Nissho Iwai Roka Koen Mansion is a five-storey reinforced concrete building at 2-32-27 Minami-Karasuyama in Setagaya-ku, completed in March 1976 with 87 residences and a lift. Management is fully outsourced, with a day-shift caretaker. The listing material records replacement of the window sashes in all residences in 2019, renewal of the water supply and drainage pipes in 2024, and a long-term repair plan. The building was designed under the seismic standard in force before June 1981; the building permit date is not stated in the sales material or the building records, and no seismic diagnosis is recorded. On-site parking is listed with space available at JPY 15,000 per month as of October 2026. Pets are permitted under detailed rules.

This residence is a 3LDK of 72.00 sq m on the fourth floor, with a balcony of 7.80 sq m. The plan has a living, dining and kitchen space of approximately 15.4 jo, Western-style rooms of approximately 6.2, 5.6 and 4.1 jo, a den, a walk-in closet, system storage, a 1218-size unit bath and a separate washroom and toilet. A full renovation was completed on 9 October 2026, covering the flooring and wall coverings, washroom, toilet, kitchen, unit bath and joinery, with one new air conditioner. The listing material states that the residence is sold furnished with air conditioning and lists a dishwasher, a bathroom drying unit, reheating and light fittings. The residence is vacant and available for immediate handover.

• Sold furnished with air conditioning, according to the listing material; pets permitted under detailed rules

The listing material lists the Roka-koen Ekimae post office approximately 150 m away, a Summit Store supermarket approximately 210 m and a Matsumoto Kiyoshi drugstore approximately 240 m.