington Beach, CA pier at sunset.

FernandoM / Adobe Stock

California’s iconic piers, symbols of coastal culture and history, are increasingly imperiled by climate change. As reported by Noah Haggerty, recent storms, including those that severely damaged Santa Cruz Wharf and Ocean Beach Pier, have highlighted the vulnerabilities of these aging structures to intensifying storm patterns, rising sea levels, and unpredictable weather events. Despite ongoing efforts to reinforce piers with structural upgrades, the challenges of climate change are outpacing these interventions. Scientists warn that shifts in storm direction, fueled by warming temperatures, are striking even sheltered piers, creating an urgent need for strategic planning and resource allocation to preserve these landmarks.

The costs of maintaining and upgrading piers are steep, with repairs often running into millions of dollars and leaving piers closed for years. Santa Cruz Wharf, for example, faced delays due to lawsuits over environmental impact reports, while interim repairs began too late to prevent further damage from extreme storms. Similarly, San Diego’s Ocean Beach Pier has been deemed irreparable, necessitating an $8 million replacement project. Many other piers, such as the Ventura Pier, have required substantial restoration following storm-induced damage, and some, like Seacliff State Beach Pier, have been removed entirely after severe deterioration.

California’s coastal piers are at a crossroads. Most were built over a century ago, originally designed for calmer seas and different purposes. While they now serve as cultural and recreational hubs, the question of their future looms large. With limited resources, officials must make tough decisions about which piers to protect and how to adapt to the changing climate. As Patrick Barnard of the U.S. Geological Survey notes, strategic prioritization will be key as the state grapples with the growing impacts of climate change on its historic coastal infrastructure.

Saturday, December 28, 2024 in Los Angeles Times

Young Professional

I love the variety of courses, many practical, and all richly illustrated. They have inspired many ideas that I've applied in practice, and in my own teaching. Mary G., Urban and Environmental Planner

I love the variety of courses, many practical, and all richly illustrated. They have inspired many ideas that I've applied in practice, and in my own teaching.

Mary G., Urban and Environmental Planner

Get top-rated, practical training for planners

"Planetizen federal action tracker" logo superimposed over black and white image of US Capitol dome.

Planetizen Federal Action Tracker

A weekly monitor of how Trump’s orders and actions are impacting planners and planning in America.

September 16, 2026 - Zachary Whalen

Overlapping highways

The state-sanctioned urbicide of Austin

People don’t kill cities. Freeways do.

September 8, 2026 - Benjamin Schneider

The Hoover Dam blocking the Colorado River. The river's water level is noticeably low. The cliffs surrounding the blue water are brown and jagged.

US to reduce Colorado River water deliveries to Mexico

A new Colorado Treaty amendment reduces Mexico’s Colorado River water allocation by 250,000 acre feet.

September 11, 2026 - The Arizona Republic

A cluster of wind turbines beneath a stormy sky, above a forest where the leaves are beginning to change colors.

5 New England states march closer to 800 megawatt wind energy project

Securing federal approval for the project may be complicated under the Trump administration, which has historically been hostile towards domestic wind power.

6 hours ago - Inside Climate News

People boarding a bus on Maryland's Orange Route.

Baltimore to break ground on $50 million Transit Priority Project

The project will bring faster bus trips, safer streets and better bike connections to Baltimore.

7 hours ago - Mass Transit

A brick building with a circular sign with the Airbnb logo hanging off of it.

Airbnb launches $250 million 'last-dollar financing' housing accelerator, makes first investment in Austin

The company will put $6.4 million towards affordable housing development in Texas’ capital.

September 16 - Smart Cities Dive

FREE Course: Walkable City 1: Why Walkability?

After describing his path towards focusing on walkability as the essence of good planning, Jeff Speck marches through his five principal reasons for making more walkable places.

Reinventing Malls: Planning Alchemy—Turning Gray Fields Into Gold

The course focuses on the opportunities and imperatives that shape reinvention of mall sites.