Frontier Estate Acquires Office Building in Nishi-Shinjuku
Frontier Estate acquired Daiichi Tomoe Building, an office building in Nishi-Shinjuku 5-chome, Shinjuku-ku, Tokyo, in May 2026. The seller was Tomoe Building, which has its head office in the property and had acquired it in 1978.
The property faces Juniso-dori, a four-minute walk from Nishi-Shinjuku-Gochome Station and a seven-minute walk from Tochomae Station on the Toei Oedo Line. Completed in 1973, the building has 10 floors above ground and one below, with a typical floor plate of approximately 61 tsubo (approx. 2,200 sq. ft.). A restaurant occupies the first floor.
Among office buildings with a typical floor plate of less than 100 tsubo (approx. 3,600 sq. ft.) within a five-minute walk of Nishi-Shinjuku-Gochome, Tochomae and Nishi-Shinjuku stations, the vacancy rate around Tochomae Station has hovered around 5%, while the rate around Nishi-Shinjuku-Gochome Station has declined since the start of 2026 and stood at 0.82% in August, the lowest of the three stations (based on editorial research using estie office research).
The buyer, Frontier Estate, is headquartered in Nishi Ward, Osaka, and is engaged in sales of condominiums and newly built homes, real estate development, neighborhood negotiations and real estate consulting. The company acquired S Famille in Higashi-Mukojima, Sumida Ward, in August 2025 and Vingt-et-un Gotenyama in Kita-Shinagawa, Shinagawa Ward, in September 2025, continuing to add properties in Tokyo's 23 wards.
Key Facts
- Property Name: Daiichi Tomoe Building
- Buyer: Frontier Estate Co., Ltd.
- Seller: Tomoe Building Co., Ltd.
- Asset Acquired: Fee simple ownership
- Acquisition Date: May 15, 2026
- Location: 5-8-1 Nishi-Shinjuku, Shinjuku-ku, Tokyo
- Nearest Station(s): Four-minute walk from Nishi-Shinjuku-Gochome Station on the Toei Oedo Line / Seven-minute walk from Tochomae Station on the Toei Oedo Line / Eight-minute walk from Nishi-Shinjuku Station on the Tokyo Metro Marunouchi Line
- Completion: March 1973
- Number of Floors: 10F / B1 (steel-reinforced concrete construction)
- Use: Retail / Office / Apartment / Warehouse
- Area: Typical floor plate of approximately 61 tsubo (approx. 2,200 sq. ft.) / Gross Floor Area of approximately 704 tsubo (approx. 25,100 sq. ft.)