Monroe County property record for 623 Grinnell St, Key West, FL 33040
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 3 ba · 1,620 sqft · built 1933 |
| Lot Size | 0.071 acres (3,121 sqft) |
| Owner | Individual Name on File |
| Last Sale | $2,300,000 (Feb 2025) |
| Tax Bill | $7,238 (2024) |
| Flood Zone | Zone X (moderate risk) |
| APN | 00010950-000000 |
| Primary APN | 00010950-000000 |
|---|---|
| Alternative APNs |
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| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 3 Baths |
| Half Baths | 1 Half Bath |
| Stories | 2 Stories |
| Building Area | 1,620 sqft Living Area |
| 1st Floor Area | 999 sqft |
| Flooring | Wood |
| Interior Walls | Wood |
| Year Built | Built 1933 |
|---|---|
| Effective Year Built | Effective 2015 |
| Exterior Material | Wood |
| Roof Type | Gable/Hip |
| Roof Material | Metal |
| Lot Area | 3,121 sqft (0.071 acres) |
| Lot Dimensions | 78 ft deep x 40 ft wide |
| Pool Area | 128 sqft |
|---|---|
| Porch | Open Porch |
| Porch Area | 350 sqft |
| Patio Area | 961 sqft |
| Fence | Fence |
| Water Feature | Water Feature |
| Cooling System | HVAC |
|---|---|
| Heating System | Forced Air |
| Account Number | 1011240 |
|---|---|
| Old Parcel Number | 01010100010950000000 |
| Street Address | 623 GRINNELL ST |
| City | KEY WEST |
| State | FL |
| Zip | 33040-7128 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | KW PT LT 4 SQR 56 A5-179 G6-449 OR501-104 OR1003-2252 OR1263-1171/72 OR1340-716/17 OR2026-2451/52 OR2429-219/20 |
| Legal Range | 25E |
| Legal Township | 68S |
| Legal Section | 06 |
| Legal Subdivision | WILLIAM A WHITEHEADS |
| Legal Lot Number | 4 |
| Jurisdiction | MONROE FL |
| Township / Civil Division | KEY WEST |
| Census Block Group | 3 |
| Census Block | 3009 |
| Census Tract | 972800 |
Source: NPS National Register of Historic Places, as of August 1, 2026
| Historic District | Within the Key West Historic District (Boundary Increase) listed 1983 · 2,494 contributing resources · NRIS 83001430 |
|---|
Federal listing alone does not restrict alterations; local historic district rules, which this data does not cover, may apply.
623 Grinnell St is owned and occupied by an individual who bought it in February 2025.
Source: Monroe County records, as of December 5, 2025
| Owner of Record | Individual Name on File |
|---|---|
| Co-owner | Co-owner on File |
| Mailing Address | 623 GRINNELL ST, KEY WEST, FL 33040-7128 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
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 | 2 Names on Deed |
|---|---|
| Last Sale | Feb 28, 2025 · Amount on File |
| Deed Sale | Feb 28, 2025 · Amount on File |
| Prior Sale | May 18, 2012 |
| Deed Document Number | 2491565 |
| Deed Book / Page | 3313 / 2162 |
| 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 | $887,149 | $1,984,444 Land $1,186,479 Building $797,965 | |
| 2024 | $7,238.00 (+1.66%) | ||
| 2023 | $7,120.00 (+4.49%) Homeowner's exemption | $837,036 (+3%) | $1,864,918 (+50.28%) Land $1,123,560 Building $741,358 |
| 2022 | $6,814.00 Homeowner's exemption | $812,657 | $1,240,975 Land $719,078 Building $521,897 |
Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.
FEMA maps place 623 Grinnell St in Zone X, an area of moderate 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 moderate risk |
|---|---|
| 500-Year Floodplain | Yes 0.2% annual chance |
| 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 248 individual policies |
| Community Rating System | Class 5 (25% premium discount) |
| Nearby Flood Policies | 259 units insured incl. 11 condo units |
| Nearby Flood Claims | 11 (2005–2025) |
| Claims Outside the SFHA | 2 of 11 |
| Most Recent Claim | Feb 2025 · rainfall accumulation |
| Claims by Event |
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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 623 Grinnell 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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