Los Angeles, Orange & Riverside Counties
Mon - Fri 8:00am-6:00pm
(909) 396-6800

Alliant Construction is a Los Angeles based company, established in 2019, located in Diamond Bar, California.

Our founders have been providing construction services in and around Southern California since 1998. x

We carry a $2,000,000 General Liability Insurance Policy, Workman’s Compensation Policy and are fully bonded as required by the State of California. Alliant carries a B License CA Lic.#1061441 specializing in Tenant Improvements, Project Management, and Building Maintenance.  We provide in-house trade services from turn-key projects ranging from simple paint and carpet for lease renewals; to new corporate facilities, industrial & retail improvements.

Project Management x

For over 20 years, we have experience in successful design and execution of infrastructure improvements to bring more value to your properties and portfolio.

Tenant Improvement x

We specialize in interior tenant improvements, corporate offices, creative office, full floor occupied tenant upgrades. We have a strong reputation for completing projects on time and within budget.

Maintenance & Repairs x

Alliant also offers a full range of general building maintenance services.  We have a strong in-house team that can service all your building maintenance and repair needs including painting, floor care, plumbing repair, janitorial and custodial services.

Our Team x

Kenneth J. Leon


Dan Zayas

Vice President

Austin Henig

Construction Project Manager

Eric Ly


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