Skip to content



America is investing
in the future

Build America Mutual guarantees the municipal bond investments that help build essential American infrastructure like roads, schools, and water systems.

BAM-insured bonds are rated AA with a Stable outlook from S&P Global Ratings. They help cities, counties, school districts, and our other member-issuers achieve more efficient access to the capital markets, while investors benefit from BAM’s unconditional promise of timely payment of interest and principal. 

BAM’s Market Results

Deals Priced Last Week (updated 5/13/2024)

$507 million
# of Transactions:

Secondary Trades

$1.53 billion
# of Trades

"Infrastructure Happens at the State and Local Level"

States and local governments pay for 70% of the infrastructure built in the US every year, and most of that funding comes from the sale of municipal bonds. Build America Mutual CEO Seán McCarthy spoke with Bloomberg Radio’s Carol Massar on November 4, 2020, about the implications of the election…

BAM Municipal Bond Insurance and the COVID-19 Pandemic

Frequently Asked Questions — COVID-19 cases are leading to a wave of questions about the fundamental credit quality of U.S. municipal bond issuers.

BAM healthcare analysts Martin Arrick, Gia Calabrese, & Rebecca Sullivan wrote a recent column for @TheBondBuyer that assesses credit challenges in the Healthcare sector and offers investors a glimpse into the evolving financial landscape for US hospitals.

Last year, the Pajaro Valley Water Management Agency sold $36 million in BAM-insured #muniland bonds, protecting the groundwater resources in the agriculture-rich Pajaro Valley Watershed.
Watch BAM’s Mark Capell cover this BAM GreenStar deal:

BAM is pleased to sponsor the NFMA Annual Conference, where BAM Head of Healthcare Martin Arrick will join a great lineup for tomorrow’s Healthcare panels! Past NFMA Chair Mark Capell & At-Large Board Member Alex Vaisman joined BAM’s AJ Kelly for a photo between sessions.

May is Asian American and Native Hawaiian/Pacific Islander Heritage Month and Build America Mutual and our associates are taking the opportunity to celebrate the achievements of our Asian American, Native Hawaiian, and Pacific Islander colleagues, counterparties, and members.

Register for the upcoming BAMxNLC webinar on May 14th: Outlook for Cities’ Resilient Infrastructure Investments. For more information, see BAM’s latest newsletter:

In 2020, the City of Spanish Fork, UT issued $73 million Sewer Revenue #muniland bonds, backed by BAM’s guarantee and assigned BAM GreenStar status. View this issuer’s #BAMCreditProfile on our website here:

Load More
White Paper

Insured Municipal Bonds and the Individual Investor

Why guaranteed bonds may be the right balance of income and risk for your portfolio
Download More White Papers

S&P Global Ratings Affirms BAM's AA Rating and Stable Outlook — July 2023

July 13, 2023
S&P Global Ratings has published its full annual report on Build America Mutual and affirmed BAM’s AA rating and Stable outlook, the highest rating S&P assigns to any active bond insurer. The report recognized BAM’s “excellent capital adequacy with a buffer above its current rating” and the fact that BAM…


Asset TV: Investing in Municipal Utility Districts

December 06, 2021
Understanding key credit factors that influence MUD investments

The #1 Muni-only
insurer is the
innovation leader

BAM’s unique mutual structure and 100% dedication to the municipal bond market means issuers and investors get more:


Only BAM provides Credit Profiles for every transaction and updates them annually


Only BAM GreenStar uses municipal-specific criteria to identify green bonds to help issuers attract ESG investors


Only BAM offers issuers a credit to save on the costs of issuance when refunding BAM-insured bonds