Grossmont Medical Plaza

Description of Facility and Operations

Grossmont Medical Plaza is a 107,547 square foot, six-floor medical office building (MOB) located at 5525 Grossmont Center Dr, La Mesa, CA 91942. The building has a surgery center located on the first floor and a sleep center located on the 6th floor. The remaining floors are a mix of medical offices and other space types.

The building operates roughly 84 hours per week, though the major air handlers run 24/7 to provide cooling to several small space types like data closets on each floor. A majority of HVAC systems are controlled with a Siemens Desigo DDC control system to administer ventilation, temperature, pressure, and humidity controls within these buildings. Lighting is primarily T8 fluorescent on floors 1-5, where the 6th floor sleep center is primarily LED lighting. Exterior lighting had been converted to LED fixtures for the parking garage.


- Grossmont Medical Plaza spends $5.27/sq. ft. for utilties.

- The building's energy use per square foot is 30% higher than the national median energy use intensity for medical office buildings.

Key Opportunities

• Make-up water and blowdown water from cooling tower are not metered; install meters and pursue sewer charge credit for drift and evaporative losses. Est. cost per meter = $500 - $1,500.