United States House of Representatives elections, 2006 California California

| District | Incumbent | Party | First_elected | Results |
|---|---|---|---|---|
| California 14 | Anna Eshoo | Democratic | 1992 | Re-elected |
| California 15 | Mike Honda | Democratic | 2000 | Re-elected |
| California 16 | Zoe Lofgren | Democratic | 1994 | Re-elected |
| California 17 | Sam Farr | Democratic | 1992 | Re-elected |
| California 18 | Dennis Cardoza | Democratic | 2002 | Re-elected |
| California 19 | George Radanovich | Republican | 1996 | Re-elected |
| California 20 | Jim Costa | Democratic | 2004 | Re-elected |
| California 21 | Devin Nunes | Republican | 2000 | Re-elected |
| California 22 | Bill Thomas | Republican | 1978 | Retired Republican hold |
| California 23 | Lois Capps | Democratic | 1998 | Re-elected |
| California 24 | Elton Gallegly | Republican | 1986 | Re-elected |
| California 25 | Howard McKeon | Republican | 1992 | Re-elected |
| California 26 | David Dreier | Republican | 1980 | Re-elected |
| California 27 | Brad Sherman | Democratic | 1996 | Re-elected |
| California 28 | Howard Berman | Democratic | 1982 | Re-elected |