Commonly used applications and forms requested by the Delaware County Planning Department can be found on this page.

For certain review services, the Planning Department requires accurate completion of official forms, as mandated by the Pennsylvania Municipalities Planning Code. Other forms provide Department staff with the information needed to more quickly process requests. This page provides a central repository for forms found throughout the website.

Questions about finding or completing Forms? Contact the Planning Department at 610-891-5200 or

Act 247 (Development Review) Application

The Act 247 Application is for development and ordinance proposals. Please be sure that this application contains the original signatures of the developer/applicant and designated municipal official and is submitted to the Planning Department along with a minimum of 3 sets of plans.

Act 537 (Sewage Module) Application

The Planning Department is the County agency responsible for processing form Component 4B – County Planning Agency Review of Pennsylvania Department of Environmental Protection (DEP) Act 537 Sewage Facility Planning Modules. See DEP’s Act 537 review process and electronic forms. Developers and applicants submitting planning modules to the Planning Department for review should review the required information to ensure a timely review.

Grant Support Letter Form

The Department can support funding applications that are consistent with County planning goals. In order to provide support letters to grants, we need to know about your project. The Grant Support Letter Form gives us the information we need to provide a letter of support and send it to the appropriate place. Please submit this form no later than 10 days prior to your grant deadline.

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About Delaware County

Delaware County, presently consisting of over 184 square miles divided into forty-nine municipalities is the oldest settled section of Pennsylvania.

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