Do You Really Know Your Cost of Capital?

Why Private Real Estate Investors Need the Build-Up Approach Beyond Loan Rates

Most real estate investors benchmark their decisions against the cost of debt—say, a 6.5% mortgage rate—or the expected return demanded by equity partners. But that narrow view can lead to overestimating profitability. The build-up approach provides a more complete picture of the hurdle rate your investments must clear, independent of your current financing mix.

What Is the Build-Up Approach?

The build-up approach starts with a risk-free rate and layers on premiums to reflect the realities of private business risk. Instead of relying only on debt or equity costs, it acknowledges that private investors face unique challenges—tenant turnover, liquidity constraints, market cycles, and concentration risk.

A realistic build-up for a small-scale real estate investor might look like this:

• Risk-Free Rate: 4% (10-year Treasury yield)

• Equity Risk Premium: 5% (broad market return above risk-free)

• Size Premium: 1% (small portfolio risk compared to REITs)

• Industry Premium: 1% (real estate cycle volatility)

• Company-Specific Premium: 1% (tenant concentration, management risk)

Total Cost of Equity ≈ 12%

Market Performance Context

Recent data shows:

• Residential housing (long-term): ~4.2% annual average (1928–2023) (A Wealth of Common Sense)

• Recent residential ROI: ~7.5% one-year ROI in 2024 (iPropertyManagement)

• Commercial real estate: ~9% annualized returns over 30 years, with industrial and apartments leading at ~9–9.5% in 2024 (iPropertyManagement)

Against this backdrop, a 12% hurdle rate is achievable but forces discipline. It means not every deal clears the bar—only those with strong cash flow, favorable cap rates, and sustainable tenant demand.

Benefits of Knowing Your True Cost of Capital

• Better Deal Screening: Avoid chasing properties that look profitable compared to debt but fail to meet risk-adjusted returns.

• Capital Allocation: Decide whether to reinvest in single-family rentals, expand into apartments, or diversify into other asset classes.

• Investor Confidence: Partners and lenders respect disciplined benchmarks, making it easier to raise capital.

• Long-Term Value Creation: Ensures every acquisition contributes to sustainable portfolio growth, not just short-term leverage.

Closing Thought

In real estate investing, the temptation is to chase any deal that looks profitable compared to today’s loan rate. But true wisdom in business comes from stripping away illusions and confronting reality as it is. The build-up approach forces you to measure opportunities against a clear, risk-adjusted hurdle—not just the cost of debt or the promise of quick returns. By holding yourself to that higher standard, you avoid being swayed by short-term noise and instead focus on projects that genuinely create lasting value.

As Marcus Aurelius once wrote: “The impediment to action advances action. What stands in the way becomes the way.” (Meditations, 5.20). In the same way, the risks and constraints of real estate investing are not obstacles to be ignored—they are the very signals that guide disciplined, value-creating decisions.

Contact us

At Lattice Group, we help real estate investors bring clarity to their financial strategy. Whether you’re building a portfolio of single-family homes, scaling into apartments, or managing fourplexes, we’ll benchmark your true cost of capital so you can make smarter, more resilient decisions.