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South Carolina Vacancy Loss Calculator

Vacancy is one of the biggest drags on rental property returns. This calculator shows the true cost of empty units in South Carolina — pre-filled with South Carolina average rents ($1,611/mo) and vacancy rate (10.6%).

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Property Income(South Carolina defaults)

Vacancy Assumptions(South Carolina defaults)

Operating Expenses

South Carolina Market Context

Avg Cap Rate

6%

Median Price

$381K

Property Tax

0.44%

Vacancy Rate

10.6%

Local Factors

  • -Highest rental vacancy rate in the nation at 10.6% — screen tenants carefully
  • -Charleston and Greenville are growth markets with strong job creation
  • -Very low property taxes for owner-occupied but investor properties taxed at higher assessment ratio

Total Vacancy Cost

$9,697

$808/mo lost

Moderate
Gross Potential Income$77,328
Lost Rent (Vacancy)−$8,197
Turnover Costs−$1,500
Effective Gross Income$69,131
NOI (with vacancy)$25,631
NOI (0% vacancy)$35,328
Vacant Unit-Months/yr5.1
Vacancy Impact on NOI27.4%
Vacancy Cost$9,697
Net Income (after vacancy)$25,631
Vacancy Loss$8,197
Turnover Costs$1,500
Operating Expenses$42,000

What does this mean?

A vacancy rate of 7–12% is above average. This could indicate a soft rental market, above-market rents, or properties that need updates. Investigate whether rent adjustments or improvements could reduce turnover.

Understanding Vacancy Loss

Vacancy loss is the income you don't collect when units sit empty between tenants. It's the gap between what a property could earn at full occupancy (Gross Potential Rent) and what it actually collects.

Vacancy Loss = Gross Potential Rent x Vacancy Rate

What vacancy rate should you use? Most lenders underwrite 5-8% for stabilized multifamily. South Carolina averages around 10.6%. Your actual rate depends on local market conditions, property condition, and management quality.

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