Atty. Sidney A. Thayer

Atty. Sidney A. Thayer

Sidney A. Thayer is a lawyer practicing probate law, estate planning, family law and 1 other area of law.

Washington Washington 56 yrs experience 56 year
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Profile Summary

About Sidney A. Thayer at a glance

Sidney A. Thayer is a probate, family law, estate planning, and real estate attorney based in Washington, Missouri. They have 56+ years of legal experience, licensed to practice since 1970. Admitted to practice in Missouri (1970). Educated at St. Louis University J.D. (—) and University of Missouri B.S. (—). Recognitions include BV Distinguished. Serands clients in Washington, MO and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Sidney A. Thayer is a lawyer practicing probate law, estate planning, family law and 1 other area of law
  • Sidney received a B.S. degree from University of Missouri, and has been licensed for 56 years
  • Sidney practices in Washington, MO

Practice Areas Explained

Sidney A. Thayer's Areas of Practice

Each practice area below reflects the types of cases Sidney A. Thayer handles, with a brief overview of what that area of law covers.

Probate

Sidney A. Thayer is one of 128,014 probate attorneys indexed nationally. Browse probate attorneys in Missouri →

Family Law

Family law attorneys handle divorce, child custody, child support, adoption, prenups, and protective orders. Find verified family lawyers near you.

Sidney A. Thayer is one of 187,066 family law attorneys indexed nationally. Browse family law attorneys in Missouri →

Estate Planning & Probate

An estate planning attorney prepares wills, trusts, powers of attorney, and healthcare directives to protect your family and pass on your assets.

Sidney A. Thayer is one of 226,536 estate planning attorneys indexed nationally. Browse estate planning attorneys in Missouri →

Real Estate Law

Real estate attorneys handle home purchases, sales, commercial transactions, title disputes, and landlord-tenant matters.

Sidney A. Thayer is one of 316,149 real estate attorneys indexed nationally. Browse real estate attorneys in Missouri →

Jurisdictional Context

Why local counsel matters in Missouri

Practicing law in Missouri. Legal matters in Missouri are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive law. Cases originating in Washington are typically filed in the local municipal court or the appropriate Missouri state district court, depending on subject matter and amount in controversy. An attorney licensed in Missouri brings working knowledge of local procedural deadlines, judicial practices in this andnue, and the substantive law that applies to cases brought here. Out-of-state attorneys generally cannot represent clients in Missouri courts without local counsel or pro hac vice admission.

Looking for additional Missouri attorneys? Browse all attorneys in Washington or all attorneys in Missouri.

Frequently Asked

Common questions about Sidney A. Thayer

Where is Sidney A. Thayer's law office located?
Sidney A. Thayer's law practice is located in Washington, Missouri. You can contact the office directly through this profile page.
What practice areas does Sidney A. Thayer handle?
Sidney A. Thayer focuses on probate, family law, estate planning, real estate. Each practice area listed reflects experience handling cases of that type in Missouri.
How long has Sidney A. Thayer practiced law?
Sidney A. Thayer has 56+ years of legal experience and has been licensed since 1970.
Where did Sidney A. Thayer go to law school?
Sidney A. Thayer earned their education at (—); (—).
How can I contact Sidney A. Thayer for a consultation?
You can contact Sidney A. Thayer directly through this profile page. Click "Ask the Attorney" to submit a question, or "Schedule a Consultation" to book a meeting. Most claimed-profile attorneys respond within one business day.
What awards or recognition has Sidney A. Thayer received?
Sidney A. Thayer's notable recognition includes: BV Distinguished.

Education

St. Louis University J.D.
- In Progress
University of Missouri B.S.
- In Progress

Awards

BV Distinguished

Bar Admissions

Missouri
Admitted: 1970

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