Uninsured Motorist Coverage in South Carolina: A Comprehensive Guide

Driving in the Palmetto State—from the busy interchanges of Columbia to the scenic coastal stretches of Myrtle Beach—requires a specific safety net. As of 2026, South Carolina continues to experience a high rate of uninsured motorists (estimated at over 10%), making your own policy’s protections vital.

In South Carolina, Uninsured Motorist (UM) coverage is mandatory. Every auto insurance policy must include UM coverage to protect you against drivers with no insurance or hit-and-run “phantom” vehicles.

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What This Service Includes

South Carolina is one of the few states that mandates both bodily injury and property damage protection within the uninsured motorist bundle.

What is typically included

• Mandatory UM (25/50/25): Every policy must include at least $25,000 per person and $50,000 per accident for bodily injury, plus $25,000 for property damage.
• Uninsured Motorist Property Damage (UMPD): Unlike many states, SC requires UMPD. This covers repairs to your car if hit by an uninsured driver, typically carrying a state-mandated $200 deductible.
• Hit-and-Run Protection: UM coverage applies to “phantom” drivers. However, for bodily injury claims with no physical contact, SC law often requires a witness affidavit to prove the other vehicle caused the accident.
• Underinsured Motorist (UIM) Offer: While UIM is optional, insurers are legally required to offer it to you in writing. It protects you if the at-fault driver has insurance but their limits are too low to cover your medical bills.
• Non-Economic Damages: Your UM policy allows you to recover for pain and suffering, which is not covered by standard medical payment add-ons.

What is usually extra or not included

• Medical Payments (MedPay): An optional “no-fault” addition for immediate medical or funeral expenses regardless of who caused the crash.
• Collision Coverage: While UMPD is mandatory, many drivers still carry Collision insurance. If you have both, your insurer will typically use your Collision coverage first (which may have a higher deductible) and subrogate against the UM pool later.
• Rental Reimbursement: This is a separate endorsement and is not included in the standard UM/UIM package.

Average Cost Overview

South Carolina’s insurance rates are roughly 12% higher than the national average in 2026, driven by high litigation rates and frequent storm-related claims.

What Drives the Range

Location within the state creates a massive price gap. Drivers in Charleston and Columbia pay significantly more than those in Greenville or Myrtle Beach. In 2026, Auto-Owners, Liberty Mutual, and GEICO have emerged as the most cost-effective carriers for South Carolina residents.

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Key Cost Factors

• Stacking (The Household Multiplier): South Carolina is a pro-stacking state. If you are a “Class I” insured (the policyholder or a resident relative), you can stack UM/UIM limits from other vehicles you own. For example, if you have three cars with $25k limits, you may be able to access $75k in total protection.
• 2026 Legislative Protection (HB 4742): New legislation in 2026 prohibits insurers from increasing your premium solely because you made a UM or UIM claim, provided you were not at fault in the accident.
• Credit Score: SC allows credit-based insurance scores. Drivers with poor credit can pay $1,200+ more per year for the same coverage than those with excellent credit.
• The “Uninsured Motorist Fee”: South Carolina allows some drivers to pay a $600 annual fee to the DMV to drive uninsured legally. This fee does not provide insurance; it simply allows the car to be registered. This high-risk pool is why carrying your own UM is so critical.
• Comparative Negligence: SC follows a 51% bar rule. You can only recover from your UM policy if your fault is 50% or less.

Ways to Save Money Without Cutting Corners

• Check with Auto-Owners: Consistently ranked as one of the cheapest for “minimum” coverage in SC, they are a favorite for budget-conscious drivers who want to stay legal.
• Defensive Driving Credits: Completing an approved course can shave 5–10% off your liability and UM premiums for three years.
• The “Good Student” Discount: South Carolina has a large student population; students maintaining a “B” average can see significant savings.
• Bundle with Homeowners: Given the high cost of wind and hail insurance in coastal SC, bundling home and auto is the most effective way to lower your overall insurance spend.

Common Mistakes and Red Flags

• The “Witness” Requirement: If you are run off the road by a “phantom” car and there is no physical contact, you must have a witness who is not a passenger in your car provide an affidavit, or your UM claim will likely be denied.
• Thinking $25,000 is Enough: In 2026, a single overnight hospital stay can exceed $25,000. Many experts recommend at least 100/300 limits, especially given the state’s high rate of uninsured drivers.
• Ignoring UIM: Since many SC drivers carry only the $25k minimum, you are highly likely to be “underinsured” in a major accident. Always consider the optional UIM coverage.
• The $200 Deductible: Unlike collision claims which often have a $500 or $1,000 deductible, UMPD in South Carolina has a standard $200 deductible by law.

Frequently Asked Questions (FAQ)

Is Uninsured Motorist coverage mandatory in South Carolina?

Yes. Every policy must include UM for both bodily injury and property damage.

What are the minimum limits?

The “25/50/25” rule: $25k per person/$50k per accident for injury, and $25k for property damage.

Does South Carolina allow stacking?

Yes. “Class I” insureds (the owner and resident relatives) can stack UM/UIM limits across multiple vehicles.

Will my rates go up if I file a UM claim?

Under 2026 law (HB 4742), insurers cannot raise your rates solely for a not-at-fault UM/UIM claim.

What is the “Uninsured Motorist Fee”?

It is a $600 fee paid to the state to drive without insurance. It provides zero protection to the driver.

Does UM cover hit-and-runs?

Yes, but “no-contact” hit-and-runs require an independent witness affidavit.

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