Criminal background checks feel like due diligence. But for short-term rentals, what they don’t cover is more important than what they do. Here are five critical things a traditional criminal background check will never tell you about your next guest.

1. Whether they are who they claim to be. Criminal background checks search court records associated with a name. They do not verify that the person booking is actually that person. If someone books under a stolen identity, the check returns clean results for the victim. The real guest is never screened. Identity verification, including government ID checks, selfie matching, and liveness detection, is an entirely separate process that criminal checks don’t include.

2. Whether they’re on a global watchlist. OFAC sanctions lists, FBI watchlists, Interpol red notices, UN and EU sanctions, these are not included in a standard criminal background check. Someone can be an active subject on an international watchlist and pass a US criminal background check with no flags. Watchlist screening is a separate product, and for the most serious safety risks operators worry about, it’s the one that actually matters.

3. Whether they’re a registered sex offender. This surprises most operators. Sex offender registries are a separate database from criminal court records. Most criminal background check systems don’t automatically include them. When operators say “I need to screen for sex offenders,” the tool they need is a sex offender registry check, which is typically included in watchlist screening solutions, not a criminal history report.

4. Whether they’ve caused problems at other short-term rentals. A guest who trashed a property in Miami last month, filed a fraudulent chargeback in Austin, or threw unauthorized parties across multiple bookings won’t show up in a criminal background check. That behavioral history lives in guest history databases, proprietary to the STR industry, and it’s the single most predictive data source for rental-specific risk. Criminal checks have nothing equivalent.

5. Whether they’re a real-time fraud risk. Criminal background checks are backward-looking by design. They surface what has already been processed through court systems, often months or years after the fact. They can’t flag a disposable email address, a recently reported fraud scheme, or an adverse media article published last week about criminal activity. Real-time fraud signals require OSINT, adverse media screening, and identity validation, none of which are part of a criminal history report.

The common thread is clear: the risks STR operators face, from identity fraud and property damage to watchlist violations and repeat bad actors, sit almost entirely outside what a criminal background check is designed to catch.

That doesn’t mean screening doesn’t matter. It means the screening tool needs to match the job.

Read the full breakdown of what background checks do and don’t address, including when they’re actually legally required, here.