This is a list of seasons played by Maidstone United in English football. It covers the period from the club's formation to the end of the last completed season. Where available it details the club's achievements in all competitions, together with the top scorers and the average attendances for each season.
Seasons
1993–2000
Information from 1993–2000 is scarce due to lack of available sources.
^The club was promoted from Division 4 to Division 2 in the 1994 close season due to league restructuring.
^Straightforward promotion from the Kent County League to the Kent League was not possible, however Maidstone were now a senior club (they were not in the 1999–20000 season when they also finished 3rd) meaning they could apply for promotion to the Kent League, an application which was accepted.
^Maidstone could not attain promotion from the Kent League due to lease problems at the club's then-home at Central Park, Sittingbourne.
^Maidstone again could not attain promotion from the Kent League due to lease problems, this time at the club's new temporary home at Bourne Park, Sittingbourne.
^The club gained entry to the Kent Senior Cup due to winning the Kent Senior Trophy the previous season.
^41 games played but result against Croydon Athletic was expunged after the club went out of business.
^The 2019–20 season was curtailed due to the COVID-19 pandemic, with league positions decided on a points-per-game basis.
^The 2020–21 National League South season was declared null and void and results expunged due to the COVID-19 pandemic.