Atty. Marc Stuart Feinstein

Atty. Marc Stuart Feinstein

Marc Stuart Feinstein is a lawyer practicing elder law, business law, tax law and 1 other area of law. Marc received a A.B. degree from Stanford University in 1975, and has been licensed for 31 years.

Sioux Falls Sioux Falls 31 yrs experience 31 year
Call (605) 275-5665 Book Appointment

Business Law & More Attorney · Serving Sioux Falls, SD · 31+ Years Experience

Profile Summary

About Marc Stuart Feinstein at a Glance

Marc Stuart Feinstein is a estate planning, business, tax, and elder law attorney based in Sioux Falls, South Dakota. They have 31+ years of legal experience, licensed to practice since 1995. Admitted to practice in South Dakota (1995) and Minnesota (1997). Educated at University of Florida College of Law (LL.M. Taxation, 1998) and Stanford University (A.B., 1975). Serves clients in Sioux Falls, SD and the surrounding metropolitan area.

Verified attorney profile · Updated October 2026

About Marc Stuart Feinstein

  • Marc Stuart Feinstein is a lawyer practicing elder law, business law, tax law and 1 other area of law
  • Marc received a A.B. degree from Stanford University in 1975, and has been licensed for 31 years
  • Marc practices in Sioux Falls, SD

Practice Areas Explained

Marc Stuart Feinstein's Areas of Legal Practice

Each practice area below reflects the types of cases Marc Stuart Feinstein handles, with a practical overview of what that area of law involves and how it may apply to your situation in Sioux Falls.

Estate Planning & Probate in Sioux Falls

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

Marc Stuart Feinstein is one of 224,789 estate planning attorneys indexed nationally. Browse estate planning attorneys in South Dakota →

Business & Corporate Law in Sioux Falls

Business attorneys advise founders and growing companies on entity formation, contracts, financing, M&A, and dispute resolution.

Marc Stuart Feinstein is one of 497,491 business attorneys indexed nationally. Browse business attorneys in South Dakota →

Tax Law in Sioux Falls

Tax attorneys handle IRS audits, tax debt, international tax, estate planning, and tax court litigation.

Marc Stuart Feinstein is one of 84,606 tax attorneys indexed nationally. Browse tax attorneys in South Dakota →

Elder Law in Sioux Falls

Elder law attorneys for Medicaid planning, long-term care, guardianship, conservatorship, and elder abuse.

Marc Stuart Feinstein is one of 52,999 elder law attorneys indexed nationally. Browse elder law attorneys in South Dakota →

Jurisdictional Context

Why Local Counsel Matters in Sioux Falls

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

Sioux Falls Courts and Legal Process

Choosing a Sioux Falls-based attorney means your counsel already knows the local docketing timelines, preferred filing formats, and how individual judges typically rule on procedural motions — details that only come from practicing in this jurisdiction day after day. That local familiarity can translate to better strategy, faster filings, and fewer costly surprises.

Looking for additional South Dakota attorneys? Browse all attorneys in Sioux Falls or all attorneys in South Dakota.

Frequently Asked

Common Questions About Marc Stuart Feinstein

Where is Marc Stuart Feinstein's law office located?
Marc Stuart Feinstein's law practice is located in Sioux Falls, South Dakota. You can contact the office directly through this profile page.
What practice areas does Marc Stuart Feinstein handle?
Marc Stuart Feinstein focuses on estate planning, business, tax, elder law. Each practice area listed reflects experience handling cases of that type in South Dakota.
How long has Marc Stuart Feinstein practiced law?
Marc Stuart Feinstein has 31+ years of legal experience and has been licensed since 1995.
Where did Marc Stuart Feinstein go to law school?
Marc Stuart Feinstein earned their education at (LL.M. Taxation, 1998); (A.B., 1975).
How can I contact Marc Stuart Feinstein for a consultation?
You can contact Marc Stuart Feinstein 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.

Professional Profile

Why Clients in Sioux Falls Choose Marc Stuart Feinstein

Selecting an attorney is one of the most consequential decisions you can make when a legal matter arises. Below are the core qualities that distinguish Marc Stuart Feinstein's practice in the field of estate planning, business, tax, and elder law.

Decade-Tested Legal Experience

Marc Stuart Feinstein brings 31+ years of hands-on legal practice — enough to have navigated the recurring fact patterns, procedural traps, and negotiation dynamics that shape case outcomes.

Multi-State Bar Admission

Licensed in South Dakota and Minnesota, Marc Stuart Feinstein can represent clients in cases that span state lines or require counsel in multiple jurisdictions.

Broad Practice Area Coverage

Covering estate planning, business, and tax, Marc Stuart Feinstein can address the full spectrum of a client's legal needs without requiring referrals to separate specialists for each issue.

Local Presence in Sioux Falls

A Sioux Falls-based practice means Marc Stuart Feinstein attends hearings in the same courthouses, knows the local clerks, and understands the unwritten scheduling norms that affect every case filed here.

Case Types

Common Legal Issues Marc Stuart Feinstein Handles in Sioux Falls

Below is a representative sample of the types of matters Marc Stuart Feinstein has experience with under South Dakota law. If your situation involves one of these case categories, this attorney may be well positioned to help you understand your options.

Last wills and testaments
Estate Planning
Revocable living trusts
Estate Planning
Powers of attorney
Estate Planning
Probate proceedings
Estate Planning
Business formation and structure
Business
Contract drafting and review
Business
Partnership disputes
Business
Merger and acquisition support
Business
IRS audit representation
Tax
Tax lien and levy defense
Tax
Offer in compromise
Tax
Business tax planning
Tax

This list is illustrative, not exhaustive. Contact Marc Stuart Feinstein directly to discuss the specifics of your situation.

Search Reference

How People Find Marc Stuart Feinstein Online

Prospective clients searching for legal help in Sioux Falls commonly use a combination of the attorney's name and their specific legal need. The following search terms frequently lead people to this profile and to attorneys like Marc Stuart Feinstein.

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If any of the above matches what you searched for, you've found the right profile. Use the contact options at the top of this page to get in touch with Marc Stuart Feinstein directly.

Marc Stuart Feinstein's Practice Areas & Specializations

Education & Law School Background

LL.M. Taxation
University of Florida College of Law
- 1998
A.B.
Stanford University
- 1975

Bar Admissions & Licensed Jurisdictions

South Dakota
Admitted: 1995
Minnesota
Admitted: 1997

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