If You Are Looking for a Roof Repair Contractor in Kanagawa-ku, Yokohama, Come to Kakeru Koumuten
Kakeru Koumuten is a remodeling company specializing in roof repairs and leak repairs in Yokohama.
We have handled numerous leak repairs and roof repairs in Kanagawa-ku.
If you are considering a roof renovation, please feel free to consult with Kakeru Koumuten!
We respond widely to sudden leaks after typhoons and roof repairs based on the age of the building.
For those in need in Kanagawa-ku, Yokohama, we can respond as soon as the same day, so please feel free to contact us.
How to Choose a Leak Repair Contractor
There are many leak repair contractors in Yokohama, and you may be unsure which one to choose.
Therefore, when requesting roof repairs and leak repairs, let’s check the following four points.
● Have extensive experience in roof repairs and leak repairs
● Confirm the presence of warranties and aftercare services
● Obtain estimates from multiple contractors (at least three)
● Check if they conduct leak investigations and roof repairs in-house
By confirming the above four points, you will be able to choose a reliable contractor.
Extensive Experience in Roof Repairs and Leak Repairs
Roof repair contractors often have websites that showcase their construction achievements.
The construction achievements may explain the following items, so be sure to check if similar repairs have been performed on your home.
Repair details,the process leading to the repair,materials used,repair costs,repair duration, etc.
Additionally, having detailed explanations of the repair contents with photos can provide peace of mind as it serves as a reference when you actually request repairs.
If you are concerned about whether the contractor you are about to hire will respond properly, choose a contractor with extensive repair experience.
Kakeru Koumuten Co., Ltd. specializes in roof and exterior repairs, and we receive many requests for leak repairs.
Kakeru Koumuten’s roof repair case studies in Kanagawa-ku, Yokohama
A customer living in Kanagawa-ku, Yokohama contacted us saying, “I am considering roof work and would like to replace my tile roof!”
Our Proposal
Since the existing roof was a tile roof, we proposed a roof overlay (cover method) to Super Galtect.
They were satisfied with the cost and plan, and entrusted the work to us!
Check for Warranty and After-Service
When choosing a leak repair contractor, make sure to check for warranty availability.
Leak repairs can recur even after being fixed once, so if you have to request repairs each time a leak reoccurs, it can lead to significant expenses.
For this reason, if the contractor has a warranty period, repairs may be done for free within that warranty period.
The warranty period varies by contractor and type of work, but it is generally set between 1 to 10 years.
Emergency repairs or partial fixes often do not come with a leak warranty.
Additionally, some contractors offer after-service separate from the warranty, so be sure to check if the contractor you are considering has warranty andafter-service.
Kakeru Koumuten Co., Ltd. provides a leak warranty for roof overlay (cover method) and roof replacement work.
Similarly, for exterior walls, a leak warranty is included for exterior wall cover work, replacement work, and joint sealing work.
As part of our aftercare, we send out annual DM,
allowing for yearly inspections.
Obtain estimates from multiple contractors (at least 3 companies)
When requesting roof renovations or leak repairs, be sure to obtain estimates from multiple contractors.
Even for the same repair, costs may vary between contractors, and warranties and after-services may differ.
Additionally, obtaining multiple estimates makes price negotiations easier.
To request your desired contractor at a lower price, obtaining estimates from multiple companies is essential.
If a leak occurs, it’s natural to feel anxious, but
first, perform temporary measures, and if construction is necessary, calmly consider your options to ensure you won’t regret your choice!
Kakeru Koumuten is happy to assist with temporary measures for leaks!
Check if the company conducts leak investigations and roof repairs in-house
Leaks can sometimes be easily identified, while in other cases, the source of the leak may be difficult to pinpoint, requiring knowledge and experience.
Contractors that completely outsource roof repairs and leak repairs may lack the necessary knowledge and experience, leading to repairs in the wrong areas or suggesting ineffective leak repairs.
Moreover, having to investigate and then request a subcontractor adds extra time and costs.
By having the knowledge and experience to conduct the work in-house, we can provide prompt and cost-effective responsible leak repairs.
Kakeru Koumuten conducts leak investigations and construction in-house!
About the costs of leak repair work
The table below shows the average costs for areas prone to leaks.
|
Repair Details |
Average Cost |
|
Replacement of part of roofing material |
20,000 to 200,000 yen |
|
Roof replacement (re-roofing) |
500,000 yen and up |
|
Roof overlay (cover method) |
400,000 yen and up |
|
Replacement and repair of ridge metal |
10,000 yen and up |
|
Skylight repair |
10,000 yen and up |
|
Exterior wall and joint repair |
10,000 yen and up |
|
Repair of cap metal |
10,000 yen and up |
|
Waterproofing work for balconies and rooftops |
80,000 yen and up |
For detailed pricing, click here!!
For exterior renovations in Aoba-ku, Yokohama, click here!
For exterior wall painting in Aoba-ku, Yokohama, click here!!
For roof renovations in Aoba-ku, Yokohama, click here!
For exterior wall overlay work in Aoba-ku, Yokohama, click here!
About Kakeru Koumuten
Kakeru Koumuten Co., Ltd. is a remodeling company based in Aoba-ku, Yokohama, Kanagawa Prefecture, specializing in roofing, painting, and scaffolding work with completely in-house construction.
By assembling our own temporary scaffolding, we can perform roof repairs quickly and cost-effectively, allowing for prompt leak repairs.
Company Introduction


● We store scaffolding materials!
Since we can set up temporary scaffolding in-house, we can perform roof repairs quickly.


● We store materials and tools related to roof and painting work!
We have all the necessary components for leak repairs, allowing us to respond quickly!
Customer Reviews
Service Areas
Kakeru Koumuten Co., Ltd. accepts requests throughout Kanagawa Prefecture and all of Tokyo.
Contact page for Kakeru Koumuten Co., Ltd. is here!
List of Areas in Kanagawa-ku, Yokohama
Subsidies and Grants Available for Leak Repairs in Kanagawa-ku, Yokohama
In Kanagawa-ku, Yokohama, the following subsidies may be available for leak repairs. For details, please contact our company or your local government. (As of February 2025)
This program aims to create a safe city resilient to earthquakes by conducting “seismic diagnosis” of wooden private houses in Yokohama. The city dispatches “certified wooden house seismic diagnosticians” approved by the mayor to residents who wish to have a seismic diagnosis, providing support for citizens’ seismic measures.

https://www.city.yokohama.lg.jp/business/bunyabetsu/kenchiku/bosai/taishin/hojokinshienseido/mokutai/taishin/mokushindan.html
The Aoba-ku, Yokohama Wooden House Earthquake Renovation Promotion Project is a system where the city subsidizes part of the costs for earthquake renovation work on wooden individual homes.
About the Aoba-ku, Yokohama Wooden House Earthquake Renovation Subsidy System
https://www.city.yokohama.lg.jp/business/bunyabetsu/kenchiku/bosai/taishin/hojokinshienseido/mokutai/mokukaishu/mokukaishu.html
Features of Kanagawa-ku, Yokohama
Kanagawa-ku is a region where urban convenience and natural richness are harmonized, characterized by excellent transportation access, allowing easy movement to other areas using public transportation and road networks.
With multiple commercial facilities, shopping and dining can be enjoyed casually, while quiet residential areas and lush parks provide a calm living environment. Additionally, there are historical streets and facilities that allow one to feel the region’s background and culture. In terms of residential environment, it is an area where a wide range of generations, including families, single households, and elderly households, can live comfortably.
Furthermore, multicultural exchanges are also a notable feature seen in daily life.
Kanagawa-ku, where convenience, history, nature, and diversity coexist in a well-balanced manner, is recognized as a region that combines livability and enjoyment!
Our company conducts roofing work in Kanagawa-ku, Yokohama, including partial sealing repairs for leaks, roof overlay work, and complete roof replacement, all carried out by our own team!
If you have any concerns or questions about your roof, or if there are aspects of your roof that you are dissatisfied with, please feel free to contact us!
Summary
We handle a lot of roofing work in Kanagawa-ku, Yokohama.
We are happy to assist with roof overlay work, roof replacement, leak repairs, and other partial roof repairs!
“I just need a temporary fix for the leak”
“I want to repair my broken roof”
“I want to implement overall leak prevention measures for the building”
We will provide the best solutions for your specific requests.
Estimates and inspections are, of course, free!
We carry out everything from temporary scaffolding work to roofing and exterior painting completely in-house.
We are confident that our costs, quality, and efficiency in exterior work are unmatched compared to other companies!
We welcome competitive estimates!
We look forward to your inquiries. Thank you very much.
AAA is a young company with an average age in the early 20s, but our technology is second to none.
One of our greatest strengths is that we can do all of our own scaffolding, roofing, and painting work. In this industry, where work is generally divided, we are able to provide a complete set of services, which saves time and effort in management and reduces costs. Above all, if there is any trouble, we will come to you right away!
We can confidently declare this. We are the youngest and most friendly renovator in Kanagawa!




