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Estate & Elder Law Attorneys in O'Fallon, MO

Need a will, trust, or probate help in O'Fallon? We list 9 local estate & elder law attorneys serving O'Fallon and surrounding Missouri communities, with ratings and direct phone numbers. Providers listed in O'Fallon focus on estate planning attorney. O'Fallon sits in St. Charles County, Missouri. Other Missouri cities covered include Kansas City, St. Louis and Ozark.

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1. Winghaven Law, LLC Estate Planning Attorney

★ 4.8 (85 reviews) · 2315 Technology Dr #119, O'Fallon, MO 63368, USA

2. Tim Lohmar Attorney at Law Estate Planning Attorney

★ 4.9 (43 reviews) · 2342 Technology Dr Ste 120, O'Fallon, MO 63368, USA

3. David E Woods Law Estate Planning Attorney

★ 5.0 (20 reviews) · 427 W Terra Ln, O'Fallon, MO 63366, USA

4. Suddarth & Koor, LLC Estate Planning Attorney

★ 3.9 (31 reviews) · 755 W Terra Ln, O'Fallon, MO 63366, USA

5. Watkins Law Firm, P.C. Estate Planning Attorney

★ 3.2 (36 reviews) · 1001 Boardwalk Springs Pl Ste 111, O'Fallon, MO 63368, USA

6. Staebell Law LLC Estate Planning Attorney

★ 4.6 (19 reviews) · 202 S Main St, O'Fallon, MO 63366, USA

7. The Marks Law Firm, L.L.C. Estate Planning Attorney

★ 5.0 (4 reviews) · 1001 Boardwalk Springs Pl Ste 111, O'Fallon, MO 63368, USA

8. Woodlawn Law Offices Estate Planning Attorney

★ 3.6 (12 reviews) · 410 Crestview Dr, O'Fallon, MO 63366, USA

9. Haynes Law Office LLC Estate Planning Attorney

★ 5.0 (3 reviews) · 1070 Bryan Rd, O'Fallon, MO 63366, USA

Estate planning attorneys in O'Fallon, MO: a local guide

We currently track 9 estate planning, elder law, and probate attorneys serving O'Fallon, MO in St. Charles County. Across the ones with public reviews, the average customer rating is 4.4★ from 253 total reviews, and 6 hold a 4.5★ rating or higher. Winghaven Law, LLC is among the most-reviewed locally, at 4.8★ across 85 reviews.

What estate planning costs in O'Fallon

Rough planning ranges for the O'Fallon area:

ServiceTypical range
Simple will package$350–$1,350
Revocable living trust package$1,700–$4,500
Full estate plan or probate work$3,350–$8,950+

Many O'Fallon estate attorneys quote flat fees for wills and trusts and bill hourly (often $250-$500/hr) for probate. Ask for a written fee agreement before you engage.

How to choose an estate attorney in O'Fallon

  • Confirm they're licensed and in good standing with the state bar, and ask how long they've practiced near O'Fallon.
  • Ask whether wills and trusts are flat-fee and what that covers (funding the trust, revisions, directives).
  • Ask who actually does the work — the attorney, a paralegal, or a form service — and who you'll call with questions.
  • For probate, ask about the realistic timeline and total cost for a O'Fallon-area estate before you engage.
  • Make sure they'll keep your plan current as laws and your family change, and how updates are billed.

Questions to ask before you hire

  • Do you focus on estate planning and probate specifically?
  • Will you help fund the trust and store the documents?
  • How do updates work as laws or my family change?
  • Who will handle my file day to day?
  • What's the realistic timeline for my O'Fallon matter?

Many O'Fallon listings also handle wills, trusts, powers of attorney, healthcare directives, and probate administration.

Frequently asked questions

How much does a will or living trust cost in O'Fallon?

Many O'Fallon estate attorneys charge flat fees, roughly $300 to $1,200 for a simple will package and $1,500 to $4,000 for a revocable living trust. Probate work is often billed hourly. Ask for a written fee agreement up front.

Do I need a will or a living trust?

It depends on your assets and goals. A will is simpler and cheaper; a living trust can avoid probate and keep matters private. A short consultation with a O'Fallon estate attorney will tell you which fits.

How much does probate cost and how long does it take?

Probate cost and timeline vary by estate and county. Simple O'Fallon-area estates can take several months, while complex ones run over a year. Ask the attorney for a realistic estimate for your situation.

What is the difference between estate planning and elder law?

Estate planning focuses on wills, trusts, and passing on assets; elder law also covers long-term care, Medicaid planning, and guardianship. Many O'Fallon firms handle both.

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