Tax Department

Real Estate Property Tax

The three separate real estate property taxes are:

  • County Tax collected by Chester County Treasurer’s Office
  • School Tax collected by Great Valley School District
  • Township Tax collected by Chester County Treasurer's Office

The following taxes do not apply to Willistown Township:

  • Business Privilege Tax
  • Mercantile Tax
  • Per Capita Tax

Billing Information

The Chester County Treasurer's Office collects the annual real estate taxes for Willistown Township. These annual real estate tax bills are mailed by March 1.

  • Payments can be made online by electronic check or credit card at (additional fees apply)
  • Payments can be made through your online banking institution. Please be sure to use your invoice number listed on the tax bill as the account number.
  • Payments may be mailed: Use the envelope enclosed with your bill. Please be sure to include a copy of your bill with your payment.
  • Payments may also be made in person at the Treasurer's Office or at any DNB First branch. Please be sure to bring a copy of your bill with your payment. Credit cards will be accepted at the Treasurer's Office, cash or check ONLY at DNB First.

All questions concerning your bill should be directed to the Treasurer's Office at 610-344-6370.

Keystone Collections Group

The Chester Tax Collection Committee (CTCC) appointed Keystone Collections Group to serve as the Earned Income Tax (EIT) and Local Services Tax (LST) collector for school and municipal taxing authorities within Chester County. This important change was brought about under Act 32 of 2008.

For additional information please visit the Keystone Collections Group website.

Act 32

Act 32 requires municipal governments and school districts in all Pennsylvania counties, except Philadelphia, to select a single tax collector to serve the Earned Income Tax collection needs of the political subdivisions within the county. Keystone officially started EIT and LST collections for the CTCD on January 1, 2011.

For additional information please visit the PA Department of Community & Economic Development website.

Additional Tax Information 

  • A 1% transfer tax is collected by the county
  • Earned Income Tax rate is 1% (includes 1/8% of open space tax) for residents and 0.875% for non-residents
  • Local Services Tax is $52 per year for anyone working in the township
  • Township property tax not paid by December 31 are sent to Chester County Tax Claim Office for collection
  • The millage rate for Willistown Township is 0.28