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Self-Storage Pro Forma Calculator

Model a self-storage development from the ground up. Configure your unit mix, rental rates, and costs to see NOI, yield on cost, and market valuation at stabilization.

sq ft

Gross building area

%

% of units with climate control

%
mo
$
$/sqft
%

As % of effective gross income

Unit Mix & Monthly Rates

5x5

164 units

5x10

205 units

10x10

143 units

10x15

41 units

10x20

30 units

Total Units

583

Across 5 sizes

Gross Potential Income

$809,154

At 100% occupancy

Effective Gross Income

$712,056

At 88% occupancy

Net Operating Income

$441,474

OpEx ratio: 38%

Total Development Cost

$3,250,000

Land: $500,000 + Build: $2,750,000

Yield on Cost

13.6%

NOI / total development cost

Market Value (6% Cap)

$7,357,907

Value created: $4,107,907

Break-Even Occupancy

20.1%

Occupancy to cover fixed costs

Get Your Pro Forma Report

  • Unit mix revenue model (PDF)
  • NOI projection
  • Property valuation estimate

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Self-Storage Development Economics

Self-storage has consistently outperformed other commercial real estate sectors over the past two decades. Average cap rates range from 5% to 8% depending on market, with stabilized occupancy typically between 85% and 93%.

Industry Benchmarks

MetricTypical Range
Construction cost$35 – $80 per sq ft
Climate-controlled premium25 – 40% over standard
Operating expense ratio30 – 45%
Stabilization period18 – 36 months
Break-even occupancy55 – 70%

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