1520 W 21 ST, Miami Beach, FL 33140

Parcel: 0232270100350 · Residential - Single Family · 1 Unit · Zoning: 0100

Assessed Value (2025)
$6,765,490

Property Details

Beds
4
Baths
4.5
Living Sqft
4,264
Year Built
2015
Lot Sqft
8,700
Stories
2
RESIDENTIAL - SINGLE FAMILY : 1 UNIT

Sales History

1
$5,577,500
2015-07-21
H4H LLCJONATHAN J COX
2
$6,300,000+13%
2016-03-29
JONATHAN J COXERIC NABYDOSKI
3
$5,625,000-11%
2018-10-29
ERIC NABYDOSKIRUTH MANTEL

Tax Assessment History

$6,765,490
Assessed (2025)
$8,576,320
Market Value
$6,765,490
Taxable Value
$137,740
Annual Tax
2024
$6,150,446
$8,163,846
2025
$6,765,490
$8,576,320
Assessed Market
View detailed table
YearAssessedMarketTaxableTax
2025 $6,765,490 $8,576,320 $6,765,490 $137,740
2024 $6,150,446 $8,163,846 $6,150,446 $125,218

About 1520 W 21 ST, Miami Beach, FL 33140

1520 W 21 ST, Miami Beach, FL 33140 is a 4-bedroom, 4.5-bathroom residential - single family : 1 unit built in 2015 with 4,264 square feet of living space on a 8,700 square foot lot. The property is currently owned by RUTH MANTEL, recorded as of 2026-03-29. The owner appears to be owner-occupied based on the mailing address matching the property address.

The most recent sale was on 2018-10-29 for $5,625,000, when ERIC NABYDOSKI sold to RUTH MANTEL. The property sold for $675,000 less than the prior sale of $6,300,000 on 2016-03-29. There are 3 recorded sales for this property.

The 2025 assessed value is $6,765,490 with a market value of $8,576,320. This breaks down to $6,525,000 for the land and $2,051,320 for the building. The assessed value increased 10% from $6,150,446 in 2024.

This property is located in FEMA Flood Zone AE, a Special Flood Hazard Area with a 1% annual chance of flooding (100-year floodplain). Flood insurance is typically required by lenders for properties in this zone. The median household income in this area is $181,375, and the median home value is $1,152,300.

The population density is 3,125 people per square mile. 1520 W 21 ST, Miami Beach, FL 33140 is located in Miami Beach, Florida. Property records, tax assessments, sales history, and ownership information for this Miami Beach property are sourced from miami_dade County public records.

The complete ownership history of this property spans from 2015 to 2018, with 3 recorded transactions in the public record. The current assessed value represents 120% of the most recent sale price. Based on the most recent sale, this property traded at $1319 per square foot — a key metric for comparing value across Miami Beach's real estate market..

Current Owner

RUTH MANTEL
1520 W 21 ST, MIAMI BEACH, FL, 33140
Since: 2026-03-29
View owner profile →

Flood Zone

Zone AE
Special Flood Hazard Area

Est. Annual Insurance

$40,992 — $68,454
Flood $400 — $800
Property/Wind $40,592 — $67,654

Estimate based on FEMA flood zone, property value, and year built. Actual premiums vary based on elevation, mitigation features, roof condition, and insurer. Not a quote.

Neighborhood

Median Income$181,375
Median Home Value$1,152,300
Pop. Density3,125/sq mi

Neighborhood 33140

27%
Owner-Occ
73%
Investor
2,819
Flips (4yr)
4,853
New Biz (3yr)
Distress Risk
MODERATE
31
View full risk analysis →
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