Riddick, who pleaded guilty to 6 counts, was sentenced to a minimum of five years and a maximum of seven years in prison with the option of work release.
Records show the funds - which total more than $926,600 - were stolen from 2010 to 2016.
4 indicted in relation to missing money from Wake County Register of Deeds office
Former Wake County Register of Deeds turns herself into authorities after being indicted for allegedly stealing money
In court, Riddick apologized, saying she planned to serve her sentence "with dignity."
Riddick's attorney said she paid back all of the money and since been diagnosed with a "compulsion to hoard money."
A search warrant application, dated May 3, shows investigators obtained Visa card statements, which showed transactions from 2011, 2012, 2013, 2014, 2015 and 2016 at South Seas Island Resort in Florida.