Redwood City, CA Environmental Rules: Flood Zones (2026)

8 adopts by reference the flood insurance study dated November 17, 1981, and the accompanying flood insurance rate maps dated May 17, 1982, plus later amendments, as the minimum boundary of that special flood hazard area; the study and maps are kept on file with the City Engineer at 1017 Middlefield Road. The City Engineer serves as the Floodplain Administrator (Sec. 14) and must review every development permit application to confirm the chapter's requirements and other State and Federal permits are satisfied and that the site is reasonably safe from flooding (Sec.

15). 16 requires a development permit, on City-furnished forms, before any construction or other development, including manufactured homes, in a special flood hazard area; the application must show the location, dimensions and elevation of the site and any structures, proposed utility locations, grading and drainage information, the regulatory floodway location where applicable, base flood elevation data, and the proposed elevation of the lowest floor relative to mean sea level. 9 makes compliance mandatory: no structure or land may be constructed, located, extended, converted or altered without full compliance with the chapter and other applicable regulations, and any violation, including violation of conditions attached to an approval, is a misdemeanor; the City Council retains authority to take further lawful action to prevent or remedy a violation. 17. 11 requires the chapter's provisions to be construed as minimum requirements in the City's favor.