No date has been assigned, no period confirmed, no builder named. The designation "indeterminate date" is not uncommon in Irish archaeological inventories, but it lends this particular entry an unusual quality: a building that has been noticed, logged, and then left largely unexplained.

Carheens is a small townland in Galway, and like many such places in the west of Ireland it will have seen centuries of habitation, clearance, and change. The landscape of Connacht is scattered with the remains of structures that resist easy classification, from pre-Famine cottages reduced to grass-covered footings to much older stone enclosures whose origins have been debated for generations. Without confirmed dating evidence, a recorded house might belong to almost any chapter of that long story. It could reflect the remains of a nineteenth-century rural dwelling, or something considerably older, its walls too fragmentary or ambiguous to place with confidence in any one era.