421 Avenue B, Big Coppitt Key, FL 33040
Single family property built in 2010 with 1,512 sq ft of living area on a 0.11-acre lot in Big Coppitt Key, Monroe County. Facts below come from the county property appraiser's public record.
County just value (tax roll) — not a market value
$652,685
County assessed value (tax roll)
$294,108
Living area
1,512 sq ft
Lot size
0.11 acres (5,000 sq ft)
Year built
2010
Land use
Single family
FEMA flood zone
Not on file yet
County
Monroe County, FL
Parcel ID
fl-54-2267 26 00151570000000
At a glance
- Who owns 421 Avenue B?
- Monroe County property records list SAWYER WILLIAM as the owner of record.
- What is the county just value of 421 Avenue B?
- $652,685 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-54-2267 26 00151570000000 (Monroe County).
Current owner
- SAWYER WILLIAM
Owner contact info
Phones, emails and mailing addresses from public Florida records are available to members.
See plansMore on Ave B
- 300 Ave B $694K · built 2013
- 301 Ave B $634K · built 2005
- 307 Ave B $610K · built 2005
- 331 Ave B $624K · built 2011
- 350 Ave B $275K
- 360 Ave B $607K · built 2005
- 400 Ave B $603K · built 2013
- 401 Ave B $680K · built 1990
- 406 Ave B $651K · built 2014
- 416 Ave B $552K · built 2001
- 426 Ave B $588K · built 1995
- 431 Ave B $290K · built 1972
- 441 Ave B $695K · built 1952
- 446 Ave B $603K · built 2015
- 451 Ave B $277K · built 1973
- 500 Ave B $536K · built 1948
- 501 Ave B $618K · built 2011
- 507 Ave B $546K · built 1999
- 510 Ave B $280K
- 517 Ave B $698K · built 2007
All 27 properties on Ave B · ZIP 33040 (Key West). Values are county just values (tax roll), not market values.
Nearby properties
- 431 Avenue B, Big Coppitt Key $290K · built 1972
- 401 Avenue B, Big Coppitt Key $680K · built 1990
- 257 Avenue A, Big Coppitt Key $295K · built 1982
- 441 Avenue B, Big Coppitt Key $695K · built 1952
- 406 Avenue A, Big Coppitt Key $650K · built 2016
- 402 Avenue A, Big Coppitt Key $541K · built 1974
- 416 Avenue B, Big Coppitt Key $552K · built 2001
- 410 Avenue A, Big Coppitt Key $226K · built 1959
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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