Couples wishing to become legally married in the state of Florida must apply for a marriage license in person and be of 18 years old and over. Complete our Online Pre-Application, print it and bring it to any of our Courthouses to obtain your Marriage License.The declaration must be signed in front of a notary public and the document notarized. RESIDENCY: Husband Wife has been a resident of the State of Florida for at least 6 months before the filing of this Petition for Dissolution of Marriage. Fill out the Online Marriage License Pre-Application here. RESIDENCY: â–¡ Husband â–¡ Wife has been a resident of the State of Florida for at least 6 months before the filing of this Petition for Dissolution of Marriage. 5. Edit, sign, and share miami dade marriage pre application online. No need to install software, just go to DocHub, and sign up instantly and for free. Additional resources include a directory of local self-help centers. Our South Florida spouse petition lawyer can help you file your family petition.