421 GRINNELL Street, Key West, FL 33040
Single family property built in 1933 with 1,352 sq ft of living area on a 0.04-acre lot in Key West, Monroe County. Facts below come from the county property appraiser's public record.
County just value (tax roll) — not a market value
$1,560,780
County assessed value (tax roll)
$1,560,780
Living area
1,352 sq ft
Lot size
0.04 acres (1,793 sq ft)
Year built
1933
Land use
Single family
FEMA flood zone
Not on file yet
County
Monroe County, FL
Parcel ID
fl-54-0668 25 00005330000000
At a glance
- Who owns 421 GRINNELL St?
- Monroe County property records list MONROE WILLIAM as the owner of record.
- What is the county just value of 421 GRINNELL St?
- $1,560,780 on the Monroe County tax roll (as of January 1). Just value is the property appraiser's figure for property taxes — not a market value.
- What is the parcel ID?
- fl-54-0668 25 00005330000000 (Monroe County).
Current owner
- MONROE WILLIAM
Owner contact info
Phones, emails and mailing addresses from public Florida records are available to members.
See plansMore on Grinnell St
- 319 Grinnell St $2M · built 1924
- 320 Grinnell St $2.4M · built 1929
- 321 Grinnell St $1.6M · built 1933
- 404 Grinnell St $2.4M · built 1929
- 408 Grinnell St $2.5M · built 2005
- 409 Grinnell St $2.1M · built 1928
- 411 Grinnell St $5.3M · built 1918
- 412 Grinnell St $2.5M · built 1933
- 419 Grinnell St $1.1M
- 420 Grinnell St $2.6M · built 1933
- 504 Grinnell St $1.7M · built 1938
- 506 Grinnell St $1.1M · built 1938
- 508 Grinnell St $2.2M · built 1938
- 509 Grinnell St $2.6M · built 1938
- 512 Grinnell St $1.2M · built 1933
- 513 Grinnell St $1.7M · built 1938
- 517 Grinnell St $3.8M · built 2010
- 520 Grinnell St $2M · built 1953
- 521 Grinnell St $1.9M · built 1955
- 522 Grinnell St $3M · built 1938
All 162 properties on Grinnell St · ZIP 33040 (Key West). Values are county just values (tax roll), not market values.
Nearby properties
- 419 GRINNELL St, Key West $1.1M
- 1015 FLEMING St, Key West $16.9M · built 1933
- 411 GRINNELL St, Key West $5.3M · built 1918
- 937 FLEMING St, Key West $1.6M · built 1955
- 420 GRINNELL St, Key West $2.6M · built 1933
- 409 GRINNELL St, Key West $2.1M · built 1928
- 1010 ELGIN Ln, Key West $2.1M · built 1933
- 933 FLEMING St, Key West $1.7M · built 1933
Explore the area
Search this address on listing sites
These links open the listing site directly; we don't copy their data.
Source: Florida Department of Revenue parcel roll; data refreshed Jun 25, 2026. Values are county tax-roll figures, not appraisals. How to read these values · Data sources