[13] In a Business Den article in 2024, Mizel described the history of MDC: "In our remarkable journey, marked by the construction of over 240,000 homes, we’ve emerged as a top 10 homebuilder in the United States.

"[14]Mizel was also a founder of Asset Investors Corporation (AIC), a New York Stock Exchange-listed real estate investment trust, and was a chairman of its board until 1996.

He also sat on the board of Commercial Assets Inc. (CAX), a real estate investment trust, that traded on the American Stock Exchange.

Mr. Mizel, along with President and CEO of the company, David Mandarich, put forth a joint statement about the transition:[17]“We are grateful to the Sekisui House team, which has shown the utmost respect and professionalism to us and our valued employees throughout the acquisition process and during the initial months of our integration.

This experience only reinforces our belief that our employees and our customers are in good hands as a part of the Sekisui House family.”[17]As of 2024, MDC had built over 250,000 homes with a footprint across 15 states nationwide.

[19][20] Mizel was a co-founder of the Simon Wiesenthal Center, a Los Angeles based international human rights organization that promotes tolerance and combats racism and anti-Semitism around the world.

[4] The Simon Wiesenthal Center is accredited as a non-governmental organization (NGO) at international agencies including the United Nations, UNESCO, the OAS, the Council of Europe and the Latin American Parliament.

[18] According to their website, the MOTJ celebrates "the vibrancy of Israel’s democracy by promoting universal respect and co-existence and will deal with the vital issues of the 21st century.

In an article by The Jerusalem Post, Mizel was quoted on the many challenges the project faced, which were listed as bureaucratic, architectural and legal in nature:[23]"My mission to establish this museum is rooted in my steadfast commitment to Jewish values and combating antisemitism and other atrocities.

[31] The museum provides regular artistic and educational programs that promote community understanding and tolerance for residents of the Rocky Mountain region.

[35] The CELL hosts a speaker series inviting experts, senior government officials and foreign dignitaries to address issues surrounding terrorism and global security.

In the 40 years since inception, the organization has raised over $3 million in support of young Colorado ranchers and farmers as a way to earn money for college.

As co-founder and chair of the Museum of Tolerance Jerusalem, Larry Mizel made introductory remarks at the “Celebrate the Faces of Israel” conference on April 27, 2023.

Senator, Cory Gardner, hosted a private fundraiser in Aspen, Colorado featuring Republican Vice Presidential Candidate, J.D.

[15] Consisting of over 140 CEOs and community leaders across Colorado, the organization commits financial resources to support legislative candidates and policies that share the goal of maximizing the state’s economic status.

Whether it’s his work at the Mizel Museum or the CELL, he’s done a great job to educate our country, our public, our state, on the values of hard work, collaboration and finding solutions to bring about a better world.”[53]In 2002, Mizel became a member of the board of directors of the American Israel Public Affairs Committee (AIPAC), a group that advocates pro-Israel policies to the U.S. Congress and Executive Branch.

Every May, the Mizel Institute, holds a charitable event with more than 1,000 attendees, including Colorado A-listers, to celebrate philanthropic works, promote religious and racial tolerance, and preserve Jewish culture.

In 2001, Mizel was the recipient of the distinguished Ellis Island Medal of Honor, which pays tribute to the immigrant experience and individual achievement.

The next year, he was awarded the title Honorary Irishman by the Ancient Order of Hiberians, a Catholic-Irish-American Fraternal Organization founded in 1836, for his work in supporting the heroes of the September 11 attacks in 2001.

Mizel received the Steve Ross Lifetime Achievement Award[62] from the Milken Institute in 2011 and was named a Colorado State Patrol honorary colonel.

[67] Mizel was then inducted into the Colorado Business Hall of Fame in 2016 by Junior Achievement-Rocky Mountain and the Denver Metro Chamber of Commerce.