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Osaka Noise Regulations and Complaint Guide

General household noise is outside direct statutory noise controls. Business audio and specified construction have separate rules.

Content reviewed: . Original research snapshot: 2026-10-27. Individual source capture and online-check dates are listed below.

Where to start

  1. For household noise, contact building management or the local consultation desk.
  2. For business or construction noise, use the official city or ward contact for the observed source.
  3. Keep incident times, duration, receiving location and any reference sound levels; retain a request number if one is issued.
Open official Osaka guidance (opens a new tab)

Ward environmental monitoring group / city environment bureau: City 06-6615-7941; ward groups (e.g. north 06-6313-9550); prefecture 06-6210-9588

For immediate danger, use local emergency services. For other incidents, follow the official page’s category and police-response instructions.

Rules by sound source

All times are local to Osaka (Asia/Tokyo). Allowed work hours, restricted windows and periods when a standard applies have different meanings. Check zoning, holidays, permits and exceptions in the cited source.

reference

Environmental goal — A/B areasEnvironmental goal

騒音に係る環境基準（一般地域）

Provision: 環境省「騒音に係る環境基準について」一般地域の地域類型・昼夜基準（環境目標）

Measurement point: ambient environment

  • 45 dBA · 45 dB or less

    Night

    Standard period: Daily, 22:00–06:00 (ends the following day)

    Area: A/B residential

AA 40 dB, A/B 45 dB, C 50 dB at night. This is an environmental goal, not a direct neighbor-noise prohibition.

The national environmental goal is not a neighbor-noise cap. Check the relevant ward group for a business or construction concern.

Household noise — no direct controlNo direct standard

生活騒音（一般家庭）

Provision: 大阪府 騒音・振動相談窓口 — 生活騒音、法・府条例による規制なし

Measurement point: n/a

  • no direct legal regulation; resolve between parties

    n/a

    Standard period: Daily, 00:00–24:00

City/prefecture explicitly says daily-life noise is not regulated; use neighbor discussion/mediation.

The national environmental goal is not a neighbor-noise cap. Check the relevant ward group for a business or construction concern.

amplified sound

Business audio at nightRule with conditions

深夜における音響機器の使用（カラオケ等）

Provision: 大阪府生活環境の保全等に関する条例; 大阪市「騒音・振動規制のあらまし」深夜営業の音響機器

Measurement point: Sound audible outside the business in the ordinance-designated area

  • audio equipment use restricted

    Prohibited window

    Standard period: Daily, 23:00–06:00 (ends the following day)

Applies to designated business areas. The soundproofing exception applies where sound does not leak outside; this is not a household karaoke curfew.

The national environmental goal is not a neighbor-noise cap. Check the relevant ward group for a business or construction concern.

Exclusions and exceptions

  • Soundproofing that prevents external sound leakage can exempt the business.

construction

Selected specified construction workRule with conditions

特定建設作業

Provision: 大阪市「騒音・振動規制のあらまし」特定建設作業の規制基準

Measurement point: construction site boundary

  • 85 dBA · Selected specified construction work; 10 h/day maximum

    Type 1 area — allowed window

    Allowed work window: Mon-Sat excluding holidays, 07:00–19:00

    Area: 1号区域

  • 85 dBA · Selected specified construction work; 14 h/day maximum

    Type 2 area — allowed window

    Allowed work window: Mon-Sat excluding holidays, 06:00–22:00

    Area: 2号区域

Sundays/holidays and work-duration limits also apply; emergency work excepted.

The national environmental goal is not a neighbor-noise cap. Check the relevant ward group for a business or construction concern.

Official sources and review context

Saved-source review and online retrieval are different checks. Some sites block automated retrieval; an unavailable recheck is shown below. Open the official source to confirm the current wording and any later amendments.

Related Practical Guides

Document recurring noise

Keep a factual chronology for management or official follow-up.

Phone measurement limits

Understand reference readings and prescribed official measurements.

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