Value Add Calculator —
The Real One.
Underwrite a value add deal end-to-end — flip, BRRRR, or stabilize-and-hold. Real acquisition + rehab + financing + refi math. Built by an active investor, not a software founder guessing.
Defaults: 90% purchase + 100% rehab on hard money at 11% / 2pts, 75% LTV refi at 7%, 5% vacancy, 8% management, 5% maintenance reserve, 5% CapEx reserve. Sign up to override every assumption.
What You're Seeing Above is ~10% of the Product.
The free preview runs the same math as the full tool — it just exposes a fraction of the inputs and none of the operational features. Here's what the full Value Add Calculator ships with:
No card charged until day 8. Cancel any time.
The Actual Deal Page You Get After Signup.
Sidebar nav · AI Deal Grade · full input panel · live results · scope of work · comps · expense tracker · tasks · activity feed · branded PDF export.

What Value Add Actually Means
Value add is buying a property below its potential and doing the work to close the gap. The work might be physical (rehab), financial (raising rents, refinancing into a better loan), or operational (fixing vacancy, stabilizing a building that was being poorly managed). The point is you are the one creating the value — not the market.
Three forms of value add show up over and over:
- Fix-and-flip. Force appreciation through rehab, exit through retail sale. The value add is the rehab. The metric is net profit after all costs.
- BRRRR. Force appreciation through rehab, refinance into long-term debt at the new ARV, hold for cash flow. The value add is rehab plus the refi that recycles your capital. The metric is money left in the deal (you want zero) and cash-on-cash on whatever is left.
- Stabilize-and-hold. Take an underperforming building — high vacancy, low rents, deferred maintenance — and stabilize it. The value add is operational. The metric is the spread between old NOI and new NOI.
A real value add calculator handles all three because operators don't pick one and stay there. Most of my pipeline at any given time has a flip, a BRRRR, and a hold all moving in parallel.
Why Most Real Estate Calculators Don't Cut It
Most online real estate calculators have one of three problems:
- They were built by lenders. RehabFinancial, FirstEquityFunding, NewSilver — these are lender lead-gen pages with a calculator slapped on. They want your contact info. The calculator is a means to an end. The math is intentionally generic.
- They were built by content sites. BiggerPockets has a calculator. So does InvestFourMore. They are fine for a quick rough cut. They are not the tool you run a portfolio with — no save, no scope, no expense tracking, no draw requests.
- They cover one strategy.A BRRRR calculator. A rental calculator. A flip calculator. As an operator your deals don't come pre-sorted by strategy. You see a property and you have to figure out whether it's a flip, a BRRRR, or a hold. One tool that does all three with consistent math is non-negotiable.
This tool was built by an operator running 70+ units. Every feature is downstream of a deal where the existing software was either wrong or missing.
What's Inside Value Add Calculator
The calculator above is one piece. The full tool runs the whole deal.
Solo $49/mo · Pro $97/mo · Team $157/mo · No card charged for 7 days