Teams Mark Costin played for
| Surrey Premier League | Wimbledon (2010) |
| Southern Cricket League | Leckford (2003) |
| Sparsholt (2004) | |
| Cricketer Cup | Haileybury Hermits (2006) |
| Miscellaneous | Hampshire Hogs (2003-2016) |
| Weybridge (2006) | |
| Free Foresters (2006-2024) | |
| Marylebone Cricket Club (2007) | |
| Bank of England (2008-2009) | |
| Hertford (2008) | |
| Wimbledon (2010-2014) | |
| Cross Arrows (2013) | |
| Lord's Taverners (2015-2021) | |
| Spencer (2016-2017) | |
| Berkhamsted (2019-2025) |
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