Domus DayState tax residency guides2026 Edition · Every rule sourced
Departure guide

Leaving South Carolina

Tax residency rules, audits, and the severance record (2026)

2026.1 Edition · Revised 2026-07-25 · DomusDay Research

Moving out of South Carolina is easy. Stopping South Carolina taxes is a different act, and it happens on paper: South Carolina keeps treating you as a resident until the record shows otherwise.

On the burden of showing otherwise: Expressed intent is weighed against conduct: the SCDOR's domicile guide states that any expressed intent 'must be evaluated in the light of his conduct which is either consistent or inconsistent with such expressed intent'.

There is no day-count to get under. South Carolina has no statutory day-count test. SC Code §12-6-30 defines a resident individual as 'an individual domiciled in this State' and a nonresident as anyone else who is not a part-year resident — residency turns entirely on domicile. The SCDOR describes a resident as someone whose intention is to maintain South Carolina as the permanent home, for whom South Carolina is the center of financial, social, and family life, and who intends to return to South Carolina when away. That makes the evidence trail — where the pattern of an actual life points — the entire case. Everything on this page exists to answer one question: if SCDOR asks, does your record hold?

Section ALegend

The facts at a glance

  1. 1.H.4216 (Act 110 of 2026, signed March 30, 2026) applies beginning with tax year 2026: 1.99% on taxable income under $30,000 and 5.21% above, with further top-rate reductions conditional on Board of Economic Advisors revenue projections. Under the prior phase-down the top rate was 6.2% for 2024 and 6% for 2025.
  2. 2.facts and circumstances decide — see presumptions
  3. 3.Domicile — 'the true test of domicile is the intent of the individual', evaluated against conduct
  4. 4.The SCDOR publishes no residency-specific audit program or statistics; its principal published residency guidance is the domicile guide, and domicile questions commonly surface through county assessors' 4% legal residence reviews.
  5. 5.South Carolina Individual Income Tax Return with Nonresident Schedule
Section BRead this first

What makes South Carolina different

Unique rule

The 4% ratio: half the assessment, and a sworn domicile marker

An owner-occupied legal residence is assessed at 4% of fair market value instead of 6%. The county assessor application certifies, under penalty of perjury, domicile at the property and no legal residence claim in any other jurisdiction — a dated filing that points wherever it is made.

Source
Recent changeEff. 2026-03-30

H.4216: 1.99%/5.21% from tax year 2026

Act 110 of 2026 replaced the phase-down (6.2% for 2024, 6% for 2025) with two rates beginning in 2026: 1.99% on taxable income under $30,000 and 5.21% above, plus further reductions conditional on revenue projections.

Source
Unique rule

Selling South Carolina property as a nonresident: buyer withholds

Under §12-8-580 the buyer withholds from a nonresident seller's proceeds — for individuals, the top marginal rate for the year of sale applied to the gain on the I-290 affidavit (amount realized without one). A prepayment credited on the return, not an added tax.

Source
Section CNo mechanical test

Day counting

South Carolina has no statutory day-count test. SC Code §12-6-30 defines a resident individual as 'an individual domiciled in this State' and a nonresident as anyone else who is not a part-year resident — residency turns entirely on domicile. The SCDOR describes a resident as someone whose intention is to maintain South Carolina as the permanent home, for whom South Carolina is the center of financial, social, and family life, and who intends to return to South Carolina when away. Days still matter — not as a threshold to duck under, but as evidence of where the year was actually lived, and as the trigger for the presumptions below.

Section DTest two — the burden is yours

Domicile

Selling the apartment is not the test, and neither is the new driver's license. South Carolina presumes an established domicile continues until it is shown to have changed — domicile — 'the true test of domicile is the intent of the individual', evaluated against conduct. On the burden: Expressed intent is weighed against conduct: the SCDOR's domicile guide states that any expressed intent 'must be evaluated in the light of his conduct which is either consistent or inconsistent with such expressed intent.' Examiners weigh 3 primary factors — property, employment and finances, licenses and registrations — and they weigh what you did, not what you intended. The pattern of an actual life somewhere else is the evidence; everything else is secondary.

Inset — the full factor framework
Primary factors
  • PropertyAddresses on legal documents, location of residences, ownership of real property, vehicles, and boats — and whether the 4% legal residence assessment ratio is claimed.
  • Employment and financesLocation of employment, state tax payments, addresses on tax returns and financial statements, and bank account locations.
  • Licenses and registrationsVoter registration, vehicle registration, driver's license address, and professional licenses.
Secondary factors
  • FamilyResidences of spouse and family members, prior domicile claims, and dependent status.
  • AffiliationsCivic ties, religious affiliation, social memberships, library cards, business relationships, and professional service providers.
Section EWhat follows you out

Sticky rules

A clean exit does not end every South Carolina claim. These rules keep taxing specific situations after the move — each one is a way the state stays in your return.

South Carolina-source income of nonresidents

AffectsLeavers who keep South Carolina work, business interests, or rental property.

Nonresidents remain taxable on income earned in South Carolina, reported on Schedule NR with prorated deductions — the SCDOR instructs nonresidents to report all personal service income earned in the state, and income from South Carolina real property stays South Carolina-source.
Source

Buyer withholding on nonresident real property sales

AffectsFormer residents selling a retained South Carolina home or land after the move.

When a nonresident sells South Carolina real property, SC Code §12-8-580 directs the buyer to withhold from the proceeds — for individuals, a percentage of the recognized gain equal to the top marginal individual rate for the year of sale (amount realized if no gain affidavit is provided; 5% for corporations), remitted by the fifteenth day of the following month on Form I-290. A prepayment mechanism rather than an extra tax: it is credited on the seller's return.
Source

The 4% legal residence certification cuts both ways

AffectsAnyone owning a South Carolina home on either side of a move.

The 4% owner-occupied assessment ratio application is signed under penalty of perjury and certifies that the applicant is domiciled at the property and that no household member claims legal residence in any other jurisdiction for any purpose. A departing owner who keeps claiming 4% on a South Carolina home is certifying South Carolina domicile; an arriving owner's dated application is a domicile marker pointing into the state.
Source
Section FIf they ask

The audit program

South Carolina Department of Revenue (SCDOR) runs a low-intensity residency program. The SCDOR publishes no residency-specific audit program or statistics; its principal published residency guidance is the domicile guide, and domicile questions commonly surface through county assessors' 4% legal residence reviews. An examination is not an argument about intentions — it is a request for documents, and the request looks like this:

Every item on that list either exists in your records from the year of the move, or it does not. That is the whole game — and why the severance record below is the section that matters most.

Inset — lookback windows and reported practice

How far back they can reach

Standard
36 months from the date the return was filed or due, whichever is later (SC Code §12-54-85).
Extended
72 months where the tax is understated by 20% or more of the amount required to be shown on the return.
Non-filers
No time limit where no return was filed or where there is fraudulent intent to evade the tax.
Source
Reported by practitioners
  • Reported practice: South Carolina domicile questions often arise through the county assessor's legal residence review rather than an income tax audit — assessor offices commonly ask for proof in one of four forms: voter registration, vehicle registration, a South Carolina driver's license, or a filed South Carolina income tax return.
Section GThe record

What states evaluate — and the records that demonstrate it

An audit years from now is answered with documents generated in the months around the move. This is that inventory — grouped the way examiners think about a life, each item paired with the evidence it leaves behind.

South Carolina's domicile-only test makes the change date a facts question — there is no day count to fall back on, so dated registrations, the 4% ratio status of any retained home, and return addresses carry the year. The SCDOR lets a part-year mover file either as a full-year resident or as a nonresident on Schedule NR, and the two computations can differ; a post-move sale of retained real property adds buyer withholding under §12-8-580 at the top marginal rate for the year of sale.

Government registrations(3)
  • The driver's license address is among the licenses-and-registrations factors in the SCDOR's domicile guide.

    Source
    Around the claimed move dateFiles: New-state license records
  • Voter registration is an enumerated factor in the SCDOR's domicile analysis — and one of the four proofs assessors commonly request.

    Source
    Files: Registration records in the new state
  • Vehicle registration location is an enumerated factor; South Carolina registrations are also proof items on the 4% legal residence application.

    Source
    Files: New-state registration records
Home & property(3)
  • The 4% legal residence ratio certifies domicile at the property under penalty of perjury — a retained South Carolina home no longer occupied as the legal residence reverts to the 6% ratio, and a continuing 4% claim contradicts a claimed change of domicile.

    Source
    The tax year of the moveFiles: Assessment ratio change with the county assessor
  • The location of residences and ownership of real property are enumerated factors in the SCDOR's domicile guide.

    Source
    Files: Sale or lease records for the South Carolina home
  • A South Carolina home sold after the domicile change is a nonresident sale: the buyer withholds under SC Code §12-8-580 — for individuals, the top marginal rate for the year of sale applied to the gain stated on the seller's affidavit (Form I-290), credited on the South Carolina return.

    Source
    At any post-move sale of retained propertyFiles: I-290 affidavit and withholding records
Financial(2)
  • Bank account locations are enumerated factors in the domicile guide, alongside addresses on financial statements.

    Source
    Files: Account records showing the transfer
  • Location of employment is an enumerated factor; personal service income earned in South Carolina remains reportable on Schedule NR after the move.

    Source
    Files: Employment records; Schedule NR filings
Professional & medical(1)
  • Professional licenses and professional service providers are enumerated factors — where they sit after the move contributes to the pattern.

    Source
    Files: License transfers; dated provider records
Social & civic(2)
  • Civic ties, religious affiliation, social memberships, and library cards are enumerated factors in the SCDOR's domicile guide.

    Source
    Files: Membership records showing the change
  • Residences of spouse and family members — and prior domicile claims — are enumerated factors weighed against the claimed change.

    Source
    Files: Records of the household's actual location
Personal property(1)
  • Ownership and location of vehicles and boats are enumerated property factors in the domicile guide.

    Source
    Files: Titles and registrations in the new state
Filing(2)
  • Addresses on tax returns and the state where taxes are paid are enumerated factors — filed returns date the claimed change.

    Source
    Files: Return copies with post-move addresses
  • The change year is filed on the SC1040 with Schedule NR; the SCDOR allows a mover to file the year either as a full-year resident or as a nonresident on Schedule NR, taxed only on income earned in South Carolina with prorated deductions.

    Source
    The tax year of the moveFiles: Filed SC1040 with Schedule NR
Section HPrimary sources

Official South Carolina sources

Section IPaperwork

Filing facts

The year of the move is filed on SC1040 + Schedule NR, with income split between the resident and nonresident periods — and that return is itself evidence: it states your change date on a signed document. Buyers withhold on nonresident sellers of South Carolina real property under SC Code §12-8-580 — for individuals, the top marginal rate for the year of sale applied to the recognized gain (Form I-290).

Inset — forms and rate tables
  • Part-year returnSC1040 + Schedule NRSouth Carolina Individual Income Tax Return with Nonresident Schedule — A mover's year may be filed as a full-year resident (all income, with a credit for taxes paid other states) or as a nonresident on Schedule NR, taxed only on South Carolina income with prorated deductions.
  • Nonresident returnSC1040 + Schedule NRSouth Carolina Individual Income Tax Return with Nonresident Schedule — One composite return: Schedule NR attaches to the SC1040 for nonresident and part-year filers.
Official rate tables
Section JQuestions

Frequently asked

Does South Carolina have a 183-day residency test?

No. SC Code §12-6-30 defines a resident as an individual domiciled in the state — there is no statutory day count. The SCDOR looks to intent evaluated against conduct: property, employment and finances, licenses and registrations, family, and affiliations.

What happens when a former resident sells South Carolina real estate?

The buyer withholds under SC Code §12-8-580: for individuals, the top marginal rate for the year of sale applied to the gain stated on the Form I-290 affidavit (the amount realized without one; 5% for corporations). The withholding is a prepayment credited on the seller's South Carolina return.

Which South Carolina return covers the year of a move?

The SC1040. The SCDOR allows a part-year mover to file either as a full-year resident or as a nonresident with Schedule NR attached — taxed only on income earned in South Carolina, with deductions prorated. The two methods can produce different results.

What is South Carolina's 4% legal residence assessment ratio?

Owner-occupied legal residences are assessed at 4% of fair market value versus 6% for other property — roughly halving the assessment. The application, filed with the county assessor, certifies under penalty of perjury that the owner is domiciled at the property and claims legal residence nowhere else, making it a dated domicile marker as well as a tax reduction.

What income tax rate applies in South Carolina now?

Beginning with tax year 2026, H.4216 (Act 110 of 2026) sets two rates: 1.99% on taxable income under $30,000 and 5.21% above, with further top-rate reductions conditional on revenue projections. The top rate was 6% for 2025 and 6.2% for 2024 under the prior phase-down. A 44% deduction applies to net capital gain.

Does South Carolina have an estate or inheritance tax?

No. The SCDOR's Moving to SC guide states that South Carolina does not have an estate tax or a gift tax.

2026.1 Edition · Revised 2026-07-25 · DomusDay Research