Form 5312 at a glance
What it is: Form 5312 is the Affidavit of Affixation.
Who signs: Affiant's Signature and Printed or Typed Name of Affiant.
A filled-in Form 5312 example: an owner fills in the home and real estate details

How to fill out Form 5312, box by box
Name, address and date on page 1
Home Information
Real Estate Information
Owner or lessor of the real estate

Place initials in applicable boxes: I am the owner of the real estate described in this affidavit; or, I am in possession of the real estate under the terms of a lease in recordable form that has a term that continues for at least 20 years after the date of execution of this affidavit. If you have initialed the lease box, the Lessor must complete the Consent of Lessor section.
Consent of Lessor

In the Consent of Lessor: I am the owner of the real estate where the manufactured home described in this affidavit has been permanently affixed and the owner of the manufactured home has entered into a lease for such real estate for a period of at least twenty (20) years after the date of the execution of this affidavit, I hereby consent to the affixation of this manufactured home to the real estate.
Enter the Lessor Signature and the Printed or Typed Name of Lessor.
Under Consent of Lessor, subscribed and sworn before me this: the notary fills in the State of Missouri County, the day of, the Notary Signature, the Printed or Typed Name of Notary and My Commission Expires.
Note: License Office notary service - $2.00 (checked November 8, 2026).
Ownership document

Place your initials in the box that applies to the type of ownership document currently in your possession. If you do not possess an ownership document, indicate so in the appropriate area provided.
If you possess a Manufacturer's Certificate of Origin (MCO) or Manufacturer's Statement of Origin (MSO): the manufactured home is currently covered by a MCO or MSO and you are surrendering the original MCO or MSO. Provide the Manufacturer's Serial Number and the MCO or MSO Issue Date (MM/DD/YYYY). The original MCO or MSO must be surrendered to the Director of Revenue with Application for Surrender of Title or Manufacturer's Certificate of Origin (MCO), (Form 5315).
If you possess a Certificate of Title: the manufactured home is currently covered by a certificate of title and you are surrendering the title. Provide the Title Number and the Title Issue Date (MM/DD/YYYY) from the title document. The original title must be surrendered to the Director of Revenue with Application for Surrender of Title or Manufacturer's Certificate of Origin (MCO), (Form 5315).
If you are unable to locate either the MCO, MSO or Certificate of Title: a certificate of title does not exsist, or you are unable to locate the original MCO, MSO or certificate of title after diligently searching for such documents. You must complete an Application for Confirmation of Conversion (Form 5314) and provide it to the director of revenue.
Designated Agent for Filing
Security Interest and Lienholder Information

If there is a security interest or lien, provide the security interest or lienholder information (if more than two use an additional sheet): the Lienholder Name, the Original Principal Amount and the Address.
Place your initials in the box(es) that applies: the manufactured home described in this affidavit is subject to one or more security interests or liens which will be released upon satisfaction of the terms of the security agreement entered between the owner and lienholder.
The security interest or lien has been released and a copy of the release of security interest or lien will be attached to the copy of the recorded Affidavit of Affixation that will be filed with the Director of Revenue.
Consent of Affiant

Under penalties of perjury, I hereby affirm that the manufactured home described herein is or shall be permanently affixed to the real estate described herein, the home has the characteristics of site-built housing and is part of the land, the home was built in compliance with the federal Manufactured Home Construction and Safety Standards Act, and the home is or shall be assessed and taxed as an improvement to the land.
I further affirm to the best of my knowledge that the information contained in this affidavit is true and accurate based on the attached documents.
The affiant signs and prints the name on the Affiant's Signature and Printed or Typed Name of Affiant lines. In the Consent of Affiant, subscribed and sworn before me this: the notary fills in the County, the day of, the Notary Signature, the Printed or Typed Name of Notary and My Commission Expires.
More rules for Form 5312
Visit http://dor.mo.gov/motorv/homes/ for additional information.
Common questions about Form 5312
Where do I file it?
Present this completed form to your local license office or mail it with the appropriate fees to: Motor Vehicle Bureau P.O. Box 100 Jefferson City, MO 65105-0100 Phone: (573) 526-3669 E-mail: mvbmail@dor.mo.gov.
Sources
[1] Form 5312 (Revised 08-2019), Affidavit of Affixation, Missouri Department of Revenue (the Official source link on this page).




