New Mexico Child Support Resources: Know Your Number
FamilyCourtHelp is an independent educational platform. It is not a court, law firm, government agency, or government partner. We organize and link to publicly available resources published by courts and government agencies. Official requirements may change. Always confirm current requirements with the applicable court or clerk.
New Mexico sets child support with a written guideline, and the official worksheet is how the math gets shown to the judge. Both parents' income normally goes into the calculation, along with things like health insurance for the children and child care costs.
The official guideline materials for New Mexico are linked below, together with the verified support documents and the financial paperwork the court usually asks both sides to file. Our own calculator can give you a working estimate before you fill in the official worksheet.
Official New Mexico child support resources
Official links below open in a new tab. You are leaving FamilyCourtHelp and opening an external government or court website.
New Mexico child support guideline resources (nmcourts.gov): Official New Mexico child support guideline materials, worksheets, or calculators. https://www.nmcourts.gov/self-help/child-support.aspx
New Mexico financial affidavit and disclosure forms (nmcourts.gov): The official source for the financial disclosure paperwork most New Mexico family cases ask both sides to complete. https://www.nmcourts.gov/self-help/forms.aspx
New Mexico family law forms (official index) (New Mexico judicial branch): The official statewide collection of New Mexico family law forms. When a direct document link stops working, this index is where the current version lives. https://www.nmcourts.gov/forms.aspx
New Mexico court self-help resources (New Mexico courts self-help): Official self-help information for people handling their own New Mexico family case, including instructions and plain-language guides. https://nmcourts.gov/forms-files/self-help-guide/
eFile & Serve (Tyler Technologies): In New Mexico, family cases like divorce and custody are heard in district court, and only attorneys can e-file there. If you do not have a lawyer you take your forms to the district court clerk on paper, with the original plus two copies. https://newmexico.tylertech.cloud/ofsweb
Verified official New Mexico support documents
These official documents are the worksheets and orders New Mexico uses to set and record child support.
Child Support Guidelines View More (Child Support), official document: https://seconddistrict.nmcourts.gov/wp-content/uploads/sites/21/2024/03/2024NMChildSupportGuidelinesandSchedule.pdf
Child Support Obligation Worksheet (4A-303), form 4A-303 (Child Support), official document: https://nmcourts.gov/wp-content/uploads/sites/62/2023/11/4A-303.pdf
Default Order Establishing Parentage, Custody, Time-Sharing, and Child Support View More (Child Support), official document: https://seconddistrict.nmcourts.gov/wp-content/uploads/sites/21/2023/11/Default-Order-Establishing-Parentage.pdf
Instructions for Completing a Default Order Establishing Parentage, Custody, Time-sharing, and Child Support View More (Child Support), official document: https://seconddistrict.nmcourts.gov/wp-content/uploads/sites/21/2023/11/Instructions.pdf
Motion for Default Order Establishing Parentage, Custody, Time-sharing, and Child Support View More (Child Support), official document: https://seconddistrict.nmcourts.gov/wp-content/uploads/sites/21/2023/11/Motion-for-Default-Order-Establishing-Parentage.pdf
Motion for Referral to Mediation (Child Support or Other Financial Issues) View More (Child Support), official document: https://seconddistrict.nmcourts.gov/wp-content/uploads/sites/21/2023/11/13_MotionforReferraltoMediationCSOTFI.pdf
Official link data for New Mexico was last verified June 2026. Report anything outdated through our contact page and we will re-check the official source.
Frequently asked questions
How is child support calculated in New Mexico?
Through the state's written guideline, applied on the official worksheet. The guideline uses income and a defined list of add-ons rather than a judge's rough guess, so filling the worksheet in honestly is the single most useful thing you can do. Open the official New Mexico guideline materials above for the exact method.
Can the court order a different amount than the guideline?
A judge can depart from the guideline in some situations, but the order normally has to explain why. Start from the guideline number and be ready to say plainly what makes your case different.
How much does it cost to file a family case in New Mexico?
Dissolution filing fee: ~$137. If you cannot afford the fee, ask the clerk about a fee waiver or indigency application; every state has a process for requesting one.
Free co-parent text messaging with evidence organization and behavior pattern tools
Preparing for a family court conversation often starts with finding the right information. Free co-parent text messaging, evidence organization and behavior pattern tools help you connect selected messages, supporting records and dated observations so you can review the details and prepare questions for your attorney.
Free co-parent text messaging
Keep everyday discussions about your child's schedule, school and appointments in a time-stamped message history. A clear question and the replies that follow can be easier to review than scattered screenshots. Include the surrounding conversation when selecting messages for your records. Free direct text messaging gives you a starting point; optional calls and other tools have separate plan details.
Evidence Builder for case preparation
Organize selected messages, notes and supporting files with dates, clear titles and source descriptions. Keep original files available and distinguish what a record says from your explanation of it. Evidence Builder helps you assemble exhibits and find the material you want to discuss. It does not submit evidence to a court or determine whether any item will be accepted.
Review behavior patterns in context
Use behavior pattern tools to review communication over time and connect dated observations to their supporting records. Response timing, unanswered questions and member-added notes can provide starting points for your review. Check automated findings against the full conversation, including later replies or explanations. The tools do not establish intent, diagnose a parent or replace an attorney's assessment of your circumstances.
Direct text messaging is free. Optional tools, calls, reports and downloads may require a paid plan. Review the current pricing for what is included. See plans and pricing