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State rules · Illinois

Illinois: estate, probate and Medicaid rules in one place

What applies in Illinois, collected from the site’s state datasets: estate and inheritance tax, transfer-on-death deeds, small-estate procedure, Medicaid long-term-care rules, and state income tax on retirement income. Where the dataset holds a source, the entry links it with its effective marker and check date; where it does not, the entry shows its verification status and the reason.

Quick answers

Does Illinois have a state estate tax?

State estate tax: Yes (35 ILCS 405/2 (exclusion amount); 35 ILCS 405/3 (tax imposed)). Estate-tax exemption: $4,000,000 (35 ILCS 405/2 (exclusion amount); 35 ILCS 405/3 (tax imposed); 2026 deaths). Estate-tax top rate: 16% (35 ILCS 405/2 (exclusion amount); 35 ILCS 405/3 (tax imposed); 2026 deaths).

Does Illinois have an inheritance tax?

Inheritance tax: No (35 ILCS 405/2 (exclusion amount); 35 ILCS 405/3 (tax imposed)).

Can you use a transfer-on-death deed in Illinois?

Transfer-on-death deed for real estate: Available — Transfer on death instrument (755 ILCS 27/10 — applicability of the Real Property Transfer on Death Instrument Act; expanded to all real property eff. Jan. 1, 2022 (P.A. 102-0068)).

What is the Medicaid look-back period in Illinois?

Look-back period: 60 months (89 Illinois Administrative Code 120.388; Section 120.388 amended effective January 1, 2012).

Does Illinois tax Social Security benefits?

Social Security benefits: Exempt (2025 IL-1040 Form Instructions — Illinois Individual Income Tax; tax year 2025).

State estate tax

Estate-tax dataset 2026.v2

State estate tax
YesVerified

Source: 35 ILCS 405/2 (exclusion amount); 35 ILCS 405/3 (tax imposed) · Checked July 18, 2026

Estate-tax exemption
$4,000,000Verified

Source: 35 ILCS 405/2 (exclusion amount); 35 ILCS 405/3 (tax imposed) · Effective: 2026 deaths · Checked July 18, 2026

Estate-tax filing threshold
$4,000,000Verified

Source: 35 ILCS 405/2 (exclusion amount); 35 ILCS 405/3 (tax imposed) · Checked July 18, 2026

Estate-tax top rate
16%Verified

Source: 35 ILCS 405/2 (exclusion amount); 35 ILCS 405/3 (tax imposed) · Effective: 2026 deaths · Checked July 18, 2026

Inheritance tax

Estate-tax dataset 2026.v2

Inheritance tax
NoVerified

Source: 35 ILCS 405/2 (exclusion amount); 35 ILCS 405/3 (tax imposed) · Checked July 18, 2026

Transfer-on-death deed

Transfer-on-death deed for real estate
Available — Transfer on death instrumentVerified

Source: 755 ILCS 27/10 — applicability of the Real Property Transfer on Death Instrument Act · Effective: expanded to all real property eff. Jan. 1, 2022 (P.A. 102-0068) · Checked July 26, 2026

Controlling statute
755 ILCS 27Verified

Source: 755 ILCS 27/10 — applicability of the Real Property Transfer on Death Instrument Act · Effective: expanded to all real property eff. Jan. 1, 2022 (P.A. 102-0068) · Checked July 26, 2026

Small-estate procedure

Current affidavit ceiling
$150,000 personal estate; affidavit collectionVerified

Source: 755 ILCS 5/25-1 · Effective: P.A. 104-346, effective August 15, 2025 · Checked August 23, 2026

Medicaid long-term-care eligibility

Medicaid dataset 2026.v16

Institutional income treatment
No universal institutional income cap; medically needy spenddown and post-eligibility contribution rules apply.Verified
  • Applies to: applicant whose income exceeds the applicable eligibility standard.

Source: 89 Illinois Administrative Code 120.61 · Effective: Amended effective July 23, 2025 · Checked September 5, 2026

AABD medically needy resource limit
$17,500Verified
  • Applies to: single applicant.

Source: 89 Illinois Administrative Code 120.382 · Effective: Amended effective September 21, 2023 · Checked September 5, 2026

Maximum community-spouse resource allowance
$143,172Verified
  • Applies to: institutionalized applicant with a community spouse.

Source: Illinois HFS Provider Notice: 2026 spousal-impoverishment standards · Effective: Effective January 1, 2026; issued January 22, 2026 · Checked September 5, 2026

Base monthly maintenance-needs allowance
Does not apply
  • Applies to: Illinois uses its published maximum rather than a separate base allowance.

The primary-source authority cited for this cell establishes that the field does not apply.

Source: Illinois HFS Provider Notice: 2026 spousal-impoverishment standards · Effective: Effective January 1, 2026; issued January 22, 2026 · Checked September 5, 2026 · Ask the state agency

Maximum monthly maintenance-needs allowance
$4,066.50Verified
  • Applies to: institutionalized applicant with a community spouse.

Source: Illinois HFS Provider Notice: 2026 spousal-impoverishment standards · Effective: Effective January 1, 2026; issued January 22, 2026 · Checked September 5, 2026

Home-equity limit
$752,000Verified
  • Applies to: applicant subject to Illinois's federal-minimum election.

Source: 305 ILCS 5/3-1.2(e) · Also: CMS 2026 SSI and January spousal-impoverishment standards · Effective: Current Illinois Compiled Statutes; federal minimum home-equity standard incorporated by reference · Checked September 5, 2026

Medicaid look-back

Medicaid dataset 2026.v16

Look-back period
60 monthsVerified

Source: 89 Illinois Administrative Code 120.388 · Effective: Section 120.388 amended effective January 1, 2012 · Checked September 5, 2026

Transfer-penalty divisor
The community's average monthly private-pay cost for nursing-facility services at the time the penalty is calculatedVerified

Source: 89 Illinois Administrative Code 120.388 · Effective: Section 120.388 amended effective January 1, 2012 · Checked September 5, 2026

How the state administers the penalty
Illinois divides the uncompensated value by the applicable community average monthly private-pay nursing-facility cost and applies the transfer penalty under the aggregation, start-date, and exception rules in 89 Ill. Adm. Code 120.388.Verified

Source: 89 Illinois Administrative Code 120.388 · Effective: Section 120.388 amended effective January 1, 2012 · Checked September 5, 2026

Medicaid estate recovery

Medicaid dataset 2026.v16

Recovery scope
Recovery is generally against the probate estate. Expanded nonprobate interests are included only for a decedent whose qualified long-term-care policy caused assets to be disregarded.Verified

Source: 89 Illinois Administrative Code 102.210, 102.230, 102.235, 102.240, and 102.250 · Effective: Section 102.210 amended effective November 21, 2023; section 102.230 amended effective December 1, 2001; section 102.235 amended effective January 1, 1997; sections 102.240 and 102.250 amended effective December 28, 1993 · Checked September 5, 2026

Controlling authority
305 ILCS 5/5-13 and 5-13.1 and 89 Ill. Adm. Code 102.200 through 102.250 govern estate claims, waivers, and liens.Verified

Source: 305 ILCS 5/5-13 and 5-13.1 · Also: 89 Illinois Administrative Code 102.210, 102.230, 102.235, 102.240, and 102.250 · Effective: Section 5-13.1 effective June 2, 2022 · Checked September 5, 2026

Exemptions and deferrals
Illinois does not enforce a medical-assistance claim while a surviving spouse, a child under 21, or a blind or permanently disabled adult child survives. For deaths on or after July 1, 2022, the first $25,000 of an estate is waived.Verified

Source: 89 Illinois Administrative Code 102.210, 102.230, 102.235, 102.240, and 102.250 · Effective: Section 102.210 amended effective November 21, 2023; section 102.230 amended effective December 1, 2001; section 102.235 amended effective January 1, 1997; sections 102.240 and 102.250 amended effective December 28, 1993 · Checked September 5, 2026

Hardship waiver
Illinois waives recovery when it is not cost-effective, would cause undue hardship, or for another just reason; the rules include a waiver where recovery would cause an heir or beneficiary to become or remain eligible for public benefits.Verified

Source: 305 ILCS 5/5-13 and 5-13.1 · Also: 89 Illinois Administrative Code 102.210, 102.230, 102.235, 102.240, and 102.250 · Effective: Section 5-13.1 effective June 2, 2022 · Checked September 5, 2026

Lien practice
Illinois may file a lien on real property of a permanently institutionalized recipient after notice and the required determination, subject to protected-resident rules; the administrative code governs filing, renewal, foreclosure, and release.Verified

Source: 89 Illinois Administrative Code 102.210, 102.230, 102.235, 102.240, and 102.250 · Effective: Section 102.210 amended effective November 21, 2023; section 102.230 amended effective December 1, 2001; section 102.235 amended effective January 1, 1997; sections 102.240 and 102.250 amended effective December 28, 1993 · Checked September 5, 2026

State income tax on retirement income

Retirement-income tax dataset 2026.v4

Social Security benefits
ExemptVerified
  • Illinois subtracts the federally taxed portion of qualifying retirement income included in federal adjusted gross income. Social Security is expressly listed.

Source: 2025 IL-1040 Form Instructions — Illinois Individual Income Tax · Effective: tax year 2025 · Checked January 18, 2026

Public pensions
ExemptVerified
  • Illinois subtracts the federally taxed portion of qualifying retirement income included in federal adjusted gross income. Government retirement plans are expressly listed.
  • Only the qualifying federally taxed amount included in federal adjusted gross income is subtracted.

Source: 2025 IL-1040 Form Instructions — Illinois Individual Income Tax · Effective: tax year 2025 · Checked January 18, 2026

Private pensions
ExemptVerified
  • Illinois subtracts the federally taxed portion of qualifying retirement income included in federal adjusted gross income. Qualified employee benefit plans under IRC sections 402 through 408 are expressly listed.
  • Only the qualifying federally taxed amount included in federal adjusted gross income is subtracted.

Source: 2025 IL-1040 Form Instructions — Illinois Individual Income Tax · Effective: tax year 2025 · Checked January 18, 2026

IRA and 401(k) distributions
ExemptVerified
  • Illinois subtracts the federally taxed portion of qualifying retirement income included in federal adjusted gross income. Qualified 401(k), IRA, and SEP retirement income is expressly listed.
  • Only the qualifying federally taxed amount included in federal adjusted gross income is subtracted.

Source: 2025 IL-1040 Form Instructions — Illinois Individual Income Tax · Effective: tax year 2025 · Checked January 18, 2026

Military retirement pay
ExemptVerified
  • Illinois subtracts the federally taxed portion of qualifying retirement income included in federal adjusted gross income. Military retirement plans are expressly listed.
  • Only the qualifying federally taxed amount included in federal adjusted gross income is subtracted.

Source: 2025 IL-1040 Form Instructions — Illinois Individual Income Tax · Effective: tax year 2025 · Checked January 18, 2026

About this page

This page assembles entries from datasets the site already publishes; it adds no figure of its own. Entries marked “Not yet verified” or “Pending” have no primary-source value in the underlying dataset yet. Rules change, so confirm anything you plan to act on with the source, the state agency, or a licensed attorney.

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