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Residential - Vacant LandResidential
$8,450,000$3,271 / ft²
TopHap EstimateOur estimate of what this home would sell for today, based on nearby sales, the home's size and features, and local price trends. It is a starting point, not an appraisal.· confidence 90How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Aug 30, 2026
Last sold for $7,065,000 on Mar 15, 2024

9450 BAY DR

SURFSIDE, FL 33154
4
Beds
3
Baths
2,583 ft²
Living AreaTotal finished area of the structures, from county records. Some counties include shared space like hallways or a building gym, so it may not match a listing.
0.31 ac
Lot SizeThe size of the land the home sits on, from county records.
1968
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.

Valuation

$8.5M
$7.6M low$9.3M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$7,065,000 · Mar 15, 2024

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$107,851 (2025)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$5,769,349 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$5,460,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$309,349
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$5,869,637
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$5,769,349

Climate Risk

Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.57 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.100%
FEMA Flood ZoneFEMA's flood zone for this address. Zones starting with A or V are high risk, and lenders usually require flood insurance there.1 percent flood zone

Scores 0–100; higher = greater projected risk.

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Residential - Vacant Land
CountyMIAMI-DADE
Lot (acres)The size of the land the home sits on, from county records.0.31
ConstructionThe main material the home's frame and walls are built from.Concrete Blocks
PoolWhether the property has a pool, and what kind, such as in-ground.No
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Patio · 300 ft²Porch · 151 ft²Boat access

Transaction History(4)

Sales and refinances filed with the county for this home. Not every transfer is a normal sale, so check the type before comparing prices.

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

E
Ruth K. Broad/Bay Harbor K-8 CenterA+
Elementary · Grades PK–5 · 0.3 mi
M
Nautilus Middle SchoolC+
Middle · Grades 6–8 · 4.8 mi
H
Miami Beach Senior High SchoolC+
High · Grades 9–12 · 5.8 mi

District: Dade County School District

Neighborhood · ZIP 33154These are comparison scores, not percentages. 100 equals the national average, so 150 means about 50% above average.

CrimeLocal crime compared with the rest of the country, where 100 is average. It reflects things like population density, income, and how crime gets reported.158
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.81
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.12

Index scale: 100 = US average (tick). Lower is better.

Homes occupiedThe share of homes here that someone lives in. The rest sit empty, including vacation and for-sale homes.62%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.33%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.11%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.0.7%
PopulationHow many people live in this area.16,735
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.3,931 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$81,445
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$137,391
Average tempThe average temperature here across a full year.76°F
Annual precipHow much rain and melted snow falls here in a typical year.57 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.70%

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Data by ATTOM. Valuations are automated estimates, not appraisals. Photos from Google Street View and may not depict the current property state.

How this home compares

9450 Bay Dr measured against every home in its neighborhood, its ZIP code and its county, using county assessor records refreshed nightly. A home can stand out in one of those areas and look ordinary in another, because each one holds a different mix of homes.

  • Among the most valuable homes in Miami-Dade County
  • Among the highest price per square foot in Miami-Dade County
  • Bigger than 90% of homes in Miami-Dade County
  • Has a bigger lot than 96% of homes in Surfside
  • Older than 68% of homes in Miami-Dade County

What homes are worth in Miami Beach 33154

Each bar is how many homes fall in that price range. The marker is this home.

This home
$293K$10M

This home is worth more than 95% of homes in Miami Beach 33154.

How it measures up in Miami Beach 33154

The dot is this home. The mark in the middle is the typical home in Miami Beach 33154.

Estimated value$8,450,000
CheaperTypical $1,162,486Pricier

Pricier than 95% of homes nearby

Price per ft²$3271
CheaperTypical $808Pricier

Pricier than 98% of homes nearby

Living area2,583 ft²
SmallerTypical 1,490 ft²Bigger

Bigger than 82% of homes nearby

Lot size0.31 ac
SmallerTypical 0.13 acBigger

Bigger than 88% of homes nearby

Year built1968
OlderTypical 1977Newer

Newer than 39% of homes nearby

How 9450 Bay Dr ranks against every home in each area.
MeasureThis homeSurfsideMiami Beach 33154Miami-Dade County
Estimated valuepricier than$8,450,00094% of homes95% of homesalmost all homes
Price per ft²pricier than$327197% of homes98% of homesalmost all homes
Living areabigger than2,583 ft²86% of homes82% of homes90% of homes
Lot sizebigger than0.31 ac96% of homes88% of homes90% of homes
Year builtnewer than196843% of homes39% of homes32% of homes

About 9450 Bay Dr

How much is 9450 Bay Dr, Surfside, FL worth?

The TopHap Estimate for 9450 Bay Dr, Surfside, FL is $8,450,000 as of Aug 30, 2026. The likely range is $7,579,755 to $9,320,245. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 9450 Bay Dr, Surfside, FL last sell?

9450 Bay Dr, Surfside, FL last sold on Mar 15, 2024 for $7,065,000, according to the county's recorded deed.

How big is 9450 Bay Dr, Surfside, FL?

9450 Bay Dr, Surfside, FL has 4 bedrooms, 3 bathrooms, 2,583 square feet of living space and a 0.31-acre lot.

When was 9450 Bay Dr, Surfside, FL built?

9450 Bay Dr, Surfside, FL was built in 1968, making it 58 years old. The building has 1 story.

What schools serve 9450 Bay Dr, Surfside, FL?

9450 Bay Dr, Surfside, FL is assigned to Ruth K. Broad/Bay Harbor K-8 Center (elementary), rated A+; Nautilus Middle School (middle), rated C+; Miami Beach Senior High School (high), rated C+. All sit in Dade County School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 9450 Bay Dr, Surfside, FL compare to other homes in Miami Beach 33154?

Among the 9,804 homes in Miami Beach 33154, it is worth more than 95% of them ($8,450,000 against a typical $1,162,486), its price per square foot is higher than 98% of them ($3271 against a typical $808), it is bigger than 82% of them (2,583 ft² against a typical 1,490 ft²), its lot is bigger than 88% of them (0.31 ac against a typical 0.13 ac) and it is newer than 39% of them (1968 against a typical 1977). Measured against all of Miami-Dade County, it is worth more than almost all homes there. These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 9450 Bay Dr, Surfside, FL?

The 2025 property tax bill for 9450 Bay Dr, Surfside, FL was $107,851. The county assessed it at $5,769,349.

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