Affidavit in Illinois — Free PDF & Word (2026 Updated)

Sworn written statement of facts

Sales Tax: 6.25%Notary: $1-$5Witnesses: 1

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GENERAL AFFIDAVIT
State of Illinois

STATE OF ILLINOIS
COUNTY OF [COUNTY]

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

AFFIANT INFORMATION:
Name: [FULL LEGAL NAME]
Address: [ADDRESS], IL [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 Illinois that the foregoing is true and correct to the best of my knowledge and belief.

AFFIANT SIGNATURE: _____________________ DATE: _____
Print Name: _____________________

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

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

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

FAQ: Affidavit in Illinois

Is a Affidavit required in Illinois?

Yes, in Illinois, a Affidavit is required for most transactions of this type. Under Illinois 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 Illinois?

Notarization requirements in Illinois (IL) vary by transaction type. Notary fees in the state typically range from $1-$5. 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 Illinois?

Illinois has a base sales tax rate of 6.25%. Depending on the type of transaction documented in your Affidavit, additional local taxes may apply. Consult with a Illinois 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 Illinois

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

Cook County Clerk

Chicago

118 N Clark St, Chicago, IL 60602

Sangamon County Clerk

Springfield

200 S 9th St, Springfield, IL 62701

Peoria County Clerk

Peoria

324 Main St, Peoria, IL 61602

Illinois Affidavit Requirements

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

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

Illinois Notarization

While notarization may not be required in Illinois, it is recommended. Fees range from $1-$5.

Before You Sign

Review all information carefully. In Illinois, a 6.25% sales tax may apply.

Legal Protection

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

Illinois Filing Deadlines

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

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 Illinois has been reviewed for accuracy and legal compliance.

Last reviewed: March 2026

Affidavit Costs in Illinois

Estimated fees and processing times

Fee TypeCostNotes
Notary Fee$5-$15 (if required)Illinois standard rate: $1-$5
Filing FeeVaries by stateState registration (if applicable)
Processing Time1-3 business daysTypical turnaround in Illinois
Sales Tax6.25%Illinois base rate (local taxes may apply)
Witness Requirement1 witnessSingle witness sufficient
Our TemplateFREEDownload instantly, no cost
Fees shown are Illinois-specific estimates. Contact your local office for exact pricing.

Illinois Affidavit Legal Guide

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

In Illinois, according to Illinois State Code, a 6.25% sales tax applies to applicable transactions. Notary fees in IL typically range from $1-$5. A single witness signature is sufficient under state law.

This document offers comprehensive legal protection tailored specifically to Illinois's unique statutory framework.

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

Avoid These Common Mistakes

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

Legal Validity & Enforcement

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

Your Illinois Filing Guide

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

What Illinois Law Requires

Illinois's statutes are clear: a valid Affidavit must identify all parties by full legal name, include the date of execution, and be signed in the presence of a notary public where applicable. Failure to meet these requirements under IL law can render the document unenforceable.

Document Information

Document
Affidavit
State
Illinois (IL)
Category
Legal
Format
PDF / Word / Print
Cost
100% Free
Sales Tax
6.25%
Notary Fee
$1-$5

Illinois 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 Illinois may change. Consult a licensed attorney for advice specific to your situation.