La JOLLA—Dirt should move soon on a new 13-story, 415,000-square-foot office tower for LPL Financial, a top independent financial broker-dealer.

The project, at 4707 Executive Drive is believed to be the largest net-zero commercial building in the U.S. LPL’s says the project “demonstrates its commitment to sustainability and corporate citizenship

by incorporating the most sophisticated green technologies and health and wellness benefits for employees in its office design.”

LPL Financial, a wholly-owned subsidiary of LPL Financial Holdings Inc., an RIA custodian, is an independent consultant to retirement plans. LPL Financial offers proprietary technology, comprehensive clearing and compliance services, practice management programs and training, and independent research to more than 13,600 financial advisors and approximately 700 financial institutions. The company has 3,000 employees with primary offices in Boston, Charlotte, and San Diego.

A groundbreaking ceremony is planned for Wednesday at the La Jolla site.