Napa County Unincorporated

In the AW zoning district, a minimum of seventy percent vegetation canopy cover as configured on the parcel existing on June 16, 2016 shall be maintained as part of any use involving earth-disturbing activity.

In the AW zoning district, a minimum of seventy percent vegetation canopy cover as configured on the parcel existing on June 16, 2016 shall be maintained as part of any use involving earth-disturbing activity. ... In the AW zoning district, the removal of any vegetation canopy cover shall be mitigated by permanent replacement or preservation of comparable vegetation canopy cover, on an acreage basis at a minimum 3:1 ratio.

No land clearing or earthmoving activities ... shall take place within the following minimum setbacks from streams: ... Ephemeral or intermittent streams ... shall have a minimum 35-foot setback.

Ephemeral or intermittent streams that do not meet the criteria for a stream as defined in Section 18.108.030 shall have a minimum 35-foot setback.

Construction of main or accessory structures, earthmoving activity, land clearing or agricultural uses of land as defined by Section 18.08.040 shall be set back 50 feet from the delineated wetland boundary.

No earthmoving activities shall take place within 500 feet of the Kimball Reservoir and Bell Canyon Reservoir, or within 200 feet of any other sensitive domestic water supply.

No earthmoving activities shall take place within 500 feet of the Kimball Reservoir and Bell Canyon Reservoir, or within 200 feet of any other sensitive domestic water supply. ... A minimum of seventy percent of the tree canopy cover ... shall be maintained.

no construction, improvement, grading, earthmoving activity or vegetation removal associated with the development or use of land shall take place on those parcels or portions thereof generally having a slope of thirty percent or greater unless exempt under Sections 18.108.050 or 18.108.055 or unless an exception through the use permit process is granted pursuant to Section 18.108.040.

No construction, improvement, grading, earthmoving activity or vegetation removal ... shall take place on those parcels or portions thereof generally having a slope of thirty percent or greater ... unless exempt ... or unless an exception through the use permit process is granted. ... No structure, improvement, grading, earthmoving activity, vegetation removal or development shall be permitted on a slope greater than fifty percent unless exempt.

No otherwise permitted agricultural earthmoving activity, grading, or improvement, shall commence on slopes over five percent until an erosion control plan which complies with the requirements of Section 18.108.080 has been submitted to and approved by the director.

Grading and earthmoving activities on slopes greater than five percent shall be limited to the period between April 1 and October 15

Except as permitted above, all tenant identification signs shall be wall-mounted near the tenant's public entry door and shall be standardized to the extent possible to conform to other tenant identification signs on the same building, and to reflect the proportional occupancy of space in the same building.

Street and industrial park names may be placed on permanent informational signs serving that purpose only, where approved as complementary to the master sign program for the area. Such signs may not exceed six square feet in area or twelve feet in height.

All permitted monument signs shall be constructed of durable, permanent, high quality materials such as stone, wood, concrete, treated metal, or masonry that match major building materials. All permitted wall signs shall be constructed of materials that are compatible with the architectural style of the buildings to which they are affixed. Temporary and movable signs are not permitted.

Site and building identification signs may be externally lit in accordance with landscape lighting scheme for the site. Tenant identification and directional signs may not be illuminated. Sign illumination shall not create aviation hazards of any kind, including, but not limited to direct skyward projection, glare or mimicry of airport lights. Sign illumination shall not intrude onto adjoining sites or roadways.

Permitted directional signs shall comply with the following standards: A. Size and dimension: Directional signs may not exceed a copyboard height of one foot nor a length of three feet. B. Height: The total height of a directional sign, including the post or standard upon which a directional sign is placed, shall generally lie below the normal vehicular line of sight to the horizon, and may not exceed six feet above the centerline of any adjacent vehicular right-of-way.

All winery signs, including, but not limited to any sign containing 'open,' 'closed,' hours of operation, or identifying sales of wine, shall be governed by use permit or a comprehensive sign plan, and shall be compatible with the design and scale of the winery, its site, structures, and surrounding area. ... One or more freestanding sign faces limited to a combined total of thirty square feet; One or more wall signs limited to a combined total of twelve square feet; A freestanding sign shall have no feature exceeding a height of six feet above the natural grade or four feet above the centerline of an adjoining roadway, whichever is the greater.

The following signs shall be prohibited: A. Any sign identifying a use, facility or service which is not located on the premises... B. Any sign that projects above the building wall or roof to which it is affixed; C. Any illuminated sign of such brightness as to create a hazardous or annoying glare; D. Any sign erected at or near an intersection in such a manner as to obstruct clear vision... E. Any sign which, by virtue of its design, is readily movable... F. Statuary or representational figures used for advertising purposes; G. Signs that include any moving part or any flashing, blinking, fluctuating or intermittent light; H. Signs that emit sound or odor; I. Signs that display exposed artificial lighting... J. Any sign that has fallen into a state of disrepair... K. Any sign for which a required permit... has not been obtained; L. More than one agricultural sign... M. No property may be identified by both an on-site agricultural... and an off-site agricultural association sign; N. Within airport compatibility (:AC) zoning districts, any sign that causes a nuisance or hazard for aviation; O. Any freestanding sign of which any part is more than fifteen feet above the ground; and P. Any freestanding sign exceeding fifty square feet in which either the height or the width of the copy area exceeds fifteen feet.

No sign shall exceed a height of twelve feet, measured from the uppermost point on the sign structure to the ground immediately below such point.

Signs may be illuminated only if expressly authorized herein or by permit conditions. Reflected light or spillover light may not fall upon surrounding properties. Neon and internally illuminated signs are prohibited unless they are located in commercial and industrial zoning districts and approved as part of a comprehensive sign plan.