CONTACT US

(480) 284-2644

SULLIVAN LAW OFFICE

Mesa Family Law Attorney Serving Families In Maricopa County With Compassion and Strength

Divorce

Paternity Cases

Spousal Maintenance

Prenuptial & Postnuptial Agreements

Collaborate Divorce

Child Custody

Divorce Mediation

Legal Document Preparation

Family Law

Child Custody

Welcome To Sullivan Law Office

Your Mesa Family Law Attorney Providing Exceptional Family Law Representation

Sullivan Law Office

Our Comprehensive Family Law Services Across The Valley

Sullivan Law Offices offer comprehensive and reliable family law services to Arizona families in Maricopa County while having three convenient locations across the valley including offices in Peoria, Phoenix, and our main office in Mesa, AZ. Led by family law attorney Dianne Sullivan, we are committed to providing exceptional family law representation with a focus on practical solutions and professional integrity.

Our Mesa family lawyer and her professional team are dedicated to helping you and your family achieve the best possible outcomes in the following practice areas:

  • Divorce

  • Child Custody

  • Child Support

  • Spousal Maintenance Agreements

  • Paternity

  • Divorce Mediation

  • Prenuptial & Postnuptial Agreements

  • Estate Planning

  • Family Law

  • Legal Document Preparation

  • Divorce

  • Child Custody

  • Child Support

  • Spousal Maintenance Agreements

  • Paternity

  • Divorce Mediation

  • Prenuptial & Postnuptial Agreements

  • Estate Planning

  • Family Law

  • Legal Document Preparation

Sullivan Law Office

Filing For Divorce In Mesa, AZ

We understand the complexities of divorce cases and provide expert guidance and representation in both contested and uncontested divorce cases to help you confidently navigate the legal process. Our Mesa divorce lawyer’s professional services include legal advice, negotiation, and litigation to protect your rights and assets if necessary.

Sullivan Law Office

Child Custody In Mesa, AZ

We know how important your children are to you. We are highly experienced in handling child custody matters. Our dedicated family lawyer will assist in determining custody arrangements in the child’s best interests and strive to achieve fair and reasonable custody agreements through negotiation or litigation.

Sullivan Law Office

Child Support In Mesa, AZ

Our family lawyer will help you understand your rights and obligations regarding child support. Our services include calculating child support, modifying existing orders, and advocating for your interests in child support disputes.

Sullivan Law Office

Spousal Maintenance Agreements In Mesa, AZ

We assist in negotiating and drafting spousal maintenance agreements that protect your rights and financial interests. Our family lawyer represents spousal maintenance disputes, ensuring the agreement is fair and reasonable.

Sullivan Law Office

Paternity Cases In Mesa, AZ

We handle paternity cases with sensitivity and skill, helping you establish or challenge paternity rights and obligations. If you are facing a paternity-related legal issue, we are here to help.  We recognize the importance of fathers in a child’s life, and we are well-versed in the evolving landscape of family law courts in Arizona

Sullivan Law Office

Divorce Mediation In Mesa, AZ

Divorce mediation can be a cost-effective and efficient way to resolve issues related to divorce, while also preserving relationships and minimizing conflict. Our Mesa divorce mediator can help guide you through the process of divorce mediation and ensure that both parties are able to communicate effectively and come to a mutually beneficial agreement.

Sullivan Law Office

Prenuptial & Postnuptial Agreements In Mesa, AZ

Prenuptial and postnuptial agreements are legal agreements between two people that outline the division of assets and property in the event of a divorce or separation. The main difference between the two is that a prenuptial agreement is signed before marriage, while a postnuptial agreement is signed after the marriage has already taken place. Contact our family law attorney today if you are interested in learning more about prenuptial or postnuptial agreements.

Sullivan Law Office

Estate Planning In Mesa, AZ

Our dedicated estate planning lawyer offers comprehensive estate planning services, including wills, trusts, powers of attorney, and advance directives. We work closely with you to develop a personalized estate plan that meets your goals and protects your loved ones.

Sullivan Law Office

Helping Families In Maricopa County

Family disputes can be emotionally taxing and overwhelming, leaving many unsure of where to turn. Thankfully, you have access to a skilled family law attorney who can provide the guidance and support you need to navigate these difficult times.

Sullivan Law Office

Legal Document Preparation In Mesa, AZ

Our family law firm helps prepare documents for our Arizona clients. Some of the legal documents we help prepare include parenting plans, property settlement agreements, prenuptial and postnuptial agreements, and separation agreements.

  • Divorce

  • Child Custody

  • Child Support

  • Financial Disputes

  • Spousal Maintenance Agreements

  • Paternity

  • Divorce Mediation

  • Prenuptial & Postnuptial Agreements

  • Estate Planning

  • Family Trusts

  • Legal Document Preparation

Sullivan Law Office

Filing For Divorce In Mesa, AZ

We understand the complexities of divorce cases and provide expert guidance and representation in both contested and uncontested divorce cases to help you confidently navigate the legal process. Our Mesa divorce lawyer’s professional services include legal advice, negotiation, and litigation to protect your rights and assets if necessary.

Sullivan Law Office

Child Custody In Mesa, AZ

We know how important your children are to you. We are highly experienced in handling child custody matters. Our dedicated family lawyer will assist in determining custody arrangements in the child’s best interests and strive to achieve fair and reasonable custody agreements through negotiation or litigation.

Sullivan Law Office

Child Support In Mesa, AZ

Our family lawyer will help you understand your rights and obligations regarding child support. Our services include calculating child support, modifying existing orders, and advocating for your interests in child support disputes.

Sullivan Law Office

Family Law Financial Disputes In Mesa, AZ

The family law attorney at our law firm has extensive experience handling financial disputes in family law matters, including property division, asset protection, and division of debts. We provide strategic advice and representation to help you achieve a fair and equitable resolution.

Sullivan Law Office

Spousal Maintenance Agreements In Mesa, AZ

We assist in negotiating and drafting spousal maintenance agreements that protect your rights and financial interests. Our family lawyer represents spousal maintenance disputes, ensuring the agreement is fair and reasonable.

Sullivan Law Office

Paternity Cases In Mesa, AZ

We handle paternity cases with sensitivity and skill, helping you establish or challenge paternity rights and obligations. If you are facing a paternity-related legal issue, we are here to help.  We recognize the importance of fathers in a child’s life, and we are well-versed in the evolving landscape of family law courts in Arizona

Sullivan Law Office

Divorce Mediation In Mesa, AZ

Divorce mediation can be a cost-effective and efficient way to resolve issues related to divorce, while also preserving relationships and minimizing conflict. Our Mesa divorce mediator can help guide you through the process of divorce mediation and ensure that both parties are able to communicate effectively and come to a mutually beneficial agreement.

Sullivan Law Office

Prenuptial & Postnuptial Agreements In Mesa, AZ

Prenuptial and postnuptial agreements are legal agreements between two people that outline the division of assets and property in the event of a divorce or separation. The main difference between the two is that a prenuptial agreement is signed before marriage, while a postnuptial agreement is signed after the marriage has already taken place. Contact our family law attorney today if you are interested in learning more about prenuptial or postnuptial agreements.

Sullivan Law Office

Estate Planning In Mesa, AZ

Our dedicated estate planning lawyer offers comprehensive estate planning services, including wills, trusts, powers of attorney, and advance directives. We work closely with you to develop a personalized estate plan that meets your goals and protects your loved ones.

Sullivan Law Office

Helping Families In Maricopa County

Family disputes can be emotionally taxing and overwhelming, leaving many unsure of where to turn. Thankfully, you have access to a skilled family law attorney who can provide the guidance and support you need to navigate these difficult times.

Sullivan Law Office

Legal Document Preparation In Mesa, AZ

Our family law firm helps prepare documents for our Arizona clients. Some of the legal documents we help prepare include parenting plans, property settlement agreements, prenuptial and postnuptial agreements, and separation agreements.

We understand the complexities of divorce cases and provide expert guidance and representation in both contested and uncontested divorce cases to help you confidently navigate the legal process. Our Mesa divorce lawyer’s professional services include legal advice, negotiation, and litigation to protect your rights and assets if necessary.

We know how important your children are to you. We are highly experienced in handling child custody matters. Our dedicated family lawyer will assist in determining custody arrangements in the child’s best interests and strive to achieve fair and reasonable custody agreements through negotiation or litigation.

Our family lawyer will help you understand your rights and obligations regarding child support. Our services include calculating child support, modifying existing orders, and advocating for your interests in child support disputes.

The family law attorney at our law firm has extensive experience handling financial disputes in family law matters, including property division, asset protection, and division of debts. We provide strategic advice and representation to help you achieve a fair and equitable resolution.

We assist in negotiating and drafting spousal maintenance agreements that protect your rights and financial interests. Our family lawyer represents spousal maintenance disputes, ensuring the agreement is fair and reasonable.

We handle paternity cases with sensitivity and skill, helping you establish or challenge paternity rights and obligations. If you are facing a paternity-related legal issue, we are here to help. We recognize the importance of fathers in a child’s life, and we are well-versed in the evolving landscape of family law courts in Arizona

Divorce mediation can be a cost-effective and efficient way to resolve issues related to divorce, while also preserving relationships and minimizing conflict. Our Mesa divorce mediator can help guide you through the process of divorce mediation and ensure that both parties are able to communicate effectively and come to a mutually beneficial agreement.

Prenuptial and postnuptial agreements are legal agreements between two people that outline the division of assets and property in the event of a divorce or separation. The main difference between the two is that a prenuptial agreement is signed before marriage, while a postnuptial agreement is signed after the marriage has already taken place. Contact our family law attorney today if you are interested in learning more about prenuptial or postnuptial agreements.

Our dedicated estate planning lawyer offers comprehensive estate planning services, including wills, trusts, powers of attorney, and advance directives. We work closely with you to develop a personalized estate plan that meets your goals and protects your loved ones.

The estate planning attorney at Sullivan Law Offices provides exceptional advice and assistance in setting up and managing family trusts. Our estate planning services include drafting trust documents, advising on trust administration, and representing your interests in trust disputes.

Our family law firm helps prepare documents for our Arizona clients. Some of the legal documents we help prepare include parenting plans, property settlement agreements, prenuptial and postnuptial agreements, and separation agreements.

OUR SERVICES

Practice Areas

With exceptional legal skills, practical solutions, and professional integrity, Dianne Sullivan works hard to help you get the best possible results in the following practice areas:

Divorce

Paternity Cases

Spousal Maintenance

Prenuptial & Postnuptial Agreements

Child Custody

Divorce Mediation

Legal Document Preparation

Sullivan Law Office

Coping With Stress And Emotions In Mesa Divorce And Child Custody Cases

Deciding to end a marriage can be mentally and emotionally taxing. Still, we also know that once that decision has been made, it is essential to approach the process rationally and practically. 

Whether you are concerned about protecting your present and future interests or your children’s interests, we can help you navigate the legal complexities of the divorce process. Our experienced Arizona family law attorney will help you address the legal and emotional issues that may arise during this time.

Fair & Firm:

The Mesa Family Lawyer You Need By Your Side

As a seasoned family law litigator with decades of courtroom experience, family law attorney Dianne Sullivan understands the complexities of family law in Arizona. She has deep compassion for families and the laws that govern them. Her mindful approach to legal representation ensures that families receive fair and just treatment.

“When I represent families, I look at them holistically, beyond simply being another case to win. At heart is a family in need who has entrusted me with their immediate future, emotional well-being, and financial stability. My goal is to deliver a mindful process to heal their family by resolving the issue as quickly and smoothly as possible, in the most respectful way.” – Dianne Sullivan

With family law attorney Dianne Sullivan’s unwavering commitment to fairness, compassion, and expertise, you can trust that your family law matters will be handled with care and professionalism. Contact the Sullivan Law Office today for compassionate and skilled family law services focused on your best interest.

Sullivan Law Office

More Reasons To Choose Our Family Law Attorney For Your Mesa Family Needs

Arizona family law is unique and requires a deep understanding of state laws and regulations. From divorce and child custody battles to paternity cases and financial disputes, family law matters can have long-lasting consequences for your family’s well-being and financial stability. A knowledgeable family lawyer well-versed in Arizona family law is crucial to navigating these complex legal matters successfully.

At Sullivan Law Office, we stand out as the family law attorney Mesa, AZ trusts for several reasons:

We Pay Close Attention To Each Client’s Family Law Case

We take the time to get to know our clients and understand their needs and concerns. We work closely with you to develop a personalized strategy to achieve your goals, whether negotiating a settlement, going to trial, or finding an alternative dispute resolution.

Clear Communication You Can Understand

Communication is key, and our family lawyer and her staff will keep you informed and involved every step of the way. Our team is here to answer your questions, explain the law so that you can easily understand, and guide you through the legal process from start to finish.

Seasoned Mesa Family Attorney With Solid Professional Network

Having over 20 years of experience in a particular field is a significant advantage, especially in the legal profession. Family law attorney Dianne Sullivan's extensive experience and her robust network of professional connections built over the years can make all the difference in obtaining favorable outcomes in family law cases.

Compassionate And Mindful Approach To Mesa Family Law Cases

We understand that family disputes can be emotionally challenging. Our family lawyer Dianne Sullivan approaches each case with deep compassion and mindfulness, striving to resolve the issue quickly and smoothly while prioritizing your family's emotional well-being and financial stability.

Successful Track Record With Previous Mesa Family Law Cases

Our law firm offers various family law services, including divorce cases, child custody and support matters, paternity cases, financial disputes, and divorce mediation. Our family lawyer has extensive knowledge in all these family law areas and has achieved successful, positive outcomes in even the most complex cases.

Availability For Mesa Family Law Matters

Availability is an essential aspect of our Mesa family law practice. We are committed to being responsive and accessible to our clients, promptly returning phone calls and emails, and scheduling appointments in a timely manner. Our family law attorney and her team understand that legal matters can be time-sensitive, and we strive to provide prompt and efficient service to meet our client's needs.

“When I represent families, I look at them holistically, beyond simply being another case to win, at the heart is a family in need. Families who have entrusted me with their immediate future, emotional or sometimes physical health, and financial well-being. My goal is to deliver a mindful process to heal their family by resolving the issue as quickly and smoothly as possible, in the most respectful way.”

Dianne Sullivan

SULLIVAN LAW OFFICE