Terrorism Insurance Premium Calculator

TRIPRA coverage is cheap add-on. This calculator sizes cost.

Property value

Base property premium

Terrorism bps of value

Urban/high-profile factor

Terrorism premium

$13,500

Premium on policy %

11.25%

Effective rate on value

0.030%

How the math works

Terrorism premium = property value × rate × urban factor.

TRIPRA federal backstop makes terrorism coverage affordable compared to standalone market — without it, premiums in major metros would be 5-10x higher. Include terrorism coverage on all commercial property policies in Tier 1 metros; the incremental cost is usually 1-5% of base premium and a lender requirement.

How to Use

Enter property value.
Enter base property premium.
Enter terrorism rate (basis points of value).
Enter urban/high-profile factor.
Read terrorism premium.

Frequently Asked Questions

TRIPRA?

Terrorism Risk Insurance Program Reauthorization Act. Federal backstop for insurer losses above threshold. Without TRIPRA, terrorism coverage would be unaffordable in urban markets. Program authorized through 2027, historically renewed.

Typical premium?

Rural/low-profile: 0.5-2% of property premium. Urban secondary market: 2-5%. NYC/Chicago urban core: 5-12%. Landmark buildings: 15-30%+. Each reflects probability × loss profile.

Required?

Most commercial insurance policies offer terrorism coverage with option to decline. Lenders often require it (especially in major metros). Declining in urban markets can be expensive when triggered — recommend purchasing in all major metros.

What counsel should I involve?

Transactional attorney for contracts and guaranties. Environmental consultant for Phase I/II findings. Construction counsel for change-order disputes. Tenant-landlord counsel for habitability, evictions, and relocations. Small LLs try to DIY; institutional operators have a retained attorney on call. The cost of early advice is far less than the cost of a mistake made in its absence.