How to Write a Affidavit in Wisconsin (2026 Guide)

Sworn written statement of facts

Sales Tax: 5%Notary: $10Witnesses: 1

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GENERAL AFFIDAVIT
State of Wisconsin

STATE OF WISCONSIN
COUNTY OF [COUNTY]

I, [AFFIANT NAME], being duly sworn, depose and state the following:

AFFIANT INFORMATION:
Name: [FULL LEGAL NAME]
Address: [ADDRESS], WI [ZIP]
Date of Birth: [DOB]

STATEMENT OF FACTS:

1. [STATE FACT 1]

2. [STATE FACT 2]

3. [STATE FACT 3]

4. [STATE FACT 4]

5. [ADDITIONAL FACTS AS NEEDED]

I declare under penalty of perjury under the laws of Wisconsin that the foregoing is true and correct to the best of my knowledge and belief.

AFFIANT SIGNATURE: _____________________ DATE: _____
Print Name: _____________________

NOTARY ACKNOWLEDGMENT:
State of Wisconsin, County of [COUNTY]

Subscribed and sworn before me this ___ day of _______, 20__.

Notary Public: _____________________
Print Name: _____________________
My Commission Expires: _____
[NOTARY SEAL]

FAQ: Affidavit in Wisconsin

Is a Affidavit required in Wisconsin?

Yes, in Wisconsin, a Affidavit is required for most transactions of this type. Under Wisconsin State Code, the document must include all parties' information, be signed, and witnessed by at least one individual. Failure to use a proper Affidavit may result in legal complications.

Does a Affidavit need to be notarized in Wisconsin?

Notarization requirements in Wisconsin (WI) vary by transaction type. Notary fees in the state typically range from $10. While not always mandatory, notarization adds an extra layer of legal protection and is recommended for high-value transactions.

What are the tax implications of a Affidavit in Wisconsin?

Wisconsin has a base sales tax rate of 5%. Depending on the type of transaction documented in your Affidavit, additional local taxes may apply. Consult with a Wisconsin tax professional for specific guidance on your situation.

What makes an affidavit legally valid?

A valid affidavit must be: written, signed by the affiant (person making the statement), sworn under oath or affirmation, and notarized by a notary public. The affiant must have personal knowledge of the facts stated.

Can an affidavit be used as evidence in court?

Yes, affidavits are commonly used as evidence in court proceedings, including motions, hearings, and trials. However, the opposing party may challenge the affidavit and request the affiant testify in person for cross-examination.

What happens if you lie in an affidavit?

Lying in an affidavit constitutes perjury, which is a criminal offense in all states. Penalties can include fines, imprisonment, and contempt of court charges. The false affidavit may also be thrown out as evidence.

Where to File Your Affidavit in Wisconsin

Visit your local County Clerk office to file or notarize your Affidavit.

Wisconsin County Clerk

Wisconsin Capital

Main Government Building, Wisconsin

District County Clerk

Wisconsin Metro Area

County Courthouse, WI

JRJ
Reviewed & Fact-Checked

Jennifer Rodriguez, J.D.

Estate Planning Attorney

Licensed in 5 states, 12+ years experience

Focuses on wills, trusts, and power of attorney documents

This Affidavit template for Wisconsin has been reviewed for accuracy and legal compliance.

Last reviewed: March 2026

Wisconsin Affidavit Legal Guide

Under Wisconsin jurisdiction, this form meets all statutory requirements and provides comprehensive legal protection for your transaction.

Wisconsin law (Wisconsin State Code) governs this Affidavit. Key financial considerations include a 5% sales tax rate and notary fees of $10. The document requires 1 witness and remains valid indefinite.

This professionally drafted form provides peace of mind knowing you're compliant with all Wisconsin legal requirements.

sworn statementnotarized documentaffiantoathlegal declarationsworn affidavit
Navigating Wisconsin's legal landscape for a Affidavit doesn't have to be complicated. This guide breaks down everything WI residents need to know — from required fields to filing procedures — so you can complete your document with confidence.

Your Wisconsin Filing Guide

After downloading, take your time filling in each section. WI statutes require that all information be accurate and current. Once signed by all parties, determine whether Wisconsin requires you to file the document with a government office, record it with the county, or simply retain it for your records.

Avoid These Common Mistakes

Wisconsin attorneys frequently see these errors:
- Using an out-of-state template that doesn't comply with WI law
- Forgetting to include required witness signatures
- Leaving fields blank or using abbreviations
- Not retaining copies for personal records
- Failing to update documents when Wisconsin law changes

Legal Validity & Enforcement

Once properly executed, your Affidavit is legally binding in Wisconsin and enforceable in WI courts. The document remains valid for the duration specified in its terms. Wisconsin courts generally uphold properly executed documents, provided they comply with applicable WI statutes.

WI Compliance Checklist

Before finalizing your Affidavit, verify that it meets Wisconsin's legal standards:
- Full legal names and addresses of all parties
- Clear description of the subject matter
- Consideration or purpose stated explicitly
- Dated and signed by all required parties
- Notarized if mandated by WI statute

Affidavit Costs in Wisconsin

Estimated fees and processing times

Fee TypeCostNotes
Notary Fee$5-$15 (if required)Wisconsin standard rate: $10
Filing FeeVaries by stateState registration (if applicable)
Processing Time1-3 business daysTypical turnaround in Wisconsin
Sales Tax5%Wisconsin base rate (local taxes may apply)
Witness Requirement1 witnessSingle witness sufficient
Our TemplateFREEDownload instantly, no cost
Fees shown are Wisconsin-specific estimates. Contact your local office for exact pricing.

Wisconsin Affidavit Requirements

Review the following requirements to ensure your Affidavit is legally valid in Wisconsin.

Affiant must swear under oath
Notarization required
Facts stated clearly and specifically
Affiant signature required
Date of execution stated
County and state identified
Penalty of perjury acknowledged
Notary seal required
Witness may be required
Used for court or official proceedings

Wisconsin Notarization

While notarization may not be required in Wisconsin, it is recommended. Fees range from $10.

Before You Sign

Review all information carefully. In Wisconsin, a 5% sales tax may apply.

Legal Protection

Keep copies of all signed documents. Wisconsin law requires all parties to receive copies of executed documents.

Wisconsin Filing Deadlines

Check Wisconsin deadlines for filing or recording this document with the appropriate county clerk's office.

Document Information

Document
Affidavit
State
Wisconsin (WI)
Category
Legal
Format
PDF / Word / Print
Cost
100% Free
Sales Tax
5%
Notary Fee
$10

Wisconsin Legal Requirements

Governing Statute:

State Law

  • Consult with a licensed attorney for specific requirements

Legal Disclaimer

This template is for informational purposes only and does not constitute legal advice. Laws in Wisconsin may change. Consult a licensed attorney for advice specific to your situation.