Monte Carlo Real Estate

Stress-test rental deals before you buy.

Simulate thousands of possible outcomes for rent, vacancy, and exit cap rates to understand downside risk and upside potential.

Built for real estate investors. Used to analyze rental properties, BRRRR deals, and small multifamily investments.

Typical Monte Carlo Output

Simulation Count

10,000

IRR Range (P10 - P90)

6% - 20%

Cash-on-Cash Range

5% - 13%

Equity Multiple (P50)

1.7x

Risk drivers chart, IRR histogram, and CDF preview

Why spreadsheet forecasts miss investment risk

Single-point spreadsheet forecasts hide uncertainty, masking the swings that matter most before you buy.

Know what actually drives your returns with the Tornado Chart risk drivers.

Single-point forecasts

Hide uncertainty.

Monte Carlo simulation

Shows the full range of outcomes.

Risk drivers

Identify what actually moves returns.

Example deal analysis

An example underwriting summary pulled directly from a simulated deal profile.

Dallas Duplex

Example

Example: Dallas Duplex Investment

Running 10,000 simulations reveals the probability of hitting a 12% target return.

Probability IRR > 15%

61%

Probability of Loss

9%

Median IRR

14.8%

P10 IRR

6.5%

This analysis was generated by simulating thousands of possible rent, vacancy, and exit scenarios.

Add your own assumptions to see how the distribution shifts for neighborhoods, financing structures, and holding periods.

Visualize investment risk instantly

Preview the charts and comparisons investors use to understand distributions, downside, and trade-offs at a glance.

IRR Distribution

IRR Distribution

Risk Drivers (Tornado Chart)

Risk Drivers (Tornado Chart)

Scenario Comparison

Scenario Comparison

Analyze a deal in 30 seconds

A repeatable workflow for turning uncertain inputs into confident underwriting decisions.

Step 1

Enter deal assumptions

Input rent, vacancy, operating costs, financing terms, and exit assumptions.

Step 2

Run Monte Carlo simulation

Thousands of possible outcomes are simulated using probabilistic inputs.

Step 3

Understand risk instantly

See the IRR distribution, probability of loss, and the key drivers of risk.

Analyze your next deal with probability, not guesswork.

Bring confidence to your underwriting by measuring the full distribution of outcomes before you invest.

Open the Simulator