Truro were FA Cup regulars throughout the 1950s, but subsequently they were sporadic entrants until a permanent return to the competition in the 2006–07 season, their first appearance in 13 years, then in 2017 they reached the first round for the first time in their history losing away to Charlton Athletic.

City also enjoyed a successful run in the 2006–07 FA Vase competition, beating AFC Totton 3–1 in the final and becoming the first Cornish football club to win a national trophy.

The final was notable as only the second match to be held at the newly constructed Wembley Stadium and took place in front of an FA Vase record crowd of 36,232 fans.

[9] Despite his housing company having gone into liquidation owing £4.5m, he categorically denied claims that his money was drying up and said that he would continue to fund the club's success.

[11] On 22 December 2009 Truro signed Mangotsfield United midfielder Kyle Tooze, for an undisclosed fee, thought to be in the region of £5,000.

[12] On 29 December 2009 Steven Thompson was announced as the new manager with immediate effect,[13] but on 29 March 2010 he left the club by mutual consent after only winning five out of his 18 games in charge, with the chance of reaching the play-offs unrealistic.

"[20] A further winding-up petition was lodged by HMRC in the High Court of Justice (Chancery Division) on 30 March 2012, with a hearing on 30 April 2012[21] when the club was expected to pay £51,000 to HM Revenue and Customs.

filed for administration after the first-team players, who had not been paid during August, informed the club that they would not play against Boreham Wood on 1 September unless this course of action was taken.

The match at home to Dover Athletic on 13 October was called off, and the club was expected to be expelled from the league with liquidation probably following such an expulsion.

[36] The 2015–16 season in the National League South would be just the second time Truro had played at that level, where they finished 4th and reached the playoffs, losing to Maidstone United in the semi-finals.

That season also saw the club go on an FA Cup run, making the first round proper, where they were beaten 3–1 by Charlton Athletic at The Valley, Tyler Harvey being the Truro goalscorer.

Wilkinson left the club to become manager of EFL League One side Bury, and was replaced by Paul Wotton ahead of the 2019–20 season.

[41] On 30 November 2023, the club was taken over by former Toronto Wolfpack rugby league and current Cornwall RLFC owner Eric Perez.

[49] However, in 2007, Carrick District Council rejected the plans for the new 16,000-seater stadium, a decision which club chairman Kevin Heaney described as a 'major blow'.

[51] In 2014, the club sold Treyew Road for redevelopment, with the intention of using the money as their share of the development costs for the planned Stadium for Cornwall.

The club received three extensions allowing them to stay at the ground following its sale, but in the summer of 2018, the development company announced its plans to begin work on the project immediately, forcing Truro City to find a temporary location.

Eventually, the club came to an agreement with divisional rivals Torquay United to undertake a groundshare of their Plainmoor stadium, a ground that was 2 hours away from Truro.

[56] In January 2021 it was announced that the club would finally leave their Treyew Road ground, which was not-long after redeveloped into a supermarket, and groundshare with Plymouth Parkway F.C.

[57] In March 2023, following the scrapping of the Stadium for Cornwall, Truro City confirmed the extension of their ground share deal at Plymouth Parkway for the 2023–24 season.

[58] In February 2024, that deal was cut short, with regular postponements at Bolitho Park leading Truro to arrange a ground-share until the end of the season with Taunton Town, at their Wordsworth Drive stadium.

[59] On 22 March 2024, due to pitch issues at Wordsworth Drive, Truro announced the club would play the remainder of the 2023–24 season at Gloucester City's Meadow Park.

Truro City Youth Football Club manage the younger age groups, and have pitches at Kenwyn Park, TR1 3FB, at St Erme Community Centre, TR4 9BD.