Hillsborough County flood zone map

Hillsborough County flood zone map

Hillsborough County's FEMA flood map puts high-risk land in zones that start with A or V.[1] If your home is in one and your loan is federally backed, your lender has to require flood insurance.[2]

Checked against FEMA’s flood map for that exact spot.

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See it on Hillsborough County's flood map[3] See the official FEMA map[4]

Hillsborough County flood insurance by the numbers: how many policies are in force?

NFIP flood policies in force in Hillsborough County

60,455

FEMA OpenFEMA, read July 6, 2026[5]

Average NFIP premium in Hillsborough County. Yours depends on the home.

$1,352 a year

FEMA OpenFEMA, read July 6, 2026[5]

CRS discount on eligible NFIP policies in unincorporated Hillsborough County (Class 4)

30%

FEMA CRS list, read October 24, 2026[6]

What does each zone on the Hillsborough County map mean?

  • A zones High risk. Land with at least a 1% chance of flooding in any year. Zone AE shows the base flood elevation, the height the water is expected to reach.[7]
  • V zones High risk, with waves. Coastal land where waves push in, not just rising water. Zone VE has the strictest building rules.[7]
  • Zone X Outside the high-risk area. Land outside the A and V zones is Zone X. A lender does not have to require flood insurance there. FEMA still rates Zone X as moderate or minimal risk, not no risk.[7]

The letter decides the requirement. It does not decide your price. The building does.[8]

Zone AE on the map: does your lender require a policy? Flood insurance in Hillsborough County

Zone AE on the map: does your lender require a policy? Flood insurance in Hillsborough County

Same flood zone, very different prices in Hillsborough County. Here is why.

Your flood zone decides if your lender requires a policy. Under Risk Rating 2.0, the price depends on the home: how often it could flood, how close it sits to the water, its first floor height and what it would cost to rebuild.[8]

Unincorporated Hillsborough County: Community Rating System Class 4, 30% discount, on a scale that tops out at 45%. 0% 45%
Unincorporated Hillsborough County earns 30% off eligible NFIP flood premiums.[6]

An elevation certificate shows your first floor height against the base flood elevation. See Hillsborough County's elevation certificate page.

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Checked against FEMA’s flood map for that exact spot.

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Questions about the Hillsborough County flood zone map?

How can I find my flood zone in Hillsborough County?

Type your address in the ShoutFlood address check at the top of the page. It reads FEMA's flood map for that spot and shows your zone. You can also search Hillsborough County's Find My Flood Zone page or FEMA's Flood Map Service Center. Lenders go by the FEMA map, not the county's own floodplain maps. [1][4]

How can I check if my address is in a flood zone in Florida?

Enter your address in the ShoutFlood check, or search FEMA's Flood Map Service Center, which covers every Florida address. [1][4]

What flood zones in Florida require flood insurance?

Zones that start with A or V are the high-risk area. If your home is there and your loan is federally backed, your lender has to require flood insurance. Zone X is outside that area, so the lender does not have to require it. FEMA still rates Zone X as moderate or minimal risk, not no risk. [7][2]

What's the worst flood zone to be in?

V zones, and Zone VE most of all. VE means waves, not just rising water, and the strictest building rules. Still, the zone decides the requirement, not the price. The price depends on the home, so two Hillsborough County homes in the same zone can pay very different amounts. [7][8]

ShoutFlood is not affiliated with FEMA or the NFIP.

Sources and dates

  1. FEMA Flood Insurance Study 12057CV001C, Hillsborough County, Florida and Incorporated Areas, Volume 1, revised October 7, 2021, Table 3 'Flood Zone Designations by Community' (row 'Hillsborough County, Unincorporated Areas'). Hillsborough County flood zones. Read October 31, 2026.
  2. FEMA, How to Read a Flood Insurance Rate Map tutorial, January 2022. Federally backed mortgages on buildings in the high-risk zones must carry flood insurance. Read October 26, 2026.
  3. Find My Flood Zone | Hillsborough County, FL. Hillsborough County's own flood map. Read October 31, 2026.
  4. FEMA Flood Map Service Center. FEMA's flood map, search by address. Read October 31, 2026.
  5. FEMA OpenFEMA, FIMA NFIP Redacted Policies v2. Hillsborough County NFIP policies in force. Read July 6, 2026.
  6. FEMA CRS Eligible Communities, October 1, 2026 effective date (PDF). Hillsborough County Community Rating System class. Read October 24, 2026.
  7. FEMA, Flood Zones. What A, V and X zones mean; the Special Flood Hazard Area is the A and V zones. Read October 26, 2026.
  8. FEMA, Understanding Risk Rating 2.0 fact sheet, July 2025. The rating variables: frequency of flooding, proximity to flood sources, first floor height and the cost to rebuild; Risk Rating 2.0 since October 1, 2021. Read October 26, 2026.
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