WELCOME TO
Gassman Baiamonte Gruner, P.C.

Gassman Baiamonte Gruner, P.C., has established itself as Greater New York's premiere matrimonial and family law firm, and it is one of the most respected and sought-after matrimonial law firms servicing Long Island and the greater New York Metropolitan area. The firm's attorneys have devoted themselves exclusively to the highly specialized fields of matrimonial and family law, and have extensive experience dealing with a full range of matrimonial issues, among them: agreements (pre-nuptial, post-nuptial, and separation), custody and visitation, equitable distribution, spousal and child support issues, license and professional practice valuations, enforcement and modification proceedings, awards of counsel fees and experts fees, as well as an extensive family law appellate practice.
Matrimonial Law

Matrimonial Law

At the law offices of Gassman Baiamonte Gruner, P.C. we will provide you with a supportive atmosphere and a high level of personal service throughout the divorce proceedings.  
Marital Agreements

Marital Agreements

We have expertise in negotiating and preparing marital agreements including pre-marital agreements, post-marital agreements and separation agreements. 
Equitable Distribution

Equitable Distribution

Gassman Baiamonte Gruner, P.C. routinely advises clients on issues related to marital property and the state's equitable distribution rules.
Child Custody and Support

Child Custody and Support

Gassman Baiamonte Gruner, P.C. has extensive experience in a wide range of issues related to child custody and support.
Divorce Appeals and Modifications

Divorce Appeals and Modifications

If you have questions about appealing a divorce judgment or believe that there circumstances that justify a modification, call the law office of Gassman Baiamonte Gruner, P.C.

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Collaborative Law

Several of our attorneys have been trained by The New York Association of Collaborative Professionals to represent clients in the Collaborative Interdisciplinary Law Approach. 

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Matrimonial Law

Matrimonial Law

At the law offices of Gassman Baiamonte Gruner, P.C. we will provide you with a supportive atmosphere and a high level of personal service throughout the divorce proceedings.  

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Marital Agreements

Marital Agreements

We have expertise in negotiating and preparing marital agreements including pre-marital agreements, post-marital agreements and separation agreements. 

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Equitable Distribution

Equitable Distribution

Gassman Baiamonte Gruner, P.C. routinely advises clients on issues related to marital property and the state's equitable distribution rules.

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Child Custody and Support

Child Custody and Support

Gassman Baiamonte Gruner, P.C. has extensive experience in a wide range of issues related to child custody and support.

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Divorce Appeals and Modifications

Divorce Appeals and Modifications

If you have questions about appealing a divorce judgment or believe that there circumstances that justify a modification, call the law office of Gassman Baiamonte Gruner, P.C.

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Collaborative Law

Several of our attorneys have been trained by The New York Association of Collaborative Professionals to represent clients in the Collaborative Interdisciplinary Law Approach. 

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Contact us

We understand that most clients prefer to resolve their matrimonial difficulties on an amicable basis, and we pride ourselves in having significant experience negotiating equitable and just settlements whenever possible. We devote careful and meticulous attention to our clients and their cases, and we help our clients develop a case plan geared toward providing optimum results.

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