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Baltimore, MD
Noise Ordinance Overview

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Official Decibel Limits

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Residential Day
55dB
Residential Night
50dB

"Manufacturing limits: 75 dB between two manufacturing properties; 70 dB between manufacturing and commercial/residential zones. Air conditioners up to 70 dB, heat pumps up to 75 dB at property line. Short, louder sounds are permitted for limited durations (e.g., +5 dB for 12 min, +10 dB for 3 min, +15 dB for 30 seconds). Temporary exemptions can allow exceeding by up to 25 dB."

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AI Executive Summary

Gemini AI

Baltimore, MD noise ordinances prohibit excessive sound, setting decibel limits across zones. The Baltimore City Noise Ordinance (Health Code, Title 9) and the Neighborhood Nuisance Law (Article 19, Subtitle 43B) define quiet hours and specific restrictions for activities like construction and amplified sound. Violations incur fines, potentially up to $1,000, and may lead to eviction notices for tenants.

Specific Noise Restrictions

construction

Construction

Permitted daily from 7:00 AM to 9:00 PM. Noise audible within 50 feet or in a residence outside these hours should be reported to the Police Department.

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Amplified Sound

Entertainment noise (e.g., radios) heard more than 50 feet from its source, or 100 feet from inside a building, can lead to arrest if the offender refuses to desist. Commercial advertising noise (e.g., bullhorns) heard more than 100 feet from the premises requires a warrant or criminal summons for enforcement.

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Animals

Loud and excessively barking dogs are considered unacceptable behavior. Report animal cruelty or neglect to 311.

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Vehicles

Noncommercial vehicle repairs and the use of power tools are allowed to be louder than normal limits between 7 AM and 9 PM on weekdays, and 10 AM to 10 PM on weekends and legal holidays in residential zones. Using car horns to announce arrival is considered unacceptable.

Noise Protection Score

AExcellent

How well does Baltimore protect residents from noise?

Decibel Limits23/25

55 dB day / 50 dB night

Quiet Hours25/25

Extensive coverage

Penalties18/25

Standard fines

Coverage25/25

4 noise categories regulated

compare_arrowsCompare Another CityScore: 91/100 — Based on dB limits, quiet hours, penalties, and ordinance breadth

Frequently Asked Questions

What are the quiet hours in Baltimore, MD?

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Baltimore's quiet hours: Weekdays: General quiet from 10 PM to 7 AM, with residential limits for noise above 50 dBA from 9 PM to 7 AM. Weekends and legal holidays: General quiet from midnight to 7 AM. Noisy hours are generally 7 AM to 9 PM Monday-Friday and 10 AM to 10 PM on weekends/holidays, allowing louder sounds.. During these hours, noise must stay below residential nighttime decibel limits at the property line. Violations can result in fines on the first offense.

What are the noise decibel limits in Baltimore?

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Baltimore's residential noise limits: 55 dB (at property line between two residential properties, 7 AM - 9 PM) dB(A) during the day and 50 dBA (at property line, 9 PM - 7 AM) dB(A) at night. Commercial zones allow 61 dB (at property line between two commercial properties); 58 dB (at property line between commercial and residential zone). Limits are measured at the receiving property line.

How do I file a noise complaint in Baltimore?

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Call the Baltimore police non-emergency line at 311 (general non-emergency); 410-637-8875 (BPD Telephone Reporting Unit, 7 AM - 10 PM daily). For ongoing violations, contact code enforcement at 311 (for property maintenance complaints). Have the address, noise type, and duration ready. You can request to remain anonymous.

What is the fine for a noise violation in Baltimore?

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Baltimore's noise violation penalties: Violations of the Neighborhood Nuisance Law for loud and unruly parties result in a $500 fine for a first offense and $1,000 for subsequent offenses within 12 months, potentially leading to a 14-day eviction notice for tenants. Entertainment noise violations can result in up to a $500 fine and 30 days imprisonment. Commercial loudspeaker violations can incur up to a $1,000 fine and 60 days imprisonment. Failure to comply with a non-entertainment noise citation can result in a $1,000 fine per day.. Fines typically escalate with repeat offenses and may result in misdemeanor charges for chronic violations.

What are the dog barking rules in Baltimore?

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Baltimore's rules: Loud and excessively barking dogs are considered unacceptable behavior. Report animal cruelty or neglect to 311.. To report a barking dog, contact animal control at 311 (within Baltimore City); 410-396-4688 (if calling from outside Baltimore City) or the police non-emergency line.

When can construction work start in Baltimore?

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Baltimore's construction noise rules: Permitted daily from 7:00 AM to 9:00 PM. Noise audible within 50 feet or in a residence outside these hours should be reported to the Police Department.. Violations can be reported to code enforcement, which can issue stop-work orders for unpermitted or off-hours construction.

Are there rules about loud music in Baltimore?

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Yes. Baltimore's ordinance: Entertainment noise (e.g., radios) heard more than 50 feet from its source, or 100 feet from inside a building, can lead to arrest if the offender refuses to desist. Commercial advertising noise (e.g., bullhorns) heard more than 100 feet from the premises requires a warrant or criminal summons for enforcement.. Music exceeding residential decibel limits or plainly audible across property lines during quiet hours is a citable violation.

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