Built sometime in the late medieval period, this tower house served as both fortress and home to local lords who needed to balance comfort with defence. The castle's strategic position allowed its occupants to control the surrounding territory whilst maintaining links with the broader network of fortifications that dotted the county during this era of constant territorial disputes and clan warfare.

The structure follows the typical design of Irish tower houses, with thick walls tapering as they rise through multiple storeys. Each floor would have served different purposes; storage and servants' quarters at ground level, with the main hall and private chambers occupying the upper floors where natural light was better and defence easier. Murder holes, narrow window slits, and a well-defended entrance all speak to the practical concerns of its builders, who knew that political alliances could shift as quickly as the weather in County Clare.

Today, Tomgraney Castle remains a compelling example of the hundreds of tower houses that once dominated the Irish countryside. These structures represent a unique phase in Irish architecture, when local chieftains and Anglo-Norman families alike adopted this distinctly Irish form of castle building. Though many such towers have crumbled or been demolished over the centuries, Tomgraney endures as a testament to the skill of medieval masons and the complex social hierarchies that shaped medieval Ireland.