Assignment of Mortgage: What It Is and How to Record It

What Is an Assignment of Mortgage?

An assignment of mortgage is the document a lender (the assignor) signs to transfer its interest in a mortgage or deed of trust to a new holder (the assignee), and it is recorded in the county where the property sits. Connecticut's statute shows how little the document needs: its sample form is one operative sentence naming the assignor and identifying the mortgage by its parties, date, and book and page, and once the assignment is executed, attested and acknowledged like a deed, title under the mortgage vests in the assignee (Conn. Gen. Stat. §49-10(b)). For a note investor, the assignment is the half of the transfer the public can see: it puts your name on the lien in the land records.

The industry abbreviation is "AOM," and the shorthand applies equally to assignments of deeds of trust. Whichever security instrument secures the loan, the assignment is the mechanism that moves ownership of that lien from the seller to the buyer.

The document itself is typically one to two pages. It identifies both parties, references the original recorded mortgage by book and page number, includes the property address and legal description, and often states the original loan amount. Only the assignor signs; the assignee is the receiving party. Recording offices generally require the signature to be acknowledged before a notary, and Connecticut's statute, for one, vests title in the assignee when the assignment is executed, attested and acknowledged the way a deed is (§49-10(b)).

When you purchase a mortgage note, you receive two categories of transfer documents: the assignment transfers the security instrument (the mortgage or deed of trust), and the allonge transfers the promissory note. These two chains must match. The allonge works like an endorsement on the back of a check ("pay to the order of [new entity] without recourse") and is not recorded. The assignment is the document that goes to the county public records where the property is located.

Assignment vs. Allonge: Which Document Moves What?

Every secured loan has two components: the note (the borrower's promise to pay) and the security instrument (the lien on the property). Each has its own transfer document:

The note side runs on the Uniform Commercial Code. An endorsement can sit on a separate sheet because "a paper affixed to the instrument is a part of the instrument" (UCC §3-204(a)), which is the legal basis for the allonge. The person entitled to enforce the note is generally its holder, or someone in possession with a holder's rights (UCC §3-301). That is why the original note and its endorsements matter as much as the recorded assignments; if the original is gone, read what happens if the promissory note is missing before you bid.

The two halves travel together. The U.S. Supreme Court put it plainly in 1872: "The note and mortgage are inseparable," and an assignment of the note carries the mortgage with it (Carpenter v. Longan, 83 U.S. 271). In practice, though, you want both paper trails clean, because the people who will check them (title examiners, courts, the next buyer) look at both.

The chain of title is the sequential record of every transfer from origination to the current holder. The allonge chain and the assignment chain must mirror each other. If Company A originated the loan, sold it to Company B, and Company B sold it to you, there should be an allonge from A to B and from B to you, and corresponding assignments from A to B and from B to you, all with matching entity names.

Verifying this chain during due diligence, before you purchase a loan, is critical. Obtaining corrective documents from a seller after closing is much harder than catching discrepancies beforehand, and the same review is the core of confirming note ownership before you wire funds.

Does an Assignment of Mortgage Have to Be Recorded?

The honest answer is that the legal effect of recording varies by state, and a few statutes show how much:

Connecticut is worth reading closely. Under §49-10(d) and (g), the borrower can keep paying the old lender until it receives notice of the assignment, and recording the assignment does not count as that notice. Under §49-17, the person entitled to the money can foreclose even though the mortgage was never assigned to it, and title vests in it when the redemption period runs out, provided it promptly records the foreclosure decree in the land records. Other states set their own rules on standing, so check the statute in the state where the property sits.

Federal law adds a borrower-notice duty that recording does not satisfy. Under 15 U.S.C. §1641(g), the new owner or assignee of a consumer mortgage loan must notify the borrower in writing within 30 days after the loan is sold or assigned to it. Regulation Z, which implements that duty, reaches consumer-purpose loans (for a closed-end loan, one secured by a dwelling or real property), applies it to anyone who acquires more than one mortgage loan in a twelve-month period, and requires the notice to say where the transfer is or may be recorded, or that it has not been recorded yet (12 CFR §1026.39).

So why record promptly if the law does not always require it? Because the public record is where everyone else looks:

1. Title searches and payoffs. When the property is sold or refinanced, the title company works from the county records. If your assignment is not there, the payoff request may go to the last assignee of record instead of you.

2. Your lien position and future enforcement. In a state like Minnesota, an unrecorded assignment stops a foreclosure by advertisement until the chain is fixed. In a judicial state, a clean recorded chain removes one argument from the borrower's attorney.

3. Resale. When you sell the note, the next investor will audit the chain. A clean chain of title with every assignment recorded is what makes the loan easy to sell.

Recording also protects you in situations you cannot predict. If the borrower's attorney reviews the public record, or a bankruptcy court needs to verify creditor claims, a recorded assignment is evidence that speaks for itself.

Where Does MERS Fit In?

Some loans you buy will show Mortgage Electronic Registration Systems, Inc. as the mortgagee or beneficiary on the recorded security instrument. MERS describes its sole purpose as serving as mortgagee in the land records for loans registered on the MERS System, and when note ownership or servicing moves between MERS members, no assignment is recorded (MERS FAQ). MERS also states that its system is not a system of public record and does not replace the land records.

That changes how you read a chain. A MERS-registered loan can change hands several times with no new recorded assignment, so a gap between origination and today is not automatically a broken chain. The question is whether the paper leaves MERS correctly:

• A transfer of servicing rights or beneficial ownership to a non-member requires the loan to be deactivated from the MERS System (MERS Rules of Membership, Rule 2, Section 3).
• When a MERS loan is sold to a non-member, an assignment of the security instrument from MERS, signed by a MERS signing officer, is to be prepared and delivered for recording, as state law may require (Rule 12, Section 11).
• Before a member forecloses, files a proof of claim, or moves for relief from stay, an assignment from MERS to the note owner or its servicer must be executed and promptly sent for recording (Rule 8, Section 1(a) and (d)).

If you buy from a seller that is not a MERS member, expect the recorded chain to run from MERS to that seller and then from the seller to you. If the last mortgagee of record is still MERS, ask the seller for the assignment out of MERS before closing.

What Is a Collateral Assignment of Mortgage?

A collateral assignment is a different transaction with a similar name. Instead of selling the loan, you pledge it as security for a loan to you, typically from a bank or private lender financing your note purchases. You keep ownership; the lender takes a security interest. Under the uniform version of Article 9, a security interest in a payment right secured by a mortgage attaches to the mortgage as well (UCC §9-203(g)). Each state adopts the UCC with its own variations, so whether the lender also wants a collateral assignment recorded in the county is a question for its counsel. Either way, a collateral assignment does not make the lender the owner of your loan, and it does not replace the assignment you record when you buy.

What Does an Assignment of Mortgage Contain?

Connecticut's statutory form, one state's version, shows the bare elements: the assignor's name and town, county and state; the operative words ("does hereby grant, bargain, sell, assign, transfer and set over"); the mortgage being assigned, identified by its parties, its date, and the town, book and page where it is recorded; and the assignor's signature and seal, signed before witnesses and acknowledged (Conn. Gen. Stat. §49-10(b)). When a residential mortgage loan made by an out-of-state lender is assigned, Connecticut also requires the names and business or mailing addresses of all parties (§49-10(c)). Other states and counties add their own requirements, so treat this as a floor, not a template.

What a Recorded Assignment Looks Like

A properly recorded assignment of mortgage will contain several identifiable features:

• Recorder's stamp at the top of the document, which includes a book and page number, a date recorded, and often a barcode or seal from the county
• Assignor and assignee identified in the opening paragraph, with language such as "does hereby convey, grant, bargain, sell, assign, transfer, set over, and deliver onto"
• Reference to the original security instrument, including the recording information (book, page, date recorded) so the county can associate the assignment with the correct mortgage
• Property address and legal description
• Assignor's signature (the assignee does not sign)
• Notary block with the notary's seal and signature
• Additional recorder stamps at the bottom confirming the document has been entered into the public record

When reviewing collateral files from a seller, look for these recorder stamps to confirm each assignment in the chain has actually been recorded; our guide to auditing the collateral file covers the rest of that review. Documents provided by a seller may be unrecorded originals. In the county's own public records system, everything you find has already been recorded by definition — but in a seller's collateral package, you must verify this yourself.

Step-by-Step Recording Process

Step 1: Confirm the Original Security Instrument Is Recorded

Before recording your assignment, verify that the underlying mortgage or deed of trust was recorded in the county where the property is located. An assignment that references a mortgage the county has no record of gives the recorder nothing to tie it to, and it gives you no recorded lien to stand on.

In rare cases, a mortgage may never have been recorded at origination. This is a serious problem: the public record does not show the lien at all, and whether it holds up against later buyers and lenders depends on the state's recording law. If you discover this during due diligence, it should be a deal-breaker or a significant pricing adjustment. If you discover it after purchase, the representations and warranties in your loan purchase agreement may entitle you to a repurchase (refund) from the seller.

Step 2: Review Previously Recorded Assignments

Search the county records from the date the original mortgage was recorded through to the present day. You need to see every transfer that has taken place and confirm that the chain is unbroken. The same search turns up other liens and encumbrances, which our title and encumbrances deep dive explains how to read. If the recorded mortgage names MERS, read the MERS section above before you call the chain broken. The last assignee of record should match the assignor on the new assignment you are about to record.

For example, if the original lender was Bank A, and Bank A assigned to Company B, and Company B is selling the loan to you, then Company B should appear as both the current assignee of record and the assignor on your new assignment.

Step 3: Research County Recording Requirements

Every county has its own requirements for recorded documents. These can be surprisingly specific:

Washington's statute shows what those rules look like in one state: the first page needs a top margin of at least three inches, one-inch margins on the bottom and sides, and the return name and address at the top left, and every page must be no larger than 8.5 by 14 inches with text in 8-point type or larger (RCW 65.04.045). Other states and counties set different numbers.

These requirements are typically documented on the county recorder's website. After reviewing the posted requirements, call the county recorder's office directly to confirm. A brief phone call — "I have a two-page assignment of mortgage, the margins and fonts meet your specifications, and I have a check for the recording fee — is there anything else I need?" — can save weeks of delay if your document would otherwise be rejected.

Step 4: Prepare the Document for Recording

Fill in the "when recorded, return to" lines at the top of the assignment with your mailing address (or your custodian's address if you use a third-party document custodian). Make sure the document is notarized. Write a check for the recording fee payable to the county recorder. Prepare a self-addressed stamped envelope (SASE) for the return of the original document after recording.

Step 5: Choose Your Recording Method

There are two ways to record: e-recording and mail-in recording.

E-Recording

E-recording runs through vendors that each county approves as submitters. Geauga County, Ohio, for example, lists CSC, ePN, Indecomm and Simplifile (Geauga County Recorder), and other counties keep their own lists. In our experience, a county will not take an assignment by email; the electronic path is the approved vendor.

Advantages of e-recording:

• Speed. Licking County, Ohio, says e-recording cuts the time from submission to return of documents from 3–5 working days to minutes or hours (Licking County Recorder). Turnaround in other counties varies.
• Convenience. You upload the document through the vendor's portal, and the recorded document comes back to you electronically.
• Fewer rejections. Licking County lists fewer rejections and fewer document and payment errors among the benefits of e-recording.

One nuance: an e-recorded assignment comes back as an electronic image with the county's recording information, not a wet-ink stamp. The recorder still does the recording in its own system. If you plan to sell the loan later, print the recorded version and include it in the physical collateral file, so a future buyer who expects a traditional stamp is not confused.

E-recording vendors charge fees, and the cost-effectiveness improves with volume. For investors with large portfolios recording many assignments, the speed and efficiency can justify the expense. For a single assignment, the math may favor mail-in recording.

Not all counties accept e-recording. Before setting up a vendor account, confirm that the specific county you need supports electronic recording.

Mail-In Recording

Mail-in recording is the traditional method and the fallback wherever a county does not e-record. You mail the original assignment, a check for the recording fee, and a self-addressed stamped envelope to the county recorder's office.

The turnaround is longer. In our experience, the recorded original can take weeks, and sometimes months, to come back in the mail, depending on the county. The county usually enters the assignment into the public record well before it mails the original back to you, so you can often search the county records online and download an image of the recorded assignment before the physical document arrives.

This timing gap matters if you need to provide evidence of recording quickly — for example, to facilitate a short sale closing or respond to a borrower inquiry. Having a digital image from the county's public records system serves this purpose while you wait for the original.

Step 6: Monitor the County Records

After mailing or e-recording the assignment, monitor the county's online records to confirm it has been recorded. Do not simply wait for the mail. Checking the public records gives you an earlier confirmation and allows you to catch any problems sooner.

If a mail-in assignment is rejected by the county — for a formatting issue, missing information, or incorrect fee — you have to start the process over. This is why the upfront phone call to the county recorder is so valuable. Prevention is far more efficient than correction.

Common Mistakes and How to Avoid Them

Recording in the wrong county. Some county names appear in multiple states. If you send an assignment to Harper County in the wrong state, the county may either reject it (best case) or record it against no matching mortgage (worst case). Double-check the state and county before mailing.

Mismatched chain of title. If the assignor on your new assignment does not match the last assignee of record, the chain is broken. This must be resolved before recording, either by getting the missing assignment from the entity in the gap or by obtaining the correct assignment from the seller.

Skipping the notary. Recording offices generally require the assignor's signature to be acknowledged before a notary, and an unacknowledged assignment is likely to be rejected.

Ignoring county-specific formatting. A document that meets one county's requirements may be rejected by another. Font sizes, margin widths, and fee structures vary. Treat each county as its own jurisdiction with its own rules.

Not imaging documents before mailing. Always scan or photograph the original assignment before mailing it. If the document is lost in transit, you need a copy to reproduce and re-execute the assignment.

Corrective Assignments

A corrective assignment of mortgage is used specifically when an assignment has already been recorded with an error. If the wrong entity name was used, a legal description was incorrect, or other information was inaccurate in a recorded document, a corrective assignment is filed to fix the record.

If an assignment has not yet been recorded — for example, it was rejected by the county and returned — you do not need a corrective assignment. You fix the problem and resubmit; if the error is in the assignment itself, that means a corrected assignment, signed and notarized again. The distinction matters: corrective assignments add another document to the chain, which adds complexity. Avoiding errors in the first place is the better approach.

DIY vs. Outsourcing

Document-services firms such as Richmond Monroe Group offer assignment preparation and recording, pre-purchase collateral file review, imaging and vault storage as a service. For investors scaling into larger portfolios, this outsourcing can be efficient.

However, there is real value in learning to record assignments yourself, particularly when you are building your business. Recording your own assignments saves money, builds competency, and ensures you understand every step of the process. If something goes wrong — a rejection, a missing document, a broken chain — you will know how to diagnose and fix it.

The recommendation: handle recording yourself in the early stages of your note investing career. As your portfolio grows and the volume of recordings increases, evaluate whether outsourcing to a custodian or adopting e-recording makes sense for your operation. Do not outsource everything from day one — retain enough of the process in-house that you are always adding value and maintaining expertise.

Resources for County Research

• Netronline.com — A directory of county recorder, assessor and treasurer offices nationwide, with links to their websites and online records and a phone number where a county has no site. Useful for finding the right office before your first recording in a new county.
• County recorder websites — The primary source for recording requirements, fee schedules, and submission instructions. Always verify directly with the county.
• County recorder phone lines — Call before you mail. A short conversation can prevent a rejection and a second trip through the mail.

Before You Send It: An Assignment Checklist

Run this list on every assignment before it leaves your desk:

1. The underlying mortgage or deed of trust is recorded, and you have its book and page or instrument number.
2. The assignor on your new assignment matches the last assignee of record exactly, including MERS where the recorded instrument names it.
3. The allonge chain mirrors the assignment chain, with matching entity names at each link.
4. The assignment is signed by the assignor, acknowledged before a notary, and formatted to the county's rules, which you confirmed by phone.
5. The "when recorded, return to" block shows your address or your custodian's.
6. You imaged the signed original before mailing or uploading it.
7. If the loan is a consumer-purpose mortgage loan and you are a covered person under Regulation Z, the borrower's transfer notice is on the calendar for within 30 days of the transfer.
8. You will check the county's online index until the assignment appears, then put the recorded copy in the collateral file.

If any line fails, fix it before you record. An error caught now costs a re-signature; the same error caught after recording costs a corrective assignment and another trip through the county.