Ordering a CLUE through a licensed agent before I bid is something I actually did about eight months ago on a vacant duplex in Akron, and what I found was that the last policy on that parcel had lapsed in 2019, which meant the reporting window had gone dark. LexisNexis gave me a partial file through the agent but a 2017 claim, a pipe burst that apparently took out the subfloor on the second unit, only showed up because the prior insurer was still active as a company and the agent knew to push for the combined property pull rather than just the residential standalone. That one claim would have cost me probably $14,000 to remediate if I had gone in blind, and I was looking at bidding around $38,000 at the deed auction.
The bigger frustration on truly long-vacant parcels is that the insurance trail just stops and you are flying on inspection alone. A property I looked at in Canton last spring had been sitting since 2015 with no active coverage, so there was nothing to pull from any report. The county also had a lien from a demo notice that was not on the parcel record I pulled initially, found it by calling the housing court clerk directly, which took two calls and about an hour. What I have started doing is cross-referencing parcels with municipal court dockets in whatever county I am looking at, because code enforcement actions and housing court filings will sometimes surface damage events that never touched an insurance file at all. That Canton property I walked from entirely.