Isaac Altuna
i.altuna@foremost-cre.com
Associate
Foremost Commercial Real Estate
1614 E Holt Blvd. Suite 100
Ontario, CA 91761
Office: (909) 939-2262
Direct: (909)939-2262
Fax: (909) 939-2260
Cell: (951) 963-4131
Broker/Agent Member since 2025
AIR CRE>Next: Class of 2026

Born and raised in the suburbs of Norco, California, to Latin American immigrant parents, Isaac is a first-generation, trilingual university graduate with a strong passion for business and a drive for success. Isaac earned a Bachelor’s Degree in Business Administration – Management from the University of California, Riverside, Class of 2020.

Following graduation, Isaac obtained his real estate license in June 2021 and began his career under Altuna Real Estate — his family’s brokerage specializing in vacant land investments across Southern California’s growing markets.

In April 2022, Isaac embarked on an international chapter, living in Japan for several years where he worked in the hospitality industry and immersed himself in the culture. During this time, he also studied Japanese with the goal of building cross-border business relationships and collaborating with foreign investors.

As of September 2025, Isaac launched his career in commercial real estate under the guidance of Foremost Commercial Real Estate. His focus centers on the leasing and sale of commercial land and industrial properties throughout Southern California.