2026 South Carolina Landlord Tax Guide

A practical South Carolina landlord tax guide covering federal Schedule E workflow, state lane selection, and strict-citation depreciation and accommodations tax controls.

Disclaimer: This guide is for informational purposes only. Consult a tax professional for advice specific to your situation.

2026 South Carolina Landlord Tax Guide

Overview

South Carolina landlord tax prep is cleanest when you run it in two layers: federal Schedule E first, then South Carolina filing-year rules and adjustments. (IRS Pub 527, Schedule E instructions, SC1040 instructions)

The high-value South Carolina lanes are return-lane selection (SC1040 vs Schedule NR), bonus depreciation addback review, estimated-tax checks, and STR accommodations/marketplace workflow. (Schedule NR instructions, Bonus depreciation addback, Estimated tax, Accommodations tax, Marketplace facilitator)

Table of Contents

  1. Income reporting: federal base, then South Carolina lane
  2. Deductible expenses
  3. Depreciation and bonus depreciation addback
  4. Key deadlines and estimated tax
  5. STR accommodations + marketplace lane
  6. Property tax framework (brief)
  7. Worked example
  8. Common mistakes
  9. South Carolina-specific rules summary
  10. Resources

1) Income reporting: federal base, then South Carolina lane

Federal base: report rental activity through Schedule E and follow Publication 527 category guidance. (Schedule E instructions, IRS Pub 527)

South Carolina resident lane: apply filing-year SC1040 instructions after federal numbers are final. (SC1040 instructions)

South Carolina nonresident/part-year lane: use Schedule NR and its instructions; do not improvise allocation from old files. (Schedule NR, Schedule NR instructions)

The full guide covers: strict-citation bonus depreciation addback handling, estimated-tax controls, STR accommodations and marketplace facilitator workflow, property-tax framework notes, a worked scenario, and South Carolina-specific filing mistakes to avoid.
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