The five housing estates in the town are called the Emmett Park built in the 1980s Sessaigh Park built in the 2000s, Caislean Court built in the 1990s, Hillhead built in the 1970s and Grahamsland built in the 1950s. The town centre is located around the Diamond area, which is where three routes merge. The Diamond has landscaped seating and planting areas, and the surrounding area also has a number of buildings that are included on the Record of Protected Structures. The town has a number of retail, commercial, religious, economic, social and recreational amenities. Castlefinn also serves as a focus of primary education for the surrounding rural areas. The local
national school has a large catchment area and currently has 180+ pupils attending. The town also has a pre-school. The town centre has a number of amenities including retail outlets, grocery stores, a petrol station, post office, butchers, take-aways, public houses and some hairdressers. The town also has a recycling facility that is located on the Castlederg road beside the bridge. The C.P.I center is used for football, parties, computing and the youth club. There is a local GAA club (Robert Emmetts) and a soccer field (Castlefinn Celtic). Castlefinn is also the home of Finn Valley Radio which broadcasts on 95.8FM locally and online. The station holds a community licence and its studios are located at the CPI Centre. ==Schools==