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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