San Leandro, CA · Alameda County
Substantial Improvement Worksheet for Properties in a FEMA-Designated Floodplain
Property owners and contractors use this worksheet to document project costs and structure value for proposed work on a property in a FEMA-designated floodplain.
What this form is
The worksheet helps the city determine whether proposed work meets the 50-percent threshold for substantial improvement, based on the structure’s depreciated market value. The packet asks for the property address, flood zone, project description, permit and valuation details, and appraisal information. Include an itemized cost breakdown, the Cost Evaluation form, and a recent appraisal with the appraised value highlighted.
Who needs it
Property owners proposing work in a FEMA-designated floodplain may need this worksheet, with valuation documents submitted by the contractor.
How to submit it
Submit it to the city department named on the form; check the city website for current contact details.
About notarization
This document is signed without a notary; the appraiser certifies information under penalty of perjury, and the appraiser and owner sign and date the worksheet.
How to submit this form
- 1
Download the Worksheet
Download the Substantial Improvement Worksheet packet for properties in a FEMA-designated floodplain.
- 2
Complete the Worksheet
Enter the property, project, flood zone, permit, construction valuation, and market value details.
- 3
Gather Cost Documents
Attach the Cost Evaluation form and itemized estimates or cost breakdown for labor and materials.
- 4
Attach the Appraisal
Include a recent appraisal and highlight the appraised market value in the document.
- 5
Submit to the City
Submit the completed packet to the city department named on the form; check the city website for current contact details.
Frequently asked questions
- Do I need a notary for the Substantial Improvement Worksheet?
- No. The document has no notary block; the appraiser and owner sign and date it. The appraiser’s certification is under penalty of perjury.
- How do I submit the Substantial Improvement Worksheet?
- Submit it to the city department named on the form; check the city website for current contact details.
- What documents go with the worksheet?
- Submit an itemized breakdown of estimated material and labor costs and the Cost Evaluation form. Include a recent appraisal with the appraised market value highlighted.
- When is this worksheet required?
- The packet says properties in the FEMA-designated floodplain must follow the city’s floodplain management requirements. It explains that over-the-counter permits typically do not trigger the worksheet at first, but cumulative valuations may require it.
