File Past Due Tax Returns Online

Missed the tax filing deadline? File online today with Keystone's e-file.


e-Pay Real Estate and Per Capita Tax

Keystone's e-Pay is the easy, fast and secure way to pay your real estate tax, per capita tax, ...


Phone Lines Open Until 7 pm

You only have until Midnight April 17 to file your local earned income tax return.


Phone Lines Open Saturday, April 14

As Tax Day fast approaches, Keystone Collections Group is staffing the phone lines from ...


Pay Quarterly Estimate Tax Online

Save time and money by paying your quarterly estimate income tax online with Keystone’s e-file.


Phone Lines Open Saturday, April 7

As Tax Day fast approaches, Keystone Collections Group is staffing the phone lines from ...


e-file if You Work Out of State

If you live in Pennsylvania and work in another state, you can now file...


Professional Tax Preparers

Keystone published a free Professional Tax Preparer's Guide in time for the current filing season.


Welcome Mifflin Taxpayers

Keystone is proud to welcome taxpayers from the Mifflin County Tax Collection District...


New e-file is easier and faster

Keystone's e-file for individuals is the easiest and fastest way to file your local tax return,...


Mifflin Employers File 4th Quarter with Keystone

Mifflin County employers are reminded to file 4th Quarter 2017 local income tax payroll withholding...