The 26-goal striker took the top scorer trophy for the third time in four seasons.
The Rocks have announced Higgins is one of five to commit - and the club have meanwhile announced a number of exits.
Manager John Coventry revealed Lee Burns, Ben Marlow, Ryan Scott and Sammy Knott have put pen to paper.
But leaving East Thurrock are a number of experienced players, with midfielder Max Cornhill and goalkeeper Lukas Lidakevicius two high profile players making their exit.
Michael Clark, Reece Harris, Lewis Smith and Ryan Sammons won’t be signings new contracts.
James White and Montel Agyemang have also been told they can find new clubs.