CSOAA — California State Outdoor Advertising Association

Leaders in Outdoor Advertising

CSOAA leads and unites a responsible outdoor advertising industry across California — serving advertisers, consumers, the public, and the agencies that oversee our work.

Our Goal

A responsible, unified outdoor advertising industry

The guiding principle of CSOAA and its member companies is to lead and unite a responsible outdoor advertising industry — one that serves the needs of advertisers, consumers, the public, and the governmental entities responsible for overseeing industry activities.

We are committed to doing it all in an ethical and professional manner, setting the standard for outdoor advertising across California.

Ethical LeadershipHolding our industry to the highest professional standards.
A United VoiceRepresenting member companies and affiliates statewide.
Public ServiceServing communities, advertisers, and the public good.
About CSOAA
Outdoor advertising billboard against a clear sky
Since the
earliest civilizations
Outdoor advertising has connected people for thousands of years.
Discover Outdoor

An industry with a remarkable story

Outdoor advertising traces its lineage back thousands of years. Formats have evolved — but outdoor is still here. Explore its history, the facts behind it, and the formats available today.

History of Outdoor

From stone obelisks publicizing laws in ancient Egypt to today's digital displays — discover how outdoor advertising has shaped public communication for millennia.

Explore the history

Facts vs. Myths

Misconceptions about outdoor advertising are common. Get the truth about the industry, its impact, and its role in California's communities and economy.

See the facts

Types of Billboards

Bulletins, posters, digital displays and more — learn about the different outdoor advertising formats available and how each one reaches audiences.

View the formats
Community members collaborating on a public service project
Public Service

The CSOAA Public Service Announcement Program

Our PSA Program coordinates CSOAA members to give charities and civic organizations the opportunity to run Public Service Announcement campaigns on outdoor advertising displays across California.

  • Donated billboard space for qualifying nonprofits
  • Coordinated statewide campaign placement
  • Greater visibility for civic and charitable causes
Learn About the Program
Our Members

Trusted companies across California

CSOAA brings together established outdoor advertising companies committed to a responsible, professional industry.

Bulletin Displays
Outdoor Advertising
Clear Channel Outdoor
Outdoor Advertising
Foster Interstate Media
Media, Inc.
Lamar
Advertising
Meadow Outdoor
Advertising
OUTFRONT
Media
United Outdoor
Advertising
Veale
Outdoor Advertising

Interested in becoming a member?

Join a unified voice for responsible outdoor advertising in California.

Become a Member

Join us at the CSOAA Annual Meeting

Connect with industry leaders, stay informed on legislation, and help shape the future of outdoor advertising in California.

Contact Us

We're here to assist you

Have questions or comments? Reach out — our team is glad to help with any inquiry.

Get in touch

For any inquiries, please call or email us.

Mailing Address
CSOAA, P.O. Box 214
Clarksburg, CA 95612

Send a message

Questions or comments — we are here to assist you.