J. Poska tn 4 is a 5-storey residential building completed in 1903 in Kesklinna, with 36 apartments. Load-bearing structure: Prefabricated Concrete Panels (EHR register). The most common unit type is 3-room apartments (13 of them). Energy class D (per energy certificate).
The Estiq AVM baseline for apartments in this building is 3 668 €/m², approximately 1.6% below the Kesklinna median (notarised apartment transaction median €3 727/m², 2026 Q3, n=408). The typical unit (3-room, 74 m²) comes to about €256 928.