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Crystal Lake, IL



  • University of Notre Dame Law School, J.D., cum laude, 2000
  • Illinois Wesleyan University, Bachelor of Arts in English, 1997


  • Illinois Bar
  • Wisconsin Bar
  • United States Supreme Court
  • U.S. Court of Appeals for the 7th Circuit
  • U.S. District Courts of the
    • Northern District of Illinois
    • Eastern District of Wisconsin

Practice Description

Sarah B. Jansen focuses her practice on construction contracts and defense litigation, commercial general liability coverage, risk transfer matters, and municipal law. She also practices in the area of complex civil litigation, including construction injury and defect litigation. Her experience includes various aspects of the commercial construction industry, with a focus on commercial contracts and risk management. She serves as assistant outside counsel for a large multi-state commercial construction company and as assistant National Coordinating and Oversight Counsel for general liability claims for subsidiaries of a Fortune 500 company.

Prior to joining HeplerBroom, Ms. Jansen worked for Aleen R. Tiffany P.C., handling various construction litigation, construction contract, and insurance coverage issues. She is a former Assistant State’s Attorney for the McHenry County State’s Attorney’s Office, focusing on appellate work and federal civil rights litigation against County officials, as well as providing legal counsel to County officials, department heads, and employees. Earlier in her career, she was an associate at firms in Illinois and Wisconsin, where she focused on commercial and construction litigation.

Ms. Jansen served as Law Clerk to the Honorable John L. Coffey of the Seventh Circuit Court of Appeals and the Honorable Anne M. Burke of the Illinois Appellate Court.

Bar/Professional Associations

  • Illinois Appellate Lawyers Association
  • Illinois Association of Defense Trial Counsel
  • McHenry County Bar Association
    • Legislative Liaison

Awards, Honors & Distinctions

  • 2010 Litigation Award from the Illinois Institute for Local Government Law (2010)

Law School Honors/Involvement

  • Appellate Moot Court Team
  • Dean’s List
  • Research Assistant

Published Legal Writing

HeplerBroom is pleased to announce that its physical offices have reopened. While the health and safety of our clients, employees, and families, remain our top priority, HeplerBroom attorneys and staff are returning to our offices on full-time or modified schedules. Our offices are open to visitors and clients with scheduled appointments, with appropriate screening of visitors and social-distancing protocols. HeplerBroom will continue to follow CDC recommendations for cleaning and sanitizing.

We are very proud of the dedicated efforts of our attorneys and staff to provide great service and work product to our clients during the pandemic. This would not have been possible without the incredible support provided by the HeplerBroom IT Department and other essential personnel who supported our personnel and clients from the office locations while the rest of our teams worked remotely.

If you have questions about visiting our offices, please do not hesitate to contact us. We look forward to seeing you in person again in the near future.