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Divorce › New York › Suffolk County

How to file for an uncontested divorce in Suffolk County

In Suffolk County, uncontested divorces are filed in New York State Supreme Court. You start at the County Clerk by buying an index number ($210) and filing the summons, then file the rest of the uncontested papers with the office listed below.

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Where to file
Suffolk County Clerk for the index number; Supreme Court Uncontested Matrimonial Department (phone 631-740-3873)
Address
Matrimonial proceedings are mainly at the John P. Cohalan Jr. Court Complex (Hon. Marquette L. Floyd Supreme Court Building), 400 Carleton Avenue, Central Islip, NY 11722. County Clerk: 310 Center Drive, Riverhead, NY 11901 (mailing; office is in the building at 300 Center Drive)
E-filing
Electronic filing through NYSCEF is optional for divorces in this county. People without a lawyer can file on paper.
Court fees
At least $335 (index number $210, plus $125 for the RJI and Note of Issue). See all fees
Court page: nycourts.gov Filing source: iappscontent.courts.state.ny.us

Filing an uncontested divorce in Suffolk County

  1. Buy an index number and file the summons
    File the Summons With Notice (UD-1), or the Summons and Verified Complaint (UD-1a and UD-2), with the County Clerk.
  2. Serve your spouse within 120 days
    Someone over 18 other than you delivers the papers and signs the Affirmation of Service (UD-3).
  3. File the rest of the packet
    Submit the remaining uncontested papers with the Note of Issue (UD-9) and Request for Judicial Intervention (UD-13) to the office above.

Last checked against official New York court sources on October 1, 2026.

More New York divorce guides

Can I file in New York? Residency and groundsHow much an uncontested divorce costsHow long it takes, step by stepEvery uncontested divorce form (UD-1 to UD-15)Common mistakes that delay a divorce

Where to file, by county

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General information about New York court procedure, not legal advice. LawCat is an independent do-it-yourself document service, not a law firm. Court rules, forms and fees change; confirm with the court or County Clerk before filing.