Contract Bonds


Liberty Mutual Surety combines deep construction knowledge, responsive underwriting, and specialized claims, legal, and consulting support to help contractors manage risk and deliver projects successfully. From bid and performance bonds to payment, maintenance, and supply bonds, our experienced teams provide tailored solutions that help contractors meet project requirements, protect relationships, and keep work moving from bid to completion.
Residential home under construction
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Aerial view of large construction site
Engineer looking at construction plans
High rise building under construction
Large contract bonds
For contractors with annual revenue greater than $20 million (up to certain limit).
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Construction workers at a construction site
Small-to-mid-sized and transactional contract bonds
For contractors with revenue up to $25 million.
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Three construction workers talking
Hard-to-place bonds
For contractors needing support risk such as collateral or funds control.
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Overview of subdivision under construction
Subdivision bonds
For real estate developers.
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Subcontractor default insurance
For general contractors looking for protection from subcontractor default.
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Contract bonds for contractors of all sizes


From emerging contractors to large, complex builders, Liberty Mutual Surety provides construction-focused bonding solutions tailored to each client’s needs. Our teams understand the demands of public, private, and specialty projects and collaborate with contractors, brokers, and project stakeholders to support sound decisions, manage obligations, and maintain progress throughout the project lifecycle.