zoneoptics
Redwood City, California · General provision

Article 20

Tidal PlainAll Redwood City districts0

Dimensional standards

lot requirementsSTREETbuildable areaFront 50 ftRear 30 ftSide 30 ftMIN LOT AREA5 acMAX HEIGHT30 ft / 2.5 storiesMAX LOT COVERAGE50%MAX IMPERVIOUS20%
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.

Lot

Minimum lot areaMinimum lot areaThe smallest parcel on which the district allows anything to be built.
217,800 sq ftsq ftSquare feet. An acre is 43,560 sq ft; a typical suburban lot is 7,000–10,000. (5 acacre43,560 square feet — about the size of an American football field without the end zones.)

SetbacksSetbackThe distance a building must be held back from a lot line.

FrontSetbackThe distance a building must be held back from a lot line.
50 ft
RearSetbackThe distance a building must be held back from a lot line.
30 ft
SideSetbackThe distance a building must be held back from a lot line.
30 ft

Height & bulk

Maximum heightMaximum heightThe tallest a building may be, given in feet, in storeys, or both — whichever binds first.
30 ft
Maximum storiesStoreysHabitable floor levels. Whether a basement or attic counts is defined by the local code.
2.5
Maximum lot coverageLot coverageThe share of a lot that buildings may cover, as a percentage.
50%
Maximum impervious coverageImpervious coverageThe share of a lot covered by anything water cannot soak through — roofs, drives, patios.
20%

Housing

Single-familySingle-family dwellingOne dwelling unit on its own lot, usually detached from its neighbours.
prohibitedProhibitedNot allowed in the district at all, short of rezoning or a variance.
Two-family
prohibitedProhibitedNot allowed in the district at all, short of rezoning or a variance.
Three-family
prohibitedProhibitedNot allowed in the district at all, short of rezoning or a variance.
Four-plus family
prohibitedProhibitedNot allowed in the district at all, short of rezoning or a variance.

Servicing

Applies near
San Francisco Bay
Geographic extent
Marsh lands adjacent to San Francisco Bay

Uses

Permitted by right5

Conditional / special use11

Accessory4

  • living quarters of watchmen or caretakers regularly employed on the premises (excluding labor camps and transient labor dwellings)
  • offices necessary to the conduct of a principal use
  • parking lots, garages, and stables
  • other accessory uses and structures customarily appurtenant to a principal use

Extracted standards

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

Other

  • Minimum pervious area80 pct

    A minimum of eighty (80) percent of each lot shall be pervious area, to be composed of landscaping, vegetated open space, or permeable paving materials, consistent with the provisions of Section 32.12 of the Zoning Ordinance...

  • Minimum pervious area reduction with CUP40 pct

    The minimum pervious area requirement may be reduced to not less than forty (40) percent by the Zoning Administrator upon a request for a conditional use permit...

  • Stormwater treatment measures

    All development is also subject to the requirements of Chapter 27A (Stormwater Treatment Measures and Maintenance Program) of the Municipal Code.

From the ordinance

TP Tidal Plain District: permitted uses include agriculture, extraction, parks; height max 30 ft or 2.5 stories; min lot area 5 acres; max lot coverage 50%; front yard 50 ft, side/rear 30 ft; min pervious area 80%.
Article 20