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Last updated on March 5, 2025.

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Results of comprehensive external audits

Results of comprehensive external audit for fiscal 2024

Details of audit results
ThemeExecution of financial affairs related to outsourcing
Comprehensive External AuditorKanako Sakurayama (Certified Public Accountant)
Target Departments

Zero Carbon and GREEN×EXPO Promotion Bureau, General Affairs Bureau, Digital Government Headquarters, International Affairs Bureau, Civic Affairs Bureau, Sports, Culture and Dynamic City Development Bureau, Economic Affairs Bureau. Child and Youth Bureau, Health and Social Welfare Bureau, Resources and Waste Recycling Bureau, Urban Development Bureau, Kohoku Ward, Sakae Ward and Finance Bureau

Target period

As a general rule, FY2023
If necessary, include executions prior to FY2022 and FY2024.

Implementation periodFrom June 10, 2024 to February 19, 2025
Results of audit

2024 Comprehensive External Audit Report (PDF: 2,273KB)
Reference press release page

Date of publicationMarch 5, 2025
Details of audit results
ThemeAbout management of business related to medical provision of Yokohama-shi and execution of financial affairs
Comprehensive External AuditorTakumi Takahara (Certified Public Accountant and Tax Accountant)
Target Departments

Policy Bureau, Medical Care Bureau and Medical Care Bureau Hospital Administration Headquarters, Japanese Red Cross Society, Yokohama City University (limited to Yokohama City University Hospital and Yokohama City University Medical Center)

Target period

As a general rule, FY2022
If necessary, include executions prior to FY2021 and FY2023

Implementation periodFrom June 6, 2023 to February 21, 2024
Results of audit

2023 Comprehensive External Audit Report (PDF: 4,440KB)
Reference press release page

Date of publicationMarch 15, 2024
Details of audit results
ThemeAbout the execution situation of finance in maintenance, maintenance about park, green tract of land and park facilities of Yokohama-shi
Comprehensive External AuditorTakumi Takahara (Certified Public Accountant and Tax Accountant)
Target Departments

Environmental Planning Bureau, Kanazawa Ward, Kohoku Ward, Yokohama City Greenery Association, Yokohama City Kyudo Association Group and Yokohama Ueki Co., Ltd.

Target period

As a general rule, FY2021
If necessary, include executions prior to FY2020 and FY2022

Implementation periodFrom June 21, 2022 to February 16, 2023
 

2022 Comprehensive External Audit Report (PDF: 4,949KB)
Reference press release page

Date of publication

March 3, 2023

Details of audit results
ThemeAbout execution of office work about designated manager system and management administration of target facilities
Comprehensive External AuditorTakumi Takahara (Certified Public Accountant and Tax Accountant)
Target Departments

18 wards, Policy Bureau, Civic Affairs Bureau, Culture and Tourism Bureau, Health and Social Welfare Bureau, Environmental Planning Bureau, Road and Highway Bureau, Port and Harbor Bureau, Board of Education Secretariat and 32 designated managers of public facilities

Target period

As a general rule, FY2020
If necessary, include executions prior to FY2019 and FY2021

Implementation periodFrom June 28, 2021 to February 21, 2022
Results of audit

2021 Comprehensive External Audit Report (PDF: 6,980KB)
Reference press release page

Date of publication

March 4, 2022

Details of audit results
Theme About business management of sewer business
Comprehensive External Auditor Takashi Tanemura (Certified Public Accountant)
Target Departments Environmental Planning Bureau
Target period

 As a general rule, FY2019
 If necessary, it will be covered before FY2018 and FY2020.

Implementation period From July 1, 2020 to February 24, 2021
Results of audit

 Report on the results of the 2020 Comprehensive External Audit (PDF: 7,963KB)
 Reference press release page

Date of publication March 15, 2021
Details of audit results
Theme Execution of financial affairs related to education and management of business related to management
Comprehensive External Auditor Takashi Tanemura (Certified Public Accountant)
Target Departments Board of Education Secretariat, Yokohama School Food Education Foundation
Target period

 As a general rule, FY2018
 If necessary, it will be covered before FY2017 and FY2019.

Implementation period From June 17, 2019 to February 20, 2020
Results of audit

 Report on the results of comprehensive external audits in FY2019 (PDF: 9,364KB)
 Reference press release page

Date of publication March 5, 2020
Details of audit results
Theme  Execution of financial affairs related to the management of business related to child and child care support
Comprehensive External Auditor  Takashi Tanemura (Certified Public Accountant)
Target Departments  Child and Youth Bureau
Target period

 As a general rule, FY2017
 If necessary, we will also cover FY2016 and FY2018.

Implementation period  From July 9, 2018 to March 1, 2019
Results of audit

 Report on the results of the 2018 Comprehensive External Audit (PDF: 1,256KB)
 Reference press release materials (PDF: 213KB)

Date of publication  March 1, 2019

Details of audit results
Theme

About water supply business and industrial water supply business

Comprehensive External Auditor

Tsunehiro Oki (Certified Public Accountant)

Target Departments

Water Works Bureau, Yokohama Water Co., Ltd.

Target period

As a general rule, FY2016 (from April 1, 2016 to March 31, 2017) However, as necessary, the executions before FY2015 and FY2017 are included.

Implementation periodFrom May 11, 2017 to February 8, 2018
Results of audit2017 comprehensive external audit results (PDF: 3,836KB)
Reference Press Release Material (PDF: 366KB)
Date of publicationFebruary 8, 2018
Details of audit results
Theme

About transportation business

Comprehensive External Auditor

Tsunehiro Oki (Certified Public Accountant)

Target Departments

Transportation Bureau, Child and Youth Bureau, Health and Social Welfare Bureau, Urban Development Bureau, Road and Highway Bureau, Yokohama Transport Development Co., Ltd.

Target period

As a general rule, FY2015 (from April 1, 2015 to March 31, 2016) However, as necessary, the executions before FY2014 and FY2016 are included.

Implementation periodFrom May 9, 2016 to February 6, 2017
Results of audit2016 comprehensive external audit results (PDF: 2,709KB)
Reference press release materials (PDF: 373KB)
Date of publicationFebruary 6, 2017
Details of audit results
Theme

Management and operation of public property (real estate)

Comprehensive External Auditor

Tsunehiro Oki (Certified Public Accountant)

Target Departments

Nishi Ward, Minami Ward, Hodogaya Ward, Kohoku Ward, Aoba Ward, Policy Bureau, Finance Bureau, Civic Affairs Bureau, Culture and Tourism Bureau. Environmental Planning Bureau, Housing and Architecture Bureau, Port and Harbor Bureau, Board of Education Secretariat, Yokohama Greenery Association, Konami Sports & Life Tokyu Community Consortium Non-profit organization Minami Kumin Utilization Facility Association, Non-Profit Organization Workers Corp, Yokohama City Sports Association Management JV (Harima Vistem, Tokyo Business Services, Shintai Security, Somi Nishida) Consortium, Yokohama City Sports Association, Sumitomo Realty & Development Esforta Group

Target period

As a general rule, FY2014 (from April 1, 2014 to March 31, 2015) However, as necessary, the executions before FY2013 and FY2015 are included.

Implementation periodFrom July 27, 2015 to February 23, 2016
Results of audit2015 comprehensive external audit results (PDF: 5,591KB)
Reference press release materials (PDF: 393KB)
Date of publicationFebruary 23, 2016
Details of audit results
Theme

Execution of financial affairs related to promotion business of tourism and creative city strategy

Comprehensive External Auditor

Mitsuaki Inoue (Certified Public Accountant)

Target Departments

Culture and Tourism Bureau, Yokohama City Arts and Culture Foundation, Yokohama Tourism Convention Bureau

Target period

As a general rule, FY2013 (from April 1, 2013 to March 31, 2014) However, as necessary, this includes executions before FY2012 and FY2014.

Implementation periodFrom July 14, 2014 to February 18, 2015
Results of audit2014 comprehensive external audit results (PDF: 4,147KB)
Result report (summary version) (PDF: 600KB)
Reference Press Release Material (PDF: 330KB)
Date of publicationFebruary 18, 2015
Details of audit results
Theme

Execution of financial affairs of business related to welfare for the elderly

Comprehensive External Auditor

Mitsuaki Inoue (Certified Public Accountant)

Target Departments

Health and Social Welfare Bureau, Japan National Council of Social Welfare, Tsurumi Ward, Kanagawa Ward, Nishi Ward, Naka Ward, Minami Ward, Konan Ward, Hodogaya Ward, etc. Asahi Ward, Isogo Ward, Kanazawa Ward, Kohoku Ward, Midori Ward, Aoba Ward, Tsuzuki Ward  , Totsuka Ward, Sakae Ward, Izumi Ward, Seya Ward

Target period

As a general rule, FY2012 (from April 1, 2012 to March 31, 2013) However, as necessary, this includes executions before FY2011 and FY2013.

Implementation periodFrom July 4, 2013 to March 31, 2014
Results of audit2013 comprehensive external audit results (PDF: 1,881KB)
Result report (summary version) (PDF: 676KB)
Reference Press Release Material (PDF: 394KB)
Date of publicationFebruary 20, 2014
Details of audit results
Theme

Execution of financial affairs related to SME promotion measures

Comprehensive External Auditor

Mitsuaki Inoue (Certified Public Accountant)

Target Departments

Economic Affairs Bureau, Yokohama Corporate Management Support Foundation, Yokohama Credit Guarantee Association, Kihara Memorial Yokohama Life Science Foundation

Target period

As a general rule, FY2011 (from April 1, 2011 to March 31, 2012) However, as necessary, this includes executions before FY2010 and FY2012.

Implementation periodFrom July 17, 2012 to January 28, 2013
Results of audit2012 comprehensive external audit results (PDF: 5,486KB)
Result report (summary version) (PDF: 712KB)
Reference Press Release Material (PDF: 387KB)
Date of publicationFebruary 4, 2013
Details of audit results
Theme

About execution of financial affairs related to sewerage business

Comprehensive External Auditor

Fuminori Nakamoto (Certified Public Accountant)

Target Departments

Environmental Planning Bureau, Water Works Bureau and Finance Bureau

Target period

As a general rule, FY2010 (from April 1, 2010 to March 31, 2011) However, as necessary, this includes executions before FY2009 and FY2011.

Implementation periodFrom June 27, 2011 to February 3, 2012
Results of audit2011 Comprehensive External Audit Results (PDF: 5,642KB)
Result report (summary version) (PDF: 868KB)
Reference Press Release Material (PDF: 19KB)
Date of publicationFebruary 13, 2012
Details of audit results
Theme

Financial affairs related to Municipal Housing

Comprehensive External Auditor

Fuminori Nakamoto (Certified Public Accountant)

Target Departments

Housing and Architecture Bureau, Urban Development Bureau and Yokohama City Housing Supply Corporation

Target period

As a general rule, fiscal 2009 (from April 1, 2009 to March 31, 2010) However, as necessary, this includes executions before fiscal 2008 and fiscal 2010.

Implementation periodFrom July 13, 2010 to February 4, 2011
Results of audit2010 Comprehensive External Audit Results (PDF: 4,450KB)
Result report (summary version) (PDF: 1,040KB)
Reference Press Release Material (PDF: 193KB)
Date of publicationFebruary 14, 2011
Details of audit results
Theme

Execution of financial affairs related to subsidies

Comprehensive External Auditor

Fuminori Nakamoto (Certified Public Accountant)

Target Departments

Administrative Coordination Bureau, Citizens' Vitality Promotion Bureau, Child and Youth Bureau and Health and Social Welfare Bureau, and Kanagawa Ward, Naka Ward, Hodogaya Ward, Isogo Ward, Kohoku Ward and Aoba Ward

Target period

As a general rule, fiscal 2008 (from April 1, 2008 to March 31, 2009) However, as necessary, the amount of execution before fiscal 2007 and before fiscal 2009 is included.

Implementation periodFrom July 13, 2009 to January 27, 2010
Results of audit2009 Comprehensive External Audit Results (PDF: 2,077KB)
Reference press release materials (PDF: 231KB)
Date of publicationFebruary 8, 2010
Details of audit results
Theme

About management of business related to medical provision of Yokohama-shi and execution of financial affairs

Comprehensive External Auditor

Shinya Nihei (Lawyer)

Target Departments

Administrative Coordination Bureau, Urban Management Bureau, Hospital Management Bureau, Safety Management Bureau and Health and Social Welfare Bureau, the Japanese Red Cross Society and Yokohama City University

Target period

As a general rule, FY2007 (however, if necessary, includes executions before FY2006 and FY2008)

Implementation periodFrom June 27, 2008 to February 9, 2009
Results of audit2008 Comprehensive External Audit Results (PDF: 1,117KB)
Reference Press Release Material (PDF: 244KB)
Date of publicationFebruary 9, 2009
Details of audit results
Theme

Management of business related to waste treatment and execution of financial affairs

Comprehensive External Auditor

Shinya Nihei (Lawyer)

Target Departments

Resources and Waste Recycling Bureau, Administrative Management Coordination Bureau, Citizens' Vitality Promotion Bureau and Yokohama City Resource Recycling Corporation

Target period

As a general rule, FY2006 (however, if necessary, includes executions before FY2005 and FY2007)

Implementation periodFrom June 15, 2007 to February 1, 2008
Results of audit2007 Comprehensive External Audit Results (PDF: 1,287KB)
Reference Press Release Material (PDF: 242KB)
Date of publicationFebruary 1, 2008
Details of audit results
Theme

Maintenance and operation of Yokohama Port, management of business related to coastal area development centering on Minato Mirai 21 district, and execution of financial affairs

Comprehensive External Auditor

Shinya Nihei (Lawyer)

Target Departments

Port and Harbor Bureau, Urban Development Bureau, Administrative Coordination Bureau, Yokohama Port Wharf Corporation, Yokohama Port Promotion Association and Yokohama Minato Mirai 21

Target period

In principle, fiscal 2005 (however, if necessary, includes executions before fiscal 2005 and fiscal 2006). In particular, with regard to landfill business accounting, we analyzed financial statements for the past 49 years from 1957. )

Implementation periodFrom June 26, 2006 to January 22, 2007
Results of audit2006 Comprehensive External Audit Results (PDF: 1,704KB)
Reference press release materials (PDF: 1,420KB)
Date of publicationJanuary 22, 2007
Details of audit results
Theme

About execution of financial affairs pertaining to business related to citizen's food and management of business pertaining to management

Comprehensive External Auditor

Yoshimi Nakai (Certified Public Accountant)

Target Departments

Economic Affairs Bureau, Health Bureau, Welfare Bureau, Naka Ward, Board of Education Secretariat, Yokohama Market Refrigeration Co., Ltd., Yokohama Meat Market Co., Ltd., Yokohama Meat Corporation, Yokohama Consumers' Association and Yokohama City School Lunch Association

Target period

As a general rule, fiscal 2004 (including executions before fiscal 2004 and fiscal 2005 as necessary)

Implementation periodFrom July 12, 2005 to January 20, 2006
Results of auditResults of comprehensive external audit for fiscal 2005
Outline of the First External Audit (PDF: 108KB)
Outline of the second audit target (PDF: 526KB)
Perspective of the Third Audit, Main Audit Procedures and Scope of Audit (PDF: 134KB)
Results and opinions of the fourth audit (PDF: 1,066KB)
Date of publicationJanuary 20, 2006
Details of audit results
Theme

Investment organizations engaged in the development, supply and management of land and buildings

Comprehensive External Auditor

Akio Minawa (Certified Public Accountant)

Target Departments

Yokohama Architecture conservation Corporation, Yokohama Architecture Subsidy Corporation, Yokohama City Housing Supply Corporation, Yokohama Land Development Corporation, Housing and Architecture Bureau, Finance Bureau, General Affairs Bureau, Board of Education Secretariat, Urban Planning Bureau, Port and Harbor Bureau

Target period

As a general rule, fiscal 2003 (including executions before fiscal 2003 and fiscal 2004 as necessary)

Implementation periodFrom August 6, 2004 to February 18, 2005
Results of auditResults of comprehensive external audit for fiscal 2004
Chapters 1, 2, and 3 Management and Operation of Corporation (PDF: 139KB)
Chapter 4 Yokohama Architecture conservation Corporation (PDF: 331KB)
Chapter 5 Yokohama City Building Subsidy Corporation (PDF: 417KB)
Chapter 6 Yokohama City Housing Supply Corporation (PDF: 224KB)
Chapter 7 Yokohama Land Development Corporation (PDF: 359KB)
Date of publicationFebruary 18, 2005
Details of audit results
Theme

Management and operation of public facilities

Comprehensive External Auditor

Akio Minawa (Certified Public Accountant)

Target Departments

Civic Affairs Bureau, Green Administration Bureau, Board of Education Secretariat, Nishi Ward, Totsuka Ward, Midori Ward

Target period

As a general rule, FY2002 (including executions before FY2001 and FY2003 as necessary)

Implementation periodFrom July 31, 2003 to February 20, 2004
Results of auditResults of comprehensive external audit for fiscal 2003
Chapters 1, 2, and 3 Public facilities (PDF: 76KB)
Chapter 4 Zoo (PDF: 742KB)
Chapter 5 Yokohama Museum of Art (PDF: 339KB)
Chapter 6 Sports Center (PDF: 694KB)
Chapter 7 Yokohama International Stadium (PDF: 734KB)
Date of publicationFebruary 20, 2004
Details of audit results
Theme

Execution of financial affairs related to water supply business in Yokohama City and management administration affairs related to management

Comprehensive External Auditor

Akio Minawa (Certified Public Accountant)

Target Departments

Waterworks Bureau

Target period

As a general rule, fiscal 2001 (including administrative execution prior to fiscal 2002 and fiscal 2000 as necessary)

Implementation periodFrom August 7, 2002 to January 20, 2003
Results of audit2002 Comprehensive External Audit Results (PDF: 2,392KB)
Date of publicationFebruary 5, 2003
Details of audit results
ThemeExecution of financial affairs related to road business in Yokohama City and management of business related to management
Comprehensive External AuditorRyoji Sato (Certified Public Accountant)
Departments subject to auditRoad and Highway Bureau
Target period

In principle, fiscal 2000
(If necessary, execution for fiscal 1999 and fiscal 2001)

Implementation periodFrom August 10, 2001 to March 15, 2002
Results of audit2001 Comprehensive External Audit Report (PDF: 2,354KB)
Date of publicationApril 5, 2002

Details of audit results
Theme

Execution of financial affairs related to transportation business in Yokohama City and management of business related to management

Comprehensive External AuditorRyoji Sato (Certified Public Accountant)
Departments subject to audit

Transportation Bureau

Target period

In principle, fiscal 1999.
(If necessary, execution for fiscal 1998 and fiscal 2000)

Implementation periodFrom October 1, 2000 to March 23, 2001
Results of audit2000 Comprehensive External Audit Report (PDF: 1,936KB)
Date of publicationApril 5, 2001

Details of audit results

Theme

Execution of financial affairs related to hospital business in Yokohama City and business management
Comprehensive External AuditorRyoji Sato (Certified Public Accountant)
Subject departments, etc.

Yokohama Municipal Citizen's Hospital, Yokohama City Port Hospital, Yokohama Stroke & Brain Center, Yokohama City University Hospital, Urafune Hospital, Yokohama City University Hospital attached to the Faculty of Medicine, Yokohama City University (renamed as Yokohama City University Medical Center in January 2000).

Target period

In principle, fiscal 1998.
(If necessary, for fiscal 1997 and fiscal 1999)

Implementation periodFrom August 16, 1999 to March 22, 2000
Results of audit1999 Comprehensive External Audit Report (PDF: 1,826KB)
Date of publicationApril 14, 2000

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Inquiries to this page

Audit & Supervisory Division, Audit and Inspection Commission Secretariat Audit Department

Phone: 045-671-3360

Phone: 045-671-3360

Fax: 045-664-2944

E-Mail address ka-kansa@city.yokohama.lg.jp

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Page ID: 377-573-457

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