Question: when did the houston astros won a world series
Answer: 45s ( 1962 -- 1964 ) Other nicknames ' Stros Ballpark Minute Maid Park ( 2000 -- present ) Astrodome ( 1965 -- 1999 ) Colt Stadium ( 1962 -- 1964 ) Major league titles World Series titles ( 1 ) 2017 AL Pennants ( 1 ) 2017 NL Pennants ( 1 ) 2005 AL West Division titles ( 1 ) 2017 NL West / Central Division titles ( 6 ) 1980 1986 1997 1998 1999 2001 Wild card berths ( 3 ) 2005 2015 The Astros also qualified for the postseason in the strike - split 1981 season , losing to the Los Angeles Dodgers in the NLDS .