Understanding the Capital Stack in Real Estate Development
Real estate development projects are rarely financed with a single source of capital. Most projects rely on multiple layers of financing that together form what is commonly known as the capital stack.
Each layer of capital contributes to funding a development while carrying its own level of risk, return expectations, and repayment priority. Understanding how the capital stack works helps developers, investors, and financial professionals evaluate opportunities and structure projects more effectively.
When structured properly, the capital stack allows a development to move forward while balancing risk and return across multiple participants.
What Is the Capital Stack?
The capital stack refers to the structure of financing used to fund a real estate development project.
Rather than relying on a single lender or investor, developers typically combine multiple sources of capital. These sources are layered together based on their priority of repayment and their level of risk exposure.
At the top of the capital stack are lenders who receive repayment first and carry the lowest level of risk. At the bottom are equity investors who take on greater risk but have the potential for higher returns.
A typical capital stack includes four primary layers:
Senior Debt
Mezzanine Financing
Preferred Equity
Common Equity
Each component serves a different role in financing the project.
Why Developers Use Layered Financing
Real estate development requires substantial capital. Land acquisition, zoning approvals, permits, construction costs, and project management can create financing requirements that exceed what a single lender is willing to provide.
Most lenders will finance only a portion of a project’s total value. Developers are therefore responsible for sourcing additional capital to complete the funding structure.
Layered financing allows developers to:
• access the capital needed to complete projects
• distribute financial risk among multiple lenders and investors
• align participants with different risk tolerances and return expectations
By combining multiple forms of financing, developers can structure projects that are financially viable while providing opportunities for different types of investors.
Senior Debt
Senior debt sits at the top of the capital stack and typically represents the largest portion of a development’s financing.
Senior debt is commonly provided by banks, credit unions, institutional lenders, and sometimes private lenders.
Senior lenders hold the first position on the property and are repaid before all other participants if a project encounters financial difficulty.
Because senior lenders assume the lowest level of risk within the capital stack, they generally offer lower interest rates compared to other financing layers.
Senior loans often fund between 60 percent and 75 percent of a project’s value, depending on the lender, the market environment, and the experience of the developer.
Mezzanine Financing
Mezzanine financing sits between senior debt and equity within the capital stack.
It is often used when the senior lender is unwilling to finance the full amount required for a project. Mezzanine financing fills the gap between what a traditional lender will provide and the total capital required to move forward.
Mezzanine financing typically carries higher interest rates than senior debt because it sits in a subordinate position within the capital structure.
Because mezzanine lenders assume greater risk, they expect higher returns than senior lenders. In some cases, mezzanine financing may include additional rights such as participation in project profits or the option to convert the loan into an ownership interest.
Preferred Equity
Preferred equity sits between mezzanine financing and common equity within the capital stack.
Unlike debt, preferred equity represents an ownership interest in the project. However, preferred equity investors receive priority over common equity investors when returns are distributed.
Preferred equity investors typically receive:
• a preferred rate of return
• priority distributions before common equity investors
• a structured return tied to project performance
Preferred equity allows investors to participate in development projects while maintaining a position that offers more protection than traditional equity investments.
For developers, preferred equity can also provide flexibility because it does not require regular loan payments during the early stages of the project.
Common Equity
Common equity sits at the bottom of the capital stack and represents the ownership capital invested in the development.
This capital is typically contributed by the developer and investment partners.
Common equity investors accept the highest level of risk within the capital structure because they are repaid only after all other financing layers have been satisfied.
However, because they assume the greatest risk, they also have the potential to receive the highest returns if the project is successful.
Common equity investors participate in the remaining profits after debt and preferred returns have been paid.
How the Capital Stack Is Structured
Every development project is different, but a simplified capital stack may resemble the following structure:
Senior Debt – 65%
Mezzanine Financing – 15%
Preferred Equity – 10%
Common Equity – 10%
In this structure, senior lenders provide the majority of the capital while maintaining the lowest risk position. Additional layers of financing fill the remaining capital requirements while allowing investors to participate at different levels of risk and return.
The exact structure of a capital stack will vary depending on the project, market conditions, and the developer’s experience.
Risk and Return in the Capital Stack
One of the defining characteristics of the capital stack is the relationship between risk and return.
As you move downward through the stack:
• risk increases
• potential returns increase
• repayment priority decreases
Senior lenders receive lower returns but benefit from the security of being repaid first. Equity investors take on more risk but may benefit from higher returns if the project performs well.
Understanding this balance is critical when structuring development projects and attracting the right mix of capital participants.
Final Thoughts
The capital stack is one of the most important financial structures in real estate development. By combining different sources of capital—from senior debt to equity investments—developers can finance projects while distributing risk among lenders and investors.
A well-structured capital stack helps ensure that projects are financially stable, attractive to investors, and positioned for long-term success.
Understanding how these layers interact is essential for anyone involved in real estate development or investment.
About the Author
Colin Campbell is the founder of Campbell Financial Consulting and a financial consultant with more than 20 years of experience advising individuals, entrepreneurs, and investors on financial strategy and capital structuring.
He is the author of Money Matters Unravelled and Mastering The Canadian Real Estate Market and regularly writes about financial planning, development financing, and capital structuring.
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