What expenses should I include in my break-even calculation?

A complete break-even calculation should include: the monthly mortgage principal and interest payment, property taxes (divide annual tax bill by 12), homeowner's/landlord insurance (divide annual premium by 12), HOA fees if applicable, a maintenance reserve (typically 1% of property value per year divided by 12), property management fees (8–12% of collected rent if you use a manager), and a vacancy allowance. Many beginner investors forget maintenance reserves and vacancy — this leads to overly optimistic projections that turn negative in practice.

What is a typical vacancy rate to use?

A 5% vacancy rate (equivalent to about 18 vacant days per year, or roughly 0.6 months) is a common baseline assumption for stable single-family rental markets with low supply and strong tenant demand. Use 8–10% for markets with higher turnover, older properties, or seasonal demand. Class A apartments in tight urban markets may realistically average 2–3%. Class C properties in softer markets may run 10–15%. Using a conservative vacancy assumption protects you from being surprised during tenant transitions.

What does a property management fee include?

A full-service property management fee of 8–12% of monthly rent typically covers: tenant screening and placement, rent collection, maintenance coordination, move-in/move-out inspections, and handling day-to-day landlord responsibilities. Some managers charge additional fees for lease renewals ($100–$300), maintenance coordination (10% of repair invoices), and annual inspections. Ask for a complete fee schedule before signing a management agreement. Self-managing eliminates this cost but requires your time — model both scenarios in your break-even analysis.

How do I use the break-even rent to evaluate a property?

Compare your break-even rent to actual market rents for similar properties in the same neighborhood. Search Zillow, Apartments.com, or Rentometer for comparable rentals. If market rents are more than 20% above your break-even, the property has strong cash flow potential. If market rents are at or below your break-even, the property is likely a neutral or negative cash flow investment — only worthwhile if you believe in significant appreciation. Most experienced investors target market rent at least 10–15% above the full break-even to allow for a positive cash flow buffer.

Does the break-even rent include a return on my down payment?

No. The break-even rent calculated here covers only your out-of-pocket monthly costs — it does not include a return on the equity you put in as a down payment. A true "opportunity cost" break-even would add a required return on your down payment (e.g., 6% annually on $70,000 = $350/month) to the fixed costs. This higher hurdle rate is worth tracking separately using the Cash on Cash Return Calculator, which measures your actual annual return on invested equity.

What is the 1% rule and how does it relate to break-even rent?

The "1% rule" is a quick screening filter: a rental property is potentially cash-flow positive if the monthly rent is at least 1% of the purchase price (e.g., $3,500/month rent on a $350,000 property). This rule emerged when interest rates were lower and has become harder to hit in expensive markets with higher mortgage rates. The break-even rent calculator gives you a precise version of this check tailored to your actual numbers — including your specific loan terms, local taxes, and management costs — rather than the rough 1% approximation.

Break-Even Rent Calculator

The Break-Even Rent Calculator finds the minimum monthly rent you must charge to cover all property costs — mortgage payment, taxes, insurance, HOA, maintenance, vacancy, and property management fees. It is the essential first check before buying a rental property: if market rents in the area are below your break-even, the property will lose money every month. Use this alongside the Rental Cash Flow Calculator to model scenarios above and below break-even.

Property Value

Purchase price of the property

Down Payment

Percentage of purchase price

Interest Rate

Annual mortgage interest rate

Loan Term

yrs

Loan term in years

Monthly Property Tax

Annual tax bill ÷ 12

Monthly Insurance

Landlord/hazard insurance ÷ 12

Monthly HOA

HOA dues, if applicable

Maintenance Reserve

Typically 1% of value ÷ 12

Property Management

% of collected rent (0 if self-managing)

Vacancy Rate

% of time property sits vacant

Break-Even Rent (Full)

$2,875.11

Monthly Mortgage Payment

$1,862.85

Total Fixed Monthly Expenses

$2,512.85

Break-Even (Mortgage + Expenses Only)

$2,512.85

How to use this calculator

1
Enter the property value and down payment
The purchase price and your down payment percentage determine the loan amount and monthly mortgage payment. A larger down payment reduces the mortgage and lowers your break-even rent.
2
Set the interest rate and loan term
Enter the mortgage interest rate and term in years. These drive the monthly P&I payment using the standard amortization formula. Use the rate you have been quoted or the current market rate for investment properties.
3
Enter fixed monthly expenses
Add property tax, insurance, HOA fees, and a monthly maintenance reserve. A common maintenance reserve is 1% of property value per year (e.g., $350/month on a $350,000 property or $200/month as a conservative estimate).
4
Set property management and vacancy rates
Property management fees typically run 8–12% of collected rent. Vacancy rate represents the percentage of time the property sits unoccupied — 5% (about 18 days/year) is a common assumption for stable markets; 10% for higher-turnover properties.
5
Review break-even results
The calculator shows your full break-even rent (accounting for management fees and vacancy) and a simplified break-even covering only the mortgage and fixed expenses. Compare both to local market rents to evaluate whether the investment makes sense.

Formula

Loan Amount          = Property Value × (1 − Down Payment% / 100)
Monthly Rate (r)     = Annual Interest Rate / 100 / 12
Months (n)           = Loan Term Years × 12
Mortgage Payment     = Loan Amount × [r(1+r)^n] / [(1+r)^n − 1]
Fixed Monthly Costs  = Mortgage + Property Tax + Insurance + HOA + Maintenance

Full Break-Even Rent = Fixed Monthly Costs
                       / ((1 − Vacancy% / 100) × (1 − Management% / 100))

Simplified Break-Even = Fixed Monthly Costs
  (mortgage + expenses only, no vacancy/management adjustment)

The mortgage payment is calculated using the standard amortization formula for a fixed-rate loan. Fixed monthly costs are all expenses that do not vary with rent collected: mortgage, tax, insurance, HOA, and maintenance reserve. The full break-even divides fixed costs by the effective collection rate — i.e., what fraction of the listed rent you actually pocket after accounting for months the property is vacant and the management fee taken from collected rent. Example: fixed costs of $2,150/month, 5% vacancy, 8% management. Full break-even = $2,150 / (0.95 × 0.92) = $2,150 / 0.874 = $2,460/month. This means the property must rent for at least $2,460 to cover all costs with no cash flow surplus.

Worked Example

Property Value: $350,000 Down Payment: 20% ($70,000) Loan Amount: $280,000 Interest Rate: 7.00% Loan Term: 30 years Property Tax: $350/month Insurance: $100/month HOA: $0/month Maintenance Reserve: $200/month Management Fee: 8% of rent Vacancy Rate: 5% Monthly Rate: 7% / 12 = 0.5833% Months: 360 Mortgage Payment: $280,000 × 0.005833 × (1.005833)^360 / ((1.005833)^360 − 1) = $1,863/month Fixed Monthly Costs: $1,863 + $350 + $100 + $0 + $200 = $2,513 Full Break-Even Rent: $2,513 / (0.95 × 0.92) = $2,878/month Simplified Break-Even:$2,513/month (mortgage + expenses only) If local market rent is $2,400, this property loses ~$478/month at full break-even.

Frequently Asked Questions

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