Article 20
Redwood City Zoning Code · 2026-06 edition · updated 2026-07-06 · Redwood City
TP (TIDAL PLAIN) DISTRICT
Sections:
| 20.1 | Purpose. |
|---|---|
| 20.2 | Permitted Uses. |
| 20.3 | Accessory Uses. |
| 20.4 | Conditional Uses. |
| 20.5 | Height Regulations. |
| 20.6 | Lot Area. |
| 20.7 | Lot Coverage. |
| 20.8 | Yard Requirements. |
| 20.9 | Minimum Pervious Area and Stormwater Requirements. |
20.1 Purpose. ¶
To create a district for the marsh lands adjacent to San Francisco Bay and to permit certain types of development therein of a relatively temporary nature which can ultimately be replaced by permanent development under another more appropriate zoning district. (Ord. 1130, eff. 7-10-64)
20.2 Permitted Uses. ¶
The following structures and uses are permitted in the TP District:
A. Agriculture;
B. Extraction of chemicals from sea water by natural evaporation and extraction of oyster shells or other deposits from San Francisco Bay;
C. Public parks and public recreation areas or facilities.
(Ord. 1130, eff. 7-10-64)
20.3 Accessory Uses. ¶
The following structures and uses are permitted in the TP District when accessory to a use permitted under Sections 20.2 and 20.4:
A. Living quarters of watchmen or caretakers regularly employed on the premises; but not including labor camps and dwellings for transient labor;
B. Offices necessary to the conduct of a principal use;
C. Parking lots, or garages, and stables;
D. Other accessory uses and structures customarily appurtenant to a principal use.
(Ord. 1130, eff. 7-10-64)
101
(Redwood City Zoning Supp. No. 16, 11-15)
20.4
20.4 Conditional Uses. ¶
The following structures and uses are permitted in the TP District subject to first securing a use permit therefor:
A. Commercial recreation areas, uses, or facilities, including shooting clubs or facilities and marinas, but not including facilities in which the principal use is enclosed in a permanent building such as bowling alleys;
B. Outdoor theaters, golf driving ranges, swimming pools, beaches, carnivals, and circuses;
C. Airports, race tracks, and rodeo or exposition grounds;
D. Dirt, gravel, rock, or fill businesses, not including concrete or asphalt batch plants;
E. Public or private sewage disposal plants or the production of fertilizer therefrom;
F. Equipment or materials storage or salvage yards, petroleum or inflammable liquids storage, and explosives storage or testing;
G. Sanitary land fill operations;
H. Radio, radar, or television transmission or receiving facilities;
I. Public or quasi-public uses;
J. Refuse or garbage disposal;
K. Warehouses and storage buildings.
(Ord. 1130, eff. 7-10-64)
20.5 Height Regulations. ¶
The maximum building height for all structures is 30 feet or 2.5 stories, whichever is less. (Ord. 1130, eff. 7-10-64)
(Ord. No. 1130-364, § 11(Exh. J), 8-24-15)
20.6 Lot Area. ¶
The minimum lot area shall be five (5) acres.
(Ord. 1130, eff. 7-10-64)
20.7 Lot Coverage. ¶
Not more than fifty (50) percent of the lot area shall be covered by buildings. (Ord. 1130, eff. 7-10-64)
20.8 Yard Requirements. ¶
The following yards are required:
A. Front yards: Front yards shall have a minimum depth of fifty (50) feet;
B. Side yards: Side yards shall have a minimum width of thirty (30) feet;
C. Rear yards: Rear yards shall have a minimum depth of thirty (30) feet.
(Ord. 1130, eff. 7-10-64)
(Redwood City Zoning Supp. No. 16, 11-15)
102
20.9
20.9 Minimum Pervious Area and Stormwater Requirements. ¶
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, as that section may be amended from time to time. All development is also subject to the requirements of Chapter 27A (Stormwater Treatment Measures and Maintenance Program) of the Municipal Code, as that chapter may be amended from time to time. 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, subject to an additional finding that other proposed stormwater treatment methods are adequate to comply with the provisions of Section 32.12 of the Zoning Ordinance and Chapter 27A of the Municipal Code. Such alternate stormwater treatment methods must be determined by the Engineering and Construction Division to reduce stormwater pollutants to an equivalent or greater level than would be achieved providing the required pervious area. (Ord. 1130.336 § 17, eff. 1-5-06)
103
(Redwood City Zoning Supp. No. 16, 11-15)
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