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Home Insurance in Duncanville, TX
Duncanville homeowners insure against hail and tornadoes first, according to FEMA’s county ratings. This page lays out the local hazard data and what it means for coverage.
$5,374/yr
About $448/mo · ~$300k-$400k dwelling class
$3,106/yr
About $259/mo after modeled shopping discount
About 42.2% below local market estimate
Duncanville hazard snapshot
In FEMA’s National Risk Index, Dallas County carries an overall rating of very high. Its leading hazards, by rating, are hail (very high), tornadoes (very high) and inland flooding (very high).
Hail is rated very high in Dallas County. Ask whether your roof is covered at replacement cost or actual cash value, and whether a Class 4 impact-resistant roof earns a credit.
With tornadoes rated very high, check that loss-of-use coverage would carry you through a long rebuild.
Inland flood risk is very high in Dallas County; heavy rain can flood homes outside mapped zones, and homeowners policies exclude it.
Winter weather is rated very high in Dallas County. Burst pipes from a freeze are generally covered, but carriers expect reasonable heat to be maintained.
The Dallas County storm record, 2016 to 2025
Dallas County had 196 hail reports in NOAA’s storm records for 2016 through 2025. Of these, 157 reached at least one inch in diameter. The largest reported hail was 4 inches on June 12, 2023. NOAA lists 12 tornadoes in Dallas County between 2016 and 2025; the most intense was an EF3 on October 20, 2019.
NOAA also lists 140 thunderstorm wind events, the strongest estimated near 96 mph. Flash flooding was logged 113 times over the same decade.
Natural hazards have put Dallas County in 7 federal major disaster declarations since 2000. The latest declarations were Severe Storms, Straight-line Winds, Tornadoes, and Flooding (2024), Severe Winter Storms (2021) and Hurricane Harvey (2017).
Who covers wind in Duncanville?
TWIA does not write in Dallas County; wind and hail claims go through your regular homeowners policy, which may carry its own wind/hail deductible.
Flood insurance in Duncanville
The city takes part in the National Flood Insurance Program, which makes federal flood policies available. Its current effective flood map dates to March 2019. Through FEMA’s Community Rating System it is rated Class 8, worth a 10% discount on NFIP policies in the special flood hazard area. Flood coverage is far from universal: 4,809 residential NFIP policies in Dallas County, or about 1 per 128 homes. NFIP records show 554 flood claims in the county since 2016. A homeowners policy will not pay for rising water; flood is a separate policy, and NFIP coverage typically takes 30 days to begin.
The FEMA Flood Map Service Center shows the flood zone for any address.
The homes behind the risk
Census estimates put the median construction year for homes in Duncanville at 1978. Roughly 58% of the housing stock predates 1980 and 9% is from 2000 onward. The median owner-estimated home value in Duncanville is $255,500. Dallas County overall comes in higher, at $303,000. Land value is part of a sale price but not of a rebuild, so the right Coverage A figure can be well above or below market value.
Where Duncanville homeowners can check the details
Duncanville is in Dallas County. In the federal metro delineation, Dallas County anchors the Dallas-Fort Worth-Arlington metro. Measured point to point, Duncanville sits roughly 7 miles east of Grand Prairie.
The Dallas County appraisal district (www.dallascad.org) publishes the square footage, year built and improvements insurers use to estimate rebuild cost. Its office is at 2949 N Stemmons Fwy Dallas, TX 75247-6102. The NWS Fort Worth/Dallas, TX office handles forecasts and storm warnings for Duncanville. Its assigned radar site for Duncanville is KFWS.
Duncanville hazard and coverage questions
How often does it hail around Duncanville?
NOAA’s Storm Events Database lists 196 hail reports in Dallas County from 2016 through 2025, 157 of them with stones an inch or larger. FEMA’s National Risk Index rates the county’s hail risk very high. Keep photos of your roof’s condition so a future claim is easier to document.
Do I have to carry homeowners insurance in Duncanville?
Only your lender can require it; Texas itself does not. If the home is paid off, the choice is yours, but one serious storm or fire can cost far more than years of premiums.
Does my Duncanville policy cover a burst pipe after a freeze?
Usually, as long as the damage is sudden and the house was heated. Winter weather is rated very high in Dallas County by FEMA, so know where your main shutoff valve is.
Does TWIA cover homes in Duncanville?
No. Dallas County is outside TWIA’s designated catastrophe area, so wind and hail are covered by the homeowners policy itself, usually with a separate wind and hail deductible.
Request a Duncanville homeowners quote
Talk to a licensed Texas Insurance Resources agent at 800-875-4711, or get a quote online.
Data sources and notes
All public data on this page was pulled in October 2026. Census numbers are survey estimates. Price estimates near the top are Texas Insurance Resources models for comparison, not quotes or published averages.
- Census Bureau ACS five-year data, Duncanville city: home value, population, median year built, year built, tenure, structure type
- National Risk Index (FEMA), Dallas County
- OpenFEMA NFIP data, Dallas County
- NFIP Community Status Book
- Texas Windstorm Insurance Association
- Comparison figures: Dallas County value, Dallas County build year
- Storm Events Database (NOAA), Dallas County
- NWS Fort Worth/Dallas, TX
- Comptroller CAD listing, Dallas County
- OMB metro and micro areas
- Gazetteer (Census)
- Disaster declarations (FEMA), Dallas County
- Texas Comptroller regions