Seattle Municipal Code Table of Contents

Title 25 ENVIRONMENTAL PROTECTION AND HISTORIC PRESERVATION*



   Chapter 25.08 NOISE CONTROL*

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Statutory Reference: For statutory provisions on noise control, see RCW Ch. 70.107.

Severability: Should any section, subsection, paragraph, sentence, clause or phrase of this chapter or its application to any person or situation be declared unconstitutional or invalid for any reason, such decision shall not affect the validity of the remaining portions of this chapter or its application to any other person or situation. (Ord. 106360 Section 1002, 1977.)

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Chapter 25.08 Noise Control

Subchapter I General Provisions
           25.08.010. Declaration of policy.
           25.08.020. Findings of special conditions.
           25.08.030. Chapter additional to other law.

Subchapter II Definitions
           25.08.040. Definitions generally -- Gender
           25.08.050. Administrative Code
           25.08.060. Administrator
           25.08.068. Amplified Noise.
           25.08.069. City Holiday
           25.08.070. Commercial agriculture.
           25.08.080. Construction.
           25.08.090. dB(A).
           25.08.100. Districts
           25.08.110. Emergency work.
           25.08.120. Equipment.
           25.08.140. Gross vehicle weight rating (GVWR).
           25.08.150. Impulsive sound.
           25.08.155. Legal Holiday
           25.08.160. Leq.
           25.08.165. Lmax
           25.08.168. Major public project
           25.08.170. Motorcycle.
           25.08.180. Motor vehicle
           25.08.190. Motor vehicle racing event
           25.08.200. Muffler.
           25.08.210. New motor vehicle.
           25.08.220. Noise.
           25.08.221. Receiving Dwelling unit.
           25.08.225. Residential disturbance.
           25.08.230. Off-highway vehicle
           25.08.250. Person.
           25.08.260. Property boundary.
           25.08.270. Highway
           25.08.280. Public nuisance noise.
           25.08.290. Pure tone component.
           25.08.300. Real property
           25.08.310. Receiving property.
           25.08.315. Shoreline.
           25.08.320. Sound level
           25.08.330. Sound level meter
           25.08.340. Special construction vehicle
           25.08.350. Use.
           25.08.360. Warning device.
           25.08.370. Watercraft.
           25.08.380. Weekday
           25.08.390. Weekend

Subchapter III Environmental Sound Levels
           25.08.400. Unlawful sounds
           25.08.410. Exterior sound level limits.
           25.08.420. Modifications to exterior sound level limits
           25.08.425. Sounds created by construction and maintenance equipment
           25.08.426. Plan review fee.

Subchapter IV Motor Vehicle Sound Levels
           25.08.430. Sounds created by operation of motor vehicles
           25.08.450. Modification to motor vehicles.
           25.08.460. Tire noise.
           25.08.470. Sale of new motor vehicles that exceed limits
           25.08.480. Motor vehicle exemptions
           25.08.485. Watercraft

Subchapter V Public Nuisance Noises
           25.08.490. Prohibited.
           25.08.500. Public disturbance noises.
           25.08.501. Nightlife disturbance.
           25.08.505. Residential disturbance violation.
           25.08.508. Abatement of chronic violations.
           25.08.510. Exempted sources
           25.08.515. Public disturbance noise from portable or motor vehicle audio equipment.
           25.08.520. Noise in public parks and places.

Subchapter VI Exemptions
           25.08.530. Sounds exempt at all times
           25.08.540. Sounds exempt during daytime hours -- Generally
           25.08.545. Sounds exempt during daytime hours-Aircraft testing and maintenance
           25.08.550. Sounds exempt from nighttime reduction

Subchapter VII Variances
           25.08.560. Application -- Generally
           25.08.580. Discretion of Administrator
           25.08.590. Granting of variance
           25.08.600. Extension of variances
           25.08.610. Appeal procedure
           25.08.615. Revocation of Variance
           25.08.630. Temporary variance
           25.08.640. Technical variance
           25.08.650. Economic variance
           25.08.655. Major Public Project Construction Variance

Subchapter VIII Administration And Noise Measurement
           25.08.660. Authority of Administrator and Chief of Police.
           25.08.670. Duties of Administrator
           25.08.680. Measurement of sound
           25.08.690. Technical corrections.
           25.08.700. Receiving properties within more than one district

Subchapter IX Enforcement
           25.08.710. Right of entry
           25.08.720. Stop Work Order
           25.08.730. Notice of Violation
           25.08.740. Service, Mailing and Posting of Notice.
           25.08.760. Review by the Administrator
           25.08.765. Order of the Administrator
           25.08.800. Civil Enforcement and Criminal Penalties
           25.08.805. Residential disturbance penalties.
           25.08.820. Penalties cumulative
           25.08.890. Warning for Nightlife disturbance violations.
           25.08.900. Citation.
           25.08.910. Response to citations.
           25.08.915. Voluntary mitigation and waiver of initial penalty for nightlife disturbance violations.
           25.08.920. Failure to respond.
           25.08.930. Mitigation hearings.
           25.08.940. Contested case hearing.
           25.08.950. Failure to appear for hearing.
           25.08.960. Citation Penalties
           25.08.970. Each day a separate violation.