15,000 households or approximately 45,000–50,000 people are anticipated when Mountain House is fully completed. Milestones November 10, 1994 – Mountain House project approved by San Joaquin County Board of Supervisors. May 14, 2001 – Trimark breaks ground on Mountain House project. January 18, 2003 – First home foundation poured. August 24, 2004 – Wicklund Elementary School opens. MHCSD opens an office at Wicklund Elementary School. November 6, 2007 – Mountain House votes to form an independent board for the MH Community Services District (MHCSD). December 7, 2007 – The San Joaquin Delta College satellite campus site is annexed to Mountain House CSD through a public-private partnership with developer Gerry N. Kamilos. November 2008 – Noted for having the highest percentage of underwater mortgages in the U.S. November 2008 – First independent board of the MHCSD was elected. August 17, 2009 – Delta College Mountain House Campus opens. June 8, 2010 – Voters approve unification of Lammersville Unified School District. January 2011 – 15-year-old resident Thia Megia becomes youngest finalist ever on American Idol. July 2012 – Mountain House High School breaks ground. March 2013 – New development announced for Questa and Altamont Villages. August 2014 – Mountain House High School opens. June 2015 – Drought conditions place Mountain House water supply at risk. September 2018 – Mountain House breaks ground on town hall complex. March 2020 – Town Hall and Library opens June 2021 – Safeway breaks ground on the town center, which is a retail shopping center. January 12, 2022 - A large retail center opens in Cordes Village, which would be including a pizza place, sandwich shop, dental office, and jiu-jitsu studio, since new businesses have moved there and lots of changes happened. Dec 2022 – Safeway opens a 55,562-square-foot supermarket in Mountain House. Financial downturn In November 2008, The New York Times reported that Mountain House was the "most underwater community in America" – the ZIP code with the highest amount of negative equity on its homes. With home values decreasing across the nation, Mountain House was described as the worst-hit, with 90% of its homes worth less than the amount their owners owe in mortgages. The average homeowner in Mountain House was reported to be $122,000 in debt. Many local businesses in the 95391 ZIP code were closing because the homeowners were cutting back on their spending. CalPERS, an agency that manages pensions for California public