Achieve Your Ideal Lifestyle in Lake Toya, Hokkaido: Top Recommended Renovation Companies
2025.06.18
Lake Toya in Hokkaido is a renowned resort area that combines the beauty of nature with hot spring culture.
In recent years, it has also become a popular destination among affluent buyers seeking second homes or income-generating vacation rentals.
One emerging trend is purchasing older properties and renovating them into stylish villas or minpaku (private lodging) accommodations.
To ensure the success of a renovation or remodeling project in Lake Toya, it is essential to work with a partner who understands the local climate and construction practices.
In this article, we introduce 8 highly recommended builders and renovation companies in the Lake Toya area.
We also highlight the strengths of JANKEN Renovation, a professional team with deep expertise in vacation rental operations.
Contents
- 1 The Potential of Vacation Rental Renovations in Lake Toya, Hokkaido
- 2 3 Key Points for Choosing the Right Renovation Company in Lake Toya, Hokkaido
- 3 8 Recommended Renovation and Remodeling Companies in Lake Toya
- 3.1 Takahashi Kensetsu｜A Trusted Local Contractor Based in Lake Toya Town
- 3.2 Takashimizu Kensetsu｜Specialist in High-Insulation Homes and Renovations
- 3.3 Sumai no Katō｜A Comprehensive Local Builder for New Homes and Renovations
- 3.4 Sunpax｜Log House Experts Offering High Durability at Low Cost
- 3.5 Watanabe Komuten｜Trusted Construction Company Serving Muroran and Beyond – From New Builds to Renovations
- 3.6 Narisawa Komuten｜Ideal for Custom-Built Homes Around Muroran
- 3.7 Komatsu Kensetsu (Date City)｜Sustainable Renovations Using Natural Local Materials
- 3.8 Asamizu Kensetsu (Date City)｜A Comprehensive Construction Firm Supporting “Better Living”
- 4 Renovate Your Vacation Rental or Second Home in Lake Toya, Hokkaido with JANKEN
- 5 Summary｜Achieve Your Dream Home in Lake Toya Through Thoughtful Renovation
The Potential of Vacation Rental Renovations in Lake Toya, Hokkaido
Lake Toya is one of Hokkaido’s most scenic destinations, known for its breathtaking landscapes created by volcanoes and lakes.
The area attracts both domestic and international tourists year-round, with highlights like Lake Toya Hot Springs, Sairo Observatory, and Mount Showa-Shinzan.
Because of this, it’s also highly regarded as a second-home destination, especially among wealthy individuals looking for tranquility in nature.
As tourism demand rises, so does interest in property investment.
More and more buyers are acquiring older homes or vacant houses and converting them into vacation rentals or private villas.
This type of high-value minpaku targeting international guests requires not only functional improvements but also stylish designs and high levels of comfort to truly maximize the property’s potential as a profitable asset.
3 Key Points for Choosing the Right Renovation Company in Lake Toya, Hokkaido
To succeed in your renovation or remodeling project in Lake Toya, selecting the right construction company or contractor is crucial.
Choosing based solely on low prices or proximity can lead to regrets later on.
Especially if your goal is to create a vacation rental or second home as an investment, factors such as design quality, profitability, and post-renovation support must be considered.
Here are three essential points to help you choose a trustworthy renovation partner in Lake Toya.
Local Experience and Specialization: Match the Right Contractor to Your Needs
Lake Toya is a unique region surrounded by nature, requiring renovations that consider the local climate, terrain, and plumbing conditions.
That’s why we recommend companies with proven experience in the Lake Toya area.
Firms that specialize in full renovations, traditional home restorations, or water-related remodeling offer added peace of mind.
Be sure to review past project photos and customer feedback to assess their credibility.
The Benefits of Kominka Vacation Rentals in Hokkaido | Renovation and Business Success Strategies
Design and Planning Capabilities: Profit-Oriented, with Global Appeal
If you’re aiming to convert your property into a vacation rental or luxury second home, the design must capture guests’ attention and enhance their comfort.
Beyond visual appeal, consider features like cleaning efficiency, intuitive layouts, and Instagrammable design.
Companies with in-house designers or strong proposal skills based on client interviews are ideal for maximizing your property’s value.
Learn more: Why Interior Coordination Matters
Transparent Pricing and Reliable After-Sales Support
To determine whether pricing is fair, check if the quote includes a clear cost breakdown.
Avoid companies that are vague about additional charges or warranty coverage.
For long-term peace of mind, post-renovation maintenance and periodic inspections are also important.
This is especially crucial for overseas owners, who need fast and dependable local support to manage their property remotely.
Learn more: Vacation Rental Renovation Costs & Success Tips
8 Recommended Renovation and Remodeling Companies in Lake Toya
The Lake Toya area is home to numerous reliable and locally rooted construction companies and contractors.
These firms possess specialized knowledge in building for cold climates and offer services ranging from home renovations and remodels to new construction.
From among them, we’ve selected eight highly recommended companies known for their proven track record and strong ability to propose tailored solutions.
They are trusted partners for those planning to renovate a second home or launch a vacation rental property in the Lake Toya area.
Compare the strengths of each company and find the perfect match to help bring your ideal living space to life.
Takahashi Kensetsu｜A Trusted Local Contractor Based in Lake Toya Town
Quated from https://takahashi-kensetu.net/
Located on the shores of Lake Toya in Hokkaido, Takahashi Kensetsu is known for its high-quality workmanship rooted in the local environment.
The company mainly handles public construction projects, making it an ideal choice for clients seeking large-scale renovations or new builds.
With a team of skilled local craftsmen and a reputation for sincere service, they have earned strong trust through word-of-mouth and repeat clients.
| Company Name | Takahashi Kensetsu Co., Ltd. |
| Address | 37 Toya Town, Toyako-cho, Abuta-gun, Hokkaido |
| Contact | 0142-82-5211 |
| Website | https://takahashi-kensetu.net/ |
| Service Area | Toyako Town, Date City |
| Services | Civil engineering, stone construction |
Takashimizu Kensetsu｜Specialist in High-Insulation Homes and Renovations
Quated from http://takashimizu.jp/
Takashimizu Kensetsu focuses on energy-efficient and comfortable housing under the concept of “Warm living, even in Hokkaido winters.”
The company offers high-insulation and airtight construction, ideal for cold climates, and supports both new builds and performance-enhancing renovations.
They also have experience with public and commercial buildings, adding further credibility and reliability.
| Company Name | Takashimizu Kensetsu Co., Ltd. |
| Address | 162-3 Irie, Toyako-cho, Abuta-gun, Hokkaido |
| Contact | 0142-76-2331 |
| Website | http://takashimizu.jp/ |
| Service Area | Toyako Town, Date City |
| Services | General construction including new builds, renovations, barrier-free remodeling, exterior and interior repairs, facility maintenance, and landscaping |
Sumai no Katō｜A Comprehensive Local Builder for New Homes and Renovations
Wuated from https://katohouse21.com/
Operated by Katō Kensetsu, this trusted local builder offers full-service solutions including new construction, expansions, plumbing, and exterior work.
All homes come standard with high insulation, airtight design, structural reinforcement, and anti-sick house measures.
They also cater to second homes and vacation rentals, with flexible consultation tailored to each client’s lifestyle.
| Company Name | Katō Construction Co., Ltd. |
| Address | 163-24 Irie, Toyako-cho, Abuta-gun, Hokkaido |
| Contact | 0142-76-3829 |
| Website | https://katohouse21.com/ |
| Service Area | Toyako Town |
| Services | New builds, additions, renovations, elderly care-related renovations, interior finishing (wallpaper, fusuma, tatami), fixtures, painting, sewage and exterior works |
Sunpax｜Log House Experts Offering High Durability at Low Cost
Quated from https://www.sunpax.jp/
Based in Muroran, Sunpax is a rare specialist in log house construction in Hokkaido.
They manufacture high-durability log cabins using laminated logs with less than 15% moisture content—ensuring longevity and cost efficiency.
With in-house pre-cutting systems and self-build options available, Sunpax is ideal for building unique vacation rentals or hobby homes.
| Company Name | Sunpax Co., Ltd. |
| Address | 387-23 Sakimori-cho, Muroran City, Hokkaido |
| Contact | 0143-55-4321 |
| Website | https://www.sunpax.jp/ |
| Service Area | Muroran, Toyako, Date, and surrounding areas |
| Services | Design and construction of log houses, manufacturing of wooden interior parts, windows, doors; import and sales of construction materials |
Watanabe Komuten｜Trusted Construction Company Serving Muroran and Beyond – From New Builds to Renovations
Quated from https://www.watanabe-homes.co.jp/
Watanabe Komuten is a locally rooted construction company headquartered in Tomakomai with a branch office in Muroran.
It specializes in energy-efficient housing using the “FAS Method,” known for its superior insulation and cost-saving thermal performance, which reduces heating and cooling expenses.
The company also offers comprehensive after-sales services, including ground warranty, defect liability insurance, and regular inspections—making it a reliable choice for homeowners.
| Company Name | Watanabe Komuten Co., Ltd. |
| Address | 1-30-19 Hachijo-daira, Muroran City, Hokkaido (Muroran Office) |
| Contact | +81-143-83-7639 |
| Website | https://www.watanabe-homes.co.jp/ |
| Service Area | Tomakomai, Chitose, Eniwa, Noboribetsu, Muroran, Shiraoi, Atsuma, Mukawa, Abira, Naganuma, and surrounding areas |
| Services | Custom home design and construction, pre-designed housing, home renovations, apartment and commercial building construction, public works projects for Tomakomai City |
Narisawa Komuten｜Ideal for Custom-Built Homes Around Muroran
Quated from https://www.narisawakoumuten.jp/
Narisawa Komuten is a construction company based in Muroran that also handles residential, commercial, and office space renovations.
It’s highly regarded for its expertise in custom homes, providing flexible planning tailored to each client’s needs and budget.
The company is skilled in a wide range of construction work, from traditional wooden homes to comprehensive renovations, and is known for dependable craftsmanship.
| Company Name | Narisawa Komuten Co., Ltd. |
| Address | 2-4-6 Funami-cho, Muroran City, Hokkaido |
| Contact | +81-143-23-1782 |
| Website | https://www.narisawakoumuten.jp/ |
| Service Area | Muroran, Date, Noboribetsu (West Iburi Region) |
| Services | Civil engineering, architectural construction, carpentry work, scaffolding and groundwork, interior finishing, demolition |
Komatsu Kensetsu (Date City)｜Sustainable Renovations Using Natural Local Materials
Quated from https://komatsukensetsu.co.jp/
Komatsu Kensetsu promotes its signature “Komatsu Style” homes, which incorporate local natural materials such as larch wood and scallop shell plaster.
The company actively integrates renewable energy technologies like OM solar systems, offering eco-friendly and distinctive renovation designs ideal for luxury second homes.
It also hosts design collaboration events with architects, providing clients with creative and inspiring renovation ideas.
| Company Name | Komatsu Kensetsu Co., Ltd. |
| Address | 105 Nishiki-cho, Date City, Hokkaido |
| Contact | +81-142-23-2043 |
| Website | https://komatsukensetsu.co.jp/ |
| Service Area | Lake Toya Town, Date City |
| Services | Custom home design and construction, private-sector building construction, government construction projects, renovations and remodeling, real estate development |
Asamizu Kensetsu (Date City)｜A Comprehensive Construction Firm Supporting “Better Living”
Quated from https://am-homes.net/
Asamizu Kensetsu specializes in imported-style homes and handles a wide range of projects from new builds to renovations of pre-owned properties.
They excel in flexible design solutions such as ZEH (Net Zero Energy Homes), single-story homes, and custom interiors using international materials.
Their ability to coordinate furniture, fixtures, and home décor makes them a one-stop partner for creating fully integrated living spaces.
| Company Name | Asamizu Kensetsu Co., Ltd. |
| Address | 2F, Living Plaza “Kurashi no Mori,” 48-1 Kashima-cho, Date City, Hokkaido |
| Contact | +81-142-23-7285 |
| Website | https://am-homes.net/ |
| Service Area | Muroran, Date, Noboribetsu, Lake Toya Town |
| Services | General construction work import, manufacture, and sales of building materials, housing equipment, furniture, and interior/exterior decor; civil engineering, landscaping, interior finishing; real estate transactions and management regional and urban development insurance agency services |
Renovate Your Vacation Rental or Second Home in Lake Toya, Hokkaido with JANKEN
If you’re considering renovating a property near Lake Toya in Hokkaido for use as a vacation rental or second home, we highly recommend “JANKEN” — a specialist team offering both renovation and hospitality operations support.
JANKEN is a rare professional group in Japan that combines proven experience in hospitality management across Hokkaido with a strong focus on vacation rental investment strategies and multilingual support for overseas property owners.
With over 500 renovation and operational support projects completed in areas like Niseko, Kutchan, and Furano, JANKEN is now bringing that expertise to Lake Toya.
From property inspection and permit acquisition to architectural design, construction, and rental operation support, JANKEN provides total one-stop service.
Why Investors Choose JANKEN for Vacation Rental Renovations
- ■ Design for High Occupancy and Visual Impact
We create visually appealing exteriors, lighting, and layouts to enhance your property’s performance on OTA platforms like Airbnb and Booking.com.
- ■ Guest-Centered Comfort and Functionality
From thermal insulation and heating efficiency to bathrooms, storage, and flow, our designs elevate guest satisfaction and boost reviews and return visits.
- ■ Interior Coordination to Maximize Room Rates
- We provide cohesive design using furniture, lighting, and textiles to enhance your brand and increase nightly pricing.
- ■ Profit-Focused Renovations for Investors
- We propose renovation plans optimized for ROI, eliminating unnecessary costs and maximizing profitability based on local conditions and building structure.
- ■ Full Administrative Support
We handle all legal and bureaucratic tasks including change of use applications, lodging permits, and fire safety compliance—ideal for non-resident or overseas owners.
JANKEN doesn’t just renovate. We build vacation rental spaces that succeed as investments.
We support multilingual communication (English, Traditional Chinese, etc.) and remote project management via Zoom or WhatsApp.
Learn more about JANKEN’s renovation services
See case studies & layout ideas
Thinking About a Renovation in Lake Toya? Get a Free Quote or Consultation
If you’re considering new construction or renovations in the Lake Toya area, the first step is reaching out for a consultation or estimate from a reliable contractor.
Sharing your goals, budget, and design preferences in advance allows for more realistic and actionable planning.
Do any of these apply to you?
- You own a pre-owned villa or house around Lake Toya
- You live overseas but want to invest in a vacation rental
- You’re unsure how to monetize your property
- You need help navigating Japan’s regulatory procedures
If so, JANKEN offers comprehensive support covering everything from site inspection to design, construction, legal procedures, and marketing.
We also offer multilingual contact options via our website or WhatsApp for your convenience.
Summary｜Achieve Your Dream Home in Lake Toya Through Thoughtful Renovation
Renovating or remodeling in Lake Toya is not just about creating a comfortable home surrounded by Hokkaido’s breathtaking natural beauty—it also presents an excellent opportunity for real estate investment, particularly in the vacation rental and second-home market.
The key to success lies in choosing a trusted local contractor who understands the region’s climate, regulations, and construction standards.
Equally important is clearly communicating your vision and goals with your renovation partner from the start.
By working with one of the eight highly reputable local construction companies introduced in this guide—or with a specialized firm like JANKEN, which offers one-stop support from renovation to full vacation rental management—you can ensure a smooth, profitable, and stress-free renovation experience.
Whether you’re aiming to build your dream lifestyle in Lake Toya or seeking a solid return on investment through vacation rental properties, start by consulting with the right professionals.
Looking for top renovation companies in Furano?
→ Check out our top 6 recommended firms in Furano.
Searching for builders in Kutchan or Niseko?
→ Explore expert construction and renovation teams here.
