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Title III›Division 1 — PLANNING›Part 1 — PRINCIPAL ZONES

6.1 RS: RESIDENTIAL SUBURBAN ZONE

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

The Residential Suburban or RS Zone is intended to be applied in areas of the County which are particularly suited to large-lot development. The following regulations shall apply in all Residential Suburban or RS Zones. (Former Section INL#314-21; Ord. 1057, Sec. 3, 12/8/75; Amended by Ord. 1738, Sec. 1, 5/20/86; Amended by Ord. 1848, Sec. 9, 9/13/88; Amended by Ord. 1876 Sec. 4, 9/26/89)

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314-6.1 RS: RESIDENTIAL SUBURBAN
Principal Permitted Uses
One (1) family dwellings.
Accessory dwelling unit.
Servants’ quarters and guest houses.
Keeping of no more than eight (8) household pets on each lot.
Uses Permitted With a Use Permit
Private institutions.
Private recreation facilities, including golf courses.
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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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314-6.1 RS: RESIDENTIAL SUBURBAN
Manufactured home parks at a density no greater than allowed by the minimum parcel size in the zone or
as may be modified by a combining zone.
Tiny house villages and dependent unit villages, at a density no greater than allowed by the General Plan
or as may be modified by a combining zone.
Any use not specifically enumerated in this division, if it is similar to and compatible with the uses
permitted in the RS Zone.
Other Regulations
Minimum Lot Area One acre (1a).
Minimum Lot Width One hundred twenty-five feet (125').
Minimum Lot Depth One hundred ten feet (110').
Minimum Yard Setbacks*
Front Twenty feet (20').
Rear Ten feet (10').
Interior Side Five feet (5').
Exterior Side Same as front or one-half (1/2) the front if all parts of the main building
are more than twenty-five feet (25')t from the rear lot line, and the
exterior side yard does not abut a collector or higher order street. (In
questionable cases, the Public Works Director shall classify the subject
street.)
Double Frontage Lots Front and rear twenty feet (20'), except the rear yard setback may be
reduced to ten feet (10') where such yard abuts an alley.
Flag Lots For flag lots, the Director, in consultation with the Public Works
Department, shall establish the minimum yard that is required for a
vehicular turnaround on the lot.
Maximum Ground Coverage Thirty-five percent (35%).
Maximum Building Height Thirty-five feet (35').
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*** 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.

The Humboldt County Code is current through Ordinance 2784, passed March 10, 2026.

Page 482 of 1183

Title III Land Use and Development | Humboldt County Code

(Former Section INL#314-21(a)(1-3); INL#314-21(b)(1-3); INL#314-21(c)(1-6))

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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
      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
        Overview
        1. 1.1 ZONE MAPPING DESIGNATIONS
        2. 1.2 LISTS OF PERMITTED USES
        3. 2.1 C-1: NEIGHBORHOOD COMMERCIAL ZONE
        4. 2.2 C-2: COMMUNITY COMMERCIAL ZONE
        5. 2.3 C-3: INDUSTRIAL COMMERCIAL ZONE
        6. 2.4 CH: HIGHWAY SERVICE COMMERCIAL ZONE
        7. 3.1 MB: BUSINESS PARK ZONE
        8. 3.2 ML: LIMITED INDUSTRIAL ZONE
        9. 3.3 MH: HEAVY INDUSTRIAL ZONE
        10. 4.1 AV: AIRPORT ZONE
        11. 4.2 PF1: PUBLIC FACILITY (URBAN)
        12. 4.3 PF2: PUBLIC FACILTY ZONE (RURAL)
        13. 4.5 PR: PUBLIC RESOURCE AND RECREATION
        14. 5.1 DF: DESIGN FLOODWAY ZONE
        15. 5.2 FP: FLOOD PLAIN ZONE
        16. 6.1 RS: RESIDENTIAL SUBURBAN ZONE
        17. 6.2 R-1: RESIDENTIAL ONE-FAMILY ZONE
        18. 6.3 R-2: RESIDENTIAL TWO-FAMILY ZONE
        19. 6.4 R-3: RESIDENTIAL MULTIPLE FAMILY ZONE
        20. 6.5 R-4: APARTMENT PROFESSIONAL ZONE
        21. 6.6 RA: RURAL RESIDENTIAL AGRICULTURE
        22. 7.1 AE: AGRICULTURE EXCLUSIVE ZONE
        23. 7.2 AG: AGRICULTURE GENERAL ZONE
        24. 7.3 FR: FORESTRY RECREATION ZONE
        25. 7.4 TPZ: TIMBERLAND PRODUCTION ZONE
        26. 7.5 TE: TIMBERLAND EXCLUSIVE ZONE
        27. 7.6 TL: TRIBAL LANDS
        28. 8.1 U: UNCLASSIFIED ZONE
        29. 9.1 MU1: MIXED USE (URBAN)
        30. 9.2 MU2: MIXED USE (RURAL)
      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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