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Chapter 18.04 — DEFINITIONS

Portola Valley Municipal Code · 2026-09 edition · updated 2026-09-27 · Portola Valley

18.04.010 - Definitions—Generally.

18.04.020 - Construction.

18.04.030 - Accessory structure.

18.04.040 - Accessory use.

18.04.050 - Accessory, individual.

18.04.055 - Affordable housing.

18.04.057 - Reserved.

18.04.060 - Automobile service station.

18.04.065 - Basement.

18.04.070 - Building.

18.04.075 - Building envelope.

18.04.077 - Building height, maximum.

18.04.078 - Building height, vertical.

18.04.080 - Building inspector.

18.04.090 - Building, main.

18.04.100 - Carport.

18.04.110 - Common area.

18.04.112 - Common open space.

18.04.113 - Coverage area.

18.04.114 - Coverage area ratio (CAR).

18.04.115 - Density.

18.04.120 - Development.

18.04.125 - Distribution lines.

18.04.129 - Domestic fence.

18.04.130 - Domestic needs.

18.04.131 - Dooryard.

18.04.133 - Duplex.

18.04.135 - Dwelling, multi-family.

18.04.140 - Dwelling, single-family.

18.04.150 - Dwelling unit.

18.04.151 - Dwelling unit, accessory.

18.04.152 - Dwelling unit, junior accessory.

18.04.153 - Emergency shelter.

18.04.155 - Fence.

18.04.156 - Fence opacity.

18.04.157 - Fire station.

18.04.157.5 - Floor area ratio (FAR).

18.04.160 - Garage, private.

18.04.170 - Ground level, average, finished.

18.04.180 - Guest.

18.04.200 - Guest room.

18.04.210 - Habitable room.

18.04.215 - Horse fence.

18.04.220 - Horses, maintenance for private use.

18.04.230 - Household.

18.04.232 - Impervious area ratio (IAR).

18.04.235. - Landscape area ratio (LAR).

18.04.240 - Lot.

18.04.250 - Lot size.

18.04.255 - Low barrier navigation center.

18.04.256 - Net acre.

18.04.258 - Nonconforming structure.

18.04.260 - Nonconforming use.

18.04.270 - One ownership.

18.04.280 - Open space.

18.04.290 - Open space, required.

18.04.300 - Parcel.

18.50.030 of this title.

18.04.310 - Parcel, corner.

18.04.320 - Parcel definitions.

18.04.330 - Parcel depth.

18.04.340 - Parcel, interior.

18.04.350 - Parcel line, front.

18.04.360 - Parcel line, rear.

18.04.370 - Parcel line, side.

18.04.380 - Parcel, reversed corner.

18.04.390 - Parcel width.

18.04.395 - Porch.

18.04.400 - Refuse.

18.04.405 - Religious institution.

18.04.410 - Repairs, minor automotive.

18.04.415 - Residential care facility.

18.04.420 - Retail store.

18.04.422 - Reserved.

18.04.425 - Service lines.

18.04.430 - Sign.

18.04.440 - Sign, area of.

18.04.450 - Sphere of influence.

18.04.460 - Stable, boarding.

18.04.470 - Stable, community.

18.04.480 - Stable, horse.

18.04.482 - Stoop.

18.04.485 - Story.

18.04.490 - Structure.

18.04.500 - Structural alteration.

18.04.510 - Substantial improvement.

18.04.515 - Supportive housing.

18.04.517 - SB 9 definitions.

18.04.520 - Town planner.

18.04.523 - Transitional housing.

18.04.525 - Transmission lines.

18.04.530 - Use.

18.04.540 - Vegetation, removal of.

18.04.545 - Reserved.

18.04.550 - Yard, interior side.

18.04.555 - Yard, required.

18.04.560 - Yard, required front.

18.04.570 - Yard, required rear.

18.04.580 - Yard, required side.

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