About Us

The company was started in 1962 by Jack Siapin with the goal of providing high quality landscape construction and maintenance throughout Southern California. In 1978 Jack’s son Daniel joined the firm and became a partner. In 1997, Jack retired selling his stock to Daniel. Daniel’s son Gabe has joined the firm and manages the construction division. The maintenance division is managed by Nancy Earp.

Daniel Siapin Bio:

1973-1975 Fullerton College, Fullerton, California
A.A., Landscape Management

1976-1978 California State Polytechnic University, Pomona, California
B.S. Park Administration

1973-1977 – Landscape Maintenance Laborer, Siapin Landscape Company, Montebello, California
1978 – Golf Course Management Internship – Hillcrest Country Club, Los Anageles, California
1978-1997 – General Partner Siapin Horticulture
1998-Present – President and Owner, Siapin Horticulture

Gabriel Siapin Bio:

1996-2001 California State Polytechnic University, Pomona, California
B.S. Ornamental Horticulture (Landscape Management)

1994-1998 – Landscape Construction Laborer, Foreman, Estimator, Siapin Horticulture
1999 – Grounds Crew Game Staff – Los Angeles Dodgers, Los Angeles, California
2000 – Sports Turf Management Internship, Los Angeles Dodgers, Los Angeles, California
2001-Present – Landscape Construction Manager, Siapin Horticulture, Inc.

Nancy Earp Bio:

1974-1976 – Fullerton College, Fullerton, Californina
Certificate, Landscape Management

1977-1979 – Landscape Maintenance Foreman – Environmental Care, Inc., Santa Ana, California
1981-1982 – Landscape Maintenance Foreman – Landscape West, Los Angeles, California
1983-1996 – Landscape Maintenance Supervisor, Siapin Horticulture, Inc.
1997 – Present – Landscape Maintenance Manager – Siapin Horticulture, Inc.

  • Projects

    USC Wrigley Marine Science Center

    USC Campus (60% of the landscaping)

    Paramount Pictures Studio

    Los Angeles Air Force Base Athletic Center

    3800 Wilshire Blvd.

    Nickelodeon Animation Studio

    MTV (Santa Monica Facilities)

    Norman Murray Community Center

    El Segundo Soccer Complex

Landscape Companies

Looking at landscaping companies can be very confusing because they all seem to offer the same services. As a leading Southern California Landscape Construction Company we are proud to show you our current and past construction projects and provide references upon request. Whether your project entails full landscape and design or simply irrigation design, drainage solutions, etc. we are able to provide exactly what you're needs are. No job is too big or too small. We provide complete landscape design, construction, installation and maintenance for our Southern California clients whose project size varies as well as their budget.

Landscape Maintenance

When you've made an investment in landscape and design, it's important that you maintain it properly to protect your investment. As a leading Southern California Landscape Construction Company, we will protect your investment for you with reliable maintenance. Whether you have a small landscape or a large one, our dedication is the same. When you invest in landscaping plants and landscaping shrubs, you want to protect them. When you need sprinkler repair to protect those important plants, we'll be there for you. Our crews have full knowledge of drainage solutions, plant protection, sprinkler and controller systems, etc.


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