zoneoptics
Napa County Unincorporated, California · General provision

18.50.040, 18.50.060

All Napa County Unincorporated districts0

Dimensional standards

lot requirementsSTREETbuildable areaFront 20 ftMIN LOT AREA10 ac
Plan view of the district’s stated lot requirements. Solid line: the property line. Dashed: the setback lines the ordinance imposes; a building must stay inside the tinted envelope. Drawn from the figures extracted below — illustrative, not a survey.

Lot

Minimum lot areaMinimum lot areaThe smallest parcel on which the district allows anything to be built.
435,600 sq ftsq ftSquare feet. An acre is 43,560 sq ft; a typical suburban lot is 7,000–10,000. (10 acacre43,560 square feet — about the size of an American football field without the end zones.)

SetbacksSetbackThe distance a building must be held back from a lot line.

FrontSetbackThe distance a building must be held back from a lot line.
20 ft

Height & bulk

Minimum landscaping
20%

Uses

Permitted by right5

Conditional / special use8

  • Composting facilities
  • Recycling facilities
  • Sanitary landfills (including closure facilities, leachate extraction, etc.)
  • Solid waste transfer stations
  • Utility service yards
  • Telecommunication facilities, other than satellite earth stations, that do not meet one or more of the performance standards specified in Section 18.119.200
  • Satellite earth stations that cannot, for demonstrated technical reasons acceptable to the director, be located in an Industrial (I), Industrial Park (IP), or General Industrial (GI) zoning district
  • Recreational or other uses requiring no on-site buildings and utilizing an average of not less than two hundred fifty acre-feet of recycled water annually

Extracted standards

12 individual requirements pulled out of this section’s prose, each with the sentence it came from.

Design

  • Architectural design

    All permitted structures shall exhibit a standard of architectural design that maximizes their compatibility with existing structures nearby. Conditions may be applied to ensure that colors, materials, roof pitch, architectural style, glazing and other design features, as appropriate, comply with this standard.

Fencing & walls

Floodplain

  • Watercourse protection

    Any use within the Public Lands Zoning District shall be conducted in compliance with the watercourse protection standards set forth in the Napa County Floodplain Management Ordinance (Chapter 16.04 of this code).

Landscaping & trees

  • Minimum front yardYardThe open space left between a building and its lot line — the space a setback creates. landscaped depth20 ft

    A minimum of twenty feet of the required front yard setback, as established by Section 18.50.050, including exterior lots, shall be permanently landscaped in accordance with these standards.

  • Preferred plant materials

    In the selection of new plant materials, preference shall be given to native and drought-tolerant species, and to species which are hardy, long-lived, and require little maintenance.

  • Preserve existing vegetation

    Existing vegetation, especially mature trees and shrubs and producing perennial agricultural vegetation, shall be preserved whenever practical.

Lighting

  • Light direction

    All lighting shall be directed onto the subject property only, so that the light source is not visible from adjacent properties or streets.

Other

  • Drainage plan required

    No building permit or use permit shall be issued until a drainage plan for the lot or lots involved in the project has been approved by the public works director.

  • Hazardous material storage

    All hazardous, toxic, highly flammable and/or explosive materials shall be stored in a manner acceptable to and approved by the fire chief of the agency providing fire protection to the subject property.

  • Nuisance emissions

    All uses which emit odors, smoke, dust, fly ash, airborne solids, vibrations, glare, heat, or excessive noise shall be conducted in such a manner as to reduce the production thereof to avoid the creation of a public nuisance.

  • Parking surface

    All parking spaces and driveways shall be surfaced by a dust free, all weather surface approved by the director of public works, and the surfacing of all parking spaces and driveways serving those facilities shall be permanently maintained.

Signage

  • Sign standards

    Signs shall be in accordance with the standards set forth in Chapter 18.116 (commencing with Section 18.116.010), with particular attention given to the compatibility of proposed signs to surrounding development and scenic qualities.

From the ordinance

The minimum lot area for all parcels in the PL district located in areas designated agricultural resource or agriculture, watershed and open space on the General Plan Land Use Map shall be ten acres. A minimum of twenty feet of the required front yard setback... shall be permanently landscaped
18.50.040, 18.50.060

Use details

{
  "dropped_conditions": {
    "conditional_uses": [
      "Commercial renewable energy facilities provided the site is not located on land with a General Plan designation of Agriculture, Watershed, and Open Space, Agricultural Resource, or Rural Residential"
    ]
  }
}