Title III›Division 1 — PLANNING›Part 1 — PRINCIPAL ZONES
6.3 R-2: RESIDENTIAL TWO-FAMILY ZONE
Humboldt County Zoning Code · 2026-07 edition · updated 2026-07-09 · Humboldt County
The Residential Two-Family or R-2 Zone is intended to be allowed in areas of the County close to urban centers where all utilities and services are available and where an increased density is appropriate on each building site. The following regulations shall apply in all Residential Two-Family or R-2 Zones. (Former Section INL#314-27; Ord. 1057, Sec. 5, 12/8/75: Amended by Ord. 1738, Sec. 3, 5/20/86; Amended by Ord. 1848, Sec. 11, 9/13/88; Amended by Ord. 1876, Sec. 6, 9/26/89)
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314-6.3 R-2: RESIDENTIAL TWO-FAMILY
Principal Permitted Uses
One (1) family dwellings.
Two (2) family dwellings.
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The Humboldt County Code is current through Ordinance 2784, passed March 10, 2026.
Page 484 of 1183
Title III Land Use and Development | Humboldt County Code
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314-6.3 R-2: RESIDENTIAL TWO-FAMILY
Accessory dwelling unit.
Supportive housing and transitional housing subject only to restrictions that apply to other residential
dwellings of the same type in the same zone.
Rooming and boarding of not more than two (2) persons not employed on the premises.
Keeping of no more than four (4) household pets for each dwelling unit.
Uses Permitted With a Use Permit
Guest houses and servants quarters.
Private institutions.
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 R-2 Zone.
Other Regulations
Minimum Lot Area 5,000 square feet.
Minimum Lot Width Fifty feet (50').
Maximum Lot Depth Three (3) times lot width.
Minimum Yard Setbacks*
Front Twenty feet (20').
Rear Ten feet (10').
Interior Side Five feet (5').
Exterior Side Same as front or one-half the front if all parts of the main building are
more than twenty-five feet (25') from the rear lot line, and the exterior
side yard does not abut a collector or higher order street. (In
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The Humboldt County Code is current through Ordinance 2784, passed March 10, 2026.
Page 485 of 1183
Title III Land Use and Development | Humboldt County Code
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314-6.3 R-2: RESIDENTIAL TWO-FAMILY
questionable cases, the Public Works Director shall classify the subject
street.)
Double Frontage Lots Front and rear twenty feet (20'), except the rear yard setbacks 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 Forty percent (40%).
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.
(Former Section INL#314-27(a)(1-4); INL#314-27(b)(1-3); INL#314-27(c)(1-6))
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Ask AI about this code▸ Contents — Humboldt County Zoning Code
-
▸ Title III
Overview-
▸ Division 1 — PLANNING
Overview- Chapter 2 — ADMINISTRATION, PROCEDURES, AMENDMENTS AND ENFORCE…
- Chapter 1
- Chapter 2
- Chapter 3
- Part 1 — PRINCIPAL ZONES
- Part 2 — SPECIAL AREA COMBINING ZONES
- Part 1 — USES AND ACTIVITIES
- Part 2 — STRUCTURES AND FACILITIES
- Part 3 — DEVELOPMENT STANDARDS
- Part 4 — REGULATIONS THAT APPLY IN SENSITIVE HABITATS AND HAZA…
- Part 5 — NONCONFORMING USES AND STRUCTURES
- Part 1 — CLASSIFICATION OF USE TYPES
- Part 2 — GLOSSARY OF USE TYPES
-
▸ Part 1 — PRINCIPAL ZONES
Overview- 1.1 ZONE MAPPING DESIGNATIONS
- 1.2 LISTS OF PERMITTED USES
- 2.1 C-1: NEIGHBORHOOD COMMERCIAL ZONE
- 2.2 C-2: COMMUNITY COMMERCIAL ZONE
- 2.3 C-3: INDUSTRIAL COMMERCIAL ZONE
- 2.4 CH: HIGHWAY SERVICE COMMERCIAL ZONE
- 3.1 MB: BUSINESS PARK ZONE
- 3.2 ML: LIMITED INDUSTRIAL ZONE
- 3.3 MH: HEAVY INDUSTRIAL ZONE
- 4.1 AV: AIRPORT ZONE
- 4.2 PF1: PUBLIC FACILITY (URBAN)
- 4.3 PF2: PUBLIC FACILTY ZONE (RURAL)
- 4.5 PR: PUBLIC RESOURCE AND RECREATION
- 5.1 DF: DESIGN FLOODWAY ZONE
- 5.2 FP: FLOOD PLAIN ZONE
- 6.1 RS: RESIDENTIAL SUBURBAN ZONE
- 6.2 R-1: RESIDENTIAL ONE-FAMILY ZONE
- 6.3 R-2: RESIDENTIAL TWO-FAMILY ZONE
- 6.4 R-3: RESIDENTIAL MULTIPLE FAMILY ZONE
- 6.5 R-4: APARTMENT PROFESSIONAL ZONE
- 6.6 RA: RURAL RESIDENTIAL AGRICULTURE
- 7.1 AE: AGRICULTURE EXCLUSIVE ZONE
- 7.2 AG: AGRICULTURE GENERAL ZONE
- 7.3 FR: FORESTRY RECREATION ZONE
- 7.4 TPZ: TIMBERLAND PRODUCTION ZONE
- 7.5 TE: TIMBERLAND EXCLUSIVE ZONE
- 7.6 TL: TRIBAL LANDS
- 8.1 U: UNCLASSIFIED ZONE
- 9.1 MU1: MIXED USE (URBAN)
- 9.2 MU2: MIXED USE (RURAL)
- Part 2 — REGULATIONS FOR THE COMBINING ZONES
- Part 1 — USES AND ACTIVITIES
- Part 2 — STRUCTURES AND FACILITIES
- Part 3 — DEVELOPMENT STANDARDS
- Part 4 — (SECTION RESERVED FOR FUTURE USE)
- Part 5 — NONCONFORMING USES AND STRUCTURES
- Part 1 — CLASSIFICATION OF USE TYPES
- Part 2 — GLOSSARY OF USE TYPES
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- Title III — LAND USE AND DEVELOPMENT