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Underwriting

How to Analyze a Real Estate Investment Deal

Use a repeatable process to verify the property, define the strategy, model costs and financing, test revenue and expenses, and review the result.

A closer look

Review the inputs before the return

Close-up of underwriting property details and cost assumption sections
  1. Confirm the property assumptions

    Check post-renovation beds, baths, and size against your actual plan.

  2. Build the cost basis

    Expand the cost sections and record supported repair, renovation, and appliance estimates.

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Begin with the real question

Real estate underwriting is the process of deciding whether a specific opportunity still makes sense after accounting for acquisition, renovation, financing, operations, risk, and the intended exit.

The goal is not to make the property look profitable. The goal is to expose the assumptions that must be true for the deal to work.

Start from the ReiSearch Dashboard

When analyzing an existing ReiSearch property:

  1. Open the Dashboard.
  2. Select Properties.
  3. Open the subject property.
  4. Verify the property information and images.
  5. Review the Comparables evidence.
  6. Open Underwriting for the supported strategy workflow.

Navigation path: Dashboard → Properties → Select a property → Underwriting

Use Verify Property Information and Images before relying on automatically gathered values.

ReiSearch Co-Living Underwriting workspace with cost, revenue, funding, and summary sections

The current live-verified example is the Co-Living workspace. Other strategy tabs should be evaluated with their own supported inputs and outputs.

Separate facts from assumptions

Create three mental buckets:

  • Verified facts: address, property characteristics, contract terms, title information, confirmed lender terms, inspection findings, and documented expenses
  • Market evidence: comparable sales or rents, vacancy expectations, operating benchmarks, days on market, and local demand
  • Assumptions: renovation budget, future rents, appreciation, refinance terms, hold period, and exit price

Do not allow an unverified assumption to silently become a fact. Record where important inputs came from and update them when better evidence becomes available.

Define the strategy before calculating returns

The same property can produce very different results under Fix & Flip, Co-Living, Short-Term, Mid-Term, or Long-Term strategies. Define the intended operating model before choosing the inputs.

Clarify:

  • Who will occupy or purchase the property
  • How the property produces revenue
  • Which physical changes are required
  • How long capital remains in the deal
  • What event returns or refinances the capital

Build the complete cost basis

Include more than the purchase price:

  • Acquisition and closing costs
  • Repairs and renovation
  • Appliances, furniture, and strategy-specific conversion costs
  • Financing fees, interest, and existing debt
  • Insurance, taxes, utilities, maintenance, management, and vacancy
  • Holding and selling costs
  • A contingency appropriate to the uncertainty in the scope

Missing a cost does not make it disappear; it only hides it from the result.

Model revenue conservatively

Use relevant comparable evidence rather than the highest advertised number. Consider rent or sale price, occupancy, concessions, collection loss, seasonality, and the time required to stabilize or sell the property.

Run at least three views:

  1. Expected case: the most defensible current assumptions
  2. Downside case: weaker revenue, higher costs, or a longer timeline
  3. Break-even case: the point at which the deal no longer meets the required return

Review the output as a decision

The useful output depends on the strategy, but can include total cash required, monthly or annual cash flow, profit, return on cost, cash-on-cash return, debt obligations, and the sensitivity to major inputs.

Ask:

  • Which three assumptions influence the result most?
  • What evidence supports them?
  • What happens if repairs rise, revenue falls, or the timeline extends?
  • Is the return adequate for the risk and effort?
  • What must be confirmed before making an offer or releasing contingencies?

Preserve the reasoning

Keep the property record, comps, underwriting assumptions, notes, and supporting documents together. This allows collaborators to review the same evidence and makes later changes understandable.

This article is educational and is not financial, legal, tax, or investment advice. Verify material information and consult qualified professionals for decisions that require them.

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