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.

(Ord. 1967-80 § 1 (6207.1), 1967)

Entryway features are subject to the following limitations:

A.

In residential zoning districts requiring a parcel area of one acre or more, entryway features consisting of, but not limited to, pillars, posts, gates and appurtenances thereto, including lighting, but excepting mail boxes, shall be set back from the road right-of-way a distance equal to at least one-half of the required front yard.

B.

Free-standing mail boxes are permitted on private property provided they are of a U.S. government approved type and supported by a structure with a cross-section that does not exceed one half of the cross section of the bottom of the mail box. Alternate designs require ASCC approval.

C.

Entryway features that require a building permit are subject to approval by the ASCC.

D.

Entryway features that are remodeled, or are rebuilt following removal or damage to fifty percent or more of the value of the feature, must conform to the requirements for new entryway features.

(Ord. 2001-338 § 1 (part), 2001)

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

(Ord. 2018-424, § 2, 2018; Ord. 2001-338 § 2 (part), 2001)

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

B.

Accessory structures used for the housing of livestock shall conform with the additional requirements of other ordinances of the town regulating structures for livestock.

(Ord. 1967-80 § 1 (6207.2), 1967)

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.

(Ord. 1967-80 § 1 (6207.3), 1967)

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:

1.

When located in any required front yard or required side yard abutting a street right-of-way, the limit is four feet.

2.

When located in any required rear or interior side yard, the limit is six feet.

(Ord. 2008-372 § 1, 2008; Ord. 2005-360 § 2, 2005; Ord. 2001-338 § 3 (part), 2001; Ord. 1988-242 § 2 (Exh. A) (part), 1988; Ord. 1967-80 § 1 (6207.4), 1967)

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. Further, the ASCC may approve a proposed side or rear yard location only if it makes the following findings:

A.

There is no reasonable alternative location on the site that conforms with required setbacks, is or can be screened so as to not be high visible from important viewing areas on nearby properties, and has at least equivalent access to necessary television or microwave signals;

B.

The siting will not adversely impact emergency access;

C.

The antenna location and structure, including design, height, color, etc., will not be highly visible from important viewing areas on nearby properties;

D.

If existing vegetation, relied upon for antenna screening, is removed, the antenna will not become highly visible from important viewing areas on nearby properties.

(Ord. 1995-282 § 1 Exh. A (part), 1995)