Mitsui Fudosan Residential Co., Ltd.

What Mitsui Fudosan Residential Co., Ltd. does

Mitsui Fudosan Residential Co., Ltd. is the dedicated residential development subsidiary of Mitsui Fudosan Group, one of Japan's three largest real estate developers. The company sells newly built condominiums and detached houses directly to individual Japanese homebuyers through a portfolio of more than eight branded product lines — including Park Homes, Park City, Park Tower, Park Mansion, Park Court, Park Luxe, Park Axis, Fine Court, and the senior-focused Park Well State — each targeting a distinct price and lifestyle segment from urban high-rise towers to suburban family housing.

The company distributes through seven regional branches covering Japan's primary metropolitan and regional markets, supplemented by the 31sumai.com online sales platform and dedicated in-person sales salons such as the recently remodeled Mitsui no Sumai Shinjuku Salon. Its revenue mechanics are predominantly one-time property sales at delivery, with recurring revenue streams layered through affiliated Mitsui Fudosan Group companies responsible for property management (Mitsui Fudosan Residential Service), rental brokerage (Mitsui Fudosan Realty), construction (Mitsui Home), resale brokerage (Mitsui Rehouse), interior design (Mitsui Designtec), and senior living (Mitsui Garden Hotels / Mitsui Wellness).

The business is vertically embedded within the broader Mitsui Fudosan ecosystem, leveraging the parent group's land bank, balance-sheet financing capacity, and brand equity. Beyond core domestic sales, the company extends overseas residential services for Japanese customers seeking properties abroad and participates in large-scale urban master-planned developments such as the Harumi Flag district in Tokyo, which received the ULI Asia Pacific Awards for Excellence 2026. Sustainability and ESG positioning is reinforced through initiatives such as the Circular Action partnership with J League and academic collaborations including with the University of Tokyo.

Name

Mitsui Fudosan Residential Co., Ltd.

Legal name

Mitsui Fudosan Residential Co., Ltd.

Website

https://e.31sumai.com

Company type

Private

Operating status

Operating

Headcount range

11–50 employees

Short description

Mitsui Fudosan Residential is the residential development subsidiary of Japan's Mitsui Fudosan Group, selling newly built condominiums and detached houses to individual consumers across Japan through multiple branded product lines, seven regional branches, and the 31sumai.com online platform, with additional senior living and overseas residential services.

Ownership category

akta.pro rank

Product category

Residential Real Estate Development

NAICS

New Housing For-Sale Builders (236117), Residential Remodelers (236118)

SIC

Land Subdividers & Developers (No Cemeteries) (6552), General Bldg Contractors - Residential Bldgs (1520)

akta.pro primary industry

New Development / Declarant Transition Management (BPAJAHAK)

akta.pro secondary industry

Condominium Association Management (BPAJAHAA)

Keywords

• Residential real estate
• New condominium sales
• Detached house development
• Senior living residences
• Property management services

Headquarters

HQ city

Tokyo

HQ country

Japan

HQ region

Asia

Offices7 records

Markets served

GTM type

B2C

Offering type

Services

Cost components

Operations, Supply Chain, Personnel, Marketing or Sales, Infrastructure

Revenue model

1. New Condominium Sales: Sale of newly constructed condominiums (分譲マンション) under various brand names including Park Homes, Park City, Park Tower, Park Court, Park Mansion, and Park Luxe. Revenue recognized upon property handover to buyers.
2. Detached House Sales: Sale of newly constructed detached houses (新房一郎) under the Fine Court brand, targeting families and individual homebuyers seeking standalone properties.
3. Property Management Services: Property management and maintenance services for completed condominium complexes, providing ongoing revenue from existing developments.
4. Renovation and Remodeling Services: Condominium regeneration (マンション再生) and renovation services for existing properties, offering value-added services to current residents.
5. Senior Living Residences: Operation of premium senior service residences under the Park Well State brand, including facilities such as Park Well State Nishiazabu and Park Well State Kamakura.

Pricing tiers

Go-to-market motion1 record

Distribution channels5 records

Marketing channels5 records

Core offering

Mitsui Fudosan Residential Co., Ltd. develops, sells, and manages new condominiums and detached houses across Japan under multiple brand names including Park Homes, Park City, Park Tower, Park Mansion, Park Court, Park Luxe, Park Axis, and Fine Court. The company also operates premium senior service residences under the Park Well State brand and provides condominium management, renovation, and overseas residential services.

Product overview

Mitsui Fudosan Residential Co., Ltd. operates a comprehensive residential real estate platform offering diverse housing products across multiple brand categories. The Core Category includes Park Homes (standard condominiums), Park City (large-scale complexes), Park Tower (high-rise towers), and Fine Court (detached houses). The Limited Category features premium brands Park Court and Park Mansion for luxury condominiums. The Active Category targets younger residents with Park Luxe, while the Senior Category offers Park Well State for premium senior residences. Services include online consultation, concierge services, overseas housing assistance, property management, and rental services. The company also operates branch offices nationwide including Hokkaido, Tohoku, Chubu, Kansai, Chugoku, and Kyushu regions.

Differentiator

Problem solved

Functional benefit

Brands

• Park Homeズ (パークホームズ): Core residential brand offering condominiums and apartment units.
• Park City (パークシティ)
• Park Tower (パークタワー)
• Park Mansion (パークマンション)
• Park Court (パークコート)
• Fine Court (ファインコート)
• Park Luxe (パークリュクス)
• Park Axis (パークアクシス)
• Park Well State (パークウェルステイト)

Products and services

• Park Homes (パークホームズ)

Segments3 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Partnerships

Eight partnerships are on record, tiered core and supporting.

• Mitsui Fudosan Co., Ltd. (三井不動産株式会社)coreStrategic or Co-development PartnerParent company of Mitsui Fudosan Residential. Provides group-level strategic direction, brand umbrella, and capital backing. Mitsui Fudosan is one of Japan's largest integrated real estate companies with diversified operations including commercial facilities, hotels, and logistics.
• Mitsui Rehouse Co., Ltd. (三井のリハウス)coreChannel Partner/ Reseller/ DistributorAffiliated real estate agency network providing resale and rental property services. Extends distribution reach for both new and existing properties, offering comprehensive real estate transaction services to customers.
• Mitsui Home Co., Ltd. (三井ホーム)Strategic or Co-development PartnerAffiliated company specializing in custom-built detached houses and housing construction. Offers alternative product lines and construction expertise within the Mitsui Fudosan Group ecosystem.
• Mitsui Fudosan Residential Lease Co., Ltd. (三井不動産レジデンシャルリース)supportingChannel Partner/ Reseller/ DistributorProvides residential leasing and rental management services, supporting the residential ecosystem with property leasing capabilities and tenant management.
• Mitsui Fudosan Residential Wellness Co., Ltd. (三井不動産レジデンシャルウェルネス)coreStrategic or Co-development PartnerOperates premium senior living residences under the Park Well State brand, including facilities in Nishiazabu and Kamakura. Expands the company's service offering into the senior living segment.
• Mitsui Designtec Co., Ltd. (三井デザインテック)supportingImplementation/ SI/ Consulting PartnerInterior design and renovation services company providing design expertise for residential interiors and renovation projects.
• Tokyo University (東京大学)supportingStrategic or Co-development PartnerCollaborative partner in the Chiba Gakubi no Mori urban development project, representing a public-academic-private partnership for community development at the former Tokyo University Nishi-Chiba Campus site.
• J League (Jリーパー)supportingGTM or Marketing PartnerPartnership for the Circular Action sustainability initiative, where book drives were held at J League All-Star games to support resource circulation and employment for people with disabilities.

Scale indicators2 records

Recent moves6 records

Expansion highlights5 records

Direct peers

• Sekisui House: Japan's largest dedicated homebuilder with both detached housing (Sha Maison and custom-built lines) and condominium (マンション) operations under the Sekisui brand umbrella. Directly comparable for residential for-sale product breadth and customer-segment coverage.
• Tokyo Tatemono: Major Tokyo-based real estate developer with a significant condominium development business (Brillia brand), senior living operations, and property management services. Comparable in mid-to-upper-tier condominium development, Tokyo-centric positioning, and senior living extension.
• Daito Trust Construction: Japan's largest rental housing-focused developer (Leopalace rental and Cresia condominium brands) with extensive nationwide construction and management infrastructure. Comparable for nationwide branch network and integrated build-and-manage model, though tilted more toward rental than for-sale.
• Nomura Real Estate Development: Major Japanese residential developer with PROUD condominium brand, senior living (LIFESUITE), and property management arms. Highly comparable in product brand architecture (premium + senior + management), urban Tokyo focus, and One's style of customer targeting.
• Daiwa House Industry: Japan's largest homebuilder and a major condominium developer (D'シリーズ brand family), with extensive nationwide coverage and a diversified housing, commercial, and logistics portfolio. Comparable as a national-scale residential developer serving similar end-customer segments.
• Tokyu Land Corporation: Major Japanese real estate developer with significant condominium (BRANZ brand) and senior living (ウェルネス operations) businesses. Closely comparable in brand portfolio structure, mixed-use urban development capability, and senior housing focus.
• Sumitomo Realty & Development: One of Japan's largest comprehensive real estate developers with a major condominium sales business ( condominium 棟 , similar Park-style brand lineup) and nationwide branch network. Directly comparable as a peer national condominium developer with a similar urban focus and premium positioning.

Broad incumbents

• Mitsubishi Estate: One of Japan's largest integrated real estate companies with significant residential development (The Parkhouse brand), commercial, and office businesses. Comparable as a broad incumbent in the same Japanese residential category, though Mitsui's residential business is more focused than Mitsubishi's diversified portfolio.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks5 records

Key highlights6 records

Customer concentration

• LinkedInlinkedin.com/company/mitsui-fudosan-residential-co-ltd-

Revenue estimate

Valuation estimate

Number of profiles

Subsidiaries3 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Mitsui Fudosan Residential Co., Ltd.