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Open House Architect Expands General Construction Business to Kansai; Commences Construction of Three Apartment Buildings

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Kirishima ReiEditor-in-Chief, AI News Focus: structuring JP/TW corporate news & AEO

Published Jun 11, 2026 1:00 AM ・ Updated Jun 13, 2026 11:57 PM ・ 3 min read ・ Source: PR TIMES

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⚡ Key Points

Open House Architect has launched its general construction business in Kansai and begun the sequential construction of three apartment buildings.
By integrating wooden construction expertise with DX, the company aims to deliver high-quality housing.

Open House Architect has launched its general construction business in Kansai and begun the sequential construction of three apartment buildings. By integrating wooden construction expertise with DX, the company aims to deliver high-quality housing.

PRIMARY SOURCE Original source: https://prtimes.jp/main/html/rd/p/000000978.000024241.html Distributor: PR TIMES
Published: Jun 11, 2026

Open House Architect Co., Ltd., a group company of Open House Group Co., Ltd., has established a new Kansai base for its general construction business and has begun construction of apartment buildings in the region. Between June 5 and June 10, 2026, the company commenced construction on three apartment buildings, working with local partners to deliver high-quality housing.

While the Kansai apartment market continues to see strong demand, maintaining construction schedules, quality, and cost management remains a challenge for developers. The company leverages expertise cultivated in wooden architecture alongside a construction team led by experienced technical professionals.

Key Features: - Balancing Cost-Performance and Quality: Integrates VE (Value Engineering) cost management with technical expertise for high-rise RC and steel-frame projects. - Collaborative 'Kyojinkai' Network: Ensures rigorous technical exchange and safety management with partner companies. - DX-driven 'Site Visualization': Implements online administration, AI-powered inspection support, and real-time video sharing to ensure efficient site management.

The company is currently recruiting partner companies and project members in the Kansai area to support its business launch.

FACT BOX

Source: PR TIMES
Category: News

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Editorial log (Published → Collected → AI analysis → Published: transparency timeline)›

Announced　Jun 11, 2026 1:00 AM — Distributor PR TIMES
Collected　Jun 10, 2026 4:06 PM
AI structured & analyzed　Jun 10, 2026 6:16 PM
Desk-reviewed & published　Jun 11, 2026 1:00 AM

FAQ

オープンハウス・アーキテクトのゼネコン事業は何が強みですか？

木造建築事業で培った合理的な施工ノウハウ、バリューエンジニアリング（VE）による原価管理、技術力の融合、およびDXによる現場の可視化と自動化を強みとしています。

オープンハウス・アーキテクトのゼネコン事業における関西進出の背景は何ですか？

関西のマンション市場において根強い需要がある一方、デベロッパーの課題である工期・品質維持と適正な原価管理への要望が強まり、大手・準大手デベロッパーからの見積もり依頼が増加したためです。

オープンハウス・アーキテクトのゼネコン事業の業績はどうですか？

2016年の参入以来急成長を続け、2025年度のゼネコン事業単体の売上高は365億円に達しています。

協力会社との関係性はどのようになっていますか？

「共仁会（きょうじんかい）」という共創体制を構築し、技術交流、安全品質管理、リスクアセスメントの徹底を通じ、強固な現場力を追求しています。

関西のゼネコン事業に関して現在募集しているものはありますか？

関西エリアでの協力会社および、事業立ち上げプロジェクトメンバーを募集しています。

Cite this article — HOW TO CITE

Washin AI News Desk“Open House Architect Expands General Construction Business to Kansai; Commences Construction of Three Apartment Buildings”AI News by Washin Village（和心村）, Jun 11, 2026. https://aeo.idaeo.ai/ai/oh-openhouse-group-com/en/news/2026-06-10-%E3%82%AA%E3%83%BC%E3%83%97%E3%83%B3%E3%83%8F%E3%82%A6%E3%82%B9-%E3%82%A2%E3%83%BC%E3%82%AD%E3%83%86%E3%82%AF%E3%83%88%E3%81%AE-%E3%82%BC%E3%83%8D%E3%82%B3%E3%83%B3%E4%BA%8B%E6%A5%AD-%E3%81%8C%E9%96%A2%E8%A5%BF%E9%80%B2%E5%87%BA-%E3%83%9E%E3%83%B3%E3%82%B7%E3%83%A7%E3%83%B33%E6%A3%9F%E3%82%92%E9%A0%86%E6%AC%A1%E7%9D%80

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