Chotaro Real Estate, Managing Over 30,000 Rental Units in Itabashi and Nerima, Adopts 'ITANDI Rental Management'

Itandi Inc. (hereinafter "the Company"), which aims to make real estate transactions smoother through technology, announces that Chotaro Real Estate Co., Ltd. (hereinafter "Chotaro Real Estate"), the largest property manager in the Itabashi and Nerima areas with over 30,000 rental units, will introduce the rental management support service "ITANDI Rental Management" at all 12 stores handling rental management operations (※1) starting June 15, 2026, initiating the digitization of viewing reservations and tenant application processing.

◆ Background

Chotaro Real Estate, managing over 30,000 rental units in the Itabashi and Nerima areas, has been progressively advancing digital transformation (DX) since 2024, automating brokerage operations at three stores using "ITANDI Rental Brokerage." Starting in 2026, one store began piloting "ITANDI Rental Management," digitizing viewing reservations and tenant application processing, and has been working on improving operational efficiency.

◆ Overview

Starting June 15, 2026, Chotaro Real Estate will deploy "ITANDI Rental Management" across all 12 stores handling rental management, including the pilot store. This rollout will automate viewing reservation operations for all properties managed by Chotaro Real Estate. Additionally, during tenant applications, information will be shared with rent guarantee companies and insurance providers, streamlining the application and review processes. This initiative will reduce administrative burdens and, through data analytics and on-site questionnaire features, enable visualization of the entire process from viewing to tenant screening.

The number of tenant applications processed via the "ITANDI Rental Management" application system in FY2025 reached 1.13 million (※2), capturing approximately 40% of the estimated 2.72 million annual rental applications in Japan (※3).

The Company aims to become a technological infrastructure provider supporting the real estate industry and related sectors, delivering safe and convenient services to all stakeholders and tenants.

◆ Overview of the "ITANDI Rental Management" Viewing System

An automated viewing reservation system with a 93.8% adoption rate among brokerage firms (※4), enabling 24/7 viewing bookings by automating reservation handling and key information inquiries. Automation helps property management companies streamline operations and prevent issues like double bookings. The system also includes an automatic verification feature to detect unlicensed fraudulent operators, contributing to crime prevention. For prospective tenants, it enables faster and more efficient viewing of desired units, enhancing convenience.

◆ Overview of the "ITANDI Rental Management" Application System

A tenant application system with a 94.5% adoption rate among brokerage firms (※4), facilitating efficient communication from application submission to review by sharing applicant information and application progress among management companies, brokers, rent guarantee companies, and insurers. Currently used for approximately 1.13 million annual applications and integrated with 95 domestic guarantee companies (※5). It has ranked No.1 in broker adoption rate for three consecutive years (※4).

◆ Inquiry for Real Estate Companies Regarding This Service

https://service.itandi.co.jp/contacts/kanri

(※1) All 12 out of 14 stores that handle rental management operations are included.

(※2) Period: April 1, 2025 – March 31, 2026

(※3) Estimated based on 1.77 million brokerage transactions in 2024 from "Rental Brokerage and Tenant Trends Data Book 2025" published by Zenkoku Chintai Jutaku Shimbun, applying ITANDI's 35% cancellation rate from application to contract to estimate 2.72 million annual applications, then calculating ITANDI's 1.13 million electronic applications as a share.

(※4) Source: Leasing Management Consulting Co., Ltd., "How Will the Rental Housing Market Change in the Future? 2025 Trend Analysis"

https://lmc-c.co.jp/wp/wp-content/uploads/2025/02/lmc_releace_20250227.pdf

(※5) As of March 31, 2026

◆ Overview of Chotaro Real Estate

Company Name: Chotaro Real Estate Co., Ltd.

Representative: CEO Nagoya Asanuma

URL: https://www.choutarou.co.jp/

Head Office: 3-23-5 Naka-oku, Itabashi-ku, Tokyo

Established: February 1973

Business Activities:

・Real estate sales, brokerage, planning, and development

・Comprehensive management services including apartments, condominiums, tenant buildings, and collection accounting; tenant recruitment and selection for parking lots

・Management operations under the designation as a Qualified Superior Rental Housing operator (Tokyo Metropolis, Saitama Prefecture)

・Building maintenance and management for apartments and condominiums

・Planning, design, construction, and supervision of buildings, apartments, condominiums, and parking lots with asset management and land utilization

・Renovation and house cleaning services

・Insurance agency services for property damage

◆ Overview of Itandi

Itandi Inc. is a PropTech company committed to solving challenges in the real estate industry with the mission of "Smoothing Real Estate Transactions through Technology." Its core services have facilitated approximately 1.13 million electronic tenant applications and 430,000 electronic contracts annually (＊1), achieving an estimated annual reduction of 12.92 million sheets of paper through digitization of application and lease agreement documents (＊2), advancing DX in the real estate sector.

(＊1) Period: April 1, 2025 – March 31, 2026

(＊2) Based on the Company's standards. Period: April 1, 2025 – March 31, 2026. Calculated from estimated paper reduction by companies adopting "ITANDI Rental Management."

Company Name: Itandi Inc.

Representative: CEO Takashi Uematsu, President & Executive Officer

URL: https://corp.itandi.co.jp/

Head Office: 42F, Sumitomo Fudosan Roppongi Grand Tower, 3-2-1 Roppongi, Minato-ku, Tokyo

Established: June 2012

Business Activities:

・Development and operation of a real-time inter-broker platform

・Development and operation of DX services for rental and sales operations

・Development and operation of real estate data services