Structural Errors and Omissions Insurance

What is Structural Errors and Omissions?

Structural Errors and Omissions (E&O) insurance is a specialized form of professional liability coverage designed for construction professionals, builders, and contractors. It protects against claims of negligence, design flaws, or construction defects related to the structural integrity of a building or project. This coverage is especially important for those involved in design-build services or structural engineering.

Who Needs It

Structural E&O insurance is essential for any professional whose work directly impacts the stability and safety of a structure. This includes:

  • General contractors
  • Structural engineers
  • Design-build firms
  • Architects with structural oversight

If your work involves design elements or you provide recommendations that affect how a structure is built or modified, this coverage can help protect your business from costly legal claims.

What It Typically Covers

Structural Errors and Omissions insurance generally covers:

  • Claims of professional negligence
  • Design flaws affecting structural integrity
  • Omissions in structural plans or documentation
  • Legal defense costs related to covered claims

This coverage is often written on a claims-made basis, meaning it applies only to claims filed during the policy period.

Common Exclusions and Limitations

Like all insurance policies, Structural E&O has exclusions. Common exclusions include:

  • Intentional wrongdoing or fraud
  • Bodily injury or property damage (covered under General Liability)
  • Work performed before the policy’s retroactive date
  • Contractual liability not related to professional services

Always review your policy details to understand specific limitations and coverage scope.

Factors That Influence Cost

Several factors can impact the cost of Structural Errors and Omissions insurance:

  • Type and size of projects handled
  • Annual revenue and number of employees
  • Claims history
  • Experience and credentials
  • Coverage limits and deductibles selected

Insurance providers assess risk based on your professional profile and services offered.

Proof of Insurance & Compliance

Clients and project owners often require proof of Structural E&O coverage before work begins. A certificate of insurance can serve as documentation. While requirements vary by state and project, maintaining this coverage can help demonstrate your professionalism and reduce liability exposure.

How to Get a Quote

Getting coverage starts with understanding your risks and providing accurate business information. To explore options tailored to your needs, get a quote today.

Frequently Asked Questions

Is Structural E&O insurance the same as General Liability?

No. General Liability covers bodily injury and property damage, while Structural E&O covers professional mistakes and design-related issues.

Does this insurance cover subcontractor errors?

It depends on your policy. Some may include coverage for subcontracted work if disclosed and approved by the insurer.

What is a retroactive date?

A retroactive date defines how far back a policy will cover claims from past work. Claims from work done before this date may not be covered.

Can I get coverage for past projects?

Some insurers offer prior acts coverage, but you must disclose past work during the application to be eligible.

Is Structural E&O required by law?

Not always, but many contracts or clients may require it before awarding a project.

Still have questions? Talk to a local insurance expert.

Partners, Programs & Market Access


We maintain relationships with nationally recognized and specialty-focused insurance providers that actively underwrite this class of business. Our network includes both admitted and non-admitted markets, allowing us to match risks—from straightforward accounts to more complex or hard-to-place exposures—with appropriate underwriting partners.


Program availability, coverage terms, and underwriting appetite can vary based on operations, location, and loss history, so access to multiple markets is key to securing the right fit. This approach helps ensure broader coverage options and more competitive placement across a range of risk profiles.



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