
Protecting Buildings Through Maintenance of Plumbing Systems
From renovation work and inspections to cleaning,
we protect your building’s safety and reliability
with more than 40 years of experience.
Renovation Facility Renovation Work
Water Supply and Drainage Pipe Replacement and Rehabilitation
Water Supply System Conversions and Pump Replacement
Water Storage Tank Renewal and Repair, and More
Inspection
Various Inspection Services
for Apartments and Buildings
Plumbing System Inspections
Statutory Inspections, Including Building Water Tank System Inspections
Common-Area Equipment Inspections
About Us
About Us We are AMCON, a plumbing system maintenance company.
Through the maintenance of plumbing systems in apartment buildings, commercial buildings, and other properties, AMCON supports the stable operation of buildings.
We provide maintenance tailored to each building’s use and equipment condition for property management companies, condominium management associations, and personnel responsible for managing their company’s own facilities.
-
40Years
More Than 40 Years
of Proven Experience -
24Hour
Emergency Response Available
For Contract Customers Only -
1
One Point of Contact
From Renovation Work to Inspections and Cleaning
Why Choose AMCON 01
Looking Ahead with
Experience and Expertise
Drawing on more than 40 years of experience and technical expertise, we detect abnormalities early and recommend measures to help prevent future problems.

Why Choose AMCON 02
One-Stop Support
for Plumbing System Concerns
We provide integrated support through a single point of contact, from renovation work, inspections, and cleaning to water quality testing.

Why Choose AMCON 03
Care in Every Detail
We work with consideration for residents and building users, taking care of everything from safety measures and noise control to thorough cleanup after the work is complete.

Reason Why AMCON
Why Customers Choose AMCON
Maintenance of plumbing systems requires an accurate assessment of equipment conditions and solutions that take the building’s future into account. Here are three reasons why customers have continued to choose AMCON over the years.
Why Choose AMCON 02
One-Stop Support
for Plumbing System
Concerns
We provide integrated support through a single point of contact, from renovation work, inspections, and cleaning to water quality testing.

Service
AMCON: Your Single Point of Contact
for All Plumbing System Needs
Services01

Services01 Facility Renovation Work
Water Supply and Drainage Pipe Replacement and Rehabilitation
Water Supply System Conversions and Pump Replacement
Water Storage Tank Renewal and Repair, and More
Services02

Services02 Various Inspection Services for Apartments and Buildings
Plumbing System Inspections
Statutory Inspections, Including Building Water Tank System Inspections
Common-Area Equipment Inspections
Services03

Services03
24-Hour Emergency Maintenance
Support + Periodic Inspections
Plans Combining 24/7, 365-Day Emergency Response with Periodic Inspections
Services04

Services04 Plumbing System Cleaning Services
Water Storage Tank Cleaning
Graywater Drainage Pipe Cleaning
Drainage Tank Cleaning
Including Sewage Tanks and Graywater Drainage Tanks
Case Case Studies
CONTACT
Count on AMCON for
Plumbing System Problems
For Urgent Assistance,
Please Call Us
(Japanese only)
- Office Hours
-
Weekdays, 9:00 a.m.–5:00 p.m.
24-hour emergency response available
(for contract customers only)
Point About Plumbing Systems
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01 Types of Plumbing Systems and Maintenance Inspection Points
An easy-to-understand guide to the roles of water supply, drainage, and venting systems, along with key points for inspection and renewal.
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02 Laws, Inspections, and Cleaning Obligations Related to Plumbing Systems
An overview of laws related to plumbing systems, including inspection and cleaning requirements and frequencies.
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03 Tips for Selecting a Plumbing System Maintenance Contractor
Tips for choosing a reliable contractor based on qualifications, proposal capabilities, and emergency response systems.
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04
Emergency Response
and Trouble Response
A guide to the initial response, restoration process, and recurrence prevention measures for water leaks, blockages, and water outages.
Search Solutions by Customer Type
Property Management Companies and
Condominium Management Associations
One-Stop Support for
Your Plumbing System Concerns
Tailored to the characteristics of each property, we handle everything from cleaning and inspections to renovation work. You can also rely on us to prepare notices for residents and provide detailed photo reports.
Facility Management Personnel
for Your Company’s Own Facilities
Supporting Stable Facility Operations
Through Plumbing Systems
We propose cleaning, inspections, and renovation work tailored to each facility’s use and operating conditions. Our work schedules are carefully planned to minimize the impact on facility operations.
Area Service Area
Area
- Tokyo
- Kanagawa
- Chiba
- Saitama
- Yamanashi
- Shizuoka
Facility renovation work, inspection services, and cleaning services are available throughout Tokyo, Kanagawa, Saitama, and Yamanashi Prefectures, as well as in selected areas of Chiba and Shizuoka Prefectures.
Our 24-hour emergency response and periodic inspection plan is available in Tokyo’s 23 wards, Yokohama, and Kawasaki.
Please feel free to contact us for details about service areas.

Flow Service Flow
STEP 01
Inquiry and Consultation
STEP 02
Needs Assessment and
On-Site Inspection,
as Needed
STEP 03
Proposal and Quotation
STEP 04
Service Order
and Preparation
STEP 05
Service Delivery
and Start of Operations

Company Company Information
Founded in 1974, AMCON operates a range of water- and environment-related businesses, including plumbing system maintenance.