Notice of Summer Closure
The Japan Housing Maintenance Association will be closed for summer from Tuesday, August 11, 2026, to Sunday, August 16, 2026.
Japan Housing Maintenance Association
一般社団法人日本住宅保全協会
Ticker
—
Listed market
—
Country
Employees (non-consolidated)
—
Related companies
33
§01
Basic information
- Head office
- 2F- C, Tokyu Building, 1-10-8 Dogenzaka, Shibuya-ku, Tokyo
- Chief executive
- Takashi Sakai
- Capital
- Employees (non-consolidated)
- Employees (consolidated)
- Start date
- 2010-01-01
- End date
§02
Websites
§03
Business
Insurance Application Window ServiceHome Health CheckPlanning and Hosting Housing and Real Estate SeminarsHousing Inspection (Free Home Health Check)Various Application Support ServicesSales Support Consulting ServicesLaunch of New Service Utilizing Fire Insurance
Home Health CheckPlanning and Hosting Housing and Real Estate SeminarsHousing Inspection (Free Home Health Check)Various Application Support ServicesSales Support Consulting ServicesLaunch of New Service Utilizing Fire Insurance
§04
Related companies
| Company name | Group | Parent | Subsidiary | Customer | Supplier | Alliance | Bank | Shareholder |
|---|---|---|---|---|---|---|---|---|
|
|
||||||||
|
|
||||||||
|
|
||||||||
|
|
||||||||
|
|
||||||||
| Powerhouse Corporation | ||||||||
|
|
||||||||
|
|
||||||||
|
|
||||||||
| 元岩石通信機株式会社 | ||||||||
| 南星電気水道有限会社 | ||||||||
|
|
||||||||
| Showa Construction Co., Ltd. | ||||||||
|
|
||||||||
| Takumi Limited Company | ||||||||
|
|
||||||||
| Kenkan Co., Ltd. | ||||||||
|
|
||||||||
| 株式会社アシスト | ||||||||
|
|
||||||||
|
|
||||||||
|
|
||||||||
| 株式会社コトブキ | ||||||||
|
|
||||||||
| 株式会社スマート | ||||||||
| House Paint Kikuchi Co., Ltd. | ||||||||
| 株式会社ライズカンパニー | ||||||||
|
|
||||||||
| Sōtaku Co., Ltd. | ||||||||
|
|
||||||||
|
|
||||||||
|
|
||||||||
|
|
Names without a link are companies not yet registered in OpenBizGraph
§05
Network
Drag to move · click to open
§06
History
Start of a study session on the future of the housing reform industry. The theme is what constitutes a reasonable reform proposal for customers, and brainstorming begins.
Start of a study session on the future of the housing reform industry. The theme is what constitutes a reasonable reform proposal for customers, and brainstorming begins.
The participating companies (20) renamed the study session to "Japan Housing Maintenance Association".
Start of application support and launch of new service utilizing fire insurance.
Achieved 1,000 support cases in one year and 30 member stores.
Incorporated due to increased member stores, transitioning from an informal group to a corporation. Became the Japan Housing Maintenance Association.
Achieved 5,000 support cases within just under three years since the service launch.
Changed the service name to "Insurance Application Window Service".
Reached 100 member stores and simultaneously achieved 7,500 support cases.
Achieved 10,000 support cases.
Reached 150 member stores, comprising housing reform shops and real estate management companies nationwide.
Changed the service name to "Home Health Check".
§07
News
Notice of Summer Closure
Notice of Golden Week Closure in 2026
The Japan Housing Preservation Association will be closed for Golden Week from Wednesday, April 29, 2026 to Wednesday, May 6, 2026.
Notice of Holiday Closure for New Year's
During the year-end and New Year's holidays, the company will be closed from Saturday, December 27, 2025, to Sunday, January 4, 2026, and will resume business at 10:00 on Monday, January 5. The preparation and mailing of insurance application documents after Thursday, December 25, 2025, may be handled after January 5, 2026.
Office Relocation Notice
The Japan Housing Preservation Association will relocate to 701 Koshikidaki Square, 1-7-1 Koshikidaki, Chuo-ku, Tokyo, effective October 29, 2025. Operations at the new address will commence on October 30, with no change to the telephone number. Operations at the current location will conclude on October 28.
Featured in Japan Roof Economic News
Announcing that it was featured in the Japan Roof Economic News, October 18, 2025 edition.
Beware of Calls from Lookalike Organizations and Deceptive Inspection Sales
The Japan Housing Preservation Association says it does not solicit business from the general public and has no affiliation with similarly named organizations, and warns people to be cautious of phone calls and visits. Deceptive inspection sales involve pretending to conduct a legitimate inspection in order to secure contracts for unnecessary or expensive work. The association advises people to firmly refuse unsolicited free inspections, obtain estimates from multiple companies before signing a contract, and contact the police or the Consumer Hotline (188) if they have concerns.
Special Online Seminar on Revitalizing Existing Homes
A free online seminar hosted by the Japan Roof Resilience Association and supported by the Japan Housing Preservation Association will be held on Friday, September 26, from 5:00 p.m. to 6:30 p.m. The theme is “Accelerating the Revitalization of Existing Homes.” As approaches to housing supply and renovation change, the seminar will examine how new systems are affecting the renovation market.
Notice of Recovery from Homepage Access Error
The homepage access error that had been occurring since around August 20 was restored on August 26. We deeply apologize for the inconvenience caused to our customers and agents.
Notice of Summer Closure
The Japan Housing Maintenance Association informs that it will be closed for summer from Monday, August 11, 2025, to Sunday, August 17, 2025.
Announcement of Exterior Wall Reformation Seminar
On June 17, we will hold an exterior wall reformation seminar for builders, contractors, and remodeling companies. The in‑person event in Shinbashi, Tokyo, is limited to the first 50 participants, while the Zoom online session has no participant limit; both are free of charge. We will introduce a system to increase orders through exterior construction and turn customers into lifelong clients.
§08
Public records
National Tax Agency basic information7011005005027
Source: National Tax Agency Corporate Number Publication Site, basic three items
- Trade name
- 一般社団法人日本住宅保全協会
- Trade name (kana)
- ニホンジュウタクホゼンキョウカイ
- Name in English
- Corporation type
- 399
- Address
- 〒150-0043 東京都渋谷区道玄坂１丁目１０番８号渋谷道玄坂東急ビル２Ｆ－Ｃ
- Postal code
- 1500043
- Prefecture code
- 13
- City code
- 113
- Address outside Japan
- Prefecture in English
- City in English
- Address outside Japan in English
- Corporate number assignment date
- 2015-10-05
- Update date
- 2025-12-24
- Change date
- 2025-12-19
- Registry closure date
- Reason for registry closure
- Successor corporate number
- Details of the change
- Latest record
- 1
- Excluded from search
- 0
- Processing type
- 12
- Correction type
- 0
- Trade name image ID
- Address image ID
- Sequence number
- 2246278
METI gBizINFO7011005005027
Source: gBizINFO (Ministry of Economy, Trade and Industry)
- Corporate number
- 7011005005027
- Trade name
- 一般社団法人日本住宅保全協会
- Trade name (kana)
- ニホンジュウタクホゼンキョウカイ
- Trade name (alphabet)
- Registry closure date
- Reason for registry closure
- Registered address
- 東京都渋谷区道玄坂１丁目１０番８号渋谷道玄坂東急ビル２Ｆ－Ｃ
- Postal code
- 1500043
- Prefecture
- 東京都
- Prefecture code
- 13
- City or district
- 渋谷区
- City code
- 113
- Street address
- 道玄坂１丁目１０番８号渋谷道玄坂東急ビル２Ｆ－Ｃ
- Organisation type
- 399
- Processing type
- 12
- Correction type
- 0
- Status
- Representative
- Capital
- Employees
- Employees (male)
- Employees (female)
- Business summary
- Website URL
- Year founded
- Business category
- Date established
- Unified government qualification - grade
- Unified government qualification - business items
- Update date
- 2025-12-24
- Key information
- 7011005005027
§09
Sources & updates
DOMAINOwn domain：Yes
UPDATED2026-11-04 05:55 · Model: gpt-oss-20b(16)