Support in Maryland (2026)

The 2020 Shared Custody Reform: Eliminating the “Cliff Effect”

Maryland made a significant change to its child support system in October 2020 when Senate Bill 579 introduced graduated adjustments that eliminated the former “cliff effect” in shared custody calculations. Previously, the shared custody formula only kicked in at 128 overnights (35%), meaning a parent with 127 overnights received no shared custody adjustment at all — a single overnight could swing the support obligation dramatically.

Under the reformed system:

• 92 to 127 overnights (25% to under 35%): Graduated multipliers phase in the shared custody adjustment, smoothing the transition between sole and shared custody calculations.
• 128 or more overnights (35% or more): The full shared custody formula under Section 12-204(d) applies, multiplying the basic obligation by 1.5 and adjusting each parent’s share based on the percentage of overnights.

This reform reduced litigation over marginal overnights and created a more equitable system for parents who share significant but not equal parenting time.

How Maryland Calculates Child Support

Maryland uses an income shares model codified in Md. Code, Family Law Section 12-201 et seq. The model ensures that children receive the same proportion of parental income they would have received if the family had remained intact.

The calculation begins with each parent’s actual income, which includes salaries, wages, commissions, bonuses, overtime, pensions, Social Security benefits, workers’ compensation, unemployment insurance, disability benefits, alimony or maintenance received, and other income sources. Courts may impute income to a parent who is voluntarily unemployed or underemployed without just cause, based on factors such as prior work history, qualifications, and prevailing job opportunities.

Both parents’ actual incomes are combined, and the guidelines schedule under Section 12-204 identifies the basic child support obligation based on the combined monthly income and the number of children. Each parent’s share is proportional to their percentage of the combined income. Work-related child care costs and extraordinary medical expenses are added and apportioned in the same proportion. The cost of health insurance for the child is also factored in.

For a general overview of income shares models, see our guide on how child support is calculated. You can also estimate your potential obligation with our child support calculator.

The Unconscionable Disparity Standard for Indefinite Alimony

Maryland’s alimony framework includes one of the most distinctive standards in the country for awarding indefinite alimony. Under Section 11-106, the court may award indefinite alimony in only two circumstances:

1. The spouse seeking alimony cannot reasonably be expected to make substantial progress toward becoming self-supporting due to age, illness, infirmity, or disability, OR
2. Even after the recipient makes maximum reasonable progress toward self-support, the respective standards of living of the parties will be unconscionably disparate

The “unconscionable disparity” test is intentionally stringent. Maryland courts have consistently held that a mere disparity in income is not enough — the disparity must be so extreme that it shocks the conscience. This standard makes indefinite alimony the most difficult type to obtain in Maryland and reflects the state’s strong policy preference for rehabilitative awards that encourage financial independence.

Types of Alimony in Maryland

Maryland recognizes several forms of alimony under Md. Code, Family Law Section 11-106:

• Temporary alimony (alimony pendente lite). Awarded during the divorce proceedings to maintain the status quo. Calculated separately from the final alimony determination.
• Rehabilitative alimony. The most commonly awarded form. Designed to support a spouse for a defined period while they obtain the education, training, or experience necessary to become self-supporting. Courts favor this type when rehabilitation is feasible.
• Indefinite alimony. Awarded only when the unconscionable disparity standard or the inability-to-become-self-supporting standard is met. This is the most difficult type to obtain.

Factors in Alimony Determinations

Under Section 11-106(b), the court must consider:

• The ability of the party seeking alimony to be wholly or partly self-supporting
• The time necessary to gain sufficient education or training to enable suitable employment
• The standard of living established during the marriage
• The duration of the marriage
• The contributions, monetary and nonmonetary, of each party to the well-being of the family
• The circumstances that contributed to the estrangement of the parties
• The age of each party
• The physical and mental condition of each party
• The ability of the party from whom alimony is sought to meet that party’s needs while paying alimony
• Any agreement between the parties
• The financial needs and resources of each party, including income and assets

Maryland considers the circumstances that contributed to the estrangement — meaning that fault, while not a ground for divorce (since the 2023 reform), remains a relevant factor in alimony decisions.

Modifying or Terminating Child Support

Either parent may file for modification by showing a material change of circumstances. Maryland law also permits modification when application of the current guidelines would result in an amount that differs from the existing order by a significant margin.

Child support in Maryland generally continues until the child turns 18, or until age 19 if the child is still enrolled in secondary school. Support also terminates upon the child’s marriage, emancipation, or entry into military service.

Enforcement of Child Support Orders

Maryland’s Child Support Enforcement Administration has a wide range of enforcement tools:

• Income withholding from wages
• Interception of state and federal tax refunds
• Suspension of driver’s licenses and professional licenses
• Liens on real and personal property
• Reporting to credit bureaus
• Contempt of court proceedings, which can result in incarceration

Arrearages accrue interest and cannot be retroactively forgiven. Modifications apply only from the date the motion is filed.

Modification and Termination of Alimony

Alimony in Maryland may be modified upon a showing of a material change of circumstances, unless the parties’ agreement or the court’s order provides otherwise. Alimony terminates upon the death of either party, the remarriage of the recipient, or as otherwise specified in the court’s order.

Indefinite alimony may be revisited if the recipient’s financial circumstances improve to the point that the unconscionable disparity standard is no longer met.

When to Seek Legal Guidance

Maryland’s distinction between rehabilitative and indefinite alimony, the unconscionable disparity standard, and the 2020 graduated shared custody reform create important strategic considerations. If you are navigating a support issue in Maryland, consider scheduling a free consultation with an experienced family law professional.

Frequently Asked Questions

How is child support calculated in Maryland?

Maryland uses the income shares model under Md. Code, Family Law Section 12-201 et seq. Both parents’ actual incomes are combined, and the guidelines schedule identifies the basic obligation by combined monthly income and number of children. Each parent’s share is proportional to their percentage of the combined income. Childcare, health insurance, and extraordinary medical expenses are added and apportioned proportionally.

How does shared custody affect child support in Maryland?

Since October 2020, graduated adjustments begin when the non-custodial parent has the child for at least 92 overnights per year (25%). From 92 to 127 overnights, multipliers phase in the adjustment. At 128 or more overnights (35%), the full shared custody formula under Section 12-204(d) applies, multiplying the basic obligation by 1.5 and adjusting each parent’s share based on the percentage of overnights.

How long does child support last in Maryland?

Child support continues until the child turns 18, or until age 19 if the child is still enrolled in secondary school. Support also terminates upon the child’s marriage, emancipation, or entry into military service.

Does Maryland use a formula for alimony?

No. Maryland courts exercise discretion based on statutory factors including the length of the marriage, standard of living, financial needs and resources of each party, and contributions to the marriage. The court considers both the ability to pay and the need for support.

What does “unconscionably disparate” mean for indefinite alimony?

It is the standard Maryland courts use to determine whether indefinite alimony is warranted. Even after the requesting spouse has made maximum reasonable efforts to become self-supporting, if the resulting standards of living between the two parties would be so dramatically different that it shocks the conscience, the court may award indefinite alimony. A simple income gap is not enough — the disparity must be extreme.

How did the 2020 reform change shared custody child support?

Before October 2020, Maryland’s shared custody formula only applied at 128 overnights (35%), creating a “cliff effect” where a single overnight could dramatically change the support amount. Senate Bill 579 introduced graduated adjustments starting at 92 overnights (25%), smoothing the transition and reducing litigation over marginal overnight counts.

How This Guide Was Researched

This guide is based on a detailed analysis of Md. Code, Family Law Section 12-201 et seq. (child support guidelines), including the guidelines schedule under Section 12-204, the graduated shared custody adjustments introduced by Senate Bill 579 (October 2020), and the shared custody formula under Section 12-204(d). Alimony provisions were drawn from Section 11-106, including the unconscionable disparity standard for indefinite alimony. We consulted the Maryland Child Support Enforcement Administration resources, the Maryland Courts’ online child support calculator documentation, the Maryland General Assembly’s legislative records for SB 579, and Maryland State Bar Association family law publications.

Sources and Legal References

• Md. Code, Family Law Section 12-201 et seq. — Child support guidelines and income shares model
• Md. Code, Family Law Section 12-204 — Guidelines schedule, shared custody formula, and graduated adjustments
• Senate Bill 579 (2020) — Graduated shared custody adjustments eliminating the cliff effect at 92 overnights
• Md. Code, Family Law Section 11-106 — Alimony types (rehabilitative, indefinite, pendente lite), factors, and unconscionable disparity standard
• Md. Code, Family Law Section 10-119 — Child support enforcement authority

Official Maryland Resources

• Maryland Courts — Divorce
• Maryland Family Help Centers
• Maryland Child Support Enforcement Administration

For more about how we research our guides, see our editorial policy and sources methodology.

Related Guides

• Maryland child support guidelines and calculations — Detailed breakdown of Maryland’s guidelines
• Maryland alimony factors and types — In-depth analysis of Maryland’s alimony framework
• Divorce in Maryland — Maryland’s 2023 no-fault reform and process
• Child custody in Maryland — Maryland’s 2025 codification of best interest factors
• Maryland marital vs. separate property — Property classification in Maryland
• Modifying child support — When and how to seek a modification
• How alimony is calculated — Comparing alimony approaches nationally
• Child support calculator — Estimate your potential obligation