9800 W BAY HARBOR DR 507, Bay Harbor Islands, FL 33154
Parcel: 1322270470430 · Residential · Condominium - Residential · Zoning: 4500
Assessed Value (2025)
$211,415
Property Details
Beds
1
Baths
1.5
Living Sqft
895
Year Built
1967
RESIDENTIAL - TOTAL VALUE : CONDOMINIUM - RESIDENTIAL
Sales History
1
$64,000
1998-09-01
2
$126,000+97%
2015-02-19
YLSA R ROBERTS → GUILLERMO ALFREDO MERTNOFF
3
$100non-market transfer
2023-06-07
GUILLERMO ALFREDO MERTNOFF → GUILLERMO A MERTNOFF LE
Tax Assessment History
$211,415
Assessed (2025)
$240,458
Market Value
$211,415
Taxable Value
$4,304
Annual Tax
2024
$192,196
$255,806
2025
$211,415
$240,458
Assessed Market
View detailed table
| Year | Assessed | Market | Taxable | Tax | Building | |
|---|---|---|---|---|---|---|
| 2025 | $211,415 | $240,458 | $211,415 | $4,304 | $0 | $0 |
| 2024 | $192,196 | $255,806 | $192,196 | $3,913 | $0 | $0 |
About 9800 W BAY HARBOR DR 507, Bay Harbor Islands, FL 33154
9800 W BAY HARBOR DR 507, Bay Harbor Islands, FL 33154 is a 1-bedroom, 1.5-bathroom residential - total value : condominium - residential built in 1967 with 895 square feet of living space. The property is currently owned by GUILLERMO A MERTNOFF LE REM ABRIL MERTNOFF, recorded as of 2026-04-19. The mailing address differs from the property address, suggesting this may be an investment property or rental.
The most recent sale was on 2023-06-07 for $100, when GUILLERMO ALFREDO MERTNOFF sold to GUILLERMO A MERTNOFF LE . The property sold for $125,900 less than the prior sale of $126,000 on 2015-02-19. There are 3 recorded sales for this property.
The 2025 assessed value is $211,415 with a market value of $240,458. The assessed value increased 10% from $192,196 in 2024. The median household income in this area is $84,357, and the median home value is $547,100.
The population density is 7,114 people per square mile. There are active mortgage liens totaling $66,595 recorded against this property. 9800 W BAY HARBOR DR 507, Bay Harbor Islands, FL 33154 is located in Bay Harbor Islands, Florida.
Property records, tax assessments, sales history, and ownership information for this Bay Harbor Islands property are sourced from miami_dade County public records. The complete ownership history of this property spans from 1998 to 2023, with 3 recorded transactions in the public record..
Current Owner
GUILLERMO A MERTNOFF LE REM ABRIL MERTNOFF
3545 NE 167 ST #505, AVENTURA, FL, 33160
Since: 2026-04-19
View owner profile →
Est. Annual Insurance
$2,936 — $5,451
Flood $400 — $800
Property/Wind $2,536 — $4,651
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$84,357
Median Home Value$547,100
Pop. Density7,114/sq mi
Neighborhood 33154
29.6%
Owner-Occ
70.4%
Investor
375
Flips (4yr)
3,175
New Biz (3yr)
Distress Risk
MODERATE
39
Mortgages
ACTIVE
$90,000
POPULAR BANK · 2020-10-21
Est. Total Balance $66,595
* Estimated assuming 30-year fixed mortgage at prevailing rate at origination. Actual terms may differ.
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