To obtain or get a copy of your Marriage License, you need to contact your City or Town clerk. You would need an official letter from the agency saying that you need the marriage record to process the claim.A couple who intends to be married in New York State must apply in person for a marriage license to any town or city clerk in the state. The Middletown City Clerk's office is delighted to assist you in obtaining your marriage license in the State of New York. Couples must complete their marriage application online prior to visiting any of our offices. The Register of Deeds office is the official grantor of marriage licenses for Orange County. Marriage Licenses are valid for 60 days from the date of issuance. Certificate of marriage Filing Fee. Couples can submit their application for a marriage license online. Unlawful Detainer Assistant registration is required in each county where the services are performed.