691 HAMPTON LN, Key Biscayne, FL 33149

Parcel: 2452050010520 · Residential - Single Family · 1 Unit · Zoning: 0100

Assessed Value (2025)
$3,081,228

Property Details

Beds
6
Baths
6.5
Living Sqft
3,565
Year Built
2015
Lot Sqft
7,665
Stories
2
RESIDENTIAL - SINGLE FAMILY : 1 UNIT

Sales History

1
$1,460,000
2013-10-03
HILDA F MENDEZ691 HAMPTON LLC
2
$3,200,000+119%
2015-05-13
691 HAMPTON LLCGUSTAVO MARCELO MARTINEZ GARCIA
3
$3,346,500+5%
2021-04-12
GUSTAVO MARCELO MARTINEZ GARCIASTEFANO L MOZZI

Tax Assessment History

$3,081,228
Assessed (2025)
$3,415,628
Market Value
$3,030,506
Taxable Value
$61,699
Annual Tax
2024
$2,994,391
$3,201,312
2025
$3,081,228
$3,415,628
Assessed Market
View detailed table
YearAssessedMarketTaxableTax
2025 $3,081,228 $3,415,628 $3,030,506 $61,699
2024 $2,994,391 $3,201,312 $2,944,391 $59,945

About 691 HAMPTON LN, Key Biscayne, FL 33149

691 HAMPTON LN, Key Biscayne, FL 33149 is a 6-bedroom, 6.5-bathroom residential - single family : 1 unit built in 2015 with 3,565 square feet of living space on a 7,665 square foot lot. The property is currently owned by STEFANO L MOZZI ANA V BRISKY, recorded as of 2026-04-19. The owner appears to be owner-occupied based on the mailing address matching the property address.

The most recent sale was on 2021-04-12 for $3,346,500, when GUSTAVO MARCELO MARTINEZ GARCIA sold to STEFANO L MOZZI. The property has appreciated $146,500 (5%) since the prior sale of $3,200,000 on 2015-05-13. There are 3 recorded sales for this property.

The 2025 assessed value is $3,081,228 with a market value of $3,415,628. This breaks down to $1,992,900 for the land and $1,422,728 for the building. The assessed value increased 3% from $2,994,391 in 2024.

The property has the following tax exemptions: homestead. 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 $250,001, and the median home value is $2,000,001. The population density is 3,407 people per square mile. There are active mortgage liens totaling $2,072,434 recorded against this property.

691 HAMPTON LN, Key Biscayne, FL 33149 is located in Key Biscayne, Florida. Property records, tax assessments, sales history, and ownership information for this Key Biscayne property are sourced from miami_dade County public records. The complete ownership history of this property spans from 2013 to 2021, with 3 recorded transactions in the public record.

The current assessed value represents 92% of the most recent sale price. Based on the most recent sale, this property traded at $939 per square foot — a key metric for comparing value across Key Biscayne's real estate market..

Current Owner

STEFANO L MOZZI ANA V BRISKY
691 HAMPTON LN, KEY BISCAYNE, FL, 33149
Since: 2026-04-19
View owner profile →

Flood Zone

Zone AE
Special Flood Hazard Area

Est. Annual Insurance

$18,887 — $31,612
Flood $400 — $800
Property/Wind $18,487 — $30,812

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$250,001
Median Home Value$2,000,001
Pop. Density3,407/sq mi

Neighborhood 33149

34.2%
Owner-Occ
65.8%
Investor
119
Flips (4yr)
3,025
New Biz (3yr)
Distress Risk
MODERATE
36
View full risk analysis →

Mortgages

ACTIVE 2.625% rate
$2,362,500
~$2,072,434 bal.
BANK OF AMERICA NA · 2021-04-26
Est. Total Balance $2,072,434
* Estimated assuming 30-year fixed mortgage at prevailing rate at origination. Actual terms may differ.
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