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Idaho Vacancy Loss Calculator

Vacancy is one of the biggest drags on rental property returns. This calculator shows the true cost of empty units in Idaho — pre-filled with Idaho average rents ($1,652/mo) and vacancy rate (5.1%).

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Property Income(Idaho defaults)

Vacancy Assumptions(Idaho defaults)

Operating Expenses

Idaho Market Context

Avg Cap Rate

5%

Median Price

$485K

Property Tax

0.43%

Vacancy Rate

5.1%

Local Factors

  • -Boise metro saw massive pandemic-era price appreciation; growth has moderated
  • -Strong in-migration from California continues to support demand
  • -Low property taxes but rapidly rising assessed values

Total Vacancy Cost

$5,544

$462/mo lost

Healthy
Gross Potential Income$79,296
Lost Rent (Vacancy)−$4,044
Turnover Costs−$1,500
Effective Gross Income$75,252
NOI (with vacancy)$31,752
NOI (0% vacancy)$37,296
Vacant Unit-Months/yr2.4
Vacancy Impact on NOI14.9%
Vacancy Cost$5,544
Net Income (after vacancy)$31,752
Vacancy Loss$4,044
Turnover Costs$1,500
Operating Expenses$42,000

What does this mean?

A 3–7% vacancy rate is the sweet spot for most rental markets. You're maintaining strong occupancy while likely pricing rents at market rate. Most lenders underwrite in this range.

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. Idaho averages around 5.1%. Your actual rate depends on local market conditions, property condition, and management quality.

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