Napa County Unincorporated

Outdoor noise producing construction activities shall only take place on weekdays (Monday through Friday) between the hours of seven-thirty a.m. and five-thirty p.m... Backup generators shall only be operated during power outages and for testing and maintenance purposes... Traffic shall at all times be kept to an absolute minimum, but in no case more than one round trip per day on an average annualized basis once construction is complete.

No telecommunication facility shall be sited or operated in such a manner that it poses, either by itself or in combination with other such facilities, a potential threat to public health. To that end no telecommunication facility or combination of facilities shall produce at any time power densities in any inhabited area as this term is defined in Section 18.08.325 that exceed the ANSI C95.1-1992 standard for human exposure... Initial compliance with this requirement shall be demonstrated for any facility within four hundred feet of an inhabited area...

Establishment of a telecommunication facility may, where permitted under the provisions of Chapters 18.16 through 18.100, be authorized by a site plan approval pursuant to Chapter 18.140 so long as said facility meets all the following conditions: ... The areas disturbed have average slopes of under thirty percent; ... The facility is incapable of producing effective radiated power levels in excess of ten thousand watts; ... The facility will generate no more than one trip per week on an average annualized basis once construction is complete; ... The height of any new telecommunications tower, other than a tower on a multiple-user site or co-located with a quasi-public facility, is less than one hundred fifty feet; ... The height of any new uncamouflaged or unscreened telecommunications tower on a multiple-user site or when co-located with a quasi-public facility shall be less than thirty-five feet; ... Less than three hundred feet of new road has been (or would be) installed to serve the planned facility; ... No new cuts or fills would be higher than three feet individually or four feet in aggregate at any given location; ... No trees larger than six inches in diameter have been (or would be) removed.

Modification of a previously-approved telecommunication facility may be authorized by site plan approval... The modified facility will generate no more than two trips per week... The overall height of the telecommunication tower with all planned antennas and other equipment attached has not been increased by more than ten feet... The gross cross-sectional area or silhouette of the telecommunications tower involved with related antennas, dishes and other devices attached has not, from any aspect, been increased by more than twenty-five percent...

Notice of installation of any mockup shall be provided by placing a display advertisement... This notice shall be mailed to all property owners within one thousand feet of the parcel(s)... Notice of the public hearing on a use permit authorizing the establishment or modification of a telecommunication facility shall be provided to the operators of all telecommunication facilities within one mile of the subject parcel...

Minor antennas as defined in Section 18.08.378 may be installed, erected, maintained, and/or operated in any zoning district where such antennas are permitted under this title so long as all the following conditions are met: No more than three other antenna or satellite dishes larger than two feet in diameter... The combined effective radiated power radiated by all the antenna present on the parcel is less than one thousand five hundred watts... The antenna is located outside all yard and street setbacks specified in Chapters 18.104 and 18.112 and no closer than twenty feet to any property line...

no building or other structure, or land, shall hereafter be used or occupied, and no building or other structure or part thereof shall hereafter be erected, constructed, moved or structurally altered except in conformity with all of the regulations herein established for the zoning district in which it is located.

No commercial use shall be permitted of any property located in the unincorporated area of the county other than as is specifically authorized within the provisions of Title 18.

The following uses, in addition to those hereinbefore set forth, shall be allowed without a use permit in any zoning district: ...

In any district in which a single-family dwelling is a permitted use, a single-family dwelling and accessory buildings may be constructed on any legally created lot notwithstanding that such lot may have become substandard by the later imposition of minimum width or minimum area regulations which it does not meet as long as such construction complies with all state and federal laws and regulations and all other regulations of this code.

minor expansions of structures as determined by the director may be allowed for (i) accessory storage use added after November 1, 2008 and constituting no more than five hundred square feet of surface area cumulatively, and only for those legal nonconforming parcels in existence on July 1, 1993 which were used primarily for restaurant operations

voluntary abandonment shall mean cessation of the use or portion thereof for six consecutive months or twelve nonconsecutive months in any two-year period or, if the use is seasonal, for more than one season; except, that if the cessation is caused by the destruction ... then the use shall be deemed voluntarily abandoned only if not recommenced within two years

For residential projects, the public hearing may be waived and the director is authorized to render an administrative decision if, after providing notice of the intended decision and right to request a public hearing to property owners within one thousand feet of the project parcel

any restaurant located immediately adjacent to Highway 29, on a parcel of land which is contiguous to an incorporated city, may use any existing outdoor porch or patio areas for seating and service of restaurant patrons at not more than twenty additional tables with not more than eighty additional seats ... and may enclose an area not greater than five hundred square feet ... must include one parking space for each one hundred twenty feet of area utilized for the seating and service of restaurant patrons

Landmarks of Special Significance listed in subsection (C) of Section 15.52.035 may be reused for their historic uses as set forth in subsection (E) of Section 15.52.040 subject to the procedures and findings in Chapter 18.124 and the findings in Section 18.104.430.

The following uses shall be allowed in all AP districts without use permits: A. Agriculture; B. One single-family dwelling unit per legal lot; ... F. Accessory dwelling units, and one junior accessory dwelling unit, providing that all of the conditions set forth in Section 18.104.180 are met;

Accessory dwelling units, and one junior accessory dwelling unit, providing that all of the conditions set forth in Section 18.104.180 are met;

One single-family dwelling unit per legal lot; Accessory dwelling units, and one junior accessory dwelling unit, providing that all of the conditions set forth in Section 18.104.180 are met;

The intent of the AV classification is to provide areas consistent with the general plan that: A. Provide sites in public and private ownership for the operation of airports...

The regulations shown for AV districts in the Schedule of Zoning District Regulations, Section 18.104.010, shall apply to each structure and to each use of land within the airport district.