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Real Estate Closing Costs Addendum

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REAL ESTATE CLOSING COSTS ADDENDUM

This Real Estate Closing Costs Addendum ("Addendum") is made and entered into as of Effective Date: by and between:

WHEREAS

WHEREAS, Buyer and Seller have entered into a Purchase Agreement dated for the sale of the Property identified above; and

WHEREAS, the parties desire to set forth their mutual agreement regarding the allocation, payment and timing of closing costs, prorations and related settlement expenses; and

WHEREAS, this Addendum supplements and modifies the Purchase Agreement only to the extent expressly set forth herein and is intended to be binding upon the parties and their successors and permitted assigns.

SCOPE OF WORK

The parties agree the scope of services and obligations related to closing and settlement are as follows. Any task not expressly assigned below remains governed by the Purchase Agreement unless otherwise modified by mutual written agreement.

ALLOCATION OF CLOSING COSTS

The parties agree to allocate the following closing costs in the amounts and manner specified below. Amounts shall be stated as firm estimates or actuals at closing; amounts not filled are presumed to be responsibility of the party marked or as otherwise agreed in writing.

Title Insurance — Buyer Pays:    Seller Pays:

Escrow / Settlement Fees — Buyer Pays:    Seller Pays:

Recording Fees — Buyer Pays:    Seller Pays:

Transfer / Documentary Taxes — Buyer Pays:    Seller Pays:

Lender Fees (origination, underwriting) — Buyer Pays:    Seller Pays:

Prorated Property Taxes / HOA / Utilities — Buyer Pays:    Seller Pays:

Survey / Inspection Fees — Buyer Pays:    Seller Pays:

Attorney Fees / Closing Document Preparation — Buyer Pays:    Seller Pays:

Other Costs (describe):    Buyer Pays:    Seller Pays:

Total Estimated Closing Costs — Buyer:    Seller:

PAYMENT TERMS

All amounts allocated herein shall be paid at closing unless otherwise agreed in writing. The party responsible for each cost shall cause funds to be available to the closing agent or escrow holder in accordance with the closing instructions.

Late Payment: If any party fails to deliver funds or documents required for closing by the agreed time, the delinquent party shall be subject to a late fee of on unpaid balances and any direct costs incurred by the performing party to effectuate closing, including reasonable attorneys' fees.

Responsibility for Excess Costs: If actual closing costs exceed estimates, the excess shall be paid by unless otherwise adjusted at closing by mutual written agreement.

TERM AND TERMINATION

This Addendum shall be effective as of the Effective Date set forth above and shall remain in force through the earlier of the closing of the purchase transaction or the termination of the Purchase Agreement.

Commencement Date:    Anticipated Closing / End Date:

CONFIDENTIALITY

The parties acknowledge that pricing, estimates, and settlement instructions exchanged in connection with this Addendum constitute confidential business information. Except as required to effectuate closing or by applicable law, neither party shall disclose such information to third parties without the prior written consent of the other party.

Buyer agrees to confidentiality:    Seller agrees to confidentiality:

GOVERNING LAW

This Addendum shall be governed by and construed in accordance with the laws of the State of , without regard to its conflicts of law principles. Exclusive venue for disputes arising under this Addendum shall be the state or federal courts located within that State.

ENTIRE AGREEMENT

This Addendum constitutes the entire agreement between the parties with respect to the subject matter hereof and supersedes all prior and contemporaneous negotiations, discussions and agreements relating thereto. Except as modified by this Addendum, all other terms and conditions of the Purchase Agreement remain in full force and effect.

ACKNOWLEDGMENTS

Each party represents and warrants that (a) it has full authority to execute this Addendum; (b) the individual signing on behalf of a party is duly authorized; and (c) this Addendum is a legal, valid and binding obligation enforceable against such party in accordance with its terms.

Buyer acknowledges acceptance:    Seller acknowledges acceptance:

Buyer Printed Name:

By:

Date:

Seller Printed Name:

By:

Date:

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What the Real Estate Closing Costs Addendum Is

The Real Estate Closing Costs Addendum is a supplemental agreement attached to a purchase contract that specifies which party pays particular closing expenses. It itemizes fees such as title insurance, recording charges, escrow fees, lender fees, prorated taxes, and any negotiated seller or buyer credits. The addendum clarifies responsibility for costs when the purchase contract’s default allocations are insufficient or when parties agree to reassign specific charges before closing. Properly executed, it becomes part of the binding sale paperwork and guides the settlement agent’s final closing statement.

Why adding a Closing Costs Addendum matters

A focused addendum reduces ambiguity about who pays which closing charges, lowers the risk of last-minute disputes at settlement, and creates a clear instruction set for escrow and title companies.

Why adding a Closing Costs Addendum matters

Who commonly prepares and signs this addendum

Real estate agents, buyers, sellers, and closing professionals use this addendum to record negotiated cost allocations before settlement.

  • Real estate agents coordinating negotiations and ensuring contract consistency.
  • Buyers and sellers documenting concessions, credits, or requested reimbursements.
  • Title officers and escrow agents using the addendum to prepare the final HUD- or ALTA-style settlement statement.

Parties should confirm allocations align with lender requirements and title/escrow instructions to avoid funding delays at closing.

Essential elements to include in a professional addendum

A complete addendum is concise but specific: identify parties and property, list each cost item with the payer, define proration rules, state effective dates, and include signature and notarization blocks where required.

Parties

Full legal names of buyer(s) and seller(s) as they appear on the purchase contract and title documents.

Property

Complete property address and legal description or parcel number to avoid ambiguity in recording and title work.

Effective Date

The date when the addendum’s allocations take effect; this date affects prorations and contractual deadlines.

Cost Allocations

A line-by-line list of closing cost items with the designated payer (buyer, seller, split, or third party).

Prorations

Method for prorating property taxes, HOA dues, utilities, and prepaid items and the date used for proration calculations.

Execution Block

Signature, printed name, date, and any required notary or witness acknowledgement to validate the addendum.

Required fields to complete on the addendum

Buyer Name: Full legal name
Seller Name: Full legal name
Property Address: Street, city, state, ZIP
Itemized Costs: List each fee
Effective Date: MM/DD/YYYY format
Signatures: Sign and date

Step-by-step: filling out the Closing Costs Addendum

Follow these sequential steps to prepare a clear, enforceable addendum that integrates with escrow and lender requirements.

  • 01
    Confirm Parties: Verify legal names match the purchase contract and title order.
  • 02
    List Items: Enter each closing cost line with the responsible payer.
  • 03
    Set Dates: Use MM/DD/YYYY for effective and closing dates.
  • 04
    Execute: All parties sign and notarize if required.

Common digital workflow settings for online completion

When preparing the addendum for e-signature, configure fields and routing to match signer roles, authentication, and record retention.

Field Configuration
Upload Document Use PDF or DOCX for best compatibility
Add Signature Fields Place signer, initial, and date fields where required
Assign Signers Set role-based order for buyer, seller, and escrow agent
Authentication Require email link or SMS code for signer verification

How the eSubmission and signing process typically flows

A standardized eight-step or four-step flow keeps signers, escrow, and lender aligned; below is a compact four-step view.

  • Prepare: Sender uploads and places fields
  • Route: Document sent to signers in set order
  • Authenticate: Signers confirm identity and review
  • Complete: Signed copy and audit trail delivered

Digital delivery and file format considerations

Use a signing platform that supports PDF and DOCX, provides an auditable trail, and integrates with closing workflows and storage systems.

  • Integrations: Salesforce, Microsoft 365, NetSuite, Google Workspace supported
  • File Types: PDF and DOCX preferred for retention and compatibility
  • Security: TLS in transit and AES-256 at rest

Key timing and deadline considerations

Timely delivery of the addendum reduces the risk of funding or recording delays; observe lender and contract deadlines closely.

Contract Contingency Deadline:

Submit addendum before home inspection/loan contingency expiration

Loan Commitment Date:

Align addendum with lender conditions before commitment

Final Closing Date:

All negotiated charges must be settled by funding

Title Objection Deadline:

Resolve cost or credit discrepancies prior to objections cutoff

Recording Window:

Recorder’s office may require specific documents at or after funding

Milestone timeline from negotiation to settlement

A typical milestone sequence tracks negotiation, lender review, escrow preparation, and final funding to ensure allocations are honored.

01

Negotiate Allocations

Parties agree on line-item responsibilities and any credits

02

Deliver to Escrow

Escrow/title receives the executed addendum for processing

03

Lender Approval

Lender confirms addendum does not violate loan conditions

04

Final Settlement

Escrow issues the HUD/ALTA statement and funds closing

Common mistakes that slow or invalidate closing allocations

  • Using informal language or vague terms like 'seller pays customary fees' creates interpretive gaps and settlement delays.
  • Failing to match names or property descriptions to the purchase contract can lead to title exceptions or recording rejections.
  • Ignoring lender requirements about allowable seller concessions risks loan underwriting delays or denied funds at closing.
  • Notarizing or witnessing incorrectly for state law or lender rules can require re-execution and postpone recording.

Risks and consequences of an incorrect addendum

Funding Delay: Escrow cannot fund
Contract Breach: Counterparty may claim default
Title Issues: Unresolved liens or exceptions
Tax Reporting: Incorrect 1099 reporting risk
Increased Costs: Unexpected out-of-pocket expenses
Re-execution: Time and advisory fees

Real-world examples of how parties use the addendum

These case summaries show practical outcomes when parties document closing cost allocations clearly.

Tim Martin — Martin Properties

A local broker finalized seller-paid HOA prorations online to preserve a sale timeline.

  • Rapid e-signing ensured the escrow agent updated the settlement statement before funding.
  • Tim reported the ability to execute online maintained compliance, reduced in-person steps, and avoided last-minute disputes over HOA and escrow fees at closing.

Brian Fitzgibbons — Optica Ventures LLC

An investor and property manager separated recording costs from transfer taxes to streamline multiple closings.

  • Standardized addendum template saved review time for each transaction.
  • The team used the template to instruct title companies consistently, reducing settlement statement discrepancies across portfolio closings.

Export formats and supporting documents to include

Deliver a signed addendum together with the contract exhibits and supporting settlement documents to escrow and lender.

Signed PDF

Provide a tamper-evident PDF with audit trail for title and lender files.

Purchase Contract

Attach the primary contract and list the addendum as an exhibit.

Settlement Statement

Include the HUD- or ALTA-style statement reflecting the agreed allocations.

Lender Notices

Provide lender confirmations that the allocations are allowable under loan terms.

Who typically signs and who can bind the transaction

Buyer — Individual

The buyer or an authorized signatory for an entity must sign; an authorized agent needs documented authority (e.g., corporate resolution or power of attorney).

Seller — Authorized Signer

The seller or an authorized representative signs; ensure entity signers identify office held and provide proof of authority when requested.

How to update or revise an executed addendum

Amendments require mutual consent; follow a clear revision workflow to avoid conflicting contract terms.

01

Draft Amendment:

Describe changes and reference original addendum
02

Mutual Agreement:

Both parties must sign the amendment
03

Notarize if Needed:

Follow state notarization rules
04

Deliver to Escrow:

Provide updated document to title/escrow
05

Update Settlement:

Escrow revises HUD/ALTA statement accordingly
06

Retain Records:

Keep both original and amendment copies

How this addendum differs from similar documents

Compare the Closing Costs Addendum to related documents to choose the correct instrument for each adjustment.

Document Type Primary Purpose Typical Usage
Closing Costs Addendum allocate costs adjust closing charges
Purchase Agreement Amendment change contract terms modify contract clauses
Settlement Statement itemize charges escrow final accounting
Seller Credit Agreement document credits lender acceptance often required

Notarization and witness steps for executing the addendum

Follow these horizontal steps when a state or lender requires notarization or witness acknowledgements to ensure validity.

01

Prepare IDs

Signers present government-issued ID to the notary

02

Select Notary

Choose RON or in-person notary per state rules

03

Confirm Witnesses

Arrange the required number of witnesses, if any

04

Sign Before Notary

Sign in the notary’s presence as required

05

Notary Certificate

Notary completes acknowledgment or jurat block

06

Record Audio/Video

If RON, retain AV per state retention rules

07

Notary Journal

Notary records the session in the notarial journal

08

Return Documents

Send executed addendum to escrow and lender

Practical tips for accurate and efficient completion

These best practices reduce rework and protect both parties during the closing process.

Use clear, itemized language
List line items with payer designation; avoid catch-all phrases to prevent disagreements and to make the settlement agent’s job straightforward.
Coordinate with lender early
Confirm the lender accepts the proposed concessions to avoid underwriting surprises or funded loan conditions at closing.
Attach to the main contract
Reference the addendum as an exhibit to the purchase agreement so it is part of the binding transaction record.
Preserve audit trails
If signing electronically, retain the signed PDF and the audit trail showing signer identity, timestamp, and document history for records.

eSignature vendor comparison for executing the addendum

Common vendor plan features and starting prices are shown to illustrate typical cost and compliance differences when choosing a platform for signing closing documents.

signNow DocuSign Adobe Sign PandaDoc HelloSign
Starting Price $8/user/mo $15/user/mo $14/user/mo $19/user/mo $15/user/mo
Free Trial 7-day free trial Yes Yes Yes Yes
Bulk Send Yes Yes Yes Yes No
Audit Trail Yes Yes Yes Yes Yes
HIPAA Compliant Yes Yes Yes No No

Frequently asked questions about the Closing Costs Addendum

Answers to common practical and legal questions to help parties avoid delays and ensure enforceability.


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