How to Submit Development Applications

The Middlesex County Office of Planning is pleased to announce the launch of an electronic development review system, ePlan. This system will replace the submission and review of paper and electronic (e.g., CDs, thumb drives) site plan and subdivision applications.

Starting March 1, 2022, all new subdivision and site plan applications must be submitted through the ePlan portal. Click here for the link to the ePlan portal.

NOTE:  Starting August 21, 2024, there are two new application forms available in ePlan: addendums and resubmissions.

• An addendum application is to make corrections to a previously submitted ePlan site plan or subdivision application form. 
• A resubmission application is an application to resubmit revised plans to satisfy the conditions of the Development Review Committee (DRC); applicants will have the ability to pay the one-time 33% resubmission fee electronically. 

Have questions or need technical assistance? Please refer to the ePlan Quick Guide and ePlan User Guide below. Should you still need assistance, please contact the Middlesex County Office of Planning at ePlan@co.middlesex.nj.us.

Required Documents for all ePlan Applications

Development Review Checklists

• Site Plan Checklist
• Minor Subdivision (Sketch Plat) Checklist
• Preliminary Subdivision Checklist
• Final Plat Checklist

Other Required Documents

• Property Authorization Form (if applicable)
• Fee Schedule
• Signed and Sealed Policy - Guidance Document

Guidelines for other Required Documents

• Middlesex County Land Survey Requirements
• 2024 Deadlines for Development Review Applications

Resources for ePlan Users

ePlan Quick Guide
ePlan Users Guide for Applicants
Creating an ePlan Account (video)

About Development Reviews

The Middlesex County Office of Planning is responsible for reviewing all development proposals (i.e., subdivision and site plan applications) to determine whether County roads/property and/or drainage facilities would be adversely affected. The Office of Planning serves as staff to the Planning Board’s Development Review Committee. Reviews are carried out for a fee, in accordance with the County Subdivision and Site Plan Resolutions which are adopted by the Board of County Commissioners and in accordance with the New Jersey County Enabling Act. The Site Plan and Subdivision Resolutions enable the County to assess developers for contributions for downstream drainage improvements and require developers to install and bond for required improvements to County Roads and facilities. The County’s objective is to reduce hazards to the general public caused by unsafe traffic conditions and/or flooding. Public inquiries regarding application procedures and/or development activity may be directed to 732-745-3812 or ePlan@co.middlesex.nj.us.

Middlesex County Standards

Standard Details and ADA Checklist

Forms, Documents, and Reports