Astros Roster & Staff
Transactions
| Date | Transaction |
| 06/30/11 | Oakland Athletics traded RHP Mickey Storey to Houston Astros. |
| 06/29/11 | Houston Astros placed LF Jason Bourgeois on the 15-day disabled list. Strained right quad. |
| 06/29/11 | Houston Astros recalled Brian Bogusevic from Oklahoma City RedHawks. |
| 06/29/11 | Houston Astros optioned LF Luis Durango to Oklahoma City RedHawks. |
| 06/29/11 | Houston Astros recalled David Carpenter from Oklahoma City RedHawks. |
| 06/29/11 | Houston Astros optioned C Brian Esposito to Oklahoma City RedHawks. |
| 06/29/11 | Alberto Arias roster status changed by Houston Astros. |
| 06/29/11 | Houston Astros claimed LF Luis Durango off waivers from San Diego Padres. |
| 06/27/11 | RHP Steve Martin assigned to Greeneville Astros from Houston Astros. |
| 06/27/11 | Houston Astros signed IF Jesse Wierzbicki. |
| 06/27/11 | C Kevin Gonzalez assigned to GCL Astros from Houston Astros. |
| 06/26/11 | Houston Astros signed C Kevin Gonzalez. |
| 06/26/11 | Houston Astros signed RHP Steve Martin. |
| 06/25/11 | Houston Astros optioned Fernando Rodriguez to Oklahoma City RedHawks. |
| 06/25/11 | Houston Astros selected the contract of Brian Esposito from Oklahoma City RedHawks. |
| 06/23/11 | Houston Astros signed RHP Mike Perconte. |
| 06/23/11 | RHP Mike Perconte assigned to Corpus Christi Hooks from Houston Astros. |
| 06/23/11 | Mitchell Lambson assigned to Tri-City ValleyCats from Houston Astros. |
| 06/20/11 | RHP Kelvin Santana assigned to DSL Astros from Houston Astros. |
| 06/19/11 | Houston Astros signed free agent RHP Kelvin Santana to a minor league contract. |
| 06/17/11 | Jarrod McKinney assigned to GCL Astros from Houston Astros. |
| 06/17/11 | Brad Hennessey assigned to Corpus Christi Hooks from Houston Astros. |
| 06/17/11 | RHP Brandon Culbreth assigned to GCL Astros from Houston Astros. |
| 06/17/11 | Steven Dennison assigned to GCL Astros from Houston Astros. |
| 06/17/11 | Blake Ford assigned to GCL Astros from Houston Astros. |
| 06/17/11 | Zachary Hardoin assigned to GCL Astros from Houston Astros. |
| 06/17/11 | C Joe Witkowski assigned to GCL Astros from Houston Astros. |
| 06/17/11 | Chris Epps assigned to GCL Astros from Houston Astros. |
| 06/17/11 | OF Javaris Reynolds assigned to GCL Astros from Houston Astros. |
| 06/17/11 | 1B Justin Shults assigned to GCL Astros from Houston Astros. |
| 06/17/11 | Chris Lee assigned to Greeneville Astros from Houston Astros. |
| 06/17/11 | Zachary Dando assigned to Greeneville Astros from Houston Astros. |
| 06/17/11 | Tyson Perez assigned to Greeneville Astros from Houston Astros. |
| 06/17/11 | LHP Paris Shewey assigned to Greeneville Astros from Houston Astros. |
| 06/17/11 | Brad Propst assigned to Greeneville Astros from Houston Astros. |
| 06/17/11 | Scott Zuloaga assigned to Greeneville Astros from Houston Astros. |
| 06/17/11 | Chase Davidson assigned to Greeneville Astros from Houston Astros. |
| 06/17/11 | Ruben Sosa assigned to Greeneville Astros from Houston Astros. |
| 06/17/11 | Alex Todd assigned to Greeneville Astros from Houston Astros. |
| 06/16/11 | Houston Astros signed SS Alex Todd. |
| 06/16/11 | Houston Astros signed LHP Scott Zuloaga. |
| 06/16/11 | Houston Astros signed OF Chase Davidson. |
| 06/16/11 | Houston Astros signed 2B Ruben Sosa. |
| 06/16/11 | Houston Astros signed RHP Brad Propst. |
| 06/16/11 | Houston Astros signed RHP Tyson Perez. |
| 06/16/11 | Houston Astros signed LHP Chris Lee. |
| 06/16/11 | Houston Astros signed free agent LHP Paris Shewey to a minor league contract. |
| 06/16/11 | Houston Astros recalled LHP Fernando Abad from Oklahoma City RedHawks. |
| 06/16/11 | Houston Astros signed OF Chris Epps. |
| 06/16/11 | Houston Astros signed RHP Brandon Culbreth. |
| 06/16/11 | Houston Astros signed RHP Steven Dennison. |
| 06/16/11 | Houston Astros signed RHP Blake Ford. |
| 06/16/11 | Houston Astros signed LHP Zachary Hardoin. |
| 06/16/11 | Houston Astros signed C Joe Witkowski. |
| 06/16/11 | Houston Astros signed 1B Justin Shults. |
| 06/16/11 | Houston Astros signed OF Jarrod McKinney. |
| 06/16/11 | Houston Astros signed OF Javaris Reynolds. |
| 06/16/11 | Houston Astros signed LHP Mitchell Lambson. |
| 06/15/11 | Houston Astros placed RHP Brandon Lyon on the 15-day disabled list retroactive to June 14, 2011. Right biceps tendinitis. |
| 06/15/11 | Houston Astros sent Robinson Cancel outright to Oklahoma City RedHawks. |
| 06/15/11 | Houston Astros signed RHP Zachary Dando. |
| 06/14/11 | Houston Astros signed OF Drew Muren. |
| 06/14/11 | Houston Astros signed free agent RHP Victor Mesa to a minor league contract. |
| 06/14/11 | Houston Astros signed LHP Kyle Hallock. |
| 06/14/11 | Houston Astros signed RHP Nicholas Tropeano. |
| 06/14/11 | Houston Astros signed C Miles Hamblin. |
| 06/14/11 | Houston Astros signed 3B Matt Duffy. |
| 06/14/11 | Houston Astros signed IF John Hinson. |
| 06/14/11 | Houston Astros signed 3B Zach Johnson. |
| 06/14/11 | Houston Astros signed OF Justin Gominsky. |
| 06/14/11 | Houston Astros signed OF Brandon Meredith. |
| 06/13/11 | Wandy Rodriguez roster status changed by Houston Astros. |
| 06/13/11 | Houston Astros optioned RHP Jeff Fulchino to Oklahoma City RedHawks. |
| 06/12/11 | Houston Astros signed free agent 2B Neiko Johnson to a minor league contract. |
| 06/11/11 | Houston Astros signed RHP Jonas Dufek. |
| 06/10/11 | Houston Astros optioned C Robinson Cancel to Oklahoma City RedHawks. |
| 06/10/11 | Houston Astros selected the contract of Carlos Corporan from Oklahoma City RedHawks. |
| 06/10/11 | Houston Astros signed Adrian Houser. |
| 06/10/11 | RHP Justin Gill assigned to GCL Astros from Houston Astros. |
| 06/09/11 | Houston Astros signed RHP Justin Gill. |
| 06/09/11 | C Jacob Meskin assigned to GCL Astros from Houston Astros. |
| 06/09/11 | Houston Astros activated RHP Brandon Lyon from the 15-day disabled list. |
| 06/09/11 | Houston Astros optioned RHP Jose Valdez to Oklahoma City RedHawks. |
| 06/09/11 | Houston Astros signed SS James Howick. |
| 06/08/11 | Houston Astros signed free agent C Jacob Meskin to a minor league contract. |
| 06/04/11 | Houston Astros released 2B Bill Hall. |
| 06/04/11 | Houston Astros activated LF Jason Bourgeois from the 15-day disabled list. |
| 06/01/11 | Houston Astros signed free agent C Emerson Frostad to a minor league contract. |