Õismäe tee 21 is a 5-storey residential building completed in 1974 in Haabersti, with 60 apartments. Load-bearing structure: Prefabricated Concrete Panels (EHR register). The most common unit type is 2-room apartments (39 of them). Energy class D (per energy certificate).
The Estiq AVM baseline for apartments in this building is 2 369 €/m², approximately 24.3% below the Haabersti median (notarised apartment transaction median €3 130/m², 2026 Q3, n=288). The typical unit (2-room, 52,5 m²) comes to about €123 480.