A. H. Tammsaare tee 121 is a 5-storey residential building completed in 1967 in Mustamäe, with 90 apartments. Load-bearing structure: Prefabricated Concrete Panels (EHR register). The most common unit type is 2-room apartments (50 of them). Energy class D (per energy certificate).
The Estiq AVM baseline for apartments in this building is 2 440 €/m², approximately 8.9% below the Mustamäe median (notarised apartment transaction median €2 679/m², 2026 Q3, n=404). The typical unit (2-room, 43,6 m²) comes to about €110 134.