BRRRR Real Estate Investment Calculator
Model purchase price, rehab budgets, cash-out refinance proceeds (75% ARV), capital recapture, and monthly net cash flow.
1. Buy & Rehab (Acquisition Phase)
2. Refinance (DSCR / Conventional)
3. Rent & Monthly Operations
Capital Recapture & Returns
$180,000
Buy + Rehab + Costs$183,750
75% of $245k ARV$750
99.6% Recaptured$469
Infinite% CoC ROIDeal Capital Structure Post-Refinance
ARV BreakdownStep-by-Step BRRRR Execution Lifecycle
Click "Run AI Underwriting Audit" to generate deal stress-testing, DSCR lender approval projections, and seasoning timeline recommendations. Your data is processed entirely on your device.
Zero Data Access: All real estate numbers and financials are calculated 100% locally in your browser. Processed on-device
The $35,000 Infinite BRRRR: How Refinancing a Midwest Duplex Pulled 100% of Initial Capital Back in 8 Months
A real-world underwriting breakdown of forced equity creation, DSCR cash-out refinancing, and achieving mathematically infinite cash-on-cash ROI.
The Velocity of Money
Traditional real estate investing requires putting 20% down on every property, trapping capital indefinitely and bottlenecking portfolio growth. The BRRRR strategy (Buy, Rehab, Rent, Refinance, Repeat) solves this by purchasing distressed properties at a steep discount, adding forced appreciation through strategic renovation, and taking out a 75% ARV cash-out refinance. This liquidates all initial seed money while retaining title ownership and monthly positive cash flow.
The Scenario: Marcus's Columbus Duplex
Marcus finds an off-market distressed duplex in Columbus, Ohio for $130,000. It requires $45,000 in kitchen/bath renovations and roof repairs. Holding and closing costs totaled $5,000, bringing all-in investment to $180,000:
Purchase: $130,000
Rehab + Holding: $50,000
Total Cash Outlay: $180,000
Appraised ARV: $245,000
75% Cash-Out Loan: $183,750
Less $4,500 refi closing costs
Cash Left in Deal: $750 (100% Out!)
Monthly Cash Flow: +$469 / mo
CoC Return: Mathematically Infinite!
Traditional 20% Down vs. Turnkey vs. BRRRR Strategy
| Strategy | Initial Cash Outlay | Capital Left in Deal | Cash-on-Cash ROI | Time to Next Deal |
|---|---|---|---|---|
| Traditional MLS Purchase (20% Down) | $50,000 | $50,000 (Trapped) | 8.5% - 10.0% | 2 - 3 Years of Savings |
| Turnkey Rental Provider | $55,000 | $55,000 (Trapped) | 6.0% - 7.5% | 3+ Years of Savings |
| The BRRRR Method (Forced Equity) | $180,000 | $750 (Recaptured!) | Infinite% (Zero Basis) | Instant (Deploy Recaptured $183k) |
The Key Risk Guardrail: DSCR Coverage
A successful BRRRR must never sacrifice monthly cash flow for equity extraction. Always ensure your post-refinance monthly rent covers principal, interest, taxes, insurance, and maintenance with a Debt Service Coverage Ratio (DSCR) of at least 1.25x to withstand market downturns and vacancy fluctuations.
Frequently Asked Questions (BRRRR Real Estate)
What is the BRRRR real estate investment strategy?
BRRRR stands for Buy, Rehab, Rent, Refinance, Repeat. It is a real estate wealth-building strategy where an investor purchases a distressed property under market value, renovates it to increase forced equity (After Repair Value), rents it out to generate cash flow, and executes a cash-out refinance to pull out their initial invested capital to repeat on the next property.
What is a 'Perfect BRRRR' (Infinite Return)?
A 'Perfect BRRRR' occurs when the new cash-out refinance loan (typically 75% of the After Repair Value) is equal to or greater than the total acquisition, rehab, and holding costs, resulting in $0.00 of the investor's own cash left in the deal. Because the investor has no remaining capital tied up while continuing to collect monthly cash flow, the Cash-on-Cash ROI is mathematically infinite.
What is the standard seasoning period for a BRRRR cash-out refinance?
Fannie Mae and conventional lenders typically require a 6-month seasoning period before allowing a cash-out refinance based on the new appraised After Repair Value (ARV). However, specialized DSCR (Debt Service Coverage Ratio) portfolio lenders can refinance in as little as 0 to 90 days with verified leases.
What this calculator does
The BRRRR Real Estate Calculator is designed for property investors looking to model the financial mechanics of buying distressed real estate, forcing appreciation through renovation, and refinancing to recapture their initial capital. It calculates your all-in costs, estimated refinance proceeds, remaining cash left in the deal, and projected post-refinance monthly cash flow.
You simply input your target purchase price, expected rehab budget, anticipated After Repair Value (ARV), and basic financing assumptions. The tool outputs a clear breakdown of your equity position and Debt Service Coverage Ratio (DSCR), allowing you to determine if a prospective deal meets your portfolio's investment criteria.
How the math works
The core math of the BRRRR strategy relies on standard mortgage underwriting formulas and forced equity calculations. First, the calculator determines your total capital basis by summing the purchase price, rehab costs, and holding fees. It then projects your cash-out refinance loan by multiplying the After Repair Value (ARV) by your selected Loan-to-Value (LTV) limit—typically 75%.
The cash left in the deal is your total capital basis minus the net refinance proceeds (new loan amount less closing costs). For the 2026 tax year, mortgage interest on investment properties remains deductible under IRC §163, reported on Schedule E (Form 1040), though cash-out proceeds themselves are generally not taxable events because they are debt, not income (see IRS Publication 527). The monthly debt service is calculated using a standard amortization formula, and cash-on-cash return is your annualized net cash flow divided by the cash left in the deal.
Worked example
Consider an investor acquiring an off-market property in the Midwest for $130,000. They invest $45,000 in renovations and incur $5,000 in holding costs, bringing the all-in capital basis to $180,000. Post-renovation, the home appraises for an After Repair Value (ARV) of $245,000.
The investor secures a 75% LTV cash-out refinance at a 6.75% interest rate over 30 years.
- Refinance Loan Amount: $245,000 × 0.75 = $183,750
- Net Proceeds: $183,750 - $4,500 (closing costs) = $179,250
- Cash Left in Deal: $180,000 - $179,250 = $750
The property rents for $2,300 monthly. After deducting the new $1,191 monthly mortgage payment, property taxes, insurance, maintenance reserves, and property management fees, the net cash flow is $469 per month, or $5,628 annually. Because the investor only has $750 of their own money left in the deal, the cash-on-cash return is exceptionally high, allowing them to rapidly deploy their recaptured $179,250 into the next project.
Frequently Asked Questions
What is a good Debt Service Coverage Ratio (DSCR)?
Most commercial and portfolio lenders require a minimum DSCR of 1.20x to 1.25x. This means your net operating income must be 20% to 25% higher than your total debt service obligations.
Do I pay taxes on a cash-out refinance?
No, loan proceeds from a cash-out refinance are not considered taxable income by the IRS because they are debt that must be repaid, not realized gains from a sale.
How long do I need to hold the property before refinancing?
Conventional lenders typically enforce a 6-month seasoning period before they will lend based on the newly appraised After Repair Value (ARV). Some non-QM or private lenders may offer shorter seasoning periods with different rate structures.
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Disclaimer: This tool is for educational and scenario-analysis purposes only and does not constitute tax, legal, or investment advice. You should consult a licensed CPA or financial advisor before making investment decisions. Figures reflect 2026 statutory rules and may change.
Built and verified by The Core-AI Engineering Desk — last reviewed August 31, 2026. Calibrated strictly to 2026 statutory figures.