Infidelity changes how a divorce plays out, even though Maryland no longer treats it as a legal reason to file. For decades, adultery was one of several fault grounds a spouse could use to end a marriage faster or strengthen a claim for support. As of October 1, 2023, Maryland law removed fault-based grounds for divorce and introduced mutual consent, a six-month separation period, and irreconcilable differences as the new grounds. That shift surprises many people who assume an affair will automatically swing a settlement in their favor.
The truth is more nuanced. Infidelity can still shape alimony, property division, and, in limited situations, custody, depending on how it connects to the marriage’s breakdown and the family’s finances. Learn how infidelity affects divorce in Maryland today, what evidence actually matters, and where a fault-based divorce attorney’s experience still makes a real difference in outcome.
Adultery Eliminated as Divorce Grounds in Maryland
Before 2023, a spouse could file for divorce on fault grounds such as adultery, desertion, or cruelty, and skip the waiting periods required for no-fault filings. Today, every divorce in the state proceeds under one of three grounds: mutual consent, six-month separation, or irreconcilable differences.
This means a spouse who had an affair cannot be sued for adultery in the divorce filing, and a spouse who was cheated on cannot use that fact to skip the separation requirement. The law simplified the front end of the process, but it didn’t entirely remove infidelity from the conversation. Marital conduct still surfaces later, when the court divides money and property.
This is the distinction most people miss when they search for a fault-based divorce attorney. Maryland is now no-fault for filing purposes, but judges still weigh how a marriage fell apart when deciding financial outcomes.
How Infidelity Affects Divorce Through Alimony
Alimony decisions in Maryland rest on 12 statutory factors, and one directly addresses marital misconduct: thecircumstances that contributed to the parties’ estrangement. Adultery fits into that factor.
A judge won’t treat an affair as an automatic basis for awarding or denying alimony. Instead, it gets weighed alongside the other eleven factors, including the length of the marriage and each spouse’s earning capacity.
So, does infidelity affect alimony? It can have an impact, especially if the affair is linked to financial damage, such as a spouse using marital assets to support an outside relationship. But infidelity alone rarely decides the outcome.
Infidelity and Property Division in Maryland
Maryland divides marital property under equitable distribution, not a strict 50/50 split. Marital property encompasses all assets obtained during the marriage, irrespective of whose name is on the ownership document. Courts must weigh the circumstances that contributed to the estrangement of the parties alongside factors such as each spouse’s contributions and economic circumstances.
Infidelity and property division intersect most clearly in dissipation claims. If one spouse spent significant marital assets to support an affair, such as on travel, gifts, or a second residence, the court can account for that when dividing what remains. The unfaithful spouse doesn’t lose their share outright, but a judge may award the other spouse a larger share to offset what was spent outside the marriage.
This is where documentation becomes necessary. Bank statements and financial transfers tend to carry more weight than a confession or text message alone.
Does Adultery Affect Custody in Maryland?
Custody decisions turn on the best interests of the child, and infidelity by itself does not establish that a parent is unfit. Maryland courts have determined that adultery can be a significant factor in making custody decisions. However, it does not create a presumption of unfitness.
In practice, an affair will not, on its own, cost a parent custody or parenting time. It becomes relevant only if the relationship caused demonstrable harm to the child, such as exposing them to instability or an unsafe environment. Courts prioritize evaluating parental fitness and stability rather than assigning responsibility for the dissolution of the marriage.
What Evidence Matters in These Cases
Because Maryland no longer requires proof of adultery to file for divorce, the evidence question shifts. Spouses raising infidelity in alimony or property division cases typically need to show:
- Financial records tying marital funds to the affair, such as hotel charges or transfers to a separate account
- Communication records, when relevant to demonstrating the dissipation of assets
- Timeline documentation connecting the affair to specific financial decisions
Speculation isn’t enough. Courts expect documentation that ties the misconduct to a financial or custodial outcome, not just proof that the affair happened.
Why Experience With Fault-Based Cases Still Matters
Even though fault grounds no longer exist on paper, the terrain of an infidelity case hasn’t gotten simpler. Attorneys who understand how marital misconduct intersects with alimony factors, dissipation claims, and the custody standard are better positioned to build a case that reflects the full picture of the marriage. Marital misconduct divorce cases require a careful read of timing, documentation, and how a judge in a particular county tends to weigh the estrangement factor.
Expectations also need to be realistic. An affair might influence the edges of a settlement, but it rarely determines the whole outcome.
Talk to Milstein Siegel About Your Case
We know how personal and painful it feels when infidelity is part of why a marriage is ending. At Milstein Siegel, our attorneys help clients across Maryland separate the emotional weight of an affair from the legal questions that shape a settlement, alimony award, or custody arrangement. We work to gather the right documentation, present it clearly, and set expectations that align with how Maryland courts handle these cases today.
If infidelity is part of your situation and you want to understand your options, reach out online or call (443) 230-4674 to schedule a consultation with our team.
