Petition for Letters of Administration (Intestate) — Probate (Form 3812)

This page is for educational purposes only and is not legal advice. Forms and requirements change frequently — verify the current version with your local probate court or an attorney.

Last updated: August 16, 2026

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About Petition for Letters of Administration (Intestate) — Probate (Form 3812)

Petition for Letters of Administration (Intestate) — Probate (Form 3812) is a probate form used during estate settlement in Illinois.

Where to get the official form

The official version of Petition for Letters of Administration (Intestate) — Probate (Form 3812) is published as a PDF by the Illinois courts. We checked this link and it resolved to a form on an official court or government website — always download the current version directly from the source rather than a third-party copy:

Verified official PDF

Download Petition for Letters of Administration (Intestate) — Probate (Form 3812) (PDF) →

Source: dupagecircuitclerk.gov

Link last checked: August 16, 2026

How to file Petition for Letters of Administration (Intestate) — Probate (Form 3812) in Illinois

  1. Step 1 — Confirm you have the correct formDouble-check that Petition for Letters of Administration (Intestate) — Probate (Form 3812) is the right form for your situation. Illinois probate forms are revised periodically, so verify the name and number against your court's current form list before you start.
  2. Step 2 — Complete every required fieldFill out Petition for Letters of Administration (Intestate) — Probate (Form 3812) carefully and review it for errors before filing. Probate cases can already take months — a small mistake on the form can set your timeline back further.
  3. Step 3 — Get it notarized or witnessed if requiredSome probate forms must be signed in front of a notary or witnesses. Check the instructions on the form itself, and arrange notarization before you file if it's required.
  4. Step 4 — File it with the correct courtSubmit Petition for Letters of Administration (Intestate) — Probate (Form 3812) to the probate court or county clerk handling the estate — usually in the Illinois county where the deceased lived. Ask the clerk how they prefer to receive filings (in person, by mail, or e-filing).

Working through the Petition for Letters of Administration (Intestate) — Probate (Form 3812)? SwiftProbate builds a personalized, step-by-step checklist for settling the estate — so you know which forms to file, in what order, and by when.

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Probate in Illinois

See the full Illinois probate guide for filing deadlines, small-estate options, timelines, costs, and county courthouse details.

Read the Illinois probate guide →

Frequently Asked Questions

What is Petition for Letters of Administration (Intestate) — Probate (Form 3812)?
Petition for Letters of Administration (Intestate) — Probate (Form 3812) is a probate form used during estate settlement in Illinois. It's filed with the probate court as part of administering a deceased person's estate.
Where do I file Petition for Letters of Administration (Intestate) — Probate (Form 3812) in Illinois?
Probate forms are filed with the probate court or county clerk in the Illinois county where the deceased person lived. Our Illinois probate guide can help you find the right courthouse, filing fees, and local requirements.
Do I need a lawyer to complete Petition for Letters of Administration (Intestate) — Probate (Form 3812)?
Many people complete probate forms themselves, especially for smaller or uncontested estates. Complex estates may benefit from professional advice. SwiftProbate is an informational tool that helps you understand and organize the process — it is not a law firm and does not provide legal advice.
Is Petition for Letters of Administration (Intestate) — Probate (Form 3812) available online?
Most Illinois probate forms are published as PDFs by the state courts or the county clerk. You can find the official source linked above.

Other Illinois Probate Forms

Affidavit of Heirship — Collateral Heirs / No Descendants — Probate (Form 3841)Affidavit of Heirship — Spouse and/or Descendants — Probate (Form 3842)Citation to Discover Assets — Probate (Form 3843)Election to Take Goods and Chattels for Award (Form 3791)

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Disclaimer: This page is for informational purposes only and does not constitute legal advice. Probate forms and requirements vary by state, county, and individual circumstances, and change over time. Always verify the current form and instructions with your local probate court, and consult a qualified attorney for advice specific to your situation. SwiftProbate is not a law firm and does not provide legal representation.