Collection of Yokohama City Building Standards Law Handling Standards

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Operation of the May 2023 version was launched on May 26, 2023.
※We performed necessary revision with Yokohama-shi Building Standard Ordinance and Yokohama-shi Building Standard Law enforcement detailed regulations.

• Definition of terms in Article 2 of the Act
  • 1-1 Handling of small warehouses under the Building Standards Law
  • 1-2 Handling of sacoustic balconies
  • 1-3 mounts, etc. (Reference)
  • 1-4 Handling of multi-family housing
  • 1-5 Parts where there is a risk of fire spread (near adjacent land boundary such as waterways)
  • 1-6 Handling of Roads
• Definition of terms in Article 1 of the Ordinance
  • 1-7 Handling of Sites
  • 1-8 Handling of separate buildings in the basement garage of houses
• Restrictions on use of buildings until the issuance of an inspection certificate of Article 7-6 of the Act
• February 23, 2015 Ministry of Land, Infrastructure, Transport and Tourism Notification No. 247. Matters to determine the standards stipulated by the Minister of Land, Infrastructure, Transport and Tourism under Article 7-6, Paragraph 1, Item 2 of the Building Standards Act
  • 1-9 Handling of ordinances that do not require conforming at the time of temporary use certification

• Article 25 Outer walls of large-scale wooden buildings, etc.
  • 2-1 Measures against nosedived and gables when a fire protection structure is required behind the eaves based on the provisions of Article 25 of the Act and Article 61 of the Act
• Article 28 of the Law Lighting and ventilation of living rooms
  • 2-2 Lighting of living rooms (a site facing waterways, etc.)
• Article 23 of the Ordinance The width of stairs and their landings, as well as the dimensions of the stairs and tread surface
• Article 26 Sloping paths to replace stairs
  • 2-3 Handling relating to Article 23 of the Order
• Establishment of Article 126-6 of the Order
• Article 126-7 Structures
  • 2-4 About emergency entrances
  • 2-5 Handling of entrances, etc. for single-family homes on alley-like sites
• Article 35-2 Interior of special buildings, etc.
  • 2-6 Application of interior restrictions on cooking rooms, etc.

• Article 42 Definition of Roads
  • 3-1 Regarding roads prescribed in Article 42, Paragraph 1, Item 2 of the Act
• Article 12 Designation of Roads deemed to be roads
  • 3-2. Road
  • 3-3 Road boundary of Section 2 Road in contact with rivers (Reference)
  • 3-4 2 Confirmation and inspection at the site where fences remain on the road
• Article 43 Relationship between sites, etc. and roads
  • 3-5 Site approach to the site
  • 3-6 About site that satisfies the access rules
• Article 44 of the Act Building Restrictions on Roads
  • 3-7 Building restrictions on roads designated by the provisions of Article 42, Paragraph 1, Item 5 of the Act

• Restrictions on buildings in the separate table 2 restricted zone (Article 27, Article 48, Article 68-2)
• Article 130-3 Multi-purpose housing that can be built in the first-class low-rise residential area
• Article 130-4 Buildings necessary for the public interest that can be built in the first-class low-rise residential area
  • 4-1 Low-rise Residential Area Related to Class 1 Low-rise Residential Area (Article 2 (i) of Appendix)
• Restrictions on buildings in the separate table 2 restricted zone (Article 27, Article 48, Article 68-2)
• Buildings such as stores, restaurants, etc. that can be built in areas exclusively for second-class low-rise residential areas and rural residential areas
  • 4-2 Low-rise Residential Area Related to Class 2 Low-rise Residential Area (Article 2 (b) of Appendix)
• Restrictions on buildings in the separate table 2 restricted zone (Article 27, Article 48, Article 68-2)
• Buildings such as stores, restaurants, etc. that can be built in the first-class middle- and high-rise residential area
  • 4-3 First Class 1 Middle and High-rise Residential Area (Separate Table 2 (a) of the Act)
  • 4-4 Handling of welfare-related facilities
  • 4-5 Handling of animal handling facilities and livestock barns

5-1 to 5-9 (Text) (PDF: 802KB) / 5-9 (Example of road diagonal lines) (PDF: 358KB) / 5-9 (Example of sky rate) (PDF: 273KB) / 5-10 ~-14 (PDF: 398KB)

• Article 52 Floor area ratio
• Ordinance Article 4-5 (Chapter 1-3 Designation of ground surface pertaining to floor area ratio non-contribution system for basements such as houses)
  • 5-1 Handling under Article 52, paragraphs 4 and 5 of the Act
• Article 52 Floor area ratio
• December 25, 2003 Yokohama City Notification No. 455 Designation of areas, etc. according to the provisions of Article 52, Paragraph 8 of the Building Standards Act
  • 5-2 Relaxation of floor area ratio restrictions based on Article 52, Paragraph 8 of the Act
• Article 53 of the Act
• Article 13 Relaxation of occupancy rate
  • 5-3 Relaxation of occupancy rate
  • 5-4 Emission of corner lots, etc. of the occupancy rate
• Site area of Article 53-2 of the Act
  • 5-5 “For land that does not conform to the provisions of Article 53-2, Paragraph 3 of the Act, if used as a building site based on existing ownership or other rights, if used as a site of a building based on existing ownership or other rights.
• Article 54 Retreat distance of outer wall in areas exclusively for Class 1 Low-rise Residential Areas
• Article 135-22 Relaxation of restrictions on the retreat distance of outer walls in areas dedicated to first-class low-rise residential areas, etc.
  • 5-6 Retreat of the outer wall in the first-class low-rise residential area and the second-class low-rise residential area
  • 5-7 Relaxation of the outer wall of bay windows, etc. as stipulated in Article 135-22 of the Ordinance
  • 5-8 “rooms and other similar uses” as provided for in Article 135-22 of the Order
• Article 56 The height of each part of the Act
  • 5-9 Road diagonal line restriction and sky ratio
• Article 58 Altitude District
• October 14, 2011 Yokohama City Notification No. 506 Yokohama International Port Construction Plan altitude District (Excerpt)
  • 5-10 "Roads, water surfaces, tracks, and other similar items (excluding plazas and parks) Handling of
  • 5-11 Northern diagonal line when roads etc. touches the north side of the site of the building
  • Northern diagonal line when there is a boundary between the 5-12 altitude zone
  • 5-13 Handling of northern diagonal lines of pipe handrail
• December 25, 2003 Yokohama City Notification No. 456 Restrictions within areas without designation of restricted zones in city planning areas
  • 5-14 Restrictions in areas where no restricted zone is specified

• Article 85 Relaxation of restrictions on temporary buildings
  • 6-1 Procedures for temporary buildings outside the construction site
• Article 88 of the Act mutatis mutandis to a workpiece
• Article 138 Designation of a workpiece
  • 6-2 Torii
• Article 91 Measures when the site of a building extends to the area, area or inside and outside the district
  • 6-3 When the site extends inside and outside the building agreement area
• Restrictions on the height of middle and high-rise buildings by shading Article 56-2 of the Act
  • 6-4 shading regulations when shading occurs beyond city boundaries
  • 6-5 Application for confirmation of the site spanning multiple specific administrative agencies

• Others
  • 7-1 Urban planning roads, etc. that widen conventional roads
  • 7-2 Sites facing the track floor
  • 7-3 diagonal line restrictions on buildings pertaining to elevated tracks
  • 7-4 Three-dimensional car garage
  • 7-5 Rack Warehouse

Kanagawa Prefectural Building Administration Liaison Council (outside site)

• Kanagawa Prefectural Building Standards Law Handling Standards-Calculation method for area, height, number of floors, etc.-(April 1, 2019 version) (outside site)