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Purchase Agreement Addendum & Disclosures Word Form

Use a Purchase Agreement Addendum & Disclosures Word template to make your document workflow more streamlined.

What this purchase addendum does

A Purchase Agreement Addendum & Disclosures Word Form records additional terms, corrections, or property disclosures that modify or supplement a real estate purchase agreement. The parties identify the transaction and property, state the revised conditions, and sign the addendum so it can be read with the original contract. In signNow, upload the Word document, review detected fillable fields, add signer roles, and send it for completion. The finished file and audit trail preserve who signed, when, and which version was completed. State contract and recording rules still control the transaction.

Who uses this purchase addendum

Real estate

Real estate professionals use the addendum to document agreed changes, property disclosures, inspection terms, and financing conditions before closing.

Transaction parties

Buyers, sellers, brokers, and attorneys use the form to preserve written consent when transaction terms or disclosures change.

Features for purchase addenda

signNow organizes the exact fields, approvals, and records needed when a purchase agreement changes during a real estate transaction.

Field detection

Upload the Word addendum and review detected fields before assigning buyer, seller, broker, or attorney responsibilities.

Signature fields

Place initials, signatures, dates, and required acknowledgments directly on revised purchase terms and disclosures.

Signing order

Route the addendum in a defined order when broker, buyer, seller, lender, or attorney review must occur sequentially.

Audit trail

Capture signer actions, timestamps, and document history to connect the completed addendum with the transaction file.

Mobile access

Use mobile signing when parties need to approve inspection, financing, or disclosure changes away from the office.

Record storage

Store the completed addendum with the original agreement and related disclosure records under the brokerage’s retention policy.

How the purchase addendum moves

The signNow workflow follows the transaction from uploaded Word document to signed, auditable purchase record.

  • Upload document: Upload the Purchase Agreement Addendum & Disclosures Word Form into signNow.
  • Check fields: Review auto-detected fields and add missing signature or date fields.
  • Assign signers: Assign buyer, seller, broker, or attorney roles and send the addendum.
  • Archive record: Collect signatures, then store the completed document and audit trail.
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Complete the purchase addendum online

Follow these steps to prepare the current addendum, obtain signatures, and preserve the transaction record.

  • Upload:

    Upload the current Word addendum.
  • Review:

    Confirm detected fields and add missing ones.
  • Assign:

    Assign buyer and seller signing roles.
  • Send:

    Send the transaction addendum for completion.
  • Store:

    Store the signed file with its audit trail.

Choose the right signing method

  1. Use the web app when a broker or attorney needs to upload the purchase addendum, place fields, review recipients, and monitor completion from one workspace.
  2. Use the mobile app when buyers, sellers, or agents need to review and sign the addendum away from a desktop during inspections or negotiations.
  3. Use kiosk mode when parties sign together at a brokerage, title office, or closing desk and each signer must complete the document in sequence.
  4. Use a shareable signing link when the same addendum must be distributed through a controlled channel without preparing a separate email invitation for each recipient.

Recommended addendum workflow setup

Use field controls, signer authentication, audit evidence, and retention procedures that match the transaction and applicable state law.

SettingRecommendation
Authentication methodEmail link with SMS OTP
Signature typeTyped or drawn electronic signature
Audit trailCapture IP, timestamps, and actions
Document retentionFollow applicable state contract rules
EncryptionTLS 1.2/1.3 and AES-256

What the addendum audit trail records

The audit trail documents the signing evidence separately from the transaction setup, helping teams show how the addendum was completed.

01

Authenticate signer:

Email, SMS, or configured identity checks link activity to each signer.
02

Capture timestamp:

Every review and signature receives a recorded time and action event.
03

Protect document:

The completed document receives integrity evidence within the signing record.
04

Seal history:

The audit history records recipients, actions, and completion status.
05

Generate certificate:

The final PDF preserves the signed purchase addendum and certificate.
06

Export evidence:

Authorized users can retrieve or export the audit trail for records.

State rules and document limits

State execution rules

Confirm state requirements

Notarization

May require notarization

Wills and codicils

Excluded from ESIGN

Real estate deeds

Separate filing rules

Secure signing for purchase addenda

Signer authentication:

Email link and SMS

Digital certificates:

PKI certificate support

Certificate standard:

X.509 certificate identity

Additional verification:

Two-factor verification

SMS authentication:

SMS OTP codes

ID verification:

Identity checks available

Connect purchase workflows to business systems

Connect purchase addenda with CRM, transaction, document, and project systems to reduce duplicate entry and preserve organized records.

Salesforce
Procore
Zapier
Microsoft Teams
Hub spot
Box
Microsoft

Purchase addendum challenges to avoid

  • Missing initials or signatures on revised terms can leave the parties disputing whether the addendum became part of the purchase agreement.
  • Unclear references to the original agreement, property, or disclosure date can make the addendum difficult to interpret alongside transaction records.
  • Uploading an outdated Word file may preserve superseded disclosures and create conflicting versions during inspection, financing, or closing.
  • Sending the addendum to the wrong signer or in the wrong sequence can delay approval and weaken the transaction record.
ROI at a Glance

Key performance indicators that demonstrate SignNow's proven track record.

28M+Documents signed
13+Years in business
4.6/5Average G2 rating

Purchase addendum troubleshooting

Resolve field, signer, consent, authentication, legal-validity, and plan questions before the addendum enters the transaction record.

Business includes legally binding eSignatures, templates, mobile apps, and audit trails. Upload the current addendum, verify detected fields, and assign each signer before sending. ESIGN and UETA support electronic signatures when intent, consent, attribution, and record retention requirements are satisfied.

Business Premium includes bulk send and kiosk mode. Kiosk mode can help when buyers and sellers sign together at a brokerage or closing desk, while bulk send is intended for repeated transactions using the same template.

Use signNow’s audit trail to preserve timestamps, signer actions, and document history. For consumer-facing electronic records, review ESIGN’s disclosure and access requirements under 15 U.S.C. §7001(c) before relying on electronic delivery.

Use signer authentication appropriate to the transaction, such as email verification or SMS OTP. Enterprise adds advanced signer authentication, while the transaction team should confirm any stronger identity requirement under applicable state law.

A completed electronic addendum generally depends on demonstrated intent, consent, signer attribution, and a reproducible retained record. ESIGN, 15 U.S.C. ch. 96, and applicable state law govern; they do not replace deed, notary, or recording requirements.

Business is listed at $8/user/month when billed annually and includes audit trails. Subscription plans include 100 signature invites per user per year; confirm current overage terms before sending a high volume of addenda.

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