The Real Cost of Vacancy Beyond Lost Rent

Vacancy costs more than the lost rent. Most operators only measure the lost rent. The actual cost is significantly higher.

Understanding the real cost changes how you think about retention, turnover, and operating decisions.

Lost Rent

The most visible cost. If a unit rents at 1100 dollars a month and sits vacant for 45 days, that is roughly 1650 dollars in lost rent. Straightforward.

Turnover Costs

Cleaning. Painting. Carpet replacement or cleaning. Minor repairs. Appliance servicing. Typically 800 to 2500 dollars per unit depending on condition and tenant treatment.

These costs hit every time a unit turns. Not just during vacancy periods caused by problems but every time anyone moves out for any reason.

Leasing Costs

Marketing expense. Advertising spend on Zillow, Apartments.com, Facebook. Leasing commissions if you use third party. Application screening fees the property covers.

Typically 200 to 600 dollars per lease signed. More in soft markets where you need more aggressive marketing.

Concession Costs

Move-in specials. First month free. Reduced security deposit. Waived application fees. These reduce effective rent for the first year of the lease.

On a 1100 dollar unit with a one month free promotion, the effective monthly rent is actually 1008 dollars. That gap persists for the full lease term.

Carrying Costs

The unit still has costs while vacant. Utilities to keep it heated. HOA fees if applicable. Insurance prorated. Property taxes prorated.

Small per unit. Adds up across multiple vacancies.

Opportunity Cost

While a unit is vacant, you are missing not just the rent but the rent that compounds. A unit that turns over often is a unit that does not benefit from steady rent growth on the same tenant.

Tenant turnover resets the rent to whatever you can lease at in the current moment. If the market is soft when a turnover happens, you might lock in a lower rent for 12 months.

The Full Calculation

Adding it all up. A typical multifamily turnover costs 3000 to 5000 dollars in direct costs. Then add the lost rent during vacancy, the concession cost, and the opportunity cost.

A turnover with a 45 day vacancy and a one month free concession on a 1100 dollar unit. Direct costs 3500. Lost rent 1650. Concession cost 1100. Total 6250 dollars.

Now apply that to a 30 unit building with 50 percent annual turnover. 93 thousand dollars a year just in turnover related costs.

Why This Matters to Investors

Reducing turnover by 10 percentage points on this building saves 18 to 20 thousand dollars annually. At a 6.5 cap, that is 280 thousand dollars of value.

This is why retention is an asset strategy. The math is significant. Most operators just do not measure it this honestly.