Annulment in Union County

Reviewed by Stephanie Green · Managing Partner & Co-Founder · Last updated June 11, 2026

Union County, Ohio · Marysville

An annulment treats a marriage as if it was never valid, and it is filed in the Union County Court of Common Pleas - Domestic Relations Division. Annulment is rare and has narrow legal grounds — such as bigamy, being underage, fraud, or incapacity — so it is not a substitute for divorce or dissolution. Confirm the current deposit with the Clerk.

How do I get an annulment in Union County, Ohio?

File a Complaint for Annulment in the Union County Court of Common Pleas - Domestic Relations Division, 215 W 5th St, Marysville. Annulment is available only on narrow legal grounds — such as bigamy, an underage spouse, fraud, force, or incapacity — and most have strict time limits. If your marriage doesn't qualify, divorce or dissolution is the right path. Confirm the current deposit with the Clerk at (937) 645-3015.

Ohio Divorce by the Numbers

6 months Ohio residency required before you can file Source: Ohio Revised Code § 3105.03
90 days Residency in the county of filing (venue) Source: Ohio Civ. R. 3
30–90 days Typical time to finalize an uncontested dissolution Source: Ohio Revised Code § 3105.64
1 year Living separate and apart that qualifies as no-fault grounds Source: Ohio Revised Code § 3105.01

Compare Your Options for Ending a Marriage in Ohio

Path	Ends the marriage?	Agreement required?	Best when
Dissolution	Yes	Yes — on every term before filing	Both spouses agree on everything and want the fastest, lowest-cost path
Divorce (contested)	Yes	No	Spouses disagree on property, support, or parenting and need a judge to decide
Divorce (uncontested / default)	Yes	No	One spouse will not respond or cannot be located
Legal separation	No — you stay married	Optional	You need court orders but must stay married (religion, insurance, or benefits)
Annulment	Treated as never valid	No	The marriage was never legally valid (fraud, bigamy, underage, or incapacity)

Where to File: Union County Court of Common Pleas - Domestic Relations Division

215 W 5th St, Marysville, OH 43040, Marysville, OH 43040
Phone: (937) 645-3015
Hours: Monday–Friday (call the Clerk to confirm current hours)
Website: www.unioncountyohio.gov/departments/CommonPleasCourt

Annulment is the right path if…

Your marriage may be legally invalid (bigamy, underage, fraud, force, or incapacity).
You are within the time limit that applies to your grounds.
You want the marriage treated as if it never legally existed.
You understand most marriages don't qualify — divorce or dissolution is the usual path.

Filing Fees

Filed in the Union County Domestic Relations Division · confirm the current deposit with the Clerk at (937) 645-3015 · most grounds have strict time limits

Forms & Filing Packets

File for annulment — Confirm the current deposit with the Clerk

File a Complaint for Annulment in the Domestic Relations Division with the income/expense and property/debt affidavits and the local Classification Form + UCD1.

Affidavit of Income & Expenses (Ohio SC Affidavit 1) — Income, expenses, and basic financial information. Each party files their own. Must be notarized.
Affidavit of Property (Ohio SC Affidavit 2) — Lists every asset and debt. Required at filing.
Classification Form + UCD1 (Union County local cover & disclosure forms) — Union County's required local cover and disclosure forms that accompany a new divorce or dissolution packet. Download from the Common Pleas Court page and file them with your complaint or petition; confirm the current versions with the Clerk at (937) 645-3015.

How to File Annulment in Union County

Confirm you have legal grounds. Annulment requires a specific ground — bigamy, underage, fraud, force, or incapacity — usually within a strict time limit.
Prepare the complaint. Complete a Complaint for Annulment plus Affidavits 1 and 2, and the local Classification Form + UCD1.
File with the Clerk. File at 215 W 5th St, Marysville; confirm the current deposit with the Clerk at (937) 645-3015.
Serve your spouse. Arrange service; if your spouse can't be found, Union serves by publication or posting.
Attend the hearing. You must prove the legal ground; if the court is not satisfied, divorce or dissolution is the alternative.

Union County Practice Notes

Annulment has narrow grounds. Ohio allows annulment only in specific situations — bigamy, an underage spouse, fraud, force, or mental incapacity — and most have strict time limits. The court treats a successful annulment as if the marriage never legally existed.
Not a substitute for divorce. Most marriages don't qualify for annulment. If your marriage was legally valid, divorce (contested) or dissolution (agreed) is the right path to end it.
Confirm the deposit with the Clerk. The Union County deposit for annulment can differ from a divorce. Confirm the current amount with the Clerk at (937) 645-3015 before filing.

Frequently Asked Questions

How does annulment work in Union County?: Annulment is filed in the Union County Court of Common Pleas - Domestic Relations Division. It is rare and has narrow legal grounds (such as bigamy, fraud, or a marriage that was never valid) — it is not a substitute for divorce. Confirm the current deposit with the Clerk at (937) 645-3015.
How much does it cost to file for divorce in Union County?: The Union County divorce deposit is $450 without minor children and $560 with minor children. If you can't afford the deposit, an Affidavit of Indigency (fee waiver) is available under Ohio Civil Rule 3(E). Service by publication is an added cost — you pay the newspaper directly. Confirm the current amounts with the Clerk at (937) 645-3015 before filing.
Can I e-file my case in Union County?: In Union County, attorneys must e-file. Self-represented (pro se) filers bring paper copies to the Clerk of Courts counter at 215 W 5th St, Marysville. Confirm the number of copies and the current deposit with the Clerk at (937) 645-3015.

Free Local Resources in Union County

Union County Clerk of Courts. Provides current filing fees, local forms, and filing instructions for custody, divorce, and dissolution cases. Call (937) 645-3015 or visit https://www.unioncountyohio.gov/departments/CommonPleasCourt before filing to confirm deposits and packet requirements.
Union County Child Support Enforcement Agency (CSEA). Union County's IV-D agency opens child-support cases, runs wage withholding, distributes payments, and enforces orders. File a IV-D Application when establishing or modifying support.

Related to your annulment case

Spousal Support — Pursue or respond to alimony requests during and after divorce.
Paternity & Custody — Establish parentage and build a parenting plan that protects your children.
Child Support — Calculate, establish, or modify support under Ohio's guidelines.

Related guides

In-depth, attorney-written guides on annulment and related Ohio family law topics.

Divorce vs. Dissolution in Ohio: Which Path Is Right for You? — Divorce and dissolution both end an Ohio marriage, but they work very differently. Dissolution is a no-fault, agreed process; divorce is a lawsuit for couples who can't agree. Here's how to choose.
How to File for Divorce in Ohio: A Step-by-Step Guide — Filing for divorce in Ohio follows a defined path: confirm residency, choose your grounds, file the complaint, serve your spouse, and work toward temporary orders and a final decree. Here is how each step works.

Keep exploring

Ohio Annulment guide — Statewide overview of annulment in Ohio.
Columbus family law — Local attorneys and courts serving the Columbus metro.
Meet Stephanie Green — Managing Partner & Family Law Attorney at Gavvl Law.
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