Sumter, South Carolina · Practicing Since 1999

Sumter Attorney Fighting for Your Rights

Keffer Law Firm handles family law, DUI defense, criminal defense, and injury claims, with every case handled directly by Attorney John S. Keffer. You talk to the lawyer on your case from the first call to the final hearing.

Schedule a Free Consultation Call (803) 774-1004

John S. Keffer, Attorney at Law

Attorney John S. Keffer in the law library at Keffer Law Firm in Sumter, SC

Since 1999

Practicing law in South Carolina

USC Law

Juris Doctor, University of South Carolina

USAF Veteran

United States Air Force

Downtown Sumter

Office at 10 Law Range

Attorney John S. Keffer reviewing a case file at his desk in Sumter, SC

About the Attorney

Local counsel who knows the Sumter County courts

Attorney John S. Keffer founded Keffer Law Firm and has represented clients in Sumter and the surrounding counties since 1999. He served in the U.S. Air Force and earned his law degree from the University of South Carolina. Learn more about Attorney Keffer.

When you call this office, you work with the attorney who handles your case from the first meeting through the final hearing.

That local experience matters in Family Court, General Sessions, and magistrate court, where knowing the procedures and the people can shape how a case moves.

Meet Attorney Keffer →

Practice Areas

Focused representation in five areas of law

At Keffer Law Firm, each case is handled by Attorney Keffer personally, with a clear plan and direct communication from the first consultation. Request a free consultation.

Attorney John S. Keffer reviewing a case at his desk in Sumter, SC

Family Law

Divorce, child custody, child support, and alimony in Sumter County Family Court.

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DUI Defense

First and repeat DUI charges, implied consent hearings, and license issues.

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Criminal Defense

Misdemeanor and felony defense in magistrate court and General Sessions.

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Personal Injury

Injury and wrongful death claims against insurers and at-fault parties.

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Auto Accidents

Car, truck, and motorcycle collisions, including uninsured motorist claims.

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Why Keffer Law Firm

What working with this office looks like

Direct access

You speak with the attorney

Your consultation, case updates, and court appearances are handled by Attorney Keffer himself.

Local knowledge

Sumter-area courts

More than 25 years in Sumter-area courtrooms, from Family Court to General Sessions.

Clear plan

Straight answers, early

You leave the first meeting knowing your options, the likely timeline, and what happens next.

Client Reviews

What clients say

Leave a Google Review

      GOOD  
   Based on 34 reviews 
    
 
 
 
   
 
 
       Posted on Google  
   
   Leon McCoy 
 
 
 
 Trustindex verifies that the original source of the review is Google. Mr. Keffer and staff have allways been professional and satisfying in handeling my issues at hand. I highly recomend his services . Thank you Keffer Law Firm for being my representation when needed .
  
 
      Posted on Google  
   
   Mahogany Hemingway 
 
 
 
 Trustindex verifies that the original source of the review is Google. Awesome Attorney
  
 
      Posted on Google  
   
   Annie Knox 
 
 
 
 Trustindex verifies that the original source of the review is Google. My experience with keffer Law Firm was wonderful I can say that John Keffer and his staff took good care of my concerns and Amanda was very pleasant nice and concern about my situation and I can say that Lawyer Keffer has gone way and beyond to make sure that justice was done, he is a man of his word. I love the way he handle himself in court🙌🏾🙌🏾
And I’m very grateful for that.
I would use keffer Law Firm Again and Again if need.
Many blessings Keffer Law Firm🙌🏾🙏🏾
  
 
      Posted on Google  
   
   Brittany Shorter 
 
 
 
 Trustindex verifies that the original source of the review is Google. Keffer Law Firm made sure my experience was fast, easy and hassle-free. Mr. Keffer was on top of my case and gave me RESULTS. He was dedicated to helping me and he did. I absolutely loved how inviting, friendly and professional his staff was as well. All around I had a great experience, and I would recommend Keffer over any law firm.
  
 
      Posted on Google  
   
   Mikayla S 
 
 
 
 Trustindex verifies that the original source of the review is Google. Mr.Keffer is a great attorney who always put his clients first. He has a great friendly staff and Mr.Keffer always answer my calls when I need. I would def recommend him if you need an attorney for family , criminal , or civil. He does it all!
  
 
      Posted on Google  
   
   Lacey 
 
 
 
 Trustindex verifies that the original source of the review is Google. Mr. Keffer always makes sure that you’re understanding every step & decision made during any court proceedings. He’s a great attorney to have by your side.
  
 
      Posted on Google  
   
   Hart Parton 
 
 
 
 Trustindex verifies that the original source of the review is Google. Handled my case perfectly !

Law Range Journal

Plain answers to common legal questions

Guides from Keffer Law Firm on South Carolina family law, DUI, criminal defense, and injury claims. Read the Law Range Journal.

Read the Journal

Spouses reviewing an alimony agreement in South Carolina

November 9, 2026

How Alimony Works in South Carolina

Alimony in South Carolina depends on the length of the marriage, income, fault and more. Learn the types of alimony

Read the article →

Damaged cars after a car accident in Sumter, SC

November 9, 2026

What to Do After a Car Accident in Sumter, SC

Steps to take after a car accident in Sumter, SC: at the scene, with your doctor and with insurance companies,

Read the article →

Injured person tracking the statute of limitations deadline

November 9, 2026

How Long Do You Have to File a Personal Injury Claim in South Carolina?

The personal injury statute of limitations in South Carolina is generally three years, with shorter deadlines for some claims. Learn

Read the article →

Where We Practice

Serving Sumter, Florence, and Manning

Keffer Law Firm represents clients across Sumter, Florence, and Clarendon counties from the office at 10 Law Range in downtown Sumter. Every client gets the same services and direct access to the attorney.

Free Consultation

Talk with Attorney Keffer about your case

The sooner you get advice, the more options you usually have. Call the office or request a consultation online, and we will respond within one business day.

Call the office

(803) 774-1004

Request a Consultation

Contacting the firm does not create an attorney-client relationship.