Analyze any rental property investment: cash-on-cash return, cap rate, cash flow, NOI, and 10-year equity projection. Built for US real estate investors. Free 2026 calculator.
Rental Property Analysis: The Numbers That Matter
There are four metrics every real estate investor needs to calculate before buying: cash-on-cash return, cap rate, gross rent multiplier, and cash flow. Most amateur investors only look at one. Running all four takes 10 minutes and can save you from a money-losing property.
The 1% Rule (and Why It’s a Starting Point, Not a Decision)
The 1% rule says monthly rent should be at least 1% of purchase price. A $300,000 property should rent for $3,000/month minimum. In 2026’s market, the 1% rule is nearly impossible to hit in most primary markets (Atlanta, Austin, Denver) but achievable in secondary markets (Cleveland, Dayton, Memphis). Use it as an initial filter — properties that fail the 1% rule need strong appreciation expectations to pencil out.
Investment Property Financing in 2026
Investment property mortgage rates run 0.5%–1.0% higher than primary residence rates. At current rates, expect 7.0%–8.0% on a 30-year investment property loan with 20%–25% down. Fannie Mae allows up to 10 financed properties — strategy investors often max this before turning to portfolio lenders.
Depreciation: The Tax Advantage of Real Estate
Residential rental properties are depreciated over 27.5 years. A $350,000 property (minus land value of ~$70,000) = $280,000 depreciable basis ÷ 27.5 years = $10,182/year in depreciation deduction. At the 22% tax bracket, that’s $2,240/year in tax savings. This is why real estate investors often show paper losses while collecting positive cash flow — depreciation is a non-cash deduction.
Frequently Asked Questions
In 2026, with financing at 7%+ for investment properties, a cash-on-cash return of 6%–8% is solid, and 8%–12% is strong. Cash-on-cash = annual pre-tax cash flow ÷ total cash invested. On a $350,000 property with $70,000 down and $4,200/year in net cash flow, cash-on-cash is 6% — decent for a primary market. In secondary markets (Indianapolis, Columbus, Memphis), 8%–12% cash-on-cash is achievable. Below 5% in 2026's rate environment is difficult to justify purely on cash flow.
Cap rate = net operating income ÷ property value (ignoring financing). NOI = gross rent − vacancy − operating expenses (taxes, insurance, maintenance, management). A $350,000 property generating $30,000/year gross rent minus $10,000 in expenses = $20,000 NOI. Cap rate = $20,000 ÷ $350,000 = 5.7%. In 2026, 5%–7% cap rates are typical for Class B properties in secondary markets. Below 4% means you're banking heavily on appreciation. San Francisco and New York often see 3%–4% caps.
Property management typically costs 8%–12% of monthly rent. On a $2,000/month rental, that's $160–$240/month ($1,920–$2,880/year). Self-management saves the fee but costs time — plan on 5–10 hours/month per property for tenant communication, maintenance coordination, and accounting. The break-even: if your hourly value exceeds $25–$35, professional management likely pays. For out-of-state investors or those with multiple properties, management is almost always worth it. Factor this into your underwriting before buying.
The big four surprises: (1) vacancy — budget 5%–8% of annual rent for vacant months between tenants; (2) maintenance and CapEx — budget 1%–1.5% of property value annually ($3,500–$5,250/year on a $350k property) for repairs plus reserves for HVAC, roof, and appliances; (3) property management if applicable; (4) tenant turnover costs — cleaning, paint, minor repairs average $1,000–$3,000 per turnover. Running a rental with only mortgage, tax, and insurance in your pro forma is a recipe for negative cash flow.
Both have merits. Real estate advantages: leverage (20% down controls 100% of asset), tangibility, depreciation tax benefits, steady cash flow. Stock advantages: no management, instant liquidity, lower transaction costs, and historical returns comparable to real estate. The S&P 500 has returned ~10% annually. Real estate total returns (appreciation + rent) average 8%–12% in good markets with leverage. The real edge of real estate: leverage multiplies returns (and losses). A $70,000 down payment on a property that appreciates 5% returns 25% on the cash invested — leverage math. Use our [ROI Calculator](/calculators/roi-calculator/) to compare directly.
