What changes when your home is in a mapped floodplain — elevation certificates, substantial-improvement rules, and choosing flood-resistant materials.
If your Houston-area home is in a mapped floodplain, a remodel or addition may need floodplain review in addition to a building permit, and an elevation certificate is often requested. Large projects can trigger substantial-improvement rules, which may require bringing the home up to current flood elevation standards. Before design, check your flood zone, gather any existing elevation certificate, and plan flood-resistant materials for lower areas.
Check your flood zone first
FEMA flood maps and local floodplain managers show whether a property sits in a special flood hazard area. That affects what review a project needs.
Elevation certificates
An elevation certificate records the elevation of the home relative to the base flood elevation. It's prepared by a licensed surveyor and is often requested for permits and flood insurance.
Substantial improvement
When improvement costs reach a threshold set by floodplain rules relative to the structure's value, the whole building may need to meet current flood standards. Understanding this early prevents redesign.
Flood-resistant choices
Porcelain tile, raised outlets, water-resistant wall assemblies and elevated equipment reduce damage risk in lower areas.
Describe your project on our project request page, or call (281) 889-1068. Novara follows up within one business day to set up a free consultation.
Floodplain remodel checklist
| Step | Who |
|---|---|
| Confirm flood zone | Homeowner / Novara |
| Find or order elevation certificate | Licensed surveyor |
| Floodplain review | City or county floodplain office |
| Check substantial-improvement status | Floodplain office |
| Choose flood-resistant materials | Novara design |
In pictures
Frequently asked questions
- Who prepares an elevation certificate?
- A licensed surveyor.
- Will my remodel require raising my home?
- Only in some cases, usually when substantial-improvement rules are triggered. Your floodplain office decides.
Related services and areas
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