PennDOT MV-421: County of Residence Verification Guide – The Pennsylvania Department of Transportation (PennDOT) Form MV-421, titled “County of Residence Verification,” is an official document used by vehicle owners to correct an incorrectly recorded county of residence on their vehicle registration credentials. Accurate county information is critical because it determines whether a vehicle is subject to the federally mandated Emissions Inspection (I/M) Program and whether the owner must pay the optional $5 annual Fee for Local Use.
What Is PennDOT Form MV-421?
Form MV-421 is issued by the PennDOT Bureau of Motor Vehicles. Vehicle owners use it when the county of residence listed on their registration card or other credentials does not match their actual county of residence. Correcting this information ensures the vehicle record accurately reflects applicable inspection requirements and local fees.
According to the official form (revision 3-25), if the county is incorrectly recorded, owners should complete and return MV-421 so PennDOT can review the record and, if necessary, issue a corrected registration.
Download the official Form MV-421 here: PennDOT MV-421 PDF (Official)
When Do You Need to File Form MV-421?
You should submit Form MV-421 in the following situations:
- Your vehicle registration shows the wrong county of residence.
- You recently moved within Pennsylvania and the county change has not been updated on your registration.
- Your registration incorrectly indicates you live in an emissions inspection county (or does not indicate it when you should be subject to testing).
- You need to correct the county so the proper Fee for Local Use is (or is not) applied.
PennDOT reviews the submitted information and, when appropriate, issues a corrected registration card. Note that selecting “Fee for Local Use” as the reason generally does not result in a new registration card being issued.
Reasons for County Correction on MV-421
The form requires you to check one of two primary reasons for the correction:
- Emissions Inspections – A new registration card will be issued if needed. This option is used when the county change affects whether your vehicle is subject to the annual Emissions Inspection Program.
- Fee for Local Use – No new registration card is typically issued. This option corrects the county for purposes of the optional $5 annual local use fee collected by certain counties.
Pennsylvania Emissions Inspection Counties
Vehicle owners residing in the following 25 counties (regardless of ZIP code) may be subject to the federally mandated Emissions Inspection (I/M) Program:
Allegheny, Beaver, Berks, Blair, Bucks, Cambria, Centre, Chester, Cumberland, Dauphin, Delaware, Erie, Lackawanna, Lancaster, Lebanon, Lehigh, Luzerne, Lycoming, Mercer, Montgomery, Northampton, Philadelphia, Washington, Westmoreland, and York.
Gasoline-powered vehicles weighing 9,000 pounds or less gross vehicle weight that are model year 1975 or newer and registered in one of these counties are generally required to pass an annual emissions inspection. If PennDOT records show your address in an affected county, your registration documents will indicate that the vehicle is subject to the I/M program.
Correcting an inaccurate county via Form MV-421 helps ensure you are not incorrectly required (or incorrectly exempted) from emissions testing.
Fee for Local Use – Participating Counties
Under Act 89 of 2013, Pennsylvania counties may optionally impose an annual $5 Fee for Local Use on each non-exempt vehicle registered to an address in that county. PennDOT collects the fee at initial registration and at renewal. The funds support county transportation purposes or are allocated according to Section 9010(c) of the Pennsylvania Vehicle Code.
The fee is charged per year of registration (for example, $10 for a two-year registration or $25 for a five-year registration). A current list of participating counties and their effective dates is maintained by PennDOT on the official “Fee for Local Use – Participating Counties” fact sheet available on the Driver and Vehicle Services website.
Using Form MV-421 ensures the correct county is on file so the proper fee status is applied.
How to Complete Form MV-421?
Follow these steps carefully using the official form:
- Select the reason – Check either “Emissions Inspections” or “Fee for Local Use.”
- Vehicle Information (Section A) – List up to three vehicles. Provide title number, vehicle identification number (VIN), registration plate number, expiration date (month/year), make of vehicle, and year for each.
- Applicant Information (Section B) – Enter your last name, first name, middle name, street address, city, state, ZIP code, county of residence, telephone numbers (home and work), PA driver’s license or photo ID number (or business ID), and date of birth. List your name exactly as it appears on the registration card(s).
- Applicant Signature (Section C) – Sign and date the form. By signing, you certify under penalty of law (Section 4904 of the Crimes Code regarding unsworn falsification to authorities) that the information is true and correct to the best of your knowledge. Print your name and include the date.
Only one form is needed for up to three vehicles owned by the same applicant.
Where to Submit Form MV-421?
Mail the completed form to:
Bureau of Motor Vehicles
P.O. Box 68591
Harrisburg, PA 17106-8591
No additional fee is required solely for submitting MV-421 for a county correction. Processing times vary; PennDOT will review the information and issue a corrected registration if necessary.
For general questions, visit the official Driver and Vehicle Services website at pa.gov/dmv or call 717-412-5300 (TTY callers dial 711).
Tips for Successful Submission
- Use the most current version of the form (currently MV-421 revised 3-25).
- Print clearly or type the information.
- Double-check VINs, title numbers, and plate numbers against your current registration cards.
- Ensure the county of residence you list matches your actual physical residence.
- Keep a copy of the completed form and any supporting documents for your records.
- If you have recently moved, also update your driver’s license or photo ID address through PennDOT as required.
Related PennDOT Resources
- Official MV-421 Form Download (PDF)
- Pennsylvania Driver and Vehicle Services Homepage
- Fee for Local Use – Participating Counties Fact Sheet (available on the official PennDOT/DMV website)
- Information on vehicle emissions inspection requirements by county
Frequently Asked Questions
Is there a fee to file Form MV-421?
No fee is charged specifically for submitting the County of Residence Verification form itself.
How many vehicles can I list on one form?
You may list up to three vehicles on a single MV-421 form.
Will I receive a new registration card?
If you select “Emissions Inspections” as the reason, a new registration card is typically issued when a correction is made. Selecting “Fee for Local Use” usually does not result in a new card.
What happens if I ignore an incorrect county?
An incorrect county can lead to improper emissions testing requirements or incorrect assessment of the $5 local use fee. Correcting it promptly helps avoid compliance issues or unnecessary fees.
Can I submit the form online?
As of the latest available information, Form MV-421 is submitted by mail to the address listed on the form. Check the official PennDOT website for any future electronic options.
Conclusion
Pennsylvania PennDOT Form MV-421 is a straightforward but important tool for keeping your vehicle registration records accurate. Whether the issue involves emissions inspection requirements or the Fee for Local Use, correcting your county of residence ensures compliance with state and local rules and helps you avoid potential problems during registration renewals or inspections.
Always download the form directly from the official Pennsylvania government website to ensure you have the current version. For the most up-to-date details on participating counties or emissions requirements, refer to official PennDOT resources at pa.gov/dmv.