LPA established. First office located in the Historic Plaza Square, Orange, CA.

1965
Moved to AIA award winning accommodations in Irvine, CA.

1989
Honored with the Firm of the Year Award by the AIA, California Council.
1990
First AIA National Award received for Saddleback Community Church, Lake Forest, CA.

1994
First LEED® Certified building, Premier Automotive Group North American Headquarters, Irvine, CA.

1999
Northern California office opened in Auburn, CA.
2000
Northern California office relocated to Roseville, CA.
2001
LPA designs first LEED® Gold building, Toyota Motor Sales USA, Inc., South Campus Expansion, Torrance, CA.

2003
LPA Irvine moves into its "Sustainable Office Lab" at University Research Park, Irvine, CA.

2004
LPA designs first LEED® Police Facility in the country, Woodland Police Facility, Woodland, CA.
2004
LPA University is established with a focus on sustainable innovations and products.
2005
LPA reaches milestone of 100 LEED Accredited Professionals on staff.
2006
LPA designs first LEED® Platinum building in Orange County, CA, Environmental Nature Center, Newport Beach, CA.

2008
LPA opens San Diego office.
2009
LPA reaches 10 LEED®certified designed buildings with the completion of NASA's Jet Propulsion Laboratory Flight Projects Center, in Pasadena, CA.

2009
LPA designs first net zero entry, in HomeAid Orange County's Annual Project Playhouse Fundraiser. The Ocean Adventure Lab was on display at The Irvine Spectrum Center in Irvine, CA, until it was auctioned off, and in turn, donated, for children to enjoy at The Rescue Mission.

2010
LPA expands Irvine office, in University Research Park.

2011
LPA expands, and relocates San Diego office to East Village's historic Wonder Bread building.

2011