1982	06.22 - First Ordinance passed approving the first phase of Hacienda 08.12 - Phase I sites created 09.20 - Hacienda Business Park Owners Association created Chabot Center approved  | Amador Centers approved  |  Associates Center approved  |  Willow Center approved
1983			04.10 - Pleasanton voters ratify plan for Hacienda 05.15 - Hacienda Transportation Service created 10.16 - Moveable feast celebration guided tour of in tract improvements 11.01 - Hacienda Master plan receives merit award 11.22 - Second ordinance passed approving the first phase of Hacienda
1984	01.01 - AT&T comes to Hacienda 01.20 - Hacienda receives community award 03.11 - Hacienda hosts first annual Soccer City Run 07.12 - Hewlett Packard breaks ground City flood control improvements completed by Hacienda  |  Improvements begin on I-580 and I-680  |  Stoneridge Drive widening complete
1985			05.20 - Hewlett Packard moves into new facility in Hacienda 06.13 -  Hacienda hosts first annual Picnic in the Park 09.01 - Sheraton and Velvet Turtle open 09.18 - Hacienda Child Care Center breaks ground Hopyard Road Interchange breaks ground  |  Associates Center receives 'Award of Merit'
1986	03.18 - Ordinance passed approving the second phase of Hacienda 04.01 - Associates National Bank comes to Hacienda 09.10 - Child Care Center opens 10.01 - AT&T ground breaking on 1.1 million square foot facilities 12.08 - Hacienda hosts new annual food drive Hacienda West opens  |  Courtyard by Marriott grand opening
1987			11.05 - Hacienda Motors Ltd. opens Hacienda Child Development Center receives national award
1988	03.10 - Hacienda opens new information center 04.08 - New streets open in Hacienda 05.03 - AT&T Center opens 05.09 - Interchange construction begins on I-680/Stoneridge 08.25 - Hacienda sponsors first art and wine event 11.02 - Hopyard overpass opens 12.01 - Hacienda named one of the World’s Best Business Parks
1989			05.18 - Corporate Stampede raises more than $2000 for Special Olympics 08.17 - Hacienda hosts Hawaiian Luau 10.19 - Gateway Square merchants celebrate grand opening 12.15 - New Stoneridge overpass opens Britannia Business Center approved
1990	01.13 - Wells Fargo opens new branch in Hacienda 05.01 - Hacienda games raise $3000 for PUSD 06.01 - Construction begins on Hacienda post office 08.01 - Bissel & Karn move headquarters to Hacienda 11.02 - BART opens Pleasanton field office Hacienda and I-580 overpass begins construction
1991			01.07 - Las Positas College opens an off-campus at Hacienda 05.18 - Hometown Heroes parade held in Hacienda 06.05 - Hacienda Interchange opens 10.03 - Chevy’s opens 10.25 - BART breaks ground 12.10 - Residential housing in Hacienda approved Dutra Realty builds new facility in Hacienda
1992	06.01 - Verona housing development breaks ground 06.01 - Child Care Resource Center opens 10.13 - Nellcor breaks ground on new facility
1993			Hacienda transportation programs honored
1994	07.01 - Ground breaks on Siena, Avila and Valencia homes 11.01 - Wal*Mart breaks ground SmithKline and Wal*Mart pick Hacienda for new sites  |  PeopleSoft moves to AT&T Center
1995			07.01 - University of Phoenix opens 08.01 - Unisource Worldwide builds facility in Hacienda 09.12 - Hacienda hosts Hopfest, raising $30,000 for Tri-Valley charities 11.03 - Grand opening of Hacienda new retail center, Metro 580 Verona housing project sells out
1996	New park opens in Hacienda  |  ProBusiness breaks ground on headquarters
1997			05.10 - BART opens PeopleSoft unveils plans for campus  |  Archstone approved
1998	05.28 - Shaklee breaks ground on new facility 09.18 - Hacienda companies compete at Technology Festival PeopleSoft opens new campus  |  Sierra Suites opens  |  ProBusiness expands  |  Mark Sweeney, Joe Callahan and Patrick O’Brien receive Mayors award
1999			02.08 - 1st United Credit Union opens headquarters 04.01 - ValleyCare health library moves to Hacienda 10.01 - Commerce One moves worldwide headquarters to Hacienda Hacienda receives 1999 Clean Air Envy award from American Lung Association  |  Shaklee, ADG, Archstone all open Hacienda facilities
2000	05.15 - Visioneer moves corporate headquarters to Hacienda 06.15 - Iron Planet’s headquarter opens in Hacienda 09.15 - Thomas Hart Middle School opens
2001			07.02 - Polycom moves to Hacienda Hopyard Plaza approved  |  WAMU brings wholesale and retail mortgage operations to Hacienda
2002	04.26 - Prudential California Realty moves corporate campus to park PeopleSoft expands campus
2003			Ross Stores moves corporate headquarters to Hacienda
2004	08.01 - Sport Chalet opens 09.22 - Commerce West Insurance moves headquarters to Hacienda 10.07 - Kohls opens
2005			08.01 - Simpson Manufacturing purchases Hacienda facility 08.09 - Kaiser Permanente purchases Hacienda facilities 09.14 - Direct Buy discount home products moves to Hacienda
2006	03.01 - SCIF purchases Hacienda facility ValleyCare Health Systems announces new cancer center in Hacienda  |  Dahlin Group constructs new Hacienda headquarters  |  Roche breaks ground on new facility
2007			08.16 - Hacienda celebrates its 25th Anniversary           10.09 - Ellie Mae relocates back to Hacienda Robert Half International expands in Hacienda  | Taylor Building facility completed
2008	04.17 - Pleasanton One acquired for the development of condominium space 05.01 - Alameda County Child Support Services moves headquarters to Hacienda Oracle breaks ground on new facility  |  Hacienda Helping Hands giving initiative launched
2009			01.01 - Adept Technology moves robots to Hacienda 04.01 - Microchip Biotech moves to Hacienda Oracle completes new facility  |  1st United Services Credit Union Expands Hacienda headquarters
2010	10.01 - Xradia moves global headquarters to Hacienda 12.01  - 24 Hour Fitness Super Sport Club renovations completed 12.01 - Pleasanton Business Solutions opens Hacienda's first executive business center
2011			01.31 - iTrade Network expands headquarters in Hacienda 04.01 - Pure Red Creative brings offices/studios to Hacienda 06.01 - Omron Network Products relocates to Hacienda 06.01 - Axis Community Health picks Hacienda for expansion site
2012	02.01 - Maddie's Center selects Hacienda for innovative animal facility 05.01 - Two new transit-oriented housing communities approved for Hacienda 09.01 - CPU Tech & ServiceMax expand their offices 11.01 - Gap Inc. opens offices at Rosewood Commons
2013			03.01 - Bio-Rad opens their facility in Hacienda 04.22 - Schneider Electric opens an office in Hacienda 06.01 - Iron Planet expands into larger offices 12.01 - Yellow Pages relocates offices to Hacienda Lakes Spigit Inc. opens offices in Hacienda  |  Zoho opens their headquarters in Diablo West  |  Zenith Insurance moves their office to Rosewood Commons
2014	02.03 - Hacienda receives Best Workplaces for Commuters Gold Award 05.01 - Morgan Stanley opens an office in Hacienda Terraces 06.24 - Caltrans opens an office in Hacienda 08.20 - TriNet opens an office in Hacienda Lakes Carl Zeiss expands their offices
2015			03.01 - SmartZip signs a 36,000 square foot lease at Rosewood Commons 04.22 - Party City moves store to Hacienda 05.31 - Anton Hacienda completes luxury apartment complex 08.01 - ServiceMax relocates Hacienda headquarters 08.26 - Gap purchases 181,000 square foot building 09.01 - Acosta leases 28,000 square feet at Diablo Technology Center 10.27 - Veeva celebrates grand opening of their new Hacienda headquarters 11.01 - Ellie Mae expands at Rosewood Commons 12.22 - Roche receives approval for a 70,700 square foot new office building on their campus
2016	03.01 - Pulte leases 25,000 square in Hacienda 04.01 - Convergint Technologies leases 17,000 at Arbor 04.20 - Sensiba San Filippo LLP signs a lease to move headquarters to Hacienda 05.21 - Axis Community Health celebrates grand opening of their Hacienda clinic