Humboldt County Municipal Code § 314-3 Industrial Use Regulations

The MB Zone is intended to protect sites which are suitable for “business park” developments: well-designed mixed industrial/commercial areas composed of nuisance-free light industrial, research and development, administrative and business and professional office facilities, developed in a park-like environment. For further description of use types, see “Glossary of Use Types” in Section D: Use Types, at the end of this Chapter. (Former Section INL#314-44; Ord. 1800, Sec. 1, 6/23/87) 314-3.1 MB: BUSINESS PARK Use Type Principal Permitted Use Civic Use Types Administrative Commercial Use Types Office and Professional Service Warehousing, Storage and Distribution

314-3.1 MB: BUSINESS PARK Industrial Use Types Research/Light Industrial Residential Use Types Supportive housing is permitted above the ground floor as the primary use. Commercial Residential. Within Housing Opportunity Zones, residential uses subordinate to the permitted use including caretaker’s residences and multiple dwellings on the upper floors of multistory structures where below are commercial establishments engaged in uses designated “Principally Permitted” or “Conditionally Permitted” in the MB Zone. Use Type Uses Permitted With a Special Permit Residential Use Types Outside Housing Opportunity Zones, residential uses subordinate to the permitted use including caretaker’s residences and apartments on the upper floors of multistory structures where below are establishments engaged in uses designated “Principally Permitted” or “Conditionally Permitted” in the MB Zone. Transitional Housing Emergency Shelters Supportive housing may be located on the ground floor with a special permit. Use Type Uses Permitted With a Use Permit Commercial Use Types Retail Sales Retail Service Transient Habitation Mini-Storage Use Types Not Listed in This Table Any use not specifically enumerated in this division, if it is similar to and compatible with the uses permitted in the MB Zone. Other Regulations

314-3.1 MB: BUSINESS PARK Minimum Lot Area 10,000 square feet. Minimum Lot Width Sixty feet (60'). Minimum Yard Setbacks* Front Thirty feet (30'). Rear Ten feet (10'). Side Thirty feet (30') where side yard adjoins a public street and ten feet (10') otherwise. Maximum Ground Coverage Fifty percent (50%). Maximum Building Height Fifty feet (50').

• Note: Setbacks may be modified by other provisions of this Code or State law. For example, see Section 314-22.1, “Alquist-Priolo Fault Hazard” and the “Fire Safe” Regulations at Title III, Division 11. (Former Section INL#314-44(a)(1-4); (Former Section INL#314-44(b)(1-3); INL#314-44(c)(1-5); Ord. 1800, Sec. 1, 6/ 23/87)

The Limited Industrial or ML Zone is intended to apply to areas in which light manufacturing and heavy commercial uses of the non-nuisance type and large administrative facilities are the desirable predominant uses. The following regulations shall apply in all Limited Industrial or ML Zones. (Former Section INL#314-43; Ord. 1086, Sec. 11, 7/13/76; Amended by Ord. 2214, 6/6/00; Amended by Ord. 2472, Sec. 1, 2/14/12) 314-3.2 ML: LIMITED INDUSTRIAL Principal Permitted Uses Small animal hospitals completely enclosed within a building. (From Section INL#314-37(b)(2); Ord. 1086, Sec. 8, 7/13/76) Stores, agencies and services such as carpentry and cabinet-making shops, clothing manufacture, contractors’ yards, dry cleaning and laundry plants, handicraft manufacture, lumber yards, metalworking shops, wholesale outlet stores, painters’ and decorators’ yards, plumbing shops, printing, lithographing and major auto repair. (From Section INL#314-37(b)(3); Ord. 1086, Sec. 8, 7/ 13/76)

314-3.2 ML: LIMITED INDUSTRIAL Administrative, business and professional offices. (From Section INL#314-43(a)(2)) Manufacturing of electrical and electronic equipment, of household effects such as lamps, rugs and fabrics, and research and development laboratories. (From Section INL#314-43(a)(3)) Emergency shelters. Uses Permitted With a Special Permit Single-room occupancy facilities which are conversions of existing buildings. Uses Permitted With a Use Permit Dwellings, accessory dwelling units, manufactured homes, hotels, motels, and manufactured home parks. (Amended by Ord. 2335, 12/14/04) Animal hospitals and kennels. Animal feed and sales yards. Manufacture of furniture, finished paper and paper products. Mini-storage. Emergency dependent unit villages and alternative lodge parks. Any use not specifically enumerated in this division, if it is similar to and compatible with the uses permitted in the ML Zone. Other Regulations Minimum Lot Area One acre (1a). Minimum Lot Width (None specified.) Minimum Yard Setbacks* Front Fifty feet (50'); Rear Fifty feet (50'); Side Ten percent (10%) of average-lot width but not less than twenty-five feet (25'). Maximum Ground Coverage Twenty-five percent (25%).

314-3.2 ML: LIMITED INDUSTRIAL Maximum Building Height Seventy-five feet (75'). Special Regulations All manufacturing and fabricating areas shall be enclosed in buildings; and All equipment and materials storage areas adjacent to Residential (RS, R-1, R-2, R-3, R-4) Zones shall be screened by walls, fences or adequate plantings to a height of not less than six (6) feet; and Said fencing and screening shall conform to all yard requirements.

• Note: Setbacks may be modified by other provisions of this Code or State law. For example, see Section 314-22.1, “Alquist-Priolo Fault Hazard” and the “Fire Safe” Regulations at Title III, Division 11. (Former Section INL#314-43(a)(1-3); INL#314-43(b); INL#314-43(c))

The Heavy Industrial or MH Zone is intended to apply to areas devoted to normal operations of industries subject only to regulations as are needed to control congestion and protect surrounding areas. The following regulations shall apply to all Heavy Industrial or MH Zones. (Former Section INL#314-46; Ord. 1086, Sec. 12, 7/13/76; Amended by Ord. 2214, 6/6/00; Amended by Ord. 2472, Sec. 1, 2/14/12) 314-3.3 MH: HEAVY INDUSTRIAL Principal Permitted Uses Small animal hospitals completely enclosed within a building. (From Section INL#314-37(b)(2); Ord. 1086, Sec. 8, 7/13/76) Stores, agencies and services such as carpentry and cabinet-making shops, clothing manufacture, contractors’ yards, dry cleaning and laundry plants, handicraft manufacture, lumber yards, metalworking shops, wholesale outlet stores, painters’ and decorators’ yards, plumbing shops, printing, lithographing and major auto repair. (From Section INL#314-37(b)(3); Ord. 1086, Sec. 8, 7/13/76) Administrative, business and professional offices. (From Section INL#314-43(a)(2)) Manufacturing of electrical and electronic equipment, of household effects such as lamps, rugs and fabrics, and research and development laboratories. (From Section INL#314-43(a)(3)) Animal hospitals and kennels. (From Section INL#314-43(b)(2))

314-3.3 MH: HEAVY INDUSTRIAL Animal feed and sales yards. (From Section INL#314-43(b)(3)) Manufacture of furniture, finished paper and paper products. (From Section INL#314-43(b)(4)) Industrial manufacturing uses, except as provided in the following subsection, Uses Permitted With a Use Permit. Uses Permitted With a Special Permit Single-room occupancy facilities which are conversions of existing buildings. Uses Permitted With a Use Permit Dwellings, accessory dwelling units, manufactured homes, hotels, motels, emergency shelters, manufactured home parks, and special occupancy parks. (Amended by Ord. 2335, 12/14/04) Emergency dependent unit villages and alternative lodge parks. All uses except: One (1) family dwellings; general agriculture; rooming and boarding of not more than two (2) persons; and manufactured homes. (Former Sections 314-2(c); 314-2(b)(1-4) and 314-46(b)(2)) Any use not specifically enumerated in this division, if it is similar to and compatible with the uses permitted in the MH Zone. Other Regulations Minimum Lot Area One acre (1a). (From Section INL#314-43(c)) Minimum Lot Width (None specified.) (From Section INL#314-43(c)) Minimum Yard Setbacks* Front Fifty feet (50'); (From Section INL#314-43(c)) Rear Fifty feet (50'); (From Section INL#314-43(c)) Side Ten percent (10%) of average-lot width but not less than twenty-five feet (25'). (From Section INL#314-43(c)) Maximum Ground Coverage (None specified.) Maximum Building Height Seventy-five feet (75'). (From Section INL#314-43(c))

• Note: Setbacks may be modified by other provisions of this Code or State law. For example, see Section 314-22.1, “Alquist-Priolo Fault Hazard” and the “Fire Safe” Regulations at Title III, Division 11.

(Former Section INL#314-46(a)(1-3); Ord. 1086, Sec. 12, 7/13/76) (Former Section INL#314-46(b)(1-2); Ord. 894, Sec. 1, 12/19/72; Amended by Ord. 1086, Sec. 12, 7/13/76; Amended by Ord. 2166, Sec. 16, 4/7/98) (Ord. 2678, § 3, 7/13/ 2021; Ord. 2693, § 7, 6/7/2022; Ord. 2721, § 6, 7/11/2023; Ord. 2742, § 4, 8/20/2024; Ord. 2747, § 5, 10/1/2024; Ord. 2748, § 4, 10/1/2024)