Portola Valley, California · General provision

Chapter 18.44 (Sections 18.44.010-18.44.090)

Dimensional standards

lot requirementsSTREETMIN 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.

Uses

Conditional / special use1

Extracted standards

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

Environmental

  • Noise and dust control

    Noise, dust, odor, smoke and vibration shall be limited or controlled so as not to be detrimental to uses within the development or on adjoining properties.

Other

  • C-C and A-P housing

    In C-C and A-P districts on those parcels identified in either the Nathhorst Triangle Area Plan or the Village Square Area Plan as suitable for housing, detached or attached single-family homes may be permitted.

  • Common area requirement

    A common area which is intended to serve a planned unit development shall be held as one parcel in which the owner of each parcel served by the common area in the planned unit development shall have an undivided interest. An appropriate open space or conservation easement covering the common area and suitable to the town shall be dedicated to the town.

  • Development start time1 year

    Unless an extension of time is granted by the planning commission, a conditional use permit for a planned unit development shall be void if no development has started and there has been no substantial progress within one year from the date the conditional use permit was granted.

  • Maximum affordable units4 units

    On lots to be developed for housing pursuant to Section 17.20.215, up to four attached or detached affordable dwelling units may be allowed on a parcel, provided, that the combined floor area of these units does not exceed that which would otherwise be permitted were the parcel developed for a single-family residence.

  • The maximum amount of impervious surface on parcels in a planned unit development may be established for the planned unit development.

  • Minimum building spacing

    The spacing between main buildings shall be at least equivalent to the spacing which would be required between buildings similarly developed under the terms of this title on separate parcels.

  • Yards not less in dimension than required in the combining district in which situated shall be provided along the parcel lines bounding each planned unit development.

  • R-1 spacing waiver

    In R-1 districts this requirement for space between buildings may be waived if the planning commission finds that reduction or elimination of space between main buildings will result in significant advantages in preserving natural features and adaptation to terrain.

  • Traffic capacity

    The development shall not produce a volume of traffic in excess of the capacity for which the access streets are designed.

Parking

  • Parking requirement

    Parking spaces shall be provided consistent with Section 18.60.110 in a garage or carport and adequate parking space for visitors shall be provided in reasonable proximity to each dwelling unit.

From the ordinance

Planned unit developments are permitted... Application shall be made for a conditional use permit... The parcel... shall include an area of at least ten acres...
Chapter 18.44 (Sections 18.44.010-18.44.090)