Can this addendum be signed electronically?

Yes. Electronic signatures are legally valid under the ESIGN Act (15 U.S.C. ch. 96) and UETA in most states, provided the parties consent and records are retained in a reproducible form.

Is notarization required for enforceability?

Not always. Notarization is often required for recording or preferred by lenders; check local recording rules or lender conditions before assuming it's optional.

What happens if party names differ from the PSA?

Name mismatches can delay title and create enforceability disputes; update the PSA or add an explanatory recitals clause rather than relying on initials or informal corrections.

How should interest rate adjustments be documented?

Describe the adjustment formula, indexing mechanism, caps, and effective dates clearly in the addendum to prevent future calculation disputes.

Can the addendum be amended after signing?

Yes—amendments require mutual agreement and signatures from authorized parties; record amended terms with escrow and title as needed.

Who should retain the original signed document?

Escrow or the closing agent typically retains the original; each party should keep a certified electronic copy with an audit trail for at least the retention period.

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Real estate
Real Estate PSA Note Addendum

Real Estate PSA Note Addendum

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REAL ESTATE PSA NOTE ADDENDUM

This Real Estate PSA Note Addendum (the Addendum) amends and supplements the Purchase and Sale Agreement (PSA) between the parties identified below. The parties agree that terms set forth in this Addendum shall govern with respect to the promissory note and related security described herein and shall be incorporated into the PSA identified below.

Parties and PSA Reference

Seller Name:

Buyer Name:

PSA Date:

Property Identification

Property Address Parcel / APN Legal Description

Note and Financing Terms

Principal Amount: $

Interest Rate: % per annum (simple interest unless otherwise stated)

Interest Type: Fixed Variable (describe below)

If variable, describe index and margin

Payment Schedule: Monthly payments of $ due on the day of each month, beginning .

Amortization Basis: Payments amortized over years with maturity (balloon) on unless otherwise extended in writing.

Balloon Payment Required: Yes No

If balloon, amount and due date

Payment Application, Late Fees and Prepayment

Application of Payments: Payments shall be applied first to accrued interest, then to principal, then to costs and fees, unless otherwise required by law or written agreement between the parties.

Late Charge: If any payment is not received within days after the due date, a late charge of (dollars or percent) will be charged.

Prepayment: Prepayment allowed without penalty Prepayment subject to penalty

If prepayment penalty applies, describe

Security, Recording and Priority

Security Instrument: This Note shall be secured by a deed of trust or mortgage encumbering the Property described above. The security instrument shall be recorded and shall have the priority established by separate instrument and state law.

Security Instrument Type Description of Collateral / Security Terms

Default, Acceleration and Remedies

Events of Default: The following events shall constitute an Event of Default: (a) failure to pay principal or interest when due and not cured within days after notice; (b) insolvency, filing of bankruptcy, or appointment of a receiver for Buyer; (c) material breach of any material representation or covenant in this Addendum or the PSA.

Acceleration: Upon an Event of Default, Seller may declare the entire unpaid principal and accrued interest immediately due and payable, subject to any statutory cure rights and applicable notice requirements.

Default Interest Rate (if any)

Costs, Attorneys' Fees and Expenses

In the event of default or any action to enforce this Note or the related security instrument, the prevailing party shall be entitled to recover reasonable attorneys' fees, costs, and expenses incurred in collection, litigation, bankruptcy, or foreclosure, in addition to any other remedies available at law or equity.

Closing, Funding and Escrow

Escrow/Settlement Agent Funding Instructions or Account Details

Representations, Warranties and Covenants

Each party represents and warrants that it has the authority to enter into this Addendum, that the execution and performance of this Addendum does not violate any material agreement to which it is a party, and that all information provided to the other party in connection with the PSA and this Addendum is true and correct in all material respects.

Additional Covenants

Notices

All notices, statements, demands and other communications required or permitted under this Addendum shall be in writing and delivered to the addresses below by hand, nationally recognized overnight courier, or certified mail, return receipt requested.

Seller Notice Address Buyer Notice Address

Miscellaneous Provisions

Governing Law: This Addendum shall be governed by and construed in accordance with the laws of the state identified below, without regard to conflict of law principles.

Entire Agreement: This Addendum, together with the PSA and any attachments specifically incorporated herein, constitutes the entire agreement between the parties concerning the subject matter hereof and supersedes all prior agreements and understandings relating to the promissory note and security described herein.

Amendment: Any amendment to this Addendum must be in writing signed by both parties.

Attachments and Acknowledgements

Promissory Note Form Attached: Yes No

Identify Exhibit(s) or Document(s) Incorporated

Each party acknowledges receipt of a true and correct copy of this Addendum and agrees that the person signing below has full authority to bind the respective party.

Buyer:

By:

Date:

Seller:

By:

Date:

What the Real Estate PSA Note Addendum Is

The Real Estate PSA Note Addendum is a supplemental contract attached to a Purchase and Sale Agreement that records loan-like payment terms, promissory note provisions, or seller-financing details tied to the property transaction. It clarifies principal amount, interest rate, installment schedule, maturity date, prepayment penalties, default remedies, security interests, escrow instructions, and any cross-references to the main PSA. Parties commonly use an addendum to memorialize short-term seller financing, bridge loans, or adjusted payment timing without amending the entire PSA. Accurate completion ensures the note terms are enforceable, supports title review, and streamlines closing and recording processes with lenders and title companies.

Why a PSA Note Addendum Matters in Closing

A properly drafted addendum reduces ambiguity about financing obligations and preserves the parties' intent while enabling title companies and lenders to assess encumbrances quickly.

Who Typically Prepares or Signs This Addendum

Use this addendum when seller-financing, promissory notes, or modified payment terms are part of the property sale.

Listing or selling agent who coordinates documentation and provides the addendum for review.
Buyer or purchaser when accepting seller financing or deferred payment obligations.
Title officer, escrow agent, or lender reviewing terms for recording and lien clearance.

Confirm each signer has authority and that the addendum is integrated with the main PSA and escrow instructions.

Step-by-Step: Completing the PSA Note Addendum

Follow a clear sequence to ensure the addendum aligns with the PSA and is acceptable to escrow, title, and any lender involved.

01

Review the PSA: Compare addendum terms against the Purchase and Sale Agreement for consistency and cross-references.
02

Populate core fields: Enter names, dates, principal, interest, and payment schedule using required formats.
03

Confirm notarization: Determine whether notarization or witnesses are needed for enforceability or recording in the relevant jurisdiction.
04

Exchange and sign: Have authorized signers execute the addendum and provide copies to escrow, title, and lender as applicable.

Key Sections to Include in a Professional Addendum

A well-structured addendum contains clear, enforceable clauses that mirror the PSA and address payment, security, default, and administrative processes.

Principal

Identify the exact amount being financed, include numbers and words, and reference whether the amount is net of escrow or includes fees and taxes.

Interest Terms

Define rate type, calculation method, compounding frequency, APR disclosure where applicable, and any adjustment triggers or caps.

Repayment Schedule

Specify installment amounts, due dates, balloon payments, prepayment rights, and procedures for missed or late payments.

Security

State whether the note is secured by a mortgage, deed of trust, or remains unsecured; include UCC filing obligations if applicable.

Default Remedies

Describe acceleration clauses, late fees, foreclosure procedure references, cure periods, and costs recoverable by the non-breaching party.

Integration and References

Tie the addendum to the PSA by reference, specify governing law, and include instructions for recording, escrow delivery, and lien releases.

Required Information and Fields at a Glance

Party Names: Full legal names

Property Legal Description: Lot, block, or metes and bounds

Principal: Dollar amount

Interest: Rate and method

Payment Terms: Schedule and maturity

Signatures: Signed and dated

Where to Send or File the Completed Addendum

Routing depends on whether the addendum must be recorded, reviewed by a lender, held in escrow, or retained by the parties for enforcement.

Escrow Agent: Provide a signed original for closing and disbursement instructions.
Title Company: Submit for lien search and to determine whether recording is required.
Recording Office: Record when the addendum creates a security instrument or modifies recordable terms.
Lender: Deliver copy for loan file and funding approval if lender financing is involved.

Digital Signing and eSubmission Considerations

Choose an eSignature workflow that provides signer authentication, an audit trail, and secure storage for the executed addendum.

Authentication: Email, SMS, or stronger
Audit Trail: Timestamped activity log
File Formats: PDF/A and DOCX supported

Common Timelines and Deadlines to Watch

Be aware of contingency removal dates, payment due dates, and recording windows; missing deadlines can affect closing or create defaults.

Deposit/Application Deadline:

Deposit due per PSA; typically within 3–7 business days

Financing Contingency:

Buyer must remove contingency by the PSA-specified date

Addendum Execution:

Sign before or at closing as directed by escrow

Recording Window:

Record security instruments within the period required by lender or local practice

Payment Commencement:

First payment date stated in the addendum

Common Pitfalls to Avoid When Preparing the Addendum

Leaving payment terms vague or using imprecise dates that differ from the PSA creates enforcement disputes and title review delays.
Failing to specify whether the note is secured and which instrument secures it can prevent recording or result in competing lien claims.
Mismatched party names or missing signatures are common clerical errors that can render the addendum unenforceable or delay closing.
Not confirming notarization, witness, or recording requirements with local counsel or title creates unexpected post-closing costs.

Legal and Practical Risks of an Incorrect Addendum

Contractual Breach: Damages or specific performance

Title Delay: Failed closings or lien issues

Recording Defect: Unsecured interests may arise

Tax Consequences: Improper reporting or withholding

Enforceability: Ambiguous terms risk invalidation

Increased Costs: Legal fees and cure expenses

Real-World Examples of Seller-Finance Addenda

These case summaries show how other real estate professionals used addenda to document seller financing and streamline closings.

Martin Properties — Tim Martin, Founder

A small brokerage used an addendum to document seller carryback financing and avoid separate promissory notes at closing.

Resulted in a single closing package consistent with title requirements.
"I can process and execute all of these documents online with 100% compliance and built-in security. Whether on mobile or working offline, I can get forms back to their necessary parties efficiently."

Optica Ventures — Brian Fitzgibbons, COO

A buyer negotiated a short-term bridge payment schedule via addendum to secure immediate occupancy.

Addendum defined a balloon payment and prepayment terms.
"The interface is simple and easy-to-use for our team; more importantly, it is just as easy for our customers."

Practical Tips for Accurate, Efficient Completion

Adopting consistent practices reduces errors and speeds approvals by escrow, title, and lenders.

Cross-Reference the PSA

Cite PSA section numbers and ensure the addendum language mirrors definitions and party designations used in the main agreement.

Use Clear Numeric Formats

Write monetary amounts in numerals and words and use MM/DD/YYYY for dates to prevent clerical disputes.

Confirm Notary/Witness Needs

Check local recording rules and lender requirements before execution to avoid re-signing or additional trips.

Provide Copies

Deliver executed originals to escrow, title, lender, and all parties; retain a secure electronic copy with an audit trail.

Frequently Asked Questions About the PSA Note Addendum

Answers to common questions about enforceability, e-signing, notarization, and post-closing steps for the addendum.

Need help? Contact support

Can this addendum be signed electronically?
Yes. Electronic signatures are legally valid under the ESIGN Act (15 U.S.C. ch. 96) and UETA in most states, provided the parties consent and records are retained in a reproducible form.
Is notarization required for enforceability?
Not always. Notarization is often required for recording or preferred by lenders; check local recording rules or lender conditions before assuming it's optional.
What happens if party names differ from the PSA?
Name mismatches can delay title and create enforceability disputes; update the PSA or add an explanatory recitals clause rather than relying on initials or informal corrections.
How should interest rate adjustments be documented?
Describe the adjustment formula, indexing mechanism, caps, and effective dates clearly in the addendum to prevent future calculation disputes.
Can the addendum be amended after signing?
Yes—amendments require mutual agreement and signatures from authorized parties; record amended terms with escrow and title as needed.
Who should retain the original signed document?
Escrow or the closing agent typically retains the original; each party should keep a certified electronic copy with an audit trail for at least the retention period.

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