Skip to content
Skip to content
TopHapOpen in map
CondominiumResidential
$574,613$1,090 / 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 91How 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 $120,000 on Apr 1, 2001

623 THOMAS ST APT B

KEY WEST, FL 33040
Building report
1
Beds
1
Baths
527 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.
0.11 ac
Lot SizeThe size of the land the home sits on, from county records.
1928
Year BuiltThe year the home was originally built, according to county records.

Valuation

$575K
$520K low$629K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$120,000 · Apr 1, 2001

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,944 (2024)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$415,048 (2025)
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$415,048
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$420,803
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$415,048

Climate Risk

Overall riskThe average of the five hazard scores below, on a 0 to 100 scale. Higher means greater projected risk over the coming decades.34
25
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
1
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
95
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
52
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
1
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.
Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.12 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.47%

Scores 0–100; higher = greater projected risk.

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Condominium
CountyMonroe
HeatingThe type of heating system in the home.None
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(1)

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.

M
Horace O'Bryant SchoolD+
Middle · Grades PK–8 · 1.1 mi
H
Key West High SchoolC-
High · Grades 9–12 · 1.7 mi
E
Gerald Adams Elementary SchoolC-
Elementary · Grades PK–5 · 4.1 mi

District: Monroe County School District

Neighborhood · ZIP 33040These 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.102
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.88
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.1

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.82%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.23%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.14%
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.31,854
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.222 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$86,370
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$116,488
Average tempThe average temperature here across a full year.78°F
Annual precipHow much rain and melted snow falls here in a typical year.41 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.76%

Owner Tools

Do you own this home?
Claim this home

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

623 Thomas St Apt B 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.

  • Worth less than 86% of homes in Monroe County
  • Costs more per square foot than 79% of homes in Monroe County
  • Smaller than 98% of homes in Monroe County
  • Has a smaller lot than 76% of homes in Monroe County
  • Older than 98% of homes in Monroe County

What homes are worth in Key West 33040

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

This home
$377K$4.3M

This home is worth more than 16% of homes in Key West 33040.

How it measures up in Key West 33040

The dot is this home. The mark in the middle is the typical home in Key West 33040.

Estimated value$574,613
CheaperTypical $981,250Pricier

Pricier than 16% of homes nearby

Price per ft²$1090
CheaperTypical $774Pricier

Pricier than 72% of homes nearby

Living area527 ft²
SmallerTypical 1,288 ft²Bigger

Bigger than 3% of homes nearby

Lot size0.11 ac
SmallerTypical 0.12 acBigger

Bigger than 44% of homes nearby

Year built1928
OlderTypical 1972Newer

Newer than 8% of homes nearby

How 623 Thomas St Apt B ranks against every home in each area.
MeasureThis homeKey West 33040Monroe County
Estimated valuepricier than$574,61316% of homes14% of homes
Price per ft²pricier than$109072% of homes79% of homes
Living areabigger than527 ft²3% of homes2% of homes
Lot sizebigger than0.11 ac44% of homes24% of homes
Year builtnewer than19288% of homes2% of homes

About 623 Thomas St Apt B

How much is 623 Thomas St Apt B, Key West, FL worth?

The TopHap Estimate for 623 Thomas St Apt B, Key West, FL is $574,613 as of Aug 30, 2026. The likely range is $520,189 to $629,037. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 623 Thomas St Apt B, Key West, FL last sell?

623 Thomas St Apt B, Key West, FL last sold on Apr 1, 2001 for $120,000, according to the county's recorded deed.

How big is 623 Thomas St Apt B, Key West, FL?

623 Thomas St Apt B, Key West, FL has 1 bedrooms, 1 bathrooms and 527 square feet of living space.

When was 623 Thomas St Apt B, Key West, FL built?

623 Thomas St Apt B, Key West, FL was built in 1928, making it 98 years old.

What schools serve 623 Thomas St Apt B, Key West, FL?

623 Thomas St Apt B, Key West, FL is assigned to Horace O'Bryant School (middle), rated D+; Key West High School (high), rated C-; Gerald Adams Elementary School (elementary), rated C-. All sit in Monroe County School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 623 Thomas St Apt B, Key West, FL compare to other homes in Key West 33040?

Among the 11,960 homes in Key West 33040, it is worth more than 16% of them ($574,613 against a typical $981,250), its price per square foot is higher than 72% of them ($1090 against a typical $774), it is bigger than 3% of them (527 ft² against a typical 1,288 ft²), its lot is bigger than 44% of them (0.11 ac against a typical 0.12 ac) and it is newer than 8% of them (1928 against a typical 1972). Measured against all of Monroe County, it is worth more than 14% of 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 623 Thomas St Apt B, Key West, FL?

The 2024 property tax bill for 623 Thomas St Apt B, Key West, FL was $3,944. The county assessed it at $415,048.

More homes on Thomas St Apt B

Closest homes

More homes in Key West 33040

Assigned schools

Explore the area

See this home in context

Open 623 Thomas St Apt B on TopHap’s interactive map to compare it against every sale nearby, overlay school zones and flood risk, and run a CMA.

Open in map
A flyover of TopHap's photorealistic 3D map, with recorded sale prices pinned to homes
Search any address, city, zip, or county…3D$1.9M$6.25MOpen in map