Sullivan Law Group
Maricopa County Family Law Attorneys Serving Families With Compassion and Strength
Divorce
Paternity Cases
Spousal Maintenance
Prenuptial & Postnuptial Agreements
Collaborative Divorce
Child Custody
Divorce Mediation
Legal Document Preparation
Sullivan Law Group
Practicing with Compassion & Strength
For more than 20 years, Maricopa County family law attorneys Dianne Sullivan have served the needs of families in Maricopa County with compassion and strength. Dianne Sullivan will aggressively protect you and your family’s best interests and help you through some of the most difficult times in your life. They are committed to helping you find a positive path to move forward with confidence and peace of mind. With a focus on Family Law, Dianne Sullivan’s confidence and strength will be instrumental in guiding you through your case with expertise and professionalism.
ASK US ANYTHING
Compassionately serving your needs while aggressively protecting your interests
CONTACT US
(480) 284-2644
Welcome To Sullivan Law Group
Your Maricopa County Family Law Attorneys Providing Exceptional Family Law Representation
A family dispute is rarely only a legal problem. It decides where your children sleep, what you can afford each month, and how you get through the holidays. That is why Dianne Sullivan built a practice centered on families rather than case volume.
She handles contested and uncontested divorce, child custody and support, paternity cases, spousal maintenance, and mediation for clients across Maricopa County. Some of these cases settle in a few weeks. Others need a courtroom. We will tell you which one yours looks like.
From the first meeting to the final order, you work with the same attorney who knows your file. Read more about our Mesa family law practice, browse all practice areas, or meet our team.
Experience Excellence:
The Family Law Firm Maricopa County Has Trusted For Over 20 Years
Families in Mesa usually come to us with the same question underneath everything else: what happens to my kids, my house, and my money. Our job is to answer that plainly.
Dianne Sullivan has practiced family law in Maricopa County for more than 20 years. We are a boutique firm, so we keep our caseload small and every client works directly with the attorney handling their case. You will always know the plan and what a realistic outcome looks like.
Whether you are filing for divorce, negotiating custody, or working out support, we aim to resolve it without dragging your family through more conflict than necessary. You can read more about our Mesa family law practice, or contact us for a consultation.
Sullivan Law Group serves families throughout Maricopa County from offices in Mesa, Phoenix, and Peoria. We focus on practical solutions and straight answers.
Our team can help with 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 AZ
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 AZ
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 AZ
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 AZ
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 AZ
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 AZ
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 AZ
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 AZ
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 AZ
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 AZ
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 AZ
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 AZ
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 AZ
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 AZ
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 AZ
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 AZ
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 AZ
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 AZ
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 AZ
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 AZ
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 AZ
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 AZs 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
Sullivan Law Group
Coping With Stress And Emotions In Maricopa County 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 attorneys will help you address the legal and emotional issues that may arise during this time.
Your decisions now will shape your relationships with your children for years. We want you making them with real information instead of fear.
If you are considering divorce or facing a child custody dispute, contact us to schedule a consultation. We will walk through your options and what each one is likely to mean for you and your kids.
Your Rights As A Father Matter:
The Family Lawyers Maricopa County Fathers Rely On
At Sullivan Law Group, we understand that fathers are just as important as mothers in their children’s lives.
We know that facing a family law issue can be overwhelming, but we want fathers to know they have numerous resources and legal options. Our experienced Maricopa County family law attorneys are here to help fathers fight for their rights and achieve the best possible outcome for their cases.
When fathers come to us worried about losing time with their children, the fear is usually worse than the law. That does not mean the fight is easy, only that it starts from facts rather than panic.
We begin with what you actually want for your kids, then document it: your involvement in their daily routine, their schooling, their medical care, the people who can speak to your parenting. A case built on evidence holds up. A case built on frustration does not.
If you are a father in Maricopa County trying to protect your relationship with your children, call Sullivan Law Group. You do not have to sort this out alone.
Fair & Firm:
The Mesa Family Lawyer You Need By Your Side
Arizona does not treat every family the same, and the law here has its own quirks around community property, custody standards, and support calculations. Knowing the local rules matters more than knowing the general principles.
Dianne Sullivan has practiced in Maricopa County courts for more than 20 years and can tell you early on what a judge is likely to care about in your case.
If you want an honest read on where you stand, call Sullivan Law Group.
Fair & Firm:
The Maricopa County Family Lawyers You Need By Your Side
Dianne Sullivan has litigated family law cases in Arizona courtrooms for more than 20 years. She has seen how much is at stake in these cases, and how rarely the loudest party is the one who is right.
“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
Contact Sullivan Law Group to talk through your situation.
Sullivan Law Group
More Reasons To Choose Our Family Law Attorneys For Your Maricopa County Family Needs
Arizona family law has its own rules, and the details matter. How community property is divided, how custody is decided, how support is calculated: these are not generic questions, and the answers change what happens to your family for years.
At Sullivan Law Group, we stand out for a few reasons:
We Pay Close Attention To Each Client’s Family Law Case
Clear Communication You Can Understand
Seasoned Maricopa County Family Attorney With Solid Professional Network
Compassionate And Mindful Approach To Maricopa County Family Law Cases
Successful Track Record With Previous Maricopa County Family Law Cases
Availability For Maricopa County Family Law Matters
“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 Group
With 25 years of experience, I am a dedicated family law attorney committed to helping clients navigate some of life’s most challenging transitions. I understand that legal challenges in family matters are deeply personal, and I approach each case with a deep sense of empathy and a client-centered focus, believing that a compassionate and understanding approach is essential to achieving the best possible outcomes. I am an accomplished litigator who skillfully and successfully represents my clients in court, but my expertise extends far beyond the courtroom. I am also a trained mediator and a proponent of collaborative law, offering clients constructive alternatives to traditional litigation. These alternatives to traditional litigation allow me to empower families to resolve disputes amicably and privately, preserving relationships and reducing the emotional and financial strain of a legal battle. My goal is to assist clients in finding respectful, lasting resolutions that serve their and their children’s best interests. This diverse expertise allows me to guide clients toward tailored solutions, whether in the courtroom or through more amicable, client-centered processes. My deep understanding of family dynamics and the law ensures that my clients receive comprehensive and caring representation.
Jennifer Gage
Sullivan Law AZ
Sullivan Law Group Is Your Maricopa County Family Law Partner
Call Our Maricopa County Family Law Attorneys Today!
We handle divorce, child custody, paternity, prenuptial and postnuptial agreements, spousal maintenance, and mediation. All of them start with the same question: what outcome do you actually want?
Dianne Sullivan and our team will walk you through your options, the likely timeline, and what it will realistically cost. Contact us and you will leave that conversation knowing more than you do now, whether or not you hire us.
CONTACT US
(480) 284-2644
Sullivan Law Group
Schedule An Appointment
Call us today to schedule an appointment with our dedicated family lawyers and take the first step toward resolving your family law matter. Our team at Sullivan Law Group is dedicated to providing compassionate and trusted legal services tailored to your unique needs.
Let our Maricopa County family law attorneys guide you through this challenging time with strength and compassion while achieving a successful outcome.
CONTACT US
(480) 284-2644
