Substantial Damage Estimate (SDE)

Plan Review
Not Required
Not Required
Plan review fee
No fee
Processing Time
5 business days
Houston Public Works

1002 Washington Ave., 3rd Floor
Houston, TX 77002

8 am to 3 pm


Any property owner or plan reviewer requesting that FMO complete a Substantial Damage Estimate assessment of a property must complete and submit this form. FMO will send the results to the owner’s address.

After Approval

Applicant can either contact the Floodplain Management Office for their SDE results or return to the office to complete the permitting process or complete the substantial damage determination request. FMO will send the results to the owner's address.

Conditions & Exceptions

If substantially damaged, no repair/improvement/conversion permit will be issued until the structure is brought into compliance by elevation

What You Need

1. Completed application,

2. HCAD Summary or Private Appraisal

Apply Online

Email [email protected] for an application

Apply in Person

Apply in person at 1002 Washington Avenue, 3rd Floor

Conditions & Exceptions

Completed request form may be emailed to [email protected]. Requires on-site assessment by a Floodplain inspector