Sempra Energy Headquarters
(San Diego, CA)

Located in the East Village of downtown San Diego, the new headquarters for Sempra Energy Headquarters is currently under construction by Cisterra Development. The 16 story, 269 foot, commercial office tower will be constructed around three historical buildings- Historical Fire Station #4, the Pack Loft Building, and the Unicorn Building. Built in 1927, the Unicorn Building will be renovated to include a new restaurant and retail space. The 55,000 sq/ft site is expected to be completed this summer (2015).

Sempra Energy is a Fortune 500 energy services company which develops energy infrastructure, operates utilities, and provides related products and services to more than 32 million consumers worldwide.


  • Window Restoration- Wood and Steel (The Unicorn Building)

Design Team

Owner: Cisterra Development
Architect: Carrier Johnson
Structural Engineer: Structural Engineer
General Contractor: Turner Construction Company
Restoration Contractor: Spectra Company

The Greenest Building Is One That Already Exists