Monroe County property record for 412 William St, Key West, FL 33040
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 801 sqft · built 1928 |
| Lot Size | 0.063 acres (2,760 sqft) |
| Owner | Company Name on File |
| Tax Bill | $10,020 (2024) |
| Flood Zone | Zone X (minimal risk) |
| APN | 00006070-000000 |
| Primary APN | 00006070-000000 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Stories | 1 Story |
| Building Area | 801 sqft Living Area |
| 1st Floor Area | 801 sqft |
| Flooring | Wood |
| Interior Walls | Wood |
| Year Built | Built 1928 |
|---|---|
| Effective Year Built | Effective 2014 |
| Exterior Material | Combination |
| Roof Type | Gable/Hip |
| Roof Material | Metal |
| Lot Area | 2,760 sqft (0.063 acres) |
| Lot Dimensions | 60 ft deep x 46 ft wide |
| Porch | Open Porch |
| Porch Area | 198 sqft |
| Patio Area | 628 sqft |
| Cooling System | HVAC |
|---|---|
| Heating System | Forced Air |
| Account Number | 1006297 |
|---|---|
| Old Parcel Number | 01010100006070000000 |
| Street Address | 412 WILLIAM ST |
| City | KEY WEST |
| State | FL |
| Zip | 33040-6854 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | KW PT LOT 2 SQR 35 OR305-521/22 OR467-956/57 OR1075-1524 OR1091-1918/34 OR1127-2357/58 OR1926-137/38 |
| Legal Range | 25E |
| Legal Township | 68S |
| Legal Section | 06 |
| Legal Subdivision | KEY WEST SQUARE 35 |
| Legal Lot Number | 2 |
| Jurisdiction | MONROE FL |
| Township / Civil Division | KEY WEST |
| Census Block Group | 1 |
| Census Block | 1015 |
| Census Tract | 972500 |
Source: NPS National Register of Historic Places, as of August 1, 2026
| Historic District | Within the Key West Historic District listed 1971 · 189 contributing resources · NRIS 71000245 |
|---|
Federal listing alone does not restrict alterations; local historic district rules, which this data does not cover, may apply.
412 William St, a single family home, is owned by a company.
Source: Monroe County records, as of December 5, 2025
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | 724 EATON ST, KEY WEST, FL 33040-6844 |
| Owner Type | Company |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Deed Names | Name on Deed |
|---|---|
| Record Updated | Jun 8, 2026 |
Source: Monroe County assessment roll, as of July 1, 2025
| Type | Name |
|---|---|
| State | Florida |
| County | Monroe County |
| Municipality | Key West City |
| Unified School District | Monroe County School District (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $1,573,656 Land $1,159,862 Building $413,794 | $1,573,656 Land $1,159,862 Building $413,794 | |
| 2024 | $10,020.00 (+9.77%) | ||
| 2023 | $9,128.00 (+15.01%) | $1,375,470 (+20.79%) Land $994,269 Building $381,201 | $1,375,470 (+20.79%) Land $994,269 Building $381,201 |
| 2022 | $7,937.00 | $1,138,752 Land $753,342 Building $385,410 | $1,138,752 Land $753,342 Building $385,410 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 412 William St in Zone X, an area of minimal flood risk, within 500 ft of a high-risk flood zone.
Source: FEMA National Flood Hazard Layer, effective September 24, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Nearest Special Flood Hazard Area | Zone AE, within 500 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Flood Insurance Cost | Premium on File median of 202 individual policies |
| Community Rating System | Class 5 (25% premium discount) |
| Nearby Flood Policies | 242 units insured incl. 40 condo units |
| Nearby Flood Claims | 400 (1978–2024) |
| Claims Outside the SFHA | 44 of 400 |
| Most Recent Claim | May 2024 · other causes |
| Claims by Event |
|
Values are read at the parcel center point; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.
The area around 412 William St has no burnable land within ember reach, so its wildfire risk is not rated.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Not rated no burnable land within ember reach |
|---|
Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.
Source: FCC Broadband Data Collection, based on 922 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber · DSL | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
| Verizon Fixed Wireless | 300 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: Hotwire Communications.
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