Revenues from those operations in 2015 - a record $7.9 billion - represent the sixth straight year of growth since the economic meltdown, according Meister’s report. Gambling revenue at Indian casinos in California grew 8% in 2015, compared with 4.6% growth in 2014, according to a report by Alan Meister, a gambling-industry expert with the consulting film Nathan Associates.Ĭalifornia leads the nation with 63 tribes that run gambling operations. The Pala Casino in northern San Diego County has completed a $5.7-million renovation that included a new wine cave and an outdoor patio lounge. The Pechanga Band of Luiseño Indians plans next month to open a $285-million project that will add a 568-room hotel wing, plus a two-story spa and other amenities to its casino in Temecula.