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Iowa Vacancy Loss Calculator

Vacancy is one of the biggest drags on rental property returns. This calculator shows the true cost of empty units in Iowa — pre-filled with Iowa average rents ($1,226/mo) and vacancy rate (8%).

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Property Income(Iowa defaults)

Vacancy Assumptions(Iowa defaults)

Operating Expenses

Iowa Market Context

Avg Cap Rate

7%

Median Price

$228K

Property Tax

1.25%

Vacancy Rate

8%

Local Factors

  • -High property taxes offset by very affordable home prices
  • -Severe weather (hail, tornadoes) drives above-average insurance costs
  • -University towns (Iowa City, Ames) provide reliable student rental demand

Total Vacancy Cost

$6,208

$517/mo lost

Moderate
Gross Potential Income$58,848
Lost Rent (Vacancy)−$4,708
Turnover Costs−$1,500
Effective Gross Income$54,140
NOI (with vacancy)$10,640
NOI (0% vacancy)$16,848
Vacant Unit-Months/yr3.8
Vacancy Impact on NOI36.8%
Vacancy Cost$6,208
Net Income (after vacancy)$10,640
Vacancy Loss$4,708
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. Iowa averages around 8%. Your actual rate depends on local market conditions, property condition, and management quality.

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