Milford police arrested Chrysostome Kondjoua, 37, of Hamden on Nov. 29 for an alleged sexual assault that occurred at a Milford residence on Oct. 11.
Police said that the elderly female victim had hired Kondjoua to perform work at her home. Kondjoua is accused of sexually assaulting the victim.
He is charged with first-degree sexual assault.
Bond for Kondjoua was set at $500,000.