Green Bonds
Our green efforts support the Single-Family and Multifamily housing markets by financing homes and rental communities that meet energy- and water-saving standards.
Multifamily Green MBS
Offered through our Multifamily Delegated Underwriting and Servicing (DUS®) business, each DUS MBS is generally secured by a single Green mortgage loan collateralized by one property and features guaranty of timely payments, stable cash flows, and liquidity. Our Multifamily Green Bond Framework received a Light Green Second Opinion from S&P Global Shades of Green.
Since issuing our first Multifamily Green Bond in 2012, Fannie Mae has infused over $134 billion into the global green bonds market through over 5,200 individual bonds (through March 31, 2025). We also established many of the standards and processes adopted industrywide.
HIGHLIGHTS
- Guaranty of timely payment of principal and interest.
- Stable cash flows that are easy to model.
- Lower spread volatility relative to other products with similar collateral.
- Superior call and extension protection.
S&P Global Multifamily Green Bond Second Opinion
Multifamily Green Bond Framework
Green GeMS
Green Guaranteed Multifamily Structures (GeMS™) are backed by blocks of previously issued Green DUS MBS and offer collateral diversity, tight maturity profiles, and guaranty of timely payments of principal and interest.
HIGHLIGHTS
- Composed of numerous DUS MBS and maintain the characteristics of DUS MBS.
- More diversified than a single Green MBS, featuring geographic and borrower diversity.
- Customizable cash flows based on duration, average life, coupon, convexity profile, yield, and price.
- Backed by collateral selection with consistent credit quality and tight maturity profiles.
Single-Family Green MBS
Single-Family Green MBS include either purchase money or refinance mortgage loans backed primarily by newly constructed single-family residential homes receiving approved green building certifications within the last five years. Our Single-Family Green Bond Framework received a Light Green Second Opinion from S&P Global Shades of Green.
Since the launch on April 22 and through March 31, 2025, Fannie Mae has issued over $6.4 billion of Single-Family Green MBS.
HIGHLIGHTS
- Guaranty of timely payment of principal and interest.
- Bolstered by independent third-party verification that underlying properties received eligible certifications.
Green Bonds impact
Reflects Green Bond issuances from 2012-2023. All numbers are based on projected impacts.
Environmental Social
All numbers are based on projected impacts.
12.5B
projected kilo British Thermal Units (kBtu) of source energy saved
$231
projected average homeowner utility cost savings per single-family home per year 3
9.2B
projected gallons of water saved 1
117.6K
affordable multifamily units at ≤ 50% AMI financed (45.6% restricted and 54.4% unrestricted units)4
792K
projected metric tons carbon dioxide equivalent (MTCO₂e) of GHG emissions prevented
252.7K
affordable multifamily units at ≤ 60% AMI financed (54.5% restricted and 45.5% unrestricted units) 4
1.2M
housing units retrofitted or green building-certified
113.7K
number of pads in Manufactured Housing Communities financed 4
$161M
projected utility cost savings by multifamily tenants, or an average of $188 per family per year 2
1 Multifamily Green Bonds only.
2 Multifamily Green Bonds backed by Green Rewards mortgage loans only.
3 Single-Family Green Bonds only.
4 Fannie Mae Multifamily Social Bonds from 2021-2023. Number of units are at-issuance sum of restricted affordable and unrestricted affordable. Unrestricted affordable includes securities issued on or after May 1, 2022 backed by properties with a minimum of 80% of units affordable to households earning no more than 60% of Area Median Income (AMI) based on rent rolls submitted at acquisition. Please refer to the Fannie Mae Social Bond Framework for additional information.
Refer to Fannie Mae's Green Bond Impact Methodology for more information on our impact methodology.
This document is for general information purposes only. The information presented in this document is neither an offer to sell nor a solicitation of an offer to buy any Fannie Mae security mentioned herein or any other Fannie Mae security. The projected energy, emissions, and water usage savings are Fannie Mae’s estimates of the potential savings at the related mortgaged properties that may result from the implementation of the efficiency improvements required by the indicated green financing programs. There can be no assurance that any particular savings will be achieved at any given mortgaged property. Fannie Mae disclaims any liability for the failure of any mortgaged property to achieve any particular energy, emissions, or water usage savings. The estimates are solely as of the date hereof and Fannie shall have no obligation to provide updated estimated or actual savings information.
Case study — Pax Futura
Pax Futura is Seattle, Washington’s first certified Passive House apartment project — and a real-world demonstration that ultra-high-performance green building can be done at scale. The project is the first Fannie Mae green mortgage loan secured by a property with a green building certification in our Towards Zero Group.
This communication is for informational purposes only. It does not constitute an offer to sell securities. In particular, it does not constitute an offer to the general public in the European Union. Before considering an investment in any Fannie Mae security, prospective investors should obtain and ensure they have read and understood the offering documents and any related disclosure information related to such securities.