New Report

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Commercial and Mixed-Use Developments Trends in the Rocky Mountain West.

Santa Cruz River Story

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"Revisiting the Dry River"

"It doesn’t take much imagination to unwind our long history here in this very valley—hunter, forager, farmer, consumer—and see how we all have relied on one pale blue thread in a vast desert place. The Santa Cruz River, our home."

Delta Story



"The Day We Set the Colorado River Free"

It's been more than 50 years since the Colorado River regularly reached the sea. But this spring, the U.S. and Mexico let the water storm through its natural delta for a grand experiment in ecological restoration.

Take Action

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Rosemont Mine

Protect the Santa Rita Mountains in Arizona from the proposed Rosemont Mine.

Sign the Petition today

Community Builders


Community Builders helps local leaders build strong and successful communities in the American West

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Upcoming Event

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Conservation Night - August 2, 2014

Join Sonoran Institute as we showcase our work on the Colorado River Delta and Santa Cruz River as part of the Desert Museum's "Conservation Night".

New Report


The Power of Connections

Connecting. It is what distinguishes our unique and successful approach to conservation and community development in the West.

Read our 2013 Annual Report.

Be a Part of History

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Returning Water to the Delta

On March 23, 2014, we witnessed a significant and unique water-related event in the West. An extra dose of Colorado River water was released for the specific purpose of bringing life back to the parched Delta.

Checkout our new Pulse Flow video
Learn more about Raise the River

Learn more about the Pulse Flow Event

Community Insights




A Brief History

We may think that a fair and balanced market determines the way our neighborhoods are built, but the real story is quite different. Community Builders' eight-part series of illustrated essays takes a look at how, and why, suburbia is being subsidized via outdated policies and regulations.

Check out A Brief History

Where We Work

Arizona California Colorado Idaho Mexico - Delta Montana Westwide Work Wyoming

Latest News

July 24, 2014
Join us on Saturday, August 2, 2014 at the Arizona-Sonoran Desert Museum in Tucson, AZ for Conservation Night. We will be presenting our restoration work on the Santa Cruz River. Find out more
July 22, 2014
Our latest FREE Community Builders webinar, Reconsidering the Curve: A Small Town Rightsizing Story, is tomorrow, July 23, 2014 starting at Noon Mountain Time. Register today
July 21, 2014
An interview with Nick Kujawa, president of Kujawa Development, LLC., on the Sears Building in historic uptown Butte, Montana -- which was a featured case study in our recent report, ReSTORE. Check out the interview
July 17, 2014
The Summer edition of the SCOTie (Successful Communities Online Toolkit information exchange) e-newsletter, Fetch, is out! Check out the latest ideas for inspired community development. Read it today
July 16, 2014
Robert Redford has agreed to narrate our upcoming video on the Delta pulse flow that occured in April - May of this year. Look for the new video next week. See a photo of Redford in the studio. Find out more about the pulse flow


For the first time in a generation, the waters of the Colorado River once again connected with the sea! The historic “connection” occurred on the afternoon of May 15th, 2014. This short video captures the moment of the connection.

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