Trust Administration Attorneys in Illinois

55 trust administration firms in Illinois, by county and firm type.

Firm listings are for informational purposes only. SimplyTrust does not endorse or recommend any specific firm or attorney. Contact firms directly to discuss your situation and verify their current practice areas and availability.

55 firms

FirmSouth Elgin, IL

Ariano Hardy Ritt Richmond Lytle & Goettel P.C.

Serves 6 counties

South Elgin and Huntley firm serving Kane, McHenry, DuPage, DeKalb, Kendall, and Cook counties. Handles wills and trusts, probate, trust administration, guardianships, and special needs trusts, and represents executors and beneficiaries in will contests and estate litigation.

PracticesEstate PlanningTrust AdministrationProbateProbate Litigationand 4 more

Office: 2000 McDonald Road, Suite 200South Elgin, IL 60177
Phone: (847) 695-2400

Free consultation

FirmSpringfield, IL

Barber, Segatto, Hoffee, Wilke & Cate LLP

Since 1897 · Serves 2 counties

Serves Sangamon County estates and trusts through the Springfield probate court, with a second office in Waverly reaching Morgan County. Attorneys guide executors from opening the estate through final accounting and represent heirs, executors, and trustees in will contests and trust litigation. Estate and income tax planning and business and agricultural succession round out the practice.

PracticesEstate PlanningTrust AdministrationProbateProbate Litigationand 4 more

Office: 831 E. Monroe StreetSpringfield, IL 62701
Phone: (217) 544-4868

FirmPeoria, IL

Benckendorf & Benckendorf, P.C.

Since 1981 · Serves 6 counties

Peoria firm serving Peoria, Tazewell, Woodford, Fulton, Knox, and McLean counties, with a second office in Morton. Represents executors, administrators, trustees, and beneficiaries in probate court administration, fiduciary and estate tax returns, small estate affidavits, and estate claims. Also handles guardianships, special needs trusts, and Medicaid planning.

PracticesEstate PlanningTrust AdministrationProbateProbate Litigationand 5 more

Office: 101 NE Randolph AvenuePeoria, IL 61606
Phone: (309) 673-0797

FirmTaylorville, IL

Beavers, Calvert, & Brotherton

Since 1928 · Serves the whole state

Taylorville firm practicing in Christian County since 1928. Guides executors and trustees through probate and estate administration and litigates disputes between heirs, estate challenges, trustee misconduct, and misappropriation of assets. Also drafts wills, trusts, and powers of attorney and handles guardianships for minors and incapacitated adults.

PracticesEstate PlanningTrust AdministrationProbateProbate Litigationand 3 more

Office: 221 West Main Cross StreetTaylorville, IL 62568
Phone: (217) 824-3341

FirmPark Ridge, IL

Bellas & Wachowski, Attorneys at Law

Serves 2 counties

Park Ridge firm of more than 40 years, with a by-appointment Chicago office, serving Cook and DuPage County families. Guides executors, administrators, and trustees through Illinois probate and trust administration — asset valuation, debt and tax resolution, distribution — and represents clients in will contests and heirship disputes. Also handles guardianships of adults and minors.

PracticesEstate PlanningTrust AdministrationProbateProbate Litigationand 3 more

Office: 15 N. Northwest HighwayPark Ridge, IL 60068
Phone: (847) 823-9030

FirmMount Vernon, IL

Black, Ballard, McDonald, P.C.

Since 1938 · Serves 7 counties

Mt. Vernon firm practicing in Jefferson County since 1938 and handling matters across the southern third of Illinois. Advises executors and trustees on whether to probate, on the inventory and accounting of assets, and on distributions, and represents beneficiaries in estate and trust administration. Also establishes guardianships over minors and disabled adults.

PracticesEstate PlanningTrust AdministrationProbateTax Planningand 3 more

Office: 108 S. 9th StreetMount Vernon, IL 62864
Phone: (618) 242-3310

Free consultation

Solo PracticeBelvidere, IL

Brynteson Law Firm

Serves 5 counties

Belvidere solo practice serving Winnebago, Boone, DeKalb, Stephenson, and McHenry counties from a Rockford-area base. Assists executors and trustees with probate administration, trust administration, and probate litigation, and prepares wills, powers of attorney, guardianships, and elder care plans. Attorney Mark Brynteson has practiced for over 35 years.

PracticesEstate PlanningTrust AdministrationProbateProbate Litigationand 4 more

Office: 2969 Rolling Meadow CtBelvidere, IL 61008
Phone: (708) 667-6868

Free consultationVirtual consultations

FirmRockford, IL

Crosby Law Firm

Since 1980 · Serves 3 counties

Rockford firm serving Winnebago and Boone county families since 1980. Walks executors through identifying and cataloging assets, paying debts and taxes, and distributing what remains, and handles trust administration, guardianships for minors and incapacitated adults, and estate tax reduction planning.

PracticesEstate PlanningTrust AdministrationProbateTax Planningand 3 more

Office: 475 Executive Parkway, Suite 1Rockford, IL 61107
Phone: (815) 397-2006

Free consultation

FirmMattoon, IL

Constant, Wawrzynek & Grove, LLC

Serves 7 counties

Mattoon-based estate planning firm whose attorneys regularly prepare wills, trusts, powers of attorney, living wills, and transfer-on-death instruments. The firm also handles probate, non-probate, and trust administration matters and guardianships of adults and minors for Coles County and surrounding communities.

PracticesEstate PlanningTrust AdministrationProbateTax Planningand 3 more

Office: 1406 Broadway AvenueMattoon, IL 61938
Phone: (217) 234-7123

FirmBloomington, IL

Costigan & Wollrab, P.C.

Since 1916 · Serves 1 county

Bloomington firm practicing in McLean County since 1916. Its attorneys handle trusts, estates, and probate — estate administration and the tax work that goes with it — and guardianships, with one partner serving as a certified Guardian ad Litem for the Eleventh Judicial Circuit.

PracticesEstate PlanningTrust AdministrationProbateTax Planningand 3 more

Office: 308 East Washington StreetBloomington, IL 61701
Phone: (309) 808-6067

FirmCentralia, IL

Crain, Miller & Wernsman, Ltd.

Since 1939 · Serves 5 counties

Centralia firm founded in 1939, serving Marion County and the surrounding southern Illinois counties. Collects and manages estate assets and debts, pays taxes, distributes property to heirs, and closes the estate, and also handles trust administration, nonprobate administration, contested wills, and guardianships of minors and disabled adults.

PracticesEstate PlanningTrust AdministrationProbateProbate Litigationand 5 more

Office: 623 E. Broadway StreetCentralia, IL 62801
Phone: (618) 547-1613

Solo PracticeChicago, IL

Law Office of Johann Chau

Since 2011 · Serves 1 county

Downtown Chicago estate and probate practice on West Jackson Boulevard serving Chicago neighborhoods and the surrounding suburbs. Guides executors and trustees through Cook County probate and trust administration, and drafts special-needs and Medicaid asset-protection trusts. Consultations are offered in English, Cantonese, and Vietnamese, in person or virtually.

PracticesEstate PlanningTrust AdministrationProbateElder Lawand 4 more

Office: 111 West Jackson BoulevardChicago, IL 60604
Phone: (312) 529-7853

Free consultationVirtual consultations

FirmO'Fallon, IL

Dodd & Wambold

Serves 3 counties

O’Fallon estate and elder-law firm on Insight Avenue serving Metro East families in St. Clair County. Guides executors and trustees through probate and trust administration — inventorying assets, paying debts and taxes, and distributing to heirs — plus guardianships and special needs trusts. Attorneys Heidi Dodd and Kelly Wambold also handle long-term-care planning.

PracticesEstate PlanningTrust AdministrationProbateElder Lawand 4 more

Office: 723 Insight Ave, Suite 100O'Fallon, IL 62269
Phone: (618) 235-6335

Solo PracticeEvanston, IL

Daci Jett Law, LLC

Serves 1 county

Downtown Evanston practice on Church Street serving Evanston, Chicago, and North Shore families. Handles Cook County probate — validating the will, collecting assets, paying debts and taxes, and distributing to beneficiaries — plus trust administration and estate mediation. Attorney Daci Jett meets clients in person or by video.

PracticesEstate PlanningTrust AdministrationProbateWills Trusts

Office: 708 Church Street, Suite 239Evanston, IL 60201
Phone: (847) 957-7650

Virtual consultations

Solo PracticeChicago, IL

Dynasty Law, LLC

Serves 2 counties

North Michigan Avenue practice in Chicago, with suburban appointments in Oakbrook Terrace. Handles Illinois probate and trust administration after a death — inventorying and appraising property, paying debts and estate taxes, and retitling trust assets to beneficiaries — plus adult guardianship and conservatorship. Attorney Jacklyn Truppa bills flat fees agreed in advance rather than hourly.

PracticesEstate PlanningTrust AdministrationProbateTax Planningand 4 more

Office: 875 N. Michigan Avenue, 31st FloorChicago, IL 60611
Phone: (312) 248-4304

Free consultation

FirmAurora, IL

Dickson, Francissen & Bartz, LLP

Serves 7 counties

Aurora firm on West Galena Boulevard probating estates in Kane, Kendall, DuPage, Will, DeKalb, and Cook counties. Advises executors, administrators, and trustees through independent administration, trust reformation petitions, and estate and gift tax issues, and represents clients in will contests. Brings nearly 50 years of estate and farm succession planning.

PracticesEstate PlanningTrust AdministrationProbateProbate Litigationand 5 more

Office: 2000 W. Galena Boulevard, Suite 209Aurora, IL 60506
Phone: (630) 897-8840

FirmKankakee, IL

Deck Baron & Provost

Serves 2 counties

Practices from the Executive Centre in downtown Kankakee, serving Kankakee and Iroquois counties. Represents executors and trustees through probate, trust administration, small estate affidavits, estate and trust disputes, and estate and gift tax returns. Attorneys Gregory Deck, David Baron, and Neeley Provost also handle agricultural and banking work.

PracticesEstate PlanningTrust AdministrationProbateProbate Litigationand 7 more

Office: 200 E. Court Street, Suite 508Kankakee, IL 60901
Phone: (815) 939-7373

Solo PracticeLake Forest, IL

Evans Legacy Law Group LLC

Serves the whole state

Lake Forest office on S. Saunders Road serving Chicago, the North Shore, and clients throughout Illinois and Missouri. Guides executors and trustees through probate — validating the will, inventorying and valuing assets, creditor and beneficiary notice, court filings, and distribution — plus guardianship and digital-asset planning. Attorney Shanise Evans meets clients in person or virtually.

PracticesEstate PlanningTrust AdministrationProbateConservatorshipand 3 more

Office: 100 S Saunders Road, Suite 150Lake Forest, IL 60045
Phone: (872) 228-1572

Free consultationVirtual consultations

FirmCarbondale, IL

Feirich/Mager/Green/Ryan

Since 1909 · Serves 5 counties

Carbondale firm on West Main Street, established in 1909, serving Jackson County and southern Illinois. Handles probate administration — appointing personal representatives, preparing inventories and accountings — plus trust administration, retitling assets to beneficiaries, estate and fiduciary income tax returns, adult and minor guardianships, and business succession.

PracticesEstate PlanningTrust AdministrationProbateTax Planningand 4 more

Office: 2001 W. Main Street, Suite 101Carbondale, IL 62901
Phone: (618) 529-3000

FirmFrankfort, IL

Frankfort Law Group

Serves the whole state

Frankfort firm on West Lincoln Highway serving Will, Cook, and Kankakee counties and clients across Illinois. Opens estates in the county probate court, prepares inventories and creditor notices, and handles ancillary probate for out-of-state decedents with Illinois property, alongside trust administration, guardianships, and special needs trusts. Free consultation.

PracticesEstate PlanningTrust AdministrationProbateElder Lawand 4 more

Office: 10075 W. Lincoln Highway, Floor 1Frankfort, IL 60423
Phone: (708) 766-7333

Free consultation

1 2 3

2 3

Illinois follows the reasonable-compensation standard for trustees. A court decides what is reasonable case by case, on the trust's size, its complexity and the trustee's actual work. A family-member trustee often waives the fee. A professional trustee (a bank, a trust company, an attorney) typically charges 0.5% to 1.5% of trust assets a year, and a corporate fiduciary applies an annual minimum. The Illinois trustee compensation calculator breaks it down by trust situation.

Trust administration in Illinois is typically faster than probate because a trust needs no court supervision. There is no court-supervised creditor period — the trustee distributes once known debts are settled, subject to Illinois's general limitations period. A simple trust often wraps up in six to nine months; a trust holding a business interest, real property in more than one state, or one that files an estate tax return takes longer. The Illinois trust settlement plan carries the full process.

Estate planning attorneys in Illinois average $334 an hour for wills and estates work. A flat-fee package runs $1,002 to $2,004 for a simple individual will and $3,680 to $5,520 for a basic revocable trust. An online service prices the same documents in the tens to low hundreds of dollars; the Illinois will cost calculator sets the two side by side.

In Illinois, estates with personal property of $150,000 or less skip probate with the Small Estate Affidavit. That route is a form rather than a court case, and most families handle it without an attorney. Above the line, formal probate generally benefits from counsel for the procedural work, even when nothing is contested. The Illinois probate calculator estimates the cost by estate value.

In Illinois, the situations where counsel is typically worth the cost are: a blended family with children from a prior relationship; a business, rental property or significant investment assets; a dependent with special needs, who needs a special-needs trust to keep benefits; an estate near or above the Illinois estate tax threshold of $4,000,000; substantial property in more than one state. Where none of these apply, an online or self-help document is often enough.

Trust Administration Attorneys in Illinois

Trust administration in Illinois happens privately, without court supervision. The successor trustee handles the 24 months creditor period, distributes assets according to the trust terms, and is compensated under the reasonable-compensation standard. A family-member trustee often waives the fee; a professional trustee typically charges a percentage of trust assets a year.

Illinois attorneys average $334 an hour for wills and estates work. A basic will from an attorney runs $1,002–$2,004; online services cost $30–$300.

Illinois imposes its own estate tax separate from the federal one, kicking in well below the federal exemption. Estates near the state threshold benefit from real planning — not because every family needs it, but because the line is lower than people expect.

Worth knowing: estates under $150,000 can use Illinois's simplified affidavit instead of formal probate. If your situation is straightforward and the estate fits, you may not need an attorney at all.

SimplyTrust Editorial·Updated October 17, 2026

Legal Sources

Data sourced from Illinois statutes and official state code. How we research.

Forms for Planning and Settling an Estate in Illinois

Free Illinois forms for planning an estate or settling one: a will, trust, powers of attorney, TOD deed, and the probate forms an executor files.

$12/month

Revocable Living Trust

Create a revocable living trust to avoid probate, protect privacy, and control asset distribution.

Get Started

Free

Pour-Over Will

In Illinois, a pour-over will is signed before 2 witnesses and moves anything left outside the trust into it through probate.

Get Started

All Illinois forms

Tools for Planning and Settling an Estate in Illinois

Free calculators and checklists for planning or settling an estate in Illinois: will and trust costs, probate, executor pay, and inheritance taxes.

How Do I Settle a Trust?

Settling a trust in Illinois happens outside court: the trustee acts under the state's Uniform Trust Code, notifies the beneficiaries within 90 days, then pays the debts and distributes under the trust's terms.

Get Plan

What's Fair Trustee Compensation?

In Illinois, trustee compensation follows "reasonable compensation" (UTC § 708 or equivalent) unless the trust instrument sets a different amount.

Use Calculator

How Do I Settle an Estate?

Settling an estate in Illinois: the personal representative files the estate inventory within 60 days of appointment; creditors have 6 months to present claims; a simple estate closes in 6 months to 9 months.

Get Plan

Do I Have to File Tax Returns for Someone Who Died?

Illinois requires a final state income tax return for the decedent alongside the federal Form 1040; a federal estate tax return (Form 706) is required only for estates above $15,000,000.

Check Requirements

How Does Step-Up in Basis Work?

Inherited assets in Illinois take a basis reset to fair market value on the date of death, and the gain on a later sale faces ordinary income tax at the state's regular rates.

Use Calculator

All Illinois tools