The listing, DC13070011, appears to be listed in the MLS as having 9.892 acres because it actually includes three different parcel's. The MLS only let's you associate one parcel, and the one selected is APN 0585-231-22-0000, which is a 3.673 vacant lot.
The other two APN'S (parcels) that are included in the sale are:
These three parcels combined equal 9.892 acres. None of the tax records for the three lots indicate a cabin is present, what site are you using to pull these public records?
The link below contains the assessor's plat map where I have identified the three parcels this listing includes. Hope this helps! Please email me directly, at email@example.com, if you would like to discuss submitting an offer on these lots or if you would like me to research other land for sale in the area.... more