Building guide

Sun Park Mansion Chiyoda

An 11-storey, 53-home condominium with one basement level in Iidabashi 2-chome, Chiyoda-ku, completed in 1982.

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Overview

The building

Address: 2-9-4 Iidabashi, Chiyoda-ku, Tokyo
Stations: Iidabashi (Tokyo Metro Tozai Line) 2 min walk; Iidabashi (JR Chuo-Sobu Line) 5 min; Kudanshita (Tokyo Metro Hanzomon Line) 5 min
Completed: 1982
Size: 11 storeys above ground, 1 basement level; 53 homes
Structure: Steel-reinforced concrete (SRC)
Land: Freehold
Developer(s): Harada Fudosan
Contractor: Tobishima Corporation and others
Parking: None

History

History of the building

1982: Completed; developed by Harada Fudosan and built by Tobishima Corporation and others

Nearby

Around the building

Walking distances from the building

Shopping: Tokyo Dome City (10 min, 783 m)
Places to know: Koishikawa Korakuen Garden (12 min, 889 m), Kagurazaka (13 min, 1,015 m)
Museums and cinemas: Science Museum (15 min, 1,171 m)
General hospitals: Tokyo Shinjuku Medical Center (10 min, 745 m), Kudanzaka Hospital (10 min, 780 m)
Embassies: Embassy of India (12 min, 891 m)

Area

Area in Numbers

Resale condos, Chiyoda-ku

JPY 1,750,000

Median sale price per sq m of floor area · 570 sales in the latest year

Official land price nearby — land only

JPY 2,180,000

Per sq m of land · nearest official point, about 0.2 km away · 1 Jan 2026

A home's price per sq m is on floor area and includes the building; the official land price is per sq m of land alone.

Change over 1 year · public statistics

Area-wide figures, not this building

Residential land

↑ 10.7%

Chiyoda-ku average · 1 Jan 2026 vs a year earlier

Land near this building

↑ 10.7%

Nearest official point · 1 Jan 2026 vs a year earlier

Resale condo prices

↑ 18.2%

Chiyoda-ku · median per sq m of 570 sales vs a year earlier

Apartment rents

↑ 6.7%

Tokyo 23 wards · Q1 2026 vs a year earlier

Condominium price index

↑ 9.6%

Tokyo · December 2025 vs a year earlier

Sources and notes

All figures are public statistics for the wider area, not an appraisal of this building, and none of them guarantees future rent, value or performance.

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