Siili tn 23 is a 6-storey residential building completed in 1988 in Mustamäe, with 15 apartments. Load-bearing structure: Brick / Masonry (EHR register). The most common unit type is 3-room apartments (11 of them). Energy class E (estimated from construction year).
The Estiq AVM baseline for apartments in this building is 2 654 €/m², approximately 0.9% below the Mustamäe median (notarised apartment transaction median €2 679/m², 2026 Q3, n=404). The typical unit (3-room, 64,5 m²) comes to about €161 637.