Redlands, CA · San Bernardino County
Substantial Improvement Worksheet
Property owners or permit applicants use this worksheet to calculate whether proposed floodplain construction or repairs qualify as substantial improvement.
What this form is
The worksheet records property and improvement details, the structure’s market value, and the cost of the work to calculate the improvement ratio. It says that if the ratio is 50 percent or greater, the entire structure must be elevated to the base flood elevation and brought into compliance. The worksheet also provides notes for evaluating repairs and different building situations.
Who needs it
Property owners or permit applicants proposing floodplain construction, improvements, or repairs can use this worksheet to document the substantial improvement calculation.
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 worksheet is completed without a notary; it has fields for who made the determination and the date, and lists no notarized attachment or related step.
How to submit this form
- 1
Download The Worksheet
Download the Substantial Improvement Worksheet for floodplain construction.
- 2
Complete Property Details
Enter the property owner, address, permit number, location, and description of improvements.
- 3
Enter Values And Calculate
Record the structure’s market value and the improvement or repair cost, then calculate the ratio shown on the worksheet.
- 4
Submit To The City
Submit it to the city department named on the form; check the city website for current contact details.
Frequently asked questions
- What does the Substantial Improvement Worksheet calculate?
- It compares the cost of improvement or repair with the structure’s market value to calculate a ratio and assess whether the work is substantial improvement.
- When does the worksheet identify substantial improvement?
- The worksheet says a ratio of 50 percent or greater is substantial improvement and describes elevation and compliance requirements for the structure.
- Do I need a notary for the Substantial Improvement Worksheet?
- No. This worksheet is completed without a notary; it has fields for who made the determination and the date, and lists no notarized attachment or related step.
- 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.
Need something notarized?
This Substantial Improvement Worksheet doesn’t need a notary — but if you have another Redlands form that does, a commissioned online notary can help.