Kathryn J Mahoney Attorney At Law - Waterloo, IA office in Waterloo, Iowa
Kathryn J Mahoney Attorney At Law - Waterloo, IA

Kathryn J Mahoney Attorney At Law - Waterloo, IA

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501 Sycamore St, Suite 627, Waterloo, Iowa, United States
32 Years of Practicing, since 1994
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Free Consultation +1 319-226-5400
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Kathryn J. Mahoney Attorney At Law is a trusted sole-practice law office in Waterloo, Iowa. Serving Black Hawk County since 1994, Kathryn specializes in robust criminal defense, OWI advocacy, compassionate family law, and dedicated juvenile court representation.

Reliable Criminal Defense and Family Law Representation in Waterloo

Facing criminal accusations or navigating a sensitive family dispute can feel completely overwhelming. If you need to find an experienced attorney in Waterloo who understands the local legal landscape and will aggressively protect your constitutional liberties, Kathryn J. Mahoney Attorney At Law is a trusted ally. Since 1994, our firm has provided comprehensive, strategic, and supportive representation to individuals and families throughout the Cedar Valley, including Waterloo, Cedar Falls, and Black Hawk County. We are dedicated to ensuring that every client receives a personalized defense, honest communication, and trial-ready advocacy when it matters most.

We believe that no matter the legal obstacles you face, your future deserves a dedicated shield. Whether you are dealing with a complex state felony charge, a stressful child custody battle, or a juvenile court matter, our firm brings over three decades of court-tested wisdom to your case. When you hire Kathryn J. Mahoney, you are choosing a legal partner who will prioritize your goals and stand by your side at every stage of the legal process. We work diligently to analyze law enforcement procedures, challenge evidentiary discrepancies, and deliver elite results in state and appellate courts.

Comprehensive Practice Areas for Families and Individuals

At Kathryn J. Mahoney Attorney At Law, we specialize in a diverse range of legal services to address our clients' most critical personal and constitutional needs. Our core specialties include:

  • Criminal Defense: We protect clients facing misdemeanor and felony accusations, including assault, drug offenses, theft, domestic disputes, and weapons violations.
  • DUI and OWI Defense: We offer strategic representation to challenge chemical blood tests, field sobriety procedures, and protect your driving privileges.
  • Family Law: Our team guides families through child custody disputes, spousal support modifications, adoption proceedings, and prenuptial drafting.
  • Juvenile and Custody Advocacy: We advocate for the parental rights and interests of children in juvenile court, ensuring a supportive and lawful resolution.

Strategic Defense Against Drunk Driving and Drug Crimes

An arrest for operating while intoxicated (OWI) or a drug possession charge can instantly threaten your driving privileges, your job, and your freedom. As accomplished defense attorneys, we perform an exhaustive review of every traffic stop, arrest procedure, and chemical testing protocol. If police officers lacked reasonable suspicion to stop your vehicle or if breathalyzer machines were poorly maintained, we fight to have your charges dismissed or reduced. We understand that mistakes happen, and we focus on delivering a trial-ready defense that minimizes the impact of these allegations on your long-term record.

Seasoned Regional Legacy and Free Initial Consultations

Our long-standing reputation in Northwest Iowa is built on a solid foundation of professional ethics, thorough legal preparation, and deep care for our clients. Kathryn J. Mahoney is licensed to practice in both Iowa and Illinois, providing robust cross-state representation since 1994. We believe that professional counsel should be accessible without immediate financial pressure, which is why we offer free initial consultations to evaluate your case. If you are seeking a passionate, trial-tested attorney who will fight tirelessly for you in or out of the courtroom, contact our Waterloo office today.


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Location & Access

Primary Address

The office is located at 501 Sycamore Street, Suite 627 in downtown Waterloo, Iowa, situated within the central business district near the Cedar River.

Building Location

Housed on the sixth floor of the historic Black's Building, a landmark nine-story commercial brick high-rise built in 1913. It is situated in the heart of downtown Waterloo, near Wiggly Field Dog Park and the Cedar Riverfront.

Parking Details

An attached covered parking ramp is connected directly to the building by a skywalk, offering convenient and secure parking for visitors, alongside metered street parking.

Public Transit

Served by local transit lines; nearest stop is at the adjacent Central Transfer station.

Accessibility / Suite Access

Enter the Black's Building through the main ground-floor lobby on Sycamore Street. Take the elevator to the sixth floor and locate the office in Suite 627.

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