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Title III›Division 1 — PLANNING›Chapter 1

6.1 PRINCIPAL ZONES

Humboldt County Zoning Code · 2026-07 edition · updated 2026-07-09 · Humboldt County

The principal zones, into which the County of Humboldt shall be divided are as follows: (Former Section INL#313-1; CZ#A311-7; Ord. 1705, 9/10/85; Ord. 1800, Sec. 2, 6/23/87; Amended by Ord. 1842, Sec. 4, 8/16/88; Amended by Ord. 2214, 6/6/00)

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PRINCIPAL ZONES - COASTAL
ZONE DISTRICT DESIGNATION CODE SECTION
COMMERCIAL
Neighborhood Commercial CN 313-2.1
Commercial General CG 313-2.2
INDUSTRIAL
Business Park MB 313-3.1
Light Industrial ML 313-3.2
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The Humboldt County Code is current through Ordinance 2784, passed March 10, 2026.

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Title III Land Use and Development | Humboldt County Code

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PRINCIPAL ZONES - COASTAL
ZONE DISTRICT DESIGNATION CODE SECTION
Industrial General MG 313-3.3
Industrial/Coastal Dependent MC 313-3.4
PUBLIC
Public Facility – Urban PF1 313-4.1
Public Facility – Rural PF2 313-4.2
RECREATION AND CONSERVATION
Public Recreation PR 313-5.1
Commercial Recreation CR 313-5.2
Coastal Dependent Commercial CRD 313-5.3
Recreation
Natural Resources NR 313-5.4
RESIDENTIAL
Residential Single Family* RS-5, RS-7.5, 313-6.1
RS-10, RS-20,
RS-40
Residential Multi-Family** RM 313-6.2
Residential Mixed R2 313-6.3
Rural Residential Agriculture*** RA-1, RA-2, RA-2.5, 313-6.4
RA-5, RA-10,
RA-20, RA-40
RESOURCE
Agriculture Exclusive*** AE-20, AE-40, 313-7.1
AE-60, AE-160,
AE-600
Commercial Timberland (Coastal) TC 313-7.2
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The Humboldt County Code is current through Ordinance 2784, passed March 10, 2026.

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Title III Land Use and Development | Humboldt County Code

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PRINCIPAL ZONES - COASTAL
ZONE DISTRICT DESIGNATION CODE SECTION
Timber Production Zone TPZ 313-7.3
PRINCIPAL ZONES - INLAND
ZONE DISTRICT DESIGNATION CODE SECTION
COMMERCIAL
Neighborhood Commercial C-1 314-2.1
Community Commercial C-2 314-2.2
Industrial Commercial C-3 314-2.3
Highway Service Commercial CH 314-2.4
INDUSTRIAL
Business Park MB 314-3.1
Limited Industrial ML 314-3.2
Heavy Industrial MH 314-3.3
PUBLIC
Airport AV 314-4.1
NATURAL HAZARD/FLOOD
Design Floodway DF 314-5.1
Flood Plain FP 314-5.2
RESIDENTIAL
Residential Suburban RS 314-6.1
Residential One-Family R-1 314-6.2
Residential Two-Family R-2 314-6.3
Residential Multiple Family R-3 314-6.4
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The Humboldt County Code is current through Ordinance 2784, passed March 10, 2026.

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Title III Land Use and Development | Humboldt County Code

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PRINCIPAL ZONES - INLAND
ZONE DISTRICT DESIGNATION CODE SECTION
Apartment Professional R-4 314-6.5
Rural Residential Agricultural RA 314-6.6
RESOURCE
Agriculture Exclusive AE 314-7.1
Agriculture General AG 314-7.2
Forestry Recreation FR 314-7.3
Timberland Production TPZ 314-7.4
UNCLASSIFIED
Unclassified U 314-8.1
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▸ Contents — Humboldt County Zoning Code
Humboldt County Zoning Code
  1. ▸ Title III
    Overview
    1. ▸ Division 1 — PLANNING
      Overview
      1. Chapter 2 — ADMINISTRATION, PROCEDURES, AMENDMENTS AND ENFORCE…
      2. ▸ Chapter 1
        Overview
        1. 6.1 PRINCIPAL ZONES
        2. 6.2 COMBINING ZONES
        3. 8.1 STREETS OR ALLEYS
        4. 8.2 SCALE ON MAP; DETERMINATION BY COMMISSION
        5. 8.3 VACATED STREET OR ALLEY
        6. 10.1 USE REQUIREMENTS
        7. 10.2 HEIGHT REQUIREMENTS
        8. 10.3 AREA REQUIREMENTS
        9. 10.4 DUPLICATE USE OF OPEN SPACE AND YARDS
      3. Chapter 2
      4. Chapter 3
      5. Part 1 — PRINCIPAL ZONES
      6. Part 2 — SPECIAL AREA COMBINING ZONES
      7. Part 1 — USES AND ACTIVITIES
      8. Part 2 — STRUCTURES AND FACILITIES
      9. Part 3 — DEVELOPMENT STANDARDS
      10. Part 4 — REGULATIONS THAT APPLY IN SENSITIVE HABITATS AND HAZA…
      11. Part 5 — NONCONFORMING USES AND STRUCTURES
      12. Part 1 — CLASSIFICATION OF USE TYPES
      13. Part 2 — GLOSSARY OF USE TYPES
      14. Part 1 — PRINCIPAL ZONES
      15. Part 2 — REGULATIONS FOR THE COMBINING ZONES
      16. Part 1 — USES AND ACTIVITIES
      17. Part 2 — STRUCTURES AND FACILITIES
      18. Part 3 — DEVELOPMENT STANDARDS
      19. Part 4 — (SECTION RESERVED FOR FUTURE USE)
      20. Part 5 — NONCONFORMING USES AND STRUCTURES
      21. Part 1 — CLASSIFICATION OF USE TYPES
      22. Part 2 — GLOSSARY OF USE TYPES
  2. Title III — LAND USE AND DEVELOPMENT

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