Hamilton County Child Support Attorneys

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

Hamilton County, Ohio · Cincinnati

Ohio sets child support with a statewide Income Shares worksheet, but where you file depends on your situation. Married parents establish or change support in the Court of Domestic Relations; never-married parents use the Juvenile Court. The Hamilton County CSEA administers the order once it's entered. Run the official Ohio calculator first so you know what to expect.

Hire Gavvl for your Hamilton County child support case

Flat-fee and full-representation options: we handle the filings, the Hamilton County local forms, the court strategy, and the hearings — and you know the price before we start (flat fees from $1,095).

Start with a $25 consultation and talk through your options with an Ohio family-law attorney before you commit to anything. Get started online or see payment plans & financing.

How do I set up or change child support in Hamilton County, Ohio?

First run the official Ohio Child Support Calculator (2024 Income Shares worksheet). To establish support if you were married, file a Section 10 complaint (CDR Form 1.31,) in Domestic Relations, or set it inside your divorce. If you were never married, file the Juvenile Court 'Filing for Child Support — New Case' packet. To change an existing order, file in the court that issued it — a Blank Motion (CDR Form 3.8, post-decree) in DR or the Motion to Modify Support packet in Juvenile. Include the Group Health Insurance Affidavit and IV-D Application so the Hamilton County CSEA can administer it.

Hire Gavvl Law for your Hamilton County child support case

Ohio sets child support with a statewide Income Shares worksheet, but where you file and what you deposit to file it depends on your family: married parents use the Court of Domestic Relations, never-married parents use the Juvenile Court, and every order is administered by the Hamilton County CSEA once the IV-D application is in. Gavvl Law runs the worksheet correctly and files the right motion — a flat fee for a clean establishment or modification, full representation when the number is contested.

The correct form and deposit for your situation. Establishing support for married parents outside a divorce uses CDR Form 1.31 with a deposit at Domestic Relations; changing an existing DR order uses the Form 3.8 Blank Motion is set by the court; a never-married case opens in Juvenile Court is set by the court. We match your facts to the right filing so you're not paying the wrong deposit or filing the wrong motion.
Modifications documented the way Hamilton wants. Under R.C. 3119.05, a modification needs three years of income proof — pay stubs, tax returns, overtime, commissions, bonuses, and any pre-existing support obligations. We assemble that record so the recalculated worksheet holds up and a genuine change in circumstances actually moves the number.
Built around CSEA enforcement. Every Hamilton County support order is collected through CSEA income withholding once it's entered. We file the IV-D Application (HC 7076) and the Support Account Data Form (CDR 4905) with your case so the order is enforceable and withholding can start the day it's signed — not weeks later after a paperwork gap.

Each parent's obligation is based on their share of the combined income, so the accuracy of the worksheet is everything. We build the calculation from complete income records for both parents — the same records Hamilton will scrutinize — so the support figure you walk out with is the right one and stands up to review.

Flat-fee options

Flat-fee limited scope: we draft and file the support motion (establish, modify, or terminate). The court filing fee is billed separately and this does not include in-court representation.

Establish child support: $1,095
Modify child support: $1,095
Terminate child support: $1,095

Prefer full representation? An Ohio attorney can carry the entire case on a $3,500 retainer.

On limited-scope services of $2,000 or more, Gavvl Direct — our in-house plan with no interest and no credit check — takes 60% down to start, then the balance in three monthly payments, the first due 28 days after your initial payment. Affirm, Klarna, and PayPal Pay Later are also available through LawPay.

Start your child support case or see payment plans & financing.

Real people — with direct lines

Stephanie Green — Managing Partner
Elizabeth Warren — Managing Partner
Niva Elgin — Director of Attorney Relations · Licensed New Mexico Attorney

Your consultation

Stephanie Green or Elizabeth Warren, our managing partners — or Niva Elgin, our Director of Attorney Relations and a licensed New Mexico attorney. They've heard hundreds of situations like yours and will tell you plainly what you need, and what you don't. Meet the firm.

Your attorney

One of our Of Counsel Ohio family-law attorneys is your attorney for the case — from the first strategy call to the final order in Hamilton County. You have their name and a direct line the day your file opens. Our attorneys.

Your case team

Niva Elgin keeps your case moving as Director of Attorney Relations. Madeline Wampler, Certified Paralegal, handles documents and scheduling. Erin Schultz, Finance Manager, handles billing and payment plans. Real people who answer when you call.

95+ five-star Google reviews
60+ years of combined Ohio family-law experience
Super Lawyers Rising Stars honorees on the team: Elizabeth Warren (2021–2023) and Samantha Berkhofer (2019–2021)
Every flat fee published before you call

From first call to retained — and every step after

Consultation — A 30-minute phone call, $25. You talk with Stephanie Green, Elizabeth Warren, or Niva Elgin about what's happening and what Ohio law actually does with it. Before you hang up you'll know whether you need a lawyer at all — and if you do, you leave with a written quote: the service we recommend, the price, your financing options, and your next steps.
Choose — Pick the level of help. Pay, or set up financing. Limited-scope flat fee or full representation — you choose, with real numbers in front of you. Pay online, or secure a Gavvl Direct payment plan or third-party financing in a few minutes. Nothing is billed until you decide.
Sign — Your agreement arrives by email. Review the client agreement and sign it electronically — from your phone if you like. While you do, your attorney reviews your intake.
Get started — Your first attorney call goes on the calendar. Limited scope: your attorney's first call is scheduled from your intake. Full representation: a paralegal reaches out the same or next business day to open your file and gather what's needed, then schedules your first attorney call — and if something is urgent, you speak with the attorney first.

It's easier than ever to retain an excellent attorney.

How you'll stay updated — you never have to wonder

Every client gets GavvLink™, our client portal, on day one. Your whole case — messages, calendar, billing, status — lives in one place, and your team is a message away.

Reach your attorney directly. Message, text, email, or call. Request a callback or book time on their calendar yourself — no waiting to hear back.
Case calendar with reminders. Every hearing, deadline, and milestone, with a reminder before each one.
Case status updates. See where your case stands and what happens next, updated as it moves.
Payments and billing in real time. Every entry on your account as it posts, plus links to make a payment or add funds.
Your case team, one message away. Full-representation clients message their paralegal and case manager the same way — and they answer.
24/7 receptionists and direct lines. Something urgent after hours? A live receptionist answers around the clock and reaches your team. You also have your attorney's direct line — and a way to reach the managing partners. We return calls and messages promptly.

Can I do this without an attorney?

sometimes, yes. Ohio lets you represent yourself, and for a genuinely agreed dissolution or a simple motion, some people do. The Hamilton County forms and local rules are linked in the questions below, and our free tools will draft a parenting plan or estimate child support before you spend anything.

Here's what the online-divorce platforms leave out: most Ohio counties require their own forms and language on top of the statewide ones, and a rejected filing is the most common reason people call us after trying it alone. A $25, 30-minute call tells you whether you can do this yourself — and if you can, we'll say so.

Schedule Your $25 Consultation

What Counts in an Ohio Child Support Calculation

What the worksheet counts	Counts toward support?	Notes
Both parents' gross income	Yes	Wages, salary, commissions, bonuses, and self-employment earnings
Health insurance for the children	Yes	Credited to the parent who pays the premium
Work-related childcare	Yes	Daycare and after-school costs are added in
Parenting time	Yes	Adjustments apply for substantial or equal parenting time
Imputed income	Sometimes	Added when a parent is voluntarily unemployed or underemployed
A new spouse's income	No	Only the two parents' incomes are counted

Where to File: Hamilton County Court of Domestic Relations

800 Broadway
Phone: (513) 946-9150
Hours: Monday–Friday, 8:00 AM – 4:00 PM
Website: Court website
e-Filing: Online e-filing portal

Juvenile Branch (Never-Married Parents)

Hamilton County Juvenile Court
800 Broadway
Phone: (513) 946-9431
Hours: Monday–Friday, 8:00 AM – 4:00 PM

Child Support is the right path if…

You need a first child-support order.
Your income or the other parent's income has changed and the current order is outdated.
Health-insurance or child-care costs have changed.
You were never married and need the Juvenile Court to set support.
You're married with no divorce pending and need a stand-alone support order (Section 10).

The other parent isn't paying what's already ordered? See enforcement & contempt.

Frequently Asked Questions

Which forms do I need to file for child support in Hamilton County?

Domestic Relations — establish support (married, Section 10)

Married, no divorce pending: establish a first support order in the Court of Domestic Relations.

Complaint for Child Support, Medical & Tax Exemption (CDR Form 1.31) — Married-parent support complaint under Section 10 when you need a support order but no divorce is pending.
Affidavit of Basic Information, Income, Expenses & Financial Disclosure (CDR Form 7.3) — Hamilton's local income/expense affidavit. Each party files their own; must be notarized.
Group Health Insurance Affidavit (CDR Form 7.16) — Discloses whether health insurance is available through either parent's employer so the court can order medical support.
Affidavit in Compliance with ORC 3127.23 / UCCJEA (CDR Form 2.1) — Lists where each child has lived for the last 5 years, confirming Ohio's jurisdiction. Required in any DR case with minor children.
Ohio Child Support Computation Worksheet (2024 Income Shares) — Run the official Ohio Child Support Calculator, print, and sign. Required any time the court sets or changes support.
IV-D Application for Child Support Services (ODHS/HC 7076) — Required whenever the court establishes, modifies, or enforces child support. The Hamilton County CSEA administers IV-D services.
Support Account Data Form (CDR 4905) — Account data the CSEA needs to set up income withholding for a new or modified support order.

Domestic Relations — change an existing order

Modify a support order issued by the Court of Domestic Relations.

Blank Motion (CDR Form 3.8) — Hamilton's general-purpose DR motion form. Used for post-decree support modifications, contempt, and other relief. Serve CSEA when support is involved.
Affidavit of Basic Information, Income, Expenses & Financial Disclosure (CDR Form 7.3) — Hamilton's local income/expense affidavit. Each party files their own; must be notarized.
Ohio Child Support Computation Worksheet (2024 Income Shares) — Run the official Ohio Child Support Calculator, print, and sign. Required any time the court sets or changes support.
IV-D Application for Child Support Services (ODHS/HC 7076) — Required whenever the court establishes, modifies, or enforces child support. The Hamilton County CSEA administers IV-D services.
Written Request for Service (CDR Form 43.7A) — Tells the Clerk how to serve the other party (certified mail, sheriff, etc.).

Juvenile Court — never-married parents

Establish or change support when the parents were never married.

Filing for Child Support — New Case (Complete Packet) — Juvenile Court packet to establish a first child-support order for never-married parents.
Ohio Child Support Computation Worksheet (2024 Income Shares) — Run the official Ohio Child Support Calculator, print, and sign. Required any time the court sets or changes support.

How to file child support in Hamilton County

Run the Ohio worksheet. Use the official Ohio Child Support Calculator to compute the presumed amount before you file.
Pick the right court. Married → Domestic Relations (Section 10 establish, or post-decree to modify). Never married → Juvenile Court.
Complete the packet. Attach the income affidavit (7.3 in DR), Group Health Insurance Affidavit, IV-D Application, and the signed worksheet.
File and serve. E-file in DR (pro se allowed) or file the Juvenile packet at 800 Broadway; pay the deposit or file a fee waiver, and request service.
Set up CSEA withholding. File the Support Account Data Form so the Hamilton County CSEA can start income withholding once the order is entered.

What does child support cost in Hamilton County?

Two numbers matter. The court's filing fee, which the Clerk sets and can confirm. And the attorney work: Our published flat fees from $1,095 cover drafting and filing the paperwork (limited scope — the court's filing fee is invoiced separately), with payment plans available. Prefer full representation? An attorney can carry the whole case on a retainer — every number is published in the pricing section above.

What forms do I need for child support in Hamilton County?

It depends on your situation — children, temporary orders, and which court you file in all change the packet. Answer the quick questions in the paperwork section above and your exact Hamilton County checklist appears, with every official form linked as a PDF.

How long does child support take in Hamilton County?

It depends on how much you and the other side agree. Agreed matters generally move through Hamilton County Court of Domestic Relations in months, not years; contested cases take longer. The part you control is filing a complete, correct packet the first time — bounced paperwork is the most common self-filing delay.

Do we really need lawyers if we agree?

Maybe not — and we'll say so at a $25 consultation. But an agreement only counts if it survives on paper, in the exact packet Hamilton County's court expects, and what you file becomes a binding court order that is hard to fix later. Precision drafting for people who already agree is most of what our flat-fee work is: done once, done right.

Where are the Hamilton County local rules, and what does this court do differently?

Judges, magistrates, and filing fees change, so we do not publish them here. Hamilton County posts the current information itself:

Hamilton County Court of Domestic Relations — local rules, standing orders, and the current judges and magistrates.
Hamilton County Clerk of Courts — current filing fees and deposits, e-filing, and case records.

Ohio's worksheet controls the number. Hamilton County does not use a local support formula. The 2024 statewide Income Shares worksheet — based on both parents' gross incomes, parenting time, health-insurance, and child-care costs — produces a presumed-correct amount. Estimate at ohiochildsupportcalculator.ohio.gov before filing.
Bring 3 years of income proof to modify. For a modification (R.C. 3119.05), the court wants pay stubs, employer statements, tax returns, documentation of any other support obligations, and documentation of overtime, commissions, and bonuses for the 3 years before the computation.
CSEA administers the order. Once support is ordered, the Hamilton County Child Support Enforcement Agency handles income withholding and payment records. File the IV-D Application (HC 7076) and Support Account Data Form (CDR 4905) so the order can be enforced.

Are there free legal resources in Hamilton County?

Hamilton County Domestic Relations Self-Help Resources. Complete listing of all Domestic Relations forms, dissolution merit instructions (Form 9.0), the decree checklist, and the Accept/Reject/Resubmit e-filing guidance at hamiltoncountyohio.gov.
Hamilton County Clerk of Courts E-Filing. Self-represented and represented parties can e-file Domestic Relations cases through the Clerk of Courts e-filing portal at courtclerk.org. Pro se registration is available; credit cards accepted with a convenience fee. Help line (513) 946-5612.
Hamilton County Job & Family Services — Child Support (CSEA). Hamilton County's IV-D child-support agency. Opens cases, runs wage withholding, distributes payments, and enforces orders. File the IV-D Application (HC7076) when establishing or modifying support.
Hamilton County Juvenile Court Help Center. A partnership with the UC College of Law offering low-income residents free education and limited legal advice on custody, parenting time, companionship, and support in Juvenile Court. 800 Broadway, 1st Floor; (513) 946-9440.
Legal Aid Society of Greater Cincinnati. Free civil legal aid for low-income Hamilton County families, including help with custody, support, and domestic-violence protection orders.

Related to your child support case

Paternity & Custody — Establish parentage and build a parenting plan that protects your children.
Post-Decree Modification — Update custody, support, or parenting orders after your case ends.
Spousal Support — Pursue or respond to alimony requests during and after divorce.

Related guides

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

Child Support Calculation in Ohio: How the Formula Works — Ohio calculates child support with the income shares model, combining both parents' incomes to set a shared obligation. Here's how the formula works and what changes the bottom line.
How to Modify Child Support in Ohio — Child support orders aren't permanent. When income or circumstances change substantially, Ohio lets you modify support — through a CSEA review or a court motion. Here's how.