What Is an ACORD 28?

If an ACORD 28 form just landed in your inbox and you're not sure what you're looking at, you're not alone. The form looks dense, the terminology is unfamiliar, and it's easy to wonder whether you're missing something important. You're not. The ACORD 28 is actually one of the more straightforward documents in the insurance compliance world once you know what it's telling you, and this article will walk you through exactly that.

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What Is an ACORD 28 and What Does It Prove?

The ACORD 28 is the standardized evidence of commercial property insurance form. When someone hands you one, they're confirming that a business has active commercial property coverage in place.

ACORD (Association for Cooperative Operations Research and Development) is a nonprofit that created a set of standardized insurance forms back in the 1970s. The goal was to bring consistency across the industry so that insurers, brokers, and businesses weren't all working from different templates. The ACORD 28 is one of those forms, widely recognized and accepted across industries.

One thing worth understanding right away: the certificate of property insurance is proof of coverage, not the policy itself. It doesn't create any new rights or modify the underlying insurance agreement. Think of it as a summary card, not the full contract.

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How Is an ACORD 28 Different From the COI You Usually See?

Most people have encountered the more common ACORD 25 Certificate of Liability Insurance at some point, even if they didn't know the name. Here's the key distinction: the ACORD 25 covers liability, and the ACORD 28 covers commercial property. They serve similar purposes. Both are proof of commercial property insurance or liability coverage, respectively, but they apply to very different kinds of risk.

A practical way to think about it: you'd request an ACORD 25 from a contractor to confirm they carry liability coverage for their work. You'd request an ACORD 28 from a tenant to confirm the commercial space they're leasing is properly insured.

What's the Difference Between an ACORD 27 and an ACORD 28?

The difference here is simple: the ACORD 27 applies to personal property insurance, while the ACORD 28 is specifically for commercial property. If you're working in a business context, an ACORD 28 is almost certainly the form you'll be dealing with.

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When Would Someone Ask You — or Your Third-Party Partner — for an ACORD 28?

The ACORD 28 form shows up in a handful of common situations, and recognizing them makes the request feel a lot less out of the blue.

Commercial leasing is probably the most frequent scenario. Landlords want to know that a tenant's leased space is covered before the keys change hands. A commercial property insurance certificate gives them that confirmation.

Construction projects often involve an ACORD 28 as well, particularly when a contractor is working on or around an existing property. The property owner wants documentation that their building is insured before work begins.

Financing and mortgage transactions are another common trigger. Lenders routinely require proof of commercial property insurance as a condition of the loan because the property serves as collateral.

Multi-party contracts may also include a property coverage requirement, especially when one party has a financial interest in a physical asset belonging to another.

Of course, having the right document in place is only the starting point. When a property claim leads to a lawsuit, insurers must determine whether they have a duty to defend the insured — and how that decision gets made depends heavily on the policy language documented in forms like the ACORD 28. Our guide to the four corners rule and the duty to defend explains how courts compare the policy against the complaint, and why what's written in the policy matters more than most people realize.

What Should You Actually Look for on an ACORD 28?

When a form comes through, here's what deserves a close look:

Insurer and producer information: Confirm the form is coming from a licensed insurer or broker. A self-completed ACORD 28 is not valid. The form has to originate from the insurance provider or their representative.

Policy effective and expiration dates: Is the coverage actually active? An expired certificate is a red flag that needs to be resolved before moving forward.

Property description and location: Does the address on the form match the property named in your contract or lease? Mismatches happen more than you'd expect.

Coverage limits and deductibles: Review whether the limits meet whatever threshold your agreement requires. If the contract specifies a minimum, check it against what's listed.

Additional interests: Look for any listed mortgagees or loss payees. In lending situations, the lender is often listed here, and that's entirely normal. It just means they have a documented financial interest in the property.

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How Can illumend Make ACORD 28 Tracking Less of a Headache?

Managing a single ACORD 28 is manageable. Managing them across dozens of third-party partners, all with different policy dates and coverage requirements, is where things get complicated fast. Expired certificates slip through. Coverage limits don't match contract language. Forms arrive without the right additional interests listed.

Illumend from myCOI draws on 16 years of insurance compliance expertise to track, verify, and manage insurance compliance across every third-party partner relationship. Lumie™, illumend's AI guide, reviews forms and surfaces gaps in terms that anyone on the team can act on. It's less like running a report and more like having someone walk alongside you through the process, so you can move quickly and confidently without having to decode ACORD form insurance language on your own.

Schedule a demo, and learn how illumend can help your team keep ACORD 28s, COIs, and every other compliance document verified across every third-party partner. 

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