Flood Zones: Converse vs San Antonio
How do flood zones rules compare between Converse, TX and San Antonio, TX?
Converse and San Antonio have similar restriction levels.
Converse, TX
Bexar County
Converse participates in the NFIP. Properties in FEMA Zone A or AE require a floodplain development permit and must elevate the lowest floor at least one foot above the Base Flood Elevation.
View full Converse rules →San Antonio, TX
Bexar County
San Antonio enforces floodplain development standards through the UDC and Chapter 34 (Water and Sewers). FEMA-mapped Special Flood Hazard Areas (SFHAs) restrict building in the 100-year floodplain. Building in floodplains requires permits and compliance with elevation and construction standards. FEMA released updated flood maps for San Antonio and Bexar County effective July 2023, and the Concepcion Creek project will add 4,000+ structures to the floodplain by 2027.
View full San Antonio rules →Key Facts Comparison
| Fact | Converse | San Antonio |
|---|---|---|
| NFIP participant | Yes | - |
| Freeboard | 1 foot above BFE | - |
| Elevation Certificate | Required at completion | - |
| Substantial improvement | Over 50 percent value | - |
| Map source | FEMA MSC | - |
| Code Section | - | UDC; Chapter 34 (Water and Sewers); Div. 6 Aquifer Recharge Zone |
| FEMA Maps | - | Updated July 2023; Concepcion Creek revision by 2027 |
| High-Risk Zones | - | Zone A and AE (100-year floodplain) |
| Insurance | - | Required for mortgaged properties in SFHAs |
| Building | - | Permits required; elevation and construction standards apply |
Highlighted rows indicate differences between cities.
Converse FAQ
How do I check if my property is in a flood zone?
Use the FEMA Map Service Center at msc.fema.gov to look up your address, or contact Converse Public Works for a free zone determination.
Do I need flood insurance?
Federally-backed mortgages on properties in Zone A or AE require flood insurance. Properties outside the SFHA are not required to carry it but should consider it given regional flood history.
San Antonio FAQ
Can I build in a flood zone in San Antonio?
Yes, but you must obtain permits and comply with floodplain construction standards. Properties in FEMA-mapped Special Flood Hazard Areas face elevation requirements, construction restrictions, and mandatory flood insurance for federally backed mortgages.
How do I check if my property is in a flood zone?
Use the San Antonio River Authority's Floodplain Viewer or FEMA's Flood Map Service Center (msc.fema.gov). FEMA updated flood maps for San Antonio and Bexar County in July 2023, and additional Concepcion Creek revisions are expected by 2027.
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