Builders risk insurance is a short-term policy written for the construction period, while a standard commercial property policy provides ongoing coverage for a completed building in normal operation. Builders risk generally ends when the project is finished, occupied, or the policy term expires, whichever comes first, and the property typically needs a commercial property policy in place before it’s put to its intended use. Because the exact transition point can vary by carrier, confirm the changeover date with your agent ahead of completion to avoid a gap between the two policies.

Coverage generally doesn’t extend automatically if a project runs past the policy expiration date, and any damage or theft after that point typically won’t be covered. Some insurers will allow an extension, but it must be requested before the original policy expires and usually requires proof of progress, an explanation for the delay, and sometimes an additional premium. Reviewing your project timeline with your agent well before expiration is the best way to avoid that gap.

Cost generally comes down to the project’s total value, the construction type and materials used, the job site’s location, and how long the build is expected to take. Weather-prone locations and higher-risk materials tend to push premiums up, and optional add-ons like soft costs or equipment breakdown coverage also add to the price. Material and labor costs can also shift from year to year, so a fresh quote is the most reliable way to know what a specific project will actually cost.

Generally, builders risk insurance covers both new construction and renovations, though renovation coverage works a bit differently. It needs to account for the value of the existing structure and the new work, since the building is at risk throughout the project. If you’re planning a renovation, mention that scope early when requesting a quote.