How Do I Know if a Development Deal is Actually Worth It?

December 1, 2025 | Kristi Kandel

ASK:

How do I decide if a project pencils or if I should walk away?

ANSWER:

The hardest part of being a developer isn’t finding deals, they will come. It’s knowing which ones to pass on. Beginners often fall in love with a project before the numbers make sense. If the deal doesn’t pencil, no amount of hustle will save it.

Here’s how to test quickly if a project is worth your time:

1. Run a Basic Feasibility Check
   1. Add up acquisition cost + construction cost + soft costs.
   2. Compare that to the property’s projected sale price or stabilized value.
   3. If your return on cost is under 15–20%, it’s probably too thin.
2. Example:
   1. All-in cost: $900,000
   2. Projected value: $1.1M
   3. Return on cost = (1.1M – 900K) ÷ 900K = 22% → This deal works.
3. Stress-Test the Numbers
   1. What if construction costs run 10% higher?
   2. What if rents drop 10%?
   3. If the project only works under perfect conditions, it’s too risky.
4. Look at the Market, Not Just the Math
   1. Are new units being absorbed quickly?
   2. Is there unmet demand (low vacancy, few comparable properties)?
   3. Or is the market already oversupplied?
5. Factor in Time
   1. A deal that looks good on paper but takes 3+ years to entitle and build may not actually produce the return you need.

At the end of the day, a good deal is one that works in the real world, not just in Excel.

KEY TAKEAWAYS:

• Always run a quick feasibility check before falling in love with a deal.
• Look for at least 15–20% margin to cover risk.
• Stress-test the numbers on imperfect outcomes. 
• Time, absorption, and demand matter just as much as math.

PEOPLE ALSO ASK:

How do I know if the market can actually support my project?
Look at your local/regional data:

• Vacancy rates (low vacancy = strong demand).
• Comparable rents or sales in the area (are they trending up or down?).
• Pipeline of new supply (too many new units could saturate the market).
• Absorption rates (how fast similar units are renting or selling).
  If the market data supports your projections, the deal has legs. If not, even the best pro forma won’t save it.

How do I calculate return on cost?

• Add up all project costs (land, construction, soft costs, contingency).
• Estimate stabilized NOI (income – operating expenses).
• Divide NOI by total cost.
   Example: NOI = $120,000 / Cost = $1,500,000 → Return on Cost = 8%.

What’s a red flag in a development deal?

• Unrealistic rent or sales projections.
• Only one contractor bid, with no verification.
• No contingency budget.
• A deal that works only if every single thing goes perfectly.

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