Below is a listing of the NBA's current 29 franchises sorted by their best season in team history and the division in which the team resided during that season.
| Atlantic Division | Record | Year | Comments |
| Philadelphia 76ers | 68-13 | 1966-67 | Actually were in the Eastern Division in 1966-67 |
| Boston Celtics | 68-14 | 1972-73 | Best record ever for non NBA champ |
| Miami Heat | 61-21 | 1996-97 | Heat started in Midwest Division |
| New York Knicks | 60-22 | 1970-71 | Also won 60 in 1992-93 |
| Orlando Magic | 60-22 | 1995-96 | Magic moved around NBA like Heat |
| New Jersey Nets | 52-30 | 2001-02 | Nets are a former ABA team |
| Los Angeles Clippers | 49-33 | 1974-75 | Were the Buffalo Braves back then |
| Central Division | Record | Year | Comments |
| Chicago Bulls | 72-10 | 1995-96 | Bulls moved to Central in 1980 |
| Detroit Pistons | 63-19 | 1988-89 | Pistons moved to Central in 1980 |
| Indiana Pacers | 61-21 | 2003-04 | Pacers are a former ABA team |
| Washington Bullets | 60-22 | 1974-75 | Won only NBA title in1978 |
| Atlanta Hawks | 57-25 | 1993-94 | Also won 57 in 1986-87 |
| Cleveland Cavaliers | 57-25 | 1988-89 | Cavs only division title in 1976 |
| New Orleans Hornets | 54-28 | 1996-97 | While Hornets were in Charlotte |
| Toronto Raptors | 50-32 | 1999-00 | Young team has had a few good years |
| Midwest Division | Record | Year | Comments |
| Milwaukee Bucks | 66-16 | 1970-71 | Bucks moved to Central in 1980 |
| San Antonio Spurs | 62-20 | 1994-95 | Spurs moved to Midwest in 1980 |
| Utah Jazz | 62-20 | 1997-98 | Jazz didn't do well in New Orleans |
| Dallas Mavericks | 60-22 | 2002-03 | Mavs only division title was in 1987 |
| Houston Rockets | 58-24 | 1993-94 | Rockets moved to Midwest in 1980 |
| Minnesota Timberwolves | 58-24 | 2003-04 | 8 straight round 1 outs |
| Denver Nuggets | 54-28 | 1987-88 | Nuggets were one of ABA's best |
| Memphis Grizzlies | 50-32 | 2002-03 | Griz & Raptors: youngest NBA teams |
| Pacific Division | Record | Year | Comments |
| Los Angeles Lakers | 69-13 | 1971-72 | Lakers reach finals nearly 50% of time |
| Seattle Supersonics | 64-18 | 1995-96 | Only NBA Title in 1979 |
| Portland Trail Blazers | 63-19 | 1990-91 | Only NBA Title in 1977 |
| Phoenix Suns | 62-20 | 1992-93 | Oldest NBA team to never win title |
| Sacramento Kings | 61-21 | 2001-02 | Moved from Kansas City in 1985 |
| Golden State Warriors | 59-23 | 1975-76 | Philadelphia to San Francisco to G.S. |