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IM: Medium Industrial District Regulations in Long Beach

Jurisdiction: Long BeachCode Version: April 2026

The IM: Medium Industrial District in the City of Long Beach is designed for intensive industrial and manufacturing operations, requiring a minimum lot size of 20,000 square feet and permitting a maximum lot coverage of 60 percent. This district allows for building heights up to 45 feet and mandates a significant 45-foot setback when industrial properties abut residential districts to mitigate environmental and noise impacts.

Purpose and General Character

The primary purpose of the IM: Medium Industrial District is to provide and enhance areas within the City of Long Beach for a broad range of industrial uses that support the local tax base and provide employment opportunities [Section 21.33.010].

The general character of the IM: Medium Industrial District is defined by intensive industrial processes that go beyond the "clean" or "non-nuisance" characteristics of light industrial zones. The district typically accommodates larger-scale operations, including:

  • Intensive Manufacturing: Facilities such as factories that may generate significant truck traffic.
  • Outdoor Storage: Uses that require extensive outdoor storage yards.
  • Process-Oriented Uses: Industrial activities where the creation of the product is the primary focus of the site [Section 21.33.020.B].

Permitted Land Uses

In the City of Long Beach, land uses in the IM: Medium Industrial District are generally governed by the Standard Industrial Classification (SIC) codes. The district allows for a mix of industrial, wholesale, and limited commercial activities.

Industrial and Manufacturing

Most manufacturing activities are permitted by right in the IM: Medium Industrial District, provided they are not within 300 feet of a residential zone. If a project is within this 300-foot buffer, it may require an Administrative Use Permit (AP) or a Conditional Use Permit (C) [Section 21.33.080].

  • Manufacturing: Permitted for most SIC codes, including apparel, lumber, chemicals, and fabricated metal products [Table 33-2].
  • Food Processing: Generally permitted, though some specific meat or canned goods processes may require a Conditional Use Permit [Table 33-2, Item 3].
  • Construction-Related: Contractor's offices and limited outdoor storage are permitted [Table 33-2, Item 2].
  • Wholesale Trade: Permitted for both durable and nondurable goods [Table 33-2, Item 6].

Commercial and Professional

While primarily industrial, the City of Long Beach allows specific commercial uses to serve the industrial workforce:

  • Eateries: Restaurants without drive-through facilities are permitted by right [Table 33-2, Item 7.1].
  • Professional Offices: Permitted subject to an Administrative Use Permit [Table 33-2, Item 9].
  • Retail: Limited to uses that serve nearby employees, such as basic retail or automotive parts sales [Table 33-2, Item 7].

Institutional and Other Uses

  • Public Services: Police stations and government offices are permitted or require an Administrative Use Permit [Table 33-2, Items 17 & 32].
  • Cannabis: Cannabis cultivation is permitted by right in the IM: Medium Industrial District [Table 33-2, Item 1.2].
  • Urban Agriculture: Permitted via an Administrative Use Permit [Table 33-2, Item 1.1].

General Development Standards

The City of Long Beach enforces specific dimensional and intensity standards to ensure that development within the IM: Medium Industrial District remains compatible with the surrounding infrastructure.

Standard Requirement
Minimum Lot Size 20,000 sq. ft.
Maximum Lot Coverage 60%
Maximum Building Height 45 ft.
Maximum Non-Building Structure Height 45 ft.
Maximum Accessory Office Space 25% of Gross Floor Area

[Source: Table 33-3]

Setbacks and Yard Requirements

Setbacks in the IM: Medium Industrial District are determined by the classification of the adjacent street or the nature of the neighboring property.

Required Setback/Yard Area IM District Requirement
Yard Fronting on Minor Arterial/Major Street 10 ft.
Yard Fronting on Local or Collector Street 0 ft.
Parking Lot Setback from a Street 5 ft.
Yards Abutting Alleys 10 ft. from centerline
Yards Abutting Residential District 45 ft.
Yards Abutting Nonresidential District 0 ft.

[Source: Table 33-4]

Performance and Maintenance Standards

The City of Long Beach requires all industrial operations in the IM: Medium Industrial District to adhere to performance standards to protect public health and safety. These include:

  • Noise: Must comply with Long Beach Municipal Code Chapter 8.80 [Section 21.33.090.C].
  • Outdoor Storage: Permitted in side and rear yards but must be screened by a solid wall or fence at least as high as the material stored (up to 12 feet) [Section 21.33.150.B.1].
  • Vibration and Emissions: Land uses must be controlled so that no noise, vibration, smoke, or particulate matter becomes a nuisance to adjacent properties [Section 21.10.020.N].
  • Rooftop Equipment: All mechanical equipment must be screened from view on all sides [Section 21.33.180].

Sections Cited

  • Section 21.10.020 - Purpose
  • Section 21.30.040 - District boundary determination
  • Section 21.33.010 - Purpose
  • Section 21.33.020 - Districts established
  • Section 21.33.060 - Permitted uses
  • Section 21.33.080 - Meaning of the Y/AP and Y/C designations
  • Section 21.33.090 - Performance standards
  • Section 21.33.150 - Outdoor storage and activities
  • Section 21.33.180 - Rooftop equipment screening
  • Table 33-2 - Uses In Industrial Districts
  • Table 33-3 - General Development Standards
  • Table 33-4 - Minimum Required Setbacks/Yards Areas

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