"Success Built On Commitment" - Established in 1981

MountainWest focuses on Commercial and Residential Real Estate including Property Management and Asset Management. It also has a Commercial and Residential Construction Management Department. MountainWest's major projects are in San Diego and Orange Counties.

MountainWest was founded by a man with a dream to create a company unlike any other. Keeping with that commitment, today, MountainWest thrives under the direction of its founder Jim Pieri. Following his leadership and direction MountainWest has seen phenomenal growth.


The MountainWest Team


Jim Pieri

President & CEO

Nick Ross

Director of International Operations

Steve Leung


Dan Rosenberg

Property Management +
Director of Leasing



Mario Hernandez

Facilities +
Chief Engineer

Lisa Herrera

Administrative Assistant

Aundrea Trapp

Creative Director + Marketing