Nassau County carrier presence
Residential carriers writing in Nassau County, ranked by policies in force, from the OIR QUASR county cut (as of 2026-03-01).
Florida's largest domestic insurers file county-level data as trade secret under §624.4212, Fla. Stat. (e.g. State Farm Florida, Universal, Slide, Tower Hill, American Integrity, Florida Peninsula, Kin). They are absent from this county view, so treat it as the residual-and-specialty slice of the market, not the whole.
| # | Carrier | Policies in force | Premium written | County share |
|---|---|---|---|---|
| 1 | CYPRESS PROPERTY & CASUALTY INSURANCE COMPANY | 1,414 | $3.6M | 20.8% |
| 2 | FLORIDA FARM BUREAU CASUALTY INSURANCE COMPANY | 1,307 | $4M | 19.2% |
| 3 | AMERICAN BANKERS INSURANCE COMPANY OF FLORIDA | 677 | $220.2K | 10.0% |
| 4 | CITIZENS PROPERTY INSURANCE CORPORATION | 632 | $921.1K | 9.3% |
| 5 | AMERICAN SECURITY INSURANCE COMPANY | 441 | $1.2M | 6.5% |
| 6 | CASTLE KEY INDEMNITY COMPANY | 421 | $634.9K | 6.2% |
| 7 | FLORIDA FARM BUREAU GENERAL INSURANCE COMPANY | 359 | $649.7K | 5.3% |
| 8 | AMERICAN MODERN HOME INSURANCE COMPANY | 254 | $50.6K | 3.7% |
| 9 | TRISURA INSURANCE COMPANY | 242 | $57.9K | 3.6% |
| 10 | LEMONADE INSURANCE COMPANY | 226 | $46.5K | 3.3% |
| 11 | PRAETORIAN INSURANCE COMPANY | 167 | $23.2K | 2.5% |
| 12 | CASTLE KEY INSURANCE COMPANY | 101 | $266.4K | 1.5% |
| 13 | UNITED CASUALTY INSURANCE COMPANY OF AMERICA | 86 | $1.7K | 1.3% |
| 14 | AMICA MUTUAL INSURANCE COMPANY | 72 | $266.9K | 1.1% |
| 15 | LIBERTY MUTUAL FIRE INSURANCE COMPANY | 68 | $199.7K | 1.0% |
| 16 | MARKEL AMERICAN INSURANCE COMPANY | 61 | $2.6K | 0.9% |
| 17 | MANGROVE PROPERTY INSURANCE COMPANY | 56 | $163.6K | 0.8% |
| 18 | NATIONWIDE MUTUAL INSURANCE COMPANY | 50 | $141.5K | 0.7% |
| 19 | FOREMOST PROPERTY AND CASUALTY INSURANCE COMPANY | 33 | $50K | 0.5% |
| 20 | FIRST LIBERTY INSURANCE CORPORATION (THE) | 30 | $52.8K | 0.4% |
| 21 | AMERICAN MODERN PROPERTY AND CASUALTY INSURANCE COMPANY | 19 | $25.3K | 0.3% |
| 22 | FARMERS CASUALTY INSURANCE COMPANY | 13 | $42.8K | 0.2% |
| 23 | CENTAURI SPECIALTY INSURANCE COMPANY | 9 | $19.8K | 0.1% |
| 24 | AIG PROPERTY CASUALTY COMPANY | 7 | $237.8K | 0.1% |
| 25 | HARTFORD INSURANCE COMPANY OF THE MIDWEST | 6 | $18.6K | 0.1% |
| 26 | THE CINCINNATI INSURANCE COMPANY | 6 | $38.1K | 0.1% |
| 27 | APEX STAR RECIPROCAL EXCHANGE | 5 | $14.9K | 0.1% |
| 28 | GUIDEONE ELITE INSURANCE COMPANY | 5 | $5.7K | 0.1% |
| 29 | NATIONWIDE PROPERTY AND CASUALTY INSURANCE COMPANY | 5 | $4.7K | 0.1% |
| 30 | GREAT AMERICAN ASSURANCE COMPANY | 5 | $23K | 0.1% |
- 1.CYPRESS PROPERTY & CASUALTY INSURANCE COMPANY
- Policies
- 1,414
- Premium
- $3.6M
20.8% - 2.FLORIDA FARM BUREAU CASUALTY INSURANCE COMPANY
- Policies
- 1,307
- Premium
- $4M
19.2% - 3.AMERICAN BANKERS INSURANCE COMPANY OF FLORIDA
- Policies
- 677
- Premium
- $220.2K
10.0% - 4.CITIZENS PROPERTY INSURANCE CORPORATION
- Policies
- 632
- Premium
- $921.1K
9.3% - 5.AMERICAN SECURITY INSURANCE COMPANY
- Policies
- 441
- Premium
- $1.2M
6.5% - 6.CASTLE KEY INDEMNITY COMPANY
- Policies
- 421
- Premium
- $634.9K
6.2% - 7.FLORIDA FARM BUREAU GENERAL INSURANCE COMPANY
- Policies
- 359
- Premium
- $649.7K
5.3% - 8.AMERICAN MODERN HOME INSURANCE COMPANY
- Policies
- 254
- Premium
- $50.6K
3.7% - 9.TRISURA INSURANCE COMPANY
- Policies
- 242
- Premium
- $57.9K
3.6% - 10.LEMONADE INSURANCE COMPANY
- Policies
- 226
- Premium
- $46.5K
3.3% - 11.PRAETORIAN INSURANCE COMPANY
- Policies
- 167
- Premium
- $23.2K
2.5% - 12.CASTLE KEY INSURANCE COMPANY
- Policies
- 101
- Premium
- $266.4K
1.5% - 13.UNITED CASUALTY INSURANCE COMPANY OF AMERICA
- Policies
- 86
- Premium
- $1.7K
1.3% - 14.AMICA MUTUAL INSURANCE COMPANY
- Policies
- 72
- Premium
- $266.9K
1.1% - 15.LIBERTY MUTUAL FIRE INSURANCE COMPANY
- Policies
- 68
- Premium
- $199.7K
1.0% - 16.MARKEL AMERICAN INSURANCE COMPANY
- Policies
- 61
- Premium
- $2.6K
0.9% - 17.MANGROVE PROPERTY INSURANCE COMPANY
- Policies
- 56
- Premium
- $163.6K
0.8% - 18.NATIONWIDE MUTUAL INSURANCE COMPANY
- Policies
- 50
- Premium
- $141.5K
0.7% - 19.FOREMOST PROPERTY AND CASUALTY INSURANCE COMPANY
- Policies
- 33
- Premium
- $50K
0.5% - 20.FIRST LIBERTY INSURANCE CORPORATION (THE)
- Policies
- 30
- Premium
- $52.8K
0.4% - 21.AMERICAN MODERN PROPERTY AND CASUALTY INSURANCE COMPANY
- Policies
- 19
- Premium
- $25.3K
0.3% - 22.FARMERS CASUALTY INSURANCE COMPANY
- Policies
- 13
- Premium
- $42.8K
0.2% - 23.CENTAURI SPECIALTY INSURANCE COMPANY
- Policies
- 9
- Premium
- $19.8K
0.1% - 24.AIG PROPERTY CASUALTY COMPANY
- Policies
- 7
- Premium
- $237.8K
0.1% - 25.HARTFORD INSURANCE COMPANY OF THE MIDWEST
- Policies
- 6
- Premium
- $18.6K
0.1% - 26.THE CINCINNATI INSURANCE COMPANY
- Policies
- 6
- Premium
- $38.1K
0.1% - 27.APEX STAR RECIPROCAL EXCHANGE
- Policies
- 5
- Premium
- $14.9K
0.1% - 28.GUIDEONE ELITE INSURANCE COMPANY
- Policies
- 5
- Premium
- $5.7K
0.1% - 29.NATIONWIDE PROPERTY AND CASUALTY INSURANCE COMPANY
- Policies
- 5
- Premium
- $4.7K
0.1% - 30.GREAT AMERICAN ASSURANCE COMPANY
- Policies
- 5
- Premium
- $23K
0.1%
Methodology & sources
This explorer compiles filed and public-record insurance market data. It is a reference surface, not insurance advice — figures reflect what carriers and regulators have filed, with the vintage shown per source.
- Carrier market shareNAIC 50-state baseline + state DOI reports (latest filed year)
- Carrier market-share is computed within a single state and line from filed market data (NAIC 50-state baseline, state DOI market-share reports, and FL OIR QUASR). Share compares carriers inside one state/line only — it never sums premium across states, so earned-basis and written-basis filings are never mixed.
- Florida county presenceFL OIR QUASR county cut, latest report period
- Florida county carrier presence is the OIR QUASR county cut. Large Florida domestic carriers file their county data as trade secret under §624.4212, Fla. Stat., so they are absent here — the county view is not a complete market.
- Residual marketIII / PIPSO residual-plan stats (FY2024) + state factbooks
- Residual-market exposure aggregates FAIR plans, beach/windstorm pools, and state-run insurers of last resort from Insurance Information Institute (III · PIPSO) stat tables and state factbooks. Exposure and premium are stored in full dollars.
- Carrier-health watchNAIC GRID + state insolvency lists
- Receivership status is from NAIC GRID and state insolvency lists. We show the proceeding type and date as filed — this is a public record, not a judgment about a carrier's financial strength.
- ZIP cost & nonrenewalFIO federal homeowners filings, 2018–2022
- ZIP-level premium, loss, and nonrenewal figures are from the Federal Insurance Office (FIO) homeowners data filings, 2018–2022. Treasury withdrew the dataset; this is a recovered public mirror.
- Utah basis note
- Utah filings report direct premiums earned (not written); its share figures are earned-basis and not directly comparable to written-basis states.
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