About Us

a female-owned Landscape Architectural firm with more than 25 years experience in residential and commercial design, as well as other municipal-based projects, including parks, streetscapes, master plans, and military facilities.

Tierra Group is owned by Lisa Pierce, a licensed California Landscape Architect and a 1984 graduate of Cal Poly University, Pomona  with a BS degree in Landscape Architecture. Lisa  began her career working for large, award-winning Landscape Architecture/Planning and Engineering firms that gave her a broad knowledge of the industry. Following several years of experience, Lisa developed a greater interest in residential design, especially custom residential projects, where she began enjoying the challenge and creativity of unique properties and the personal relationships with her clients.

Lisa began her company, Tierra Group, in 1990 and has since developed a strong client base throughout Southern California. She has mentored young students interested in the profession, provided expert witness testimony for various projects, and is currently a reviewing Landscape Architect for a custom residential Homeowner Association community in the area.

a full service design firm, capable of managing a project from the initial site  meeting to final completion. Throughout the design process, the client’s specific needs and budgetary constraints are respected. Lisa’s attention to detail and keen ability to successfully listen and implement every idea, wish, and dream of her clients is what distinguishes her work. It is her thoughtful balance of integrating site issues, building styles, and function, as well as aesthetic quality, which guarantees that every project will be a successful one.

Tierra Group is experienced in a wide variety of design styles, including formal, traditional, tropical, contemporary, country cottage, and several other region-specific styles such as Italian, Mediterranean, Asian, and English. Lisa’s expertise also extends to Xeriscape design, which incorporates California native and drought tolerant plant species into a more natural landscape that lowers maintenance costs and water consumption.