A San Diego developer has plans to double the size of an industrial campus across an additional 80 acres it recently acquired in north Phoenix, representing an overall investment of about $260 million.

Sunbelt Investment Holdings Inc., also called SIHI, is planning to build a 16-building industrial park called Deer Valley Business Campus totaling more than 1.6 million square feet in multiple phases.

The industrial park is situated on two adjacent properties on the west and east side of 7th Avenue along Rose Garden Lane just south of the Phoenix Deer Valley Airport. SIHI won an initial 80 acres in a state land auction a couple of years ago and recently won another land auction for the additional 80 acres for $23.7 million.

Todd Holzer, president of SIHI, said construction recently started on the west side of 7th Avenue on three buildings totaling 240,000 square feet for its first phase. The second phase will comprise two buildings that are about 105,000 square feet each, while the third phase is expected to be announced at a later date.

For the property on the east side of 7th Avenue, Holzer said they could develop a build-to-suit facility for a manufacturing or distribution-related company or continue with plans to develop a speculative industrial park that's similar to the west site. The east property will start construction after the first site is completed, Holzer said.

Luke Krison and Mark Krison of CBRE Group Inc. are the leasing brokers for the industrial park. Willmeng Construction is the general contractor and Balmer Architectural Group is the architect for the two properties.

SIHI, which owns about 2,800 acres across the Valley, said it owns a lot of land in cities such as Phoenix, Mesa, Buckeye and Goodyear.