Family law representation throughout New York State · Practicing since 1997

Adultery Divorce Lawyer Nassau County, NY

Toll-free intake · Consultations by appointment · Intake available in English and Spanish

Adultery Divorce Lawyer Nassau County, NY



Adultery Divorce Lawyer Nassau County, NY

When a marriage breaks down because one spouse has been unfaithful, the legal path forward is governed by New York’s fault‑based divorce statute. In Nassau County, a divorce on the ground of adultery is filed in the Supreme Court of the State of New York, Nassau County, located at 100 Supreme Court Drive, Mineola, NY 11501. Law Offices Of SRIS, P.C. represents clients in divorce actions where adultery is alleged—whether you are the spouse seeking to prove the fault ground or the spouse against whom the accusation is made. Mr. Sris, Owner and Founder of the firm, practices since 1997 and concentrates on family law across New York, including all of Long Island. To request a consultation, reach our New York location at (888) 437‑7747. Law Offices Of SRIS, P.C. – Advocacy Without Borders.

What Adultery Divorce Means in Nassau County, New York

Under New York Domestic Relations Law § 170(7), adultery is a fault‑based ground for divorce. The party who files the action must present admissible evidence that the other spouse committed an act of sexual intercourse with a person other than the filing spouse during the marriage. Unlike no‑fault divorce—which requires only a sworn statement that the marriage has been irretrievably broken for at least six months—an adultery ground demands a higher evidentiary standard. The proof required in a Nassau County Supreme Court proceeding may include testimony, electronic records, financial documents, or private investigator reports. Because the court applies strict rules of evidence, an experienced family law attorney can help evaluate whether the available proof meets the statutory threshold before a complaint is filed.

Even though New York’s equitable distribution laws and maintenance guidelines apply regardless of the ground for divorce, a proven adultery claim can sometimes influence the court’s decisions on financial matters. For example, if marital assets were dissipated to fund the extramarital relationship, the court may adjust the division of property or take the misconduct into account when considering the factors under DRL § 236. However, adultery alone does not automatically bar a spouse from receiving spousal support. The outcome depends on the specific facts and the judge’s assessment of all statutory factors. Mr. Sris and his Of Counsel team guide clients through these complexities, ensuring that the divorce proceeding addresses both the fault allegation and the protection of the client’s financial interests.

Nassau County Supreme Court Court hours: Mon-Fri 9:00AM-5:00PM. Counsel appearing on family law matters should plan filings accordingly.

For residents of Mineola, Garden City, Hempstead, Long Beach, Valley Stream, Hicksville, Levittown, Freeport, Rockville Centre, Glen Cove, Oyster Bay, Great Neck, Massapequa, Syosset, and surrounding communities, a divorce case proceeds in the 10th Judicial District. The Nassau County Supreme Court has a dedicated matrimonial part that handles all divorce and equitable distribution matters, while the Nassau County Family Court oversees custody, visitation, child support, paternity, and family offense petitions. Because a fault ground can add contention to an already difficult process, early consultation with a knowledgeable divorce lawyer helps parties understand what to expect during the procedural steps—from the filing of the summons and complaint to the mandatory settlement conference and, if necessary, trial.

How Mr. Sris and His Of Counsel Handle Adultery Divorce Cases

Law Offices Of SRIS, P.C. takes a thorough approach to every adultery‑based divorce, beginning with a confidential case evaluation. Mr. Sris and his Of Counsel review the viability of the adultery ground under DRL § 170(7) and discuss the potential impact on equitable distribution, maintenance, and custody. If the evidence supports the claim, the firm prepares and files the necessary pleadings in Nassau County Supreme Court, along with any pendente lite motions to secure temporary spousal support, exclusive use of the marital residence, or other interim relief while the matter is pending. Residency requirements are satisfied as long as either party has lived in New York for a continuous period of at least two years immediately before the action, or for one year if the couple was married in New York and resided in the state as a married couple.

For clients who are accused of adultery, the legal strategy focuses on challenging the sufficiency of the evidence, examining procedural compliance, and working toward a resolution that avoids the expense and publicity of a trial. Even when the alleged fault ground is contested, a negotiated settlement—often through mediation or a collaborative law process—can resolve the issues of property division, support, and parenting without the court issuing a formal finding of adultery. Mr. Sris and his Of Counsel have handled thousands of family law matters since 1997 and draw on that collective experience to pursue creative settlement solutions whenever possible while remaining ready to litigate if a fair agreement cannot be reached.

About Mr. Sris and His Of Counsel Team

Mr. Sris, Owner and Founder of Law Offices Of SRIS, P.C., is a former prosecutor who founded the firm in 1997. He is admitted to practice in Virginia, Maryland, the District of Columbia, New Jersey, and New York. Over more than two decades, Mr. Sris has concentrated his practice on family law and divorce, including fault‑based grounds like adultery. He has testified before the Virginia House Courts of Justice Committee in support of 2019 HB 635 (chief patron Del. David Bulova). Mr. Sris works with a team of experienced Of Counsel attorneys who share the firm’s commitment to thorough preparation and individualized client service.

Verify admissions: Virginia State Bar | Maryland Judiciary | DC Bar | NJ Courts | NY OCA

Over 120 years of combined legal experience between Mr. Sris and his Of Counsel inform every case. Results may vary. Mr. Sris and his Of Counsel have documented 4,739+ case results across all practice areas since 1997.

Frequently Asked Questions

If my spouse committed adultery, can I file for divorce in Nassau County?

Yes. New York Domestic Relations Law § 170(7) allows a divorce based on adultery, provided the evidence meets the court’s requirements. To file in Nassau County, at least one spouse must meet the residency requirement (two years of continuous New York residence or one year if married in New York). The divorce complaint is filed in Nassau County Supreme Court. Because proving adultery requires more than mere suspicion, you should gather any available evidence—such as emails, text messages, financial records, or third‑party testimony—and discuss its admissibility with an experienced divorce lawyer. A well‑prepared case can use that evidence to establish the ground while working toward a fair resolution of marital property, support, and custody.

How does adultery affect alimony or property division in New York?

Adultery can influence a court’s decision on equitable distribution and maintenance, but it does not automatically change the outcome. Under DRL § 236, the court considers a list of statutory factors, including any conduct that affects the marital property or the economic circumstances of the parties. If adultery led to the dissipation of assets—such as money spent on the extramarital relationship—the court may compensate the innocent spouse by adjusting the division of property. Spousal support is governed by a statutory formula, and the fault ground may be considered when the formula yields an unjust result. Consult with a family law attorney to understand how the specific facts of your case could affect the financial aspects of your divorce.

How long does a divorce take in Nassau County when adultery is alleged?

The timeline varies significantly; an uncontested divorce may resolve in several months, while a contested adultery case often takes longer than a year. If both spouses agree on all issues—including the fault ground—and the necessary documents are filed promptly, the court can grant the divorce relatively quickly. When the adultery allegation is disputed, the pre‑trial phase includes discovery, depositions, and motion practice, which can extend the timeline. The court’s calendar and the availability of the matrimonial part also play a role. Mr. Sris and his Of Counsel can give you a better estimate during your initial consultation after reviewing the specifics of your situation.

What should I bring to a consultation with an adultery divorce lawyer?

Bring any documentation related to your marriage, your finances, and the evidence of adultery. This includes tax returns, pay stubs, bank and credit card statements, deeds, retirement account statements, and any correspondence that may support or refute the allegation. A list of questions you have about the divorce process, child custody, and support can help you make the most of the meeting. During the consultation, Mr. Sris and his Of Counsel will review the information you provide and explain the legal options available under New York law. To schedule a confidential consultation, contact Law Offices Of SRIS, P.C. at (888) 437‑7747.

Do I need a lawyer if my spouse has already admitted adultery?

Even when fault is not in dispute, legal representation helps protect your rights regarding property, support, and custody. An admission of adultery may simplify the ground for divorce, but the financial and parenting issues still require careful attention. A lawyer can draft a settlement agreement that accurately reflects the division of assets, the calculation of maintenance and child support, and the parenting plan. Without professional guidance, you might unknowingly waive rights or agree to terms that do not serve your long‑term interests. For guidance on your specific situation, reach Law Offices Of SRIS, P.C. at (888) 437‑7747.

Which New York divorce grounds can be used instead of adultery?

In addition to adultery, New York law provides several other fault grounds and a no‑fault ground. The no‑fault ground, under DRL § 170(7), requires only a sworn statement that the marriage has been irretrievably broken for at least six months. Other fault grounds include cruel and inhuman treatment, abandonment for one or more years, and imprisonment for three or more consecutive years. A no‑fault divorce is generally simpler because it does not require proving misconduct. However, if you have strong evidence of adultery and believe it should be reflected in the divorce judgment, you may still pursue that ground. An attorney can help you weigh the advantages and drawbacks of each option.

Last reviewed: June 2026

Attorney advertising. Prior results do not guarantee a similar outcome.

Case results depend on a variety of factors unique to each case.

All practice pages

Reviewed by Mr. Sris, Owner and Founder.

Attorney advertising. This page is for general informational purposes only and does not constitute legal advice, nor does it create an attorney-client relationship. Statutes and their application change and vary by case. Prior results do not guarantee a similar outcome; results may vary. For advice about your specific situation, consult a licensed attorney. Attorney responsible for this advertising: Mr. Sris.