No. You do not sue for what you've spent or what you'd like returned.
If you entered into a contract with someone where your portion of the bargain was physical labor, and the other person refused to perform their obligations under the contract, you may sue them for breach of contract and ask to be paid for your labor.
Sweat Equity - 2006 Equity Upgrades was released on: USA: 12 September 2012
Sweat Equity - 2006 was released on: USA: 2 October 2006
Yes it is possible that sweat equity to the individual could attract some attention.
Sweat Equity - 2006 Monster Garage was released on: USA: 14 July 2010
Sweat Equity - 2006 Adding a Kitchen was released on: USA: 17 June 2009
Sweat Equity - 2006 Unfinished Projects was released on: USA: 10 February 2010
Sweat Equity - 2006 Craftsman Kitchen was released on: USA: 27 May 2009
Sweat Equity - 2006 Rundown Redo was released on: USA: 8 June 2011
Sweat Equity - 2006 Curb Appeal was released on: USA: 6 May 2009
Sweat Equity - 2006 Townhouse Updates was released on: USA: 16 June 2010
Sweat Equity - 2006 Basement Renovation was released on: USA: 21 April 2010
Sweat Equity - 2006 Guy's Kitchen was released on: USA: 26 August 2009