株式会社ライフ

What 株式会社ライフ does

株式会社ライフ (Life Corporation) is a privately held, vertically integrated real estate and custom home builder headquartered in Ichihara City, Chiba Prefecture, Japan, founded in 1987 (incorporated as a kabushiki kaisha in 2006). The company operates within the Kanto region with a focus on Chiba Prefecture (Ichihara, Kisarazu, Sodegaura, Chiba City), delivering integrated services spanning land acquisition and subdivision development, custom home construction, and post-sale warranty and aftermarket support. Distribution is direct-sales driven through two company-owned showroom/branch offices (Ichihara HQ and Kisarazu branch), a sales-type model house program, and reactive in-bound field sales supported by web, SNS, and event channels.

The core product portfolio is a multi-brand housing lineup of seven distinct house brands addressing different price-per-formance segments: Regulus (highest-volume flagship, free design, future-oriented energy-saving standard), Regulus Next (2021 upgrade with enhanced seismic and thermal performance), Regulus Type Hiraya (single-floor house), Square Gate (compact cube design from ¥12M, internal price-satisfaction No.1), Galva (wind-damage resistant with 4GUARD system using Asahi Kasei Hebel Power Board and Galvalume steel roof), Komorebi Monogatari (Swiss plaster/natural wood, operated via partner Shinostyle), and Sera-Vi Gran (ZEH/AI/battery flagship). Construction is standardized on aluminum exterior walls (37mm ALC), 4.5-sun pillars, full-window shutters, and earthquake damper MIRAIE (absorbing up to 95% of seismic shaking), with sponsor procurement partnerships enabling LIXIL, Takara Standard, and TOTO fixtures as standard equipment. The company is a METI-certified ZEH Builder targeting 90% ZEH adoption in FY2025, with Sera-Vi Gran including 9 kWh battery standard adopted after Typhoon No.15 lessons in 2020.

The business model is one-time sale of land and buildings (real estate sales of subdivided lots with optional construction conditions) plus construction of made-to-order homes. Pricing is per-unit (tsubo/land-area) with package prices ranging from ¥11.5M for a 135 ㎡ land lot to ¥45.9M–¥47.9M for fully furnished sale-type model houses (land + building). In-house construction management and a 20-year initial warranty (extendable to 60 years), 10-year equipment warranty, and 20-year foundation warranty (insured via JIO) form the afterservice backbone. The company claims 80+ building orders per year, a cumulative 7+ subdivision completions since 2016, and an active pipeline including the 54-lot Oyumino Chuo project launched in 2025. Customer segments are residential consumers (primary), investment-property buyers, and commercial/business-use property clients. Geographic expansion is limited to Chiba Prefecture; no external investors, parent company, or M&A activity is disclosed.

Name

株式会社ライフ

Legal name

株式会社ライフ

Website

https://lifestageneo.com

Company type

Private

Founded year

1987

Operating status

Operating

Headcount range

1–10 employees

Short description

株式会社ライフ is a privately held Chiba-based vertical integrator of custom home construction and residential land development, operating 7+ house brands (Regulus, Square Gate, Galva, Sera-Vi Gran) primarily serving individual residential buyers in the Kanto region with 80+ building orders per year.

Ownership category

akta.pro rank

Product category

Custom Home Building / Residential Real Estate

NAICS

New Housing For-Sale Builders (236117)

SIC

Real Estate Dealers (For Their Own Account) (6532), Real Estate Agents & Managers (For Others) (6531)

akta.pro primary industry

Custom Home Building (IMAFABAC)

Keywords

• Custom home building
• Residential real estate
• Land development
• Property brokerage
• ZEH energy efficiency

Headquarters

HQ city

市原市

HQ country

Japan

HQ region

Asia

Offices2 records

Markets served

GTM type

B2C

Offering type

Services

Cost components

Supply Chain, Personnel, Operations, Marketing or Sales

Revenue model

1. 不動産売買（土地・建物）: 売主として土地・建物を直接販売。分譲地の開発造成から販売，建売事業まで一貫して手がける。仲介手数料不要の売主物件を主力とする。建築条件付き分譲地と無条件分譲地の両方を扱い，用途に応じた多様な房源を抱える。
2. 、注文住宅建設: 土地仕入れ，分譲，建築までを一括提供。レグルスをはじめとする複数のブランドシリーズ（Square Gate，Regulus，Regulus Next，Regulus Type Hiraya，Galva，木もれ陽物語，セラヴィ・格兰等）を通じて注文建築を展開。自社施工により施工管理を徹底。
3. アパート・事業用（投資）物件: アパート的建设・運用，投资用物件の企画・提案・売買。不動産運用に関するアドバイスを提供し，創業40年の実績と運用経験を元に的事业用物件的介绍を行う。
4. 부동산売却中介（ оценка и продажа）: 不动產收购・再贩卖サービス。不良资产の現状まま買取り，迅速に現金化。仲介手数料不要で贷款残債対応も可能。
5. модели домов 商品販売: построенные модели домов を家具・家電・カーテン・外構付きで销售。特別仕様モデルハウスを即入居可能として销售し，従来の注文建築とは異なる迅速な提供を実現。
6. 改建・仲介サービス: 既婚向け改建서비스と新建布朗関連サービスを提供。改建の流れを分明丁寧に说明し，afterservice体制も整備。

Pricing tiers

Go-to-market motion1 record

Distribution channels5 records

Marketing channels7 records

Core offering

Life Corporation (株式会社ライフ) is a Japanese real estate and custom home building company based in Chiba Prefecture. It sells custom-built residential homes under multiple branded product lines (REGULUS series, Square Gate, GALVA, 木もれ陽物語, SERA-VI Gran), develops residential land (ライフステージ), and provides real estate brokerage, buyout, and after-sales warranty services. The company serves primarily individual home buyers seeking owner-occupied, custom-designed houses, with a flagship focus on energy-efficient (ZEH) and disaster-resistant construction.

Product overview

株式会社ライフ is a Chiba prefecture-based real estate and custom home building company operating a multi-brand portfolio of custom-built houses alongside land development, property sales, and after-sales services. The core offering consists of seven distinct home building brands — レグルス (sales No.1), レグルス Next (upgraded version), レグルス Type 平屋 (single-floor), 平方・ゲート (price-satisfaction No.1 compact), ガルバ (wind-resistant), 木もれ陽物語 (Swiss plaster/natural wood, partner brand), and セラヴィ・グラン (ZEH/AI/battery flagship) — complemented by a land development division (ライフステージ 街並み創造プロジェクト), a sale-type model house program, and a full-service real estate division handling property buyouts and sales. All homes are built with in-house construction management and free-design floor plans by company architects, supported by a 20-year warranty program extensible to 60 years.

Differentiator

Problem solved

Functional benefit

Brands

• レグルス (REGULUS): 売上No.1 (No. 1 sales volume) brand of custom homes featuring free design, energy-saving specifications, and quality materials. Also includes REGULUS Next (upgraded version) and REGULUS Type 平屋 (single-story house).
• スクエア・ゲート (Square Gate)
• ガルバ (GALVA)
• セラヴィ・グラン (SERA-VI Gran)
• 木もれ陽物語 (Komorebi Monogatari)
• クーナ (CUNA)
• アルnica (Arunika)
• NEST
• ライフステージ (Life Stage)

Products and services

• REGULUS (レグルス) Standard custom-built owner-occupied home brand offered by Life Corporation (株式会社ライフ) in Chiba Prefecture, Japan. Targeted at individual home buyers seeking a custom-designed single-family home.
• REGULUS Next Upgraded version of the REGULUS custom home offering, positioned at the premium tier of Life Corporation's standard custom home range.
• REGULUS Type 平屋 Single-story (平屋) variant of the REGULUS custom home line, aimed at home buyers who prefer one-floor living.
• Square Gate (スクエア・ゲート) Compact-design custom home line from Life Corporation (株式会社ライフ), targeted at home buyers building on smaller urban lots in Chiba Prefecture.
• GALVA (ガルバ) Wind-resistant (and broader disaster-resistant) custom home line from Life Corporation (株式会社ライフ), positioned for buyers with elevated concern about typhoon and structural resilience.
• 木もれ陽物語 (Komorebi Monogatari) Custom home line featuring Swiss plaster and natural wood material finishes, targeted at individual home buyers seeking natural-material aesthetics in their custom home.
• SERA-VI Gran (セラヴィ・グラン) Flagship custom home line integrating ZEH (Net Zero Energy House) design, AI-based home systems, and residential battery storage, positioned as Life Corporation's energy-and-tech-forward offering.
• ライフステージ (Life Stage) land development Residential land development projects developed in-house by Life Corporation (株式会社ライフ), providing land that can be bundled with the company's custom home construction services.
• 土地情報サービス (Land information service) Real estate brokerage and land-listing information service offered by Life Corporation (株式会社ライフ) to surface available plots to prospective home buyers.
• 不動産売却・買取サービス (Real estate sale / buyout service) Service offering by Life Corporation (株式会社ライフ) to purchase (buyout) and resell existing real estate, complementing its new-build construction business.
• 販売型モデルハウス (Sale-type model houses) Inventory model houses built by Life Corporation (株式会社ライフ) that are themselves sold as finished homes, rather than being purely display units.
• 保証・アフターサービス (Warranty and after-sales service) Post-handover warranty and after-sales support service for owners of Life Corporation (株式会社ライフ) custom-built homes, including maintenance and defect coverage.

Quantifiable outcome

• 建物初期保証20年（法律義務の10年を超える），最長60年保証延伸可能
• +3 more outcomes

Named customers4 records

Segments3 records

Ideal customer profiles1 record

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature5 records

Partnerships

Six partnerships are on record, tiered minor and core.

• ワールド・ビジョン・ザパン（World Vision Japan）minorOthers · 1 January 2009特定非営利活動法人ワールド・ビジョン・ザパンが 운영하는‘チャイルド・スポンサーシップ’に株式会社ライフの全社員が参加。途上国で暮らせる子供たちの自立を每月の支援によりサポートしている。2009年から継続的に参加。
• 株式会社シノスタイルminorStrategic or Co-development Partner木もれ陽物語専門工委店として瑞士漆喰と無垢の木の家‘木もれ陽物語’ブランドの建築を担当。株式会社ライフの住宅ブランド阵容の一つを共有する戦略的なパートナー。
• LIXIL（リクシル）coreTechnology or Integrationレグルスブランドの標準仕様として協賛企业提供。最新のシステムキッチン・システムバス・トイレ等の水回り設備を低価格かつ高品質で提供。协賛メーカーとして协賛価格での部品・設備供应を実現。
• Takara Standard（タカラスタンダード）coreTechnology or Integrationホーロー製のシステムキッチン等の設備を標準仕様として採用。協賛メーカーによる品質の高い最新設備の提供により，品牌価値向上に貢献。
• TOTOcoreTechnology or Integration卫生陶器・温水洗浄便座などの水回り製品を协賛企业提供。协賛価格での部品・設備供应により，低価格でも高品质な设备仕様を実現。
• 旭化成建材（パワーボード）coreTechnology or Integrationガルバブランドの外壁材としてヘーベルパワーボード（ALC混凝土外壁材，厚度37mm）を使用。60年以上の耐久性を持つ外壁材で，风害への耐性を実現。

Scale indicators6 records

Recent moves14 records

Expansion highlights6 records

Direct peers

• Property Agent (プロパティエージェント): Mid-cap Japanese developer of investment condominium and apartment properties with retail-investor distribution. Comparable to Life's 事業用・投資用 real estate advisory and brokerage stream serving individual investors.
• Sekisui Heim (積水ホーム): Major Japanese custom/unit home builder under Sekisui Chemical. Comparable as a long-tenured, brand-driven home builder with a multi-tier product lineup and an emphasis on energy performance (HEPAS series).
• Open House Group (オープンハウスグループ): Tokyo-centric developer and homebuilder specializing in compact urban and suburban detached housing for first-time buyers. Highly comparable in target customer (compact, value-engineered homes) and direct sales-led GTM, with overlap in the Kanto/Chiba geography.
• Asahi Kasei Homes / Hebel Haus (旭化成ホームズ): Operates the Hebel Haus brand using Hebel Power Board — the same ALC exterior wall material that Life's GALVA/4GUARD system uses as standard. Direct overlap on technology positioning and target customer.
• Iida Group Holdings (飯田グループホールディングス): Japan's largest supplier of newly built detached housing by units, with multiple sub-brands. Operates a similar model of land development, spec/built-for-sale homes, and order-built housing across the Kanto region including Chiba-adjacent markets.
• Ichijo Komuten (一条工務店): One of Japan's largest custom home builders, headquartered outside Chiba but with strong nationwide coverage. Directly comparable to Life's REGULUS and Square Gate-class order-built home offerings, competing on energy efficiency (ZEH) and price.

Broad incumbents

• Misawa Homes (ミサワホーム): Long-established Japanese homebuilder offering order-built, custom, and renovation products nationwide. Overlaps with Life across custom single-family and subdivision-adjacent detached housing but at much larger scale.
• Sumitomo Forestry (住友林業): Premium-positioned custom home builder with strong wooden-structure expertise. Comparable as an order-built home brand targeting the same mid-to-upper household segment as Life's SERA-VI Gran and REGULUS lines.
• Daiwa House Industry (大和ハウス工業): Largest Japanese homebuilder and developer. Operates custom home brands, large-scale subdivisions, and investment property programs — directly comparable to Life's land-development-plus-order-built model, though at vastly greater scale.

Regional players

• Starts Corporation (スターツコーポレーション): Tokyo/Chiba-headquartered real estate group with land development, custom housing (Starts Home), and property management arms. Overlaps with Life as a Chiba-rooted, regionally focused custom builder and subdivision developer.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat4 records

Key risks5 records

Key highlights6 records

Customer concentration

• Facebookfacebook.com/lifestageichihara
• Instagraminstagram.com/life_ichihara
• LinkedInlinkedin.com/company/%E6%A0%AA%E5%BC%8F%E4%BC%9A%E7%A4%BE%E3%83%A9%E3%82%A4%E3%83%95

Revenue estimate

Valuation estimate

Number of profiles

Profiles8 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 株式会社ライフ