Union County · court code 2010
Mountainside Municipal Court
Mountainside schedules both Thursday hybrid sessions and a last-Wednesday evening calendar. Follow the case notice for the assigned date.
Court directory
Mountainside Municipal Court contact information
Court information
Court code: 2010
County: Union County
Court office/contact address: 1385 US Highway 22 East, Mountainside, NJ 07092
Phone: 908-232-5335
Court fax: 908-233-6412
Published court sessions: Thursday at 9:00 AM in hybrid format and the last Wednesday at 5:00 PM. Follow the case notice for the assigned date.
Published office or service hours: Monday through Friday, 8:00 AM–4:30 PM
Published court officials
Judge: Frank Sahaj
Municipal prosecutors: James Foerst (Municipal Prosecutor); Michael Cuellar (Assistant Municipal Prosecutor).
Sources for these facts
Court code and county: State List of Municipal Courts (dated August 31, 2026).
Court office/contact address, phone, fax, published office or service hours, published court sessions, judges, and prosecutor appointments: Mountainside Municipal Court (checked September 5, 2026).
Published court sessions: Mountainside Mayor and Council (checked September 5, 2026).
Before your appearance
Planning for Mountainside Municipal Court
Confirm the calendar shown on the notice
Thursday hybrid sessions begin at 9:00 AM, and last-Wednesday sessions begin at 5:00 PM. Follow the case notice or call the court to confirm which calendar applies. Sources: Court office/contact address, phone, fax, published office or service hours, and published court sessions: Mountainside Municipal Court (checked September 5, 2026) · Published court sessions: Mountainside Mayor and Council (checked September 5, 2026).
Frank Sahaj is the judge, James Foerst is the prosecutor and Michael Cuellar is the assistant prosecutor. Confirm who is assigned to the particular matter. Sources: Judges and prosecutor appointments: Mountainside Municipal Court (checked September 5, 2026).
Details to confirm with the court
Confirm the appearance date, format and assignment with the court.
Before an appearance
Use the current notice and the actual charge
Keep the summons or complaint, later notices, and relevant records together. Check the court code, case or ticket number, date, and whether the notice requires an in-person or virtual appearance. For evidence requests and timing, use the municipal-court discovery and adjournments guide; for the charge itself, start with the traffic-defense overview, DWI guide, or criminal-defense overview.
Published addresses and calendars can change or may describe an office rather than the hearing instructions for one case. Follow the latest notice and call the court if it conflicts with this page.
NJMCDirect lists eligible payment options, but paying can resolve a charge as a guilty plea. Understand the effect before using payment to dispose of a case.
Court directory
Other Union court guides
See all 21 Union County court codes and guides.
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Court code 2011
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Court code 2008
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Court code 2012
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Sources checked September 5, 2026: State List of Municipal Courts (roster dated August 31, 2026); Mountainside Municipal Court (checked September 5, 2026); Mountainside Mayor and Council (checked September 5, 2026). Laws and court instructions can change; this page is general information, not legal advice for a specific case.