Humboldt County Municipal Code § 6.1 Rs: Residential Suburban Zone

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) 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.

314-6.1 RS: RESIDENTIAL SUBURBAN Uses Permitted With a Use Permit Private institutions. Private recreation facilities, including golf courses. 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.

314-6.1 RS: RESIDENTIAL SUBURBAN Maximum Ground Coverage Thirty-five percent (35%). Maximum Building Height Thirty-five feet (35').

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

The Residential One-Family or R-l Zone is intended to be applied in areas of the County in which topography, access, utilities and public services make the area suitable and desirable for low density residential development. The following regulations shall apply in all Residential One-Family or R-l Zones. (Former Section INL#314-24; Ord. 1235, Sec. 1, 6/13/78; Amended by Ord. 1738, Sec. 2, 5/20/86; Amended by Ord. 1848, Sec. 10, 9/13/88; Amended by Ord. 1876, Sec. 5, 9/26/89) 314-6.2 R-1: RESIDENTIAL ONE-FAMILY Principal Permitted Uses One (1) family dwelling. Accessory dwelling unit. Single-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 over two (2) persons not employed on the premises. Keeping of no more than four (4) household pets on each lot. Uses Permitted With a Use Permit Guest houses and servants quarters. Public and private noncommercial recreation facilities, including golf courses. 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. Any use not specifically enumerated in this division, if it is similar to and compatible with the uses permitted in the R-1 Zone.

314-6.2 R-1: RESIDENTIAL ONE-FAMILY 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 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 Thirty-five percent (35%). Maximum Building Height Thirty-five feet (35').

• 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#314-24(a)(1-3); INL#314-24(b)(1-3); INL#314-24(c)(1-6))

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) 314-6.3 R-2: RESIDENTIAL TWO-FAMILY Principal Permitted Uses One (1) family dwellings. Two (2) family dwellings. 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').

314-6.3 R-2: RESIDENTIAL TWO-FAMILY 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 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').

• 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))

The Residential Multiple Family or R-3 Zone is intended to apply in areas of the County where it is reasonable to permit and protect low density apartment developments. The following regulations shall apply in all Residential Multiple Family or R-3 Zones. (Former Section INL#314-30; Ord. 519, Sec. 440, 5/11/65; Amended by Ord. 1848, Sec. 12, 9/13/88; Amended by Ord. 1876, Sec. 7, 9/26/89; Amended by Ord. 2166, Sec. 12, 4/7/98; Amended by Ord. 2472, Sec. 1, 2/14/12) 314-6.4 R-3: RESIDENTIAL MULTIPLE FAMILY Principal Permitted Uses Two (2) family dwellings. (Amended by Ord. 2166, 4/7/98) Accessory dwelling unit. Dwelling groups and multiple dwellings containing four (4) or fewer units per building.

314-6.4 R-3: RESIDENTIAL MULTIPLE FAMILY Tiny house villages and dependent unit villages with connection to public water and wastewater. Supportive housing and transitional housing subject only to restrictions that apply to other residential dwellings of the same type in the same zone. Emergency dependent unit villages. Keeping of no more than two (2) household pets for each dwelling unit. Emergency shelters. Single-room occupancy facilities. Uses Permitted With a Special Permit Tiny house villages and dependent unit villages without connection to public water and wastewater. Uses Permitted With a Use Permit Hotels, motels, manufactured home parks, and rooming and boarding houses. (Amended by Ord. 2335, 12/14/04) Alternative lodge parks. Private institutions. Professional offices. One (1) family dwellings and accessory dwelling units where it can be shown that the property could be developed in the future with multifamily dwellings. The Hearing Officer may require submittal of a development plan which shows how the multifamily dwelling units could be sited on the property in conformance with County requirements. (Added by Ord. 2166, Sec. 12, 4/7/98) Any use not specifically enumerated in this division, if it is similar to and compatible with the uses permitted in the R-3 Zone. Other Regulations Minimum Lot Area 5,000 square feet, but not less than 500 square feet for each dwelling unit. Minimum Lot Width Fifty feet (50'). Maximum Lot Depth Three (3) times lot width.

314-6.4 R-3: RESIDENTIAL MULTIPLE FAMILY 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 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. Special yards for multiple dwellings on the same lot The distance between separate dwelling units in a group on the same lot shall be not less than ten (10) feet. (Amended by Ord. 2214, 6/6/00) The distance between the front of any dwelling unit in the group and any other building shall be not less than twenty feet (20'). The distance between the front of any dwelling unit in the group and any side lot line shall be not less than twelve feet (12'). All of the above distances shall be increased by two feet (2') for each two feet (2') that any building on the lot exceeds two (2) stories. Maximum Ground Coverage Sixty percent (60%). Maximum Building Height Forty-five feet (45'). Maximum Density The maximum density as specified by the General Plan. The maximum density for the parcel shall be calculated as the maximum density permitted by the General Plan land use designation (i.e. number of dwelling units per acre) divided by the total area within the lot and within one-half of any adjacent street(s). (Added by Ord. 2313A, 12/16/03) Design Considerations (Advisory only) The following items shall guide the design of projects involving more than four (4) units:

314-6.4 R-3: RESIDENTIAL MULTIPLE FAMILY

• Avoid letting garages, driveways and parking lots dominate the streetscape.
• Design to minimize conflicts between vehicles and pedestrians.
• Design public open areas to the same level of quality as any other “space” in the development.
• Provide direct access to open space from the dwelling units that the open space is intended to serve.
• Provide visual access to shared open spaces from individual units, preferably from the kitchen, living room or dining room.
• Avoid lighting which shines directly into dwelling units on- and off-site.
• Private outdoor space, including patios, porches, decks, balconies and yards should be of adequate size and within easy access of each dwelling unit.
• Good landscaping is critical to the quality of any multifamily project. (Added by Ord. 2313A, 12/16/03)

• 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#314-30(a)(1-3); INL#314-30(b)(1-4); INL#314-30(c)(1-7; Amended by Ord. 2166, 4/7/98)

The Apartment Professional or R-4 Zone is intended to apply in areas suitable for higher density residential uses and for professional and business offices and institutional uses. The following regulations shall apply in all Apartment Professional or R-4 Zones. (Former Section INL#314-31; Ord. 519, Sec. 440, 5/11/65; Amended by Ord. 1848, Sec. 13, 9/13/88; Amended by Ord. 1876, Sec. 8, 9/26/89; Amended by Ord. 2166, Sec. 13, 4/7/98; Amended by Ord. 2472, Sec. 1, 2/14/12) 314-6.5 R-4: APARTMENT PROFESSIONAL Principal Permitted Uses Two (2) family dwellings and multiple dwellings, accessory dwelling units accessory to multifamily dwellings, and dwelling groups. (Amended by Ord. 2166, Sec. 13, 4/7/98) Tiny house villages and dependent unit villages with connection to public water and wastewater. Supportive housing and transitional housing subject only to restrictions that apply to other residential dwellings of the same type in the same zone.

314-6.5 R-4: APARTMENT PROFESSIONAL Professional and business offices. Commercial instruction. Boarding and rooming houses. Keeping of no more than two (2) household pets for each dwelling unit. Manufactured home parks. Single-room occupancy facilities. Uses Permitted With a Special Permit Tiny house villages and dependent unit villages without connection to public water and wastewater. Uses Permitted With a Use Permit Hotels, motels and emergency shelters. (Amended by Ord. 2335, 12/14/04) Alternative lodge parks. Private institutions. Social halls and fraternal and social organizations. Noncommercial recreation facilities. Mortuaries. Small animal hospitals completely enclosed within a building. One (1) family dwellings where it can be shown that the property could be developed in the future with multifamily dwellings. The Hearing Officer may require submittal of a development plan which shows how the multifamily dwelling units could be sited on the property in conformance with County requirements. (Added by Ord. 2166, Sec. 13, 4/7/98) Any use not specifically enumerated in this division, if it is similar to and compatible with the uses permitted in the R-4 Zone.

314-6.5 R-4: APARTMENT PROFESSIONAL Other Regulations Minimum Lot Area 5,000 square feet, but not less than 500 square feet for each dwelling unit. Minimum Lot Width Fifty feet (50'). Maximum Lot Depth Three (3) times lot width. Minimum Yard Setbacks* Front Twenty (20) feet. Rear Ten (10) feet. Interior Side Five (5) feet. Exterior Side Same as front or one-half (l/2) the front if all parts of the main building are more than twenty-five (25) feet 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 (20 feet, except the rear yard setbacks may be reduced to ten (10) feet 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. Special yards for multiple dwellings on the same lot The distance between separate dwelling units in a group on the same lot shall be not less than ten feet (10'). (Amended by Ord. 2214, 6/6/00) The distance between the front of any dwelling unit in the group and any other building shall be not less than twenty feet (20'). The distance between the front of any dwelling unit in the group and any side lot line shall be not less than twelve feet (12'). All of the above distances shall be increased by two feet (2') for each two feet (2') that any building on the lot exceeds two (2) stories. Maximum Ground Coverage Sixty percent (60%). Maximum Building Height Forty-five feet (45').

314-6.5 R-4: APARTMENT PROFESSIONAL Other Regulations Maximum Density The maximum density as specified by the General Plan. The maximum density for the parcel shall be calculated as the maximum density permitted by the General Plan land use designation (i.e. number of dwelling units per acre) divided by the total area within the lot and within one-half of any adjacent street(s). (Added by Ord. 2313A, 12/16/03) Design Considerations (Advisory Only) The following items shall guide the design of projects involving more than four (4) units:

• Avoid letting garages, driveways and parking lots dominate the streetscape.
• Design to minimize conflicts between vehicles and pedestrians.
• Design public open areas to the same level of quality as any other “space” in the development.
• Provide direct access to open space from the dwelling units that the open space is intended to serve.
• Provide visual access to shared open spaces from individual units, preferably from the kitchen, living room or dining room.
• Avoid lighting which shines directly into dwelling units on- and off-site.
• Private outdoor space, including patios, porches, decks, balconies and yards should be of adequate size and within easy access of each dwelling unit.
• Good landscaping is critical to the quality of any multifamily project. (Added by Ord. 2313A, 12/16/03)

• 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#314-31(a)(1-6); INL#314-31(b)(1-7); INL#314-31(c))

Principal Permitted Uses. The following use types are permitted pursuant to the Development Permit Procedures in Chapter 2 of this division. (Former Section INL#314-20; Added by Ord. 2205, Sec. 1, 4/11/00) 314-6.6 RA: RURAL RESIDENTIAL AGRICULTURE Use Type Principal Permitted Use

314-6.6 RA: RURAL RESIDENTIAL AGRICULTURE Residential Use Types Single-Family Residential Accessory Dwelling Unit (Amended by Ord. 2167, Sec. 16, 4/7/98) Civic Use Types Minor Utilities Agricultural Use Types General Agriculture Industrial Use Types Cottage Industry; subject to the Cottage Industry Regulations (Amended by Ord. 2167, Sec. 16, 4/7/98) Use Type Conditionally Permitted Use Residential Use Types Guest House Civic Use Types Essential Services Community Assembly Public Recreation and Open Space Solid Waste Disposal; subject to the Solid Waste Disposal Regulations Oil and Gas Pipelines; subject to the Oil and Gas Pipeline Regulations Major Electrical Distribution Lines; subject to the Electrical Distribution Lines Regulations Minor Generation and Distribution Facilities Commercial Use Types Neighborhood Commercial Private Recreation Agricultural Use Types Stables and Kennels Intensive Agriculture Commercial Timber Use Type Timber Production Extractive Use Type Surface Mining – 2; subject to the Surface Mining Regulations Natural Resource Use Types Fish and Wildlife Management Watershed Management Wetland Restoration Coastal Access Facilities 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 RA Zone.

314-6.6 RA: RURAL RESIDENTIAL AGRICULTURE Development Standards Minimum Lot Size and Minimum Lot Width Zone Designation Minimum Lot Size Minimum Lot Width RA-1 1.0 acre 150 feet RA-2 2.0 acres 175 feet RA-2.5 2.5 acres 175 feet RA-5 5.0 acres 250 feet RA-10 10.0 acres 350 feet RA-20 20.0 acres 475 feet RA-40 40.0 acres 750 feet Maximum Lot Depth Four (4) times the lot width. Maximum Density Either one (1) dwelling unit per lawfully created lot or two (2) dwelling units per lawfully created lot if a Special Permit is secured for a second residential unit. (Amended by Ord. 2167, Sec. 16, 4/7/98) Minimum Yard Setbacks* Minimum Lot Size Less Than