Portola Valley

A. A maximum of twelve plants may be grown on the premises for commercial purposes. C. Commercial cannabis shall not be grown in the zoning setbacks for the premises. D. All premises shall also be located a minimum of six hundred feet from any sensitive receptor.

Each business, profession, or service is allowed on the same parcel with the establishment two permanent identification signs... maximum total size ... one-half square foot of sign area per one lineal foot of the building frontage, or twenty-four square feet maximum

Each business, profession, or service is allowed on the same parcel with the establishment two permanent identification signs... maximum total size ... one-half square foot of sign area per one lineal foot of the building frontage, or twenty-four square feet maximum

Each business, profession, or service is allowed on the same parcel with the establishment two permanent identification signs... maximum total size ... one-half square foot of sign area per one lineal foot of the building frontage, or twenty-four square feet maximum

The scenic corridor areas comprised of all properties abutting Portola Road, along its entire length, and Alpine Road, along its entire length, are hereby made exempt from the provisions of Section 13531 of the California Business and Professions Code.

Except as provided in Section 18.42.030, detached accessory structures shall conform with the yard, height, and coverage requirements set forth in Chapters 18.42 and 18.48 through 18.60.

In residential zoning districts requiring a parcel area of one acre or more, entryway features ... shall be set back from the road right-of-way a distance equal to at least one-half of the required front yard.

Outdoor lighting for all accessory structures shall conform to Section 18.36.040.A.8, outdoor illumination, of the Portola Valley Municipal Code.

In R districts, no accessory building shall be located closer to the nearest part of a main building than ten feet.

Ornamental garden structures which do not exceed twelve feet in height may occupy required yard areas provided that, in case of structures exceeding four feet in height, the building coverage does not exceed five percent of the area of the required front yard, ten percent of required side and rear yards, and that on corner lots such structures shall not exceed four feet in height if located within fifty feet of the intersected street lines.

Fences may be located within required yard areas subject to the following provisions. A. Fences in Residential, Mountainous-Residential (M-R) and Open-Area (O-A) zoning districts are subject to the provisions of Chapter 18.43. B. Fences in all zoning districts other than Residential, Mountainous-Residential (M-R) and Open-Area (O-A) zoning districts are subject to the following height limits for the fence and any appurtenances: [table]

Antennas designed to receive television or microwave signals transmitted from satellite or terrestrial stations may be located in required side or rear yard areas; provided, that the location is found appropriate and approved by the architectural and site plan review requirements of Chapter 18.64.

Any legally existing nonconforming structure or nonconforming use, may be continued even though such structure or use may not conform to the provisions of this title for the district in which it is located. Such repairs and maintenance work as are required to keep a nonconforming structure or a structure occupied by a nonconforming use in sound condition may be made.

A nonconforming structure or a structure occupied by a nonconforming use that is involuntarily damaged to less than fifty percent of the structure's current appraised value at the time of damage, may be repaired or reconstructed up to the same height, floor area, building coverage, yard, special building setbacks and impervious surfaces that existed prior to the structure being damaged.

A building for human occupancy that does not conform to special building setback lines - EF (earthquake fault) and is damaged by any cause... if rebuilt, shall conform to the following provisions... be located a minimum of fifty feet from the most recent active fault...

Any use existing on August 17, 1967, which is listed as a conditional use in the district wherein located, shall be and remain a nonconforming use until a conditional use permit is obtained... No existing structure occupied by a use not permitted by this title in the district in which such structure is located shall be enlarged, extended, reconstructed, substituted or structurally altered except when required to do so by law or order, unless the use thereof is changed to a use permitted in the district...

Where the nonconforming use of a structure, which was originally designed for a nonconforming use, has ceased for twelve months or more, such structure shall not thereafter be put to a nonconforming use.

Parcel area is the total of the area measured in a horizontal plane, within the parcel lines bounding the parcel, exclusive of: A. Easements for streets or driveways which are not for the exclusive use of the parcel on which any such easement is located; B. Any portion of an individual accessway in excess of five percent of the parcel area required in the district.

The following are recognized as parcels for the purpose of use and development under provisions of this title even though less in dimension or area than required by this title and may be used by the owner of the parcel or his successor in interest as a building site for a principal use permitted in the district provided that all other regulations for the district are complied with: A. Any lot or unit of land established prior to October 6, 1937 which has not been merged by the town; B. Any lot in a subdivision established in full compliance with subdivision regulations in force at the time, provided the subdivision map was recorded subsequent to October 6, 1937 and provided the lot has not been merged by the town; C. Any unit of land caused by the merger of lots or units of land by Resolution No. 1137-1985 of the town council or as may otherwise be merged by the town council.

For lands included in an S-D combining district, the values set forth in Table 3, as based on the formulae given therein, apply in lieu of the values for minimum parcel areas set forth in Table 1 in Section 18.48.010. ... (1) Gross area = 1 / (0.89 - 0.0223(S-15)) (2) Minimum parcel area = 1 / (1.0 - 0.0253(S-15)) where S is the average ground slope in percent.