20 ISLAND AVE 705, Miami Beach, FL 33139
Parcel: 0232330470590 · Residential · Condominium - Residential · Zoning: 4000
Assessed Value (2025)
$417,032
Property Details
Beds
1
Baths
1.5
Living Sqft
856
Year Built
1962
RESIDENTIAL - TOTAL VALUE : CONDOMINIUM - RESIDENTIAL
Sales History
1
N/Anon-market transfer
2010-02-10
US BANK NATIONAL ASSOCIATION TRS → US BANK NATIONAL ASSOCIATION TRS
2
$170,000
2010-08-26
US BANK NATIONAL ASSOCIATION TRS → CHRISTOPHER J SULLIVAN
3
$490,000+188%
2023-04-21
CHRISTOPHER J SULLIVAN → MARK GOLDBERG
4
$490,000
2023-04-28
Tax Assessment History
$417,032
Assessed (2025)
$417,032
Market Value
$417,032
Taxable Value
$8,490
Annual Tax
2024
$417,032
2025
$417,032
Assessed Market
View detailed table
| Year | Assessed | Market | Taxable | Tax | Building | |
|---|---|---|---|---|---|---|
| 2025 | $417,032 | $417,032 | $417,032 | $8,490 | $0 | $0 |
| 2024 | $417,032 | $417,032 | $417,032 | $8,490 | $0 | $0 |
About 20 ISLAND AVE 705, Miami Beach, FL 33139
20 ISLAND AVE 705, Miami Beach, FL 33139 is a 1-bedroom, 1.5-bathroom residential - total value : condominium - residential built in 1962 with 856 square feet of living space. The property is currently owned by MARK GOLDBERG, 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 2023-04-28 for $490,000. There are 4 recorded sales for this property. The 2025 assessed value is $417,032 with a market value of $417,032.
The median household income in this area is $189,605, and the median home value is $1,453,400. The population density is 3,945 people per square mile. There are active mortgage liens totaling $354,328 recorded against this property.
20 ISLAND AVE 705, Miami Beach, FL 33139 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 2010 to 2023, with 4 recorded transactions in the public record.
The current assessed value represents 85% of the most recent sale price. Based on the most recent sale, this property traded at $572 per square foot — a key metric for comparing value across Miami Beach's real estate market..
Current Owner
MARK GOLDBERG
20 ISLAND AVE 705, MIAMI BEACH, FL, 33139
Since: 2026-03-29
View owner profile →
Est. Annual Insurance
$5,404 — $9,974
Flood $400 — $800
Property/Wind $5,004 — $9,174
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$189,605
Median Home Value$1,453,400
Pop. Density3,945/sq mi
Neighborhood 33139
20.8%
Owner-Occ
79.2%
Investor
715
Flips (4yr)
12,810
New Biz (3yr)
Distress Risk
MODERATE
31
Mortgages
ACTIVE
$367,000
CITIBANK · 2023-04-28
Est. Total Balance $354,328
* Estimated assuming 30-year fixed mortgage at prevailing rate at origination. Actual terms may differ.
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