Elevation Certificates in Santa Clara, CA

Santa Clara is a city where the mapped flood zone is small but the levee-protected area is large. The city's Flood Protection Information page says less than 10 percent of Santa Clara is inside the Special Flood Hazard Area, while 35 percent of the city is protected by levees. It describes Santa Clara as partially bounded by creeks with several more running through town, and at risk from both riverine flooding and localized stormwater flooding. In practice, that means plenty of properties outside the SFHA still sit close to channels and behind levees, where a precise elevation matters if maps or lender requirements change. To check a specific parcel, the city directs owners to its Planning Division or to the FEMA flood map.

Santa Clara is direct about when an elevation certificate is required. All new development and substantial improvements within the city's Special Flood Hazard Areas are subject to the Flood Damage Prevention Code in Municipal Code 15.45.010 and must submit elevation certificates, with construction requirements handled by the Community Development Department. For a remodel or addition, that means planning the survey into the permit timeline rather than treating it as a closeout item. Further north, the San Francisco Bay Shoreline Project fact sheet notes that the coastal levee work near Alviso is intended to protect the San Jose-Santa Clara Regional Wastewater Facility from a 100-year coastal storm, part of the same bayfront system that shapes flood mapping on the north side of the valley.

Our Santa Clara surveys tie a benchmark on the FIRM's vertical datum using GNSS, then measure the lowest adjacent grade, lowest floor, garage, crawlspace, and machinery and utilities with a Trimble S3 total station. For commercial buildings we also pick up elevations of equipment pads and other critical service items. We take the required photographs and deliver a signed FEMA Form FF-206-FY-22-152. If the structure is above the Base Flood Elevation but drawn inside the zone, we can prepare a letter of map amendment and submit through eLOMA when eligible. Santa Clara work is scheduled as a mobilization from Lotus. See our elevation certificate service, the San Jose and Sunnyvale pages, and our Santa Clara area page.