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Single Family ResidenceResidential
$436,105$544 / 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

40 1ST ST

KEY WEST, FL 33040
2
Beds
1
Baths
802 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.
0.15 ac
Lot SizeThe size of the land the home sits on, from county records.
1948
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.

Valuation

$436K
$395K low$477K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,013 (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.$310,421 (2025)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$301,673
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$486,275

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.66 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.Single Family Residence
CountyMonroe
Effective Year BuiltAn adjusted build year that accounts for condition and major remodels. A big renovation can make a home count as newer than it is.1985
Lot (acres)The size of the land the home sits on, from county records.0.15
ConstructionThe main material the home's frame and walls are built from.Wood (Unspecified)
FoundationWhat the home is built on, such as a concrete slab, a crawl space, or a basement.Mat/Raft Foundation (Slab)
HeatingThe type of heating system in the home.None
CoolingThe type of cooling or air conditioning in the home.None
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.Porch · 240 ft²

Transaction History(2)

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
Gerald Adams Elementary SchoolC-
Elementary · Grades PK–5 · 5.6 mi
H
Key West High SchoolC-
High · Grades 9–12 · 8.0 mi
M
Horace O'Bryant SchoolD+
Middle · Grades PK–8 · 8.5 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

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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

40 1st St 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 96% of homes in Key West 33040
  • Costs less per square foot than 83% of homes in Key West 33040
  • Smaller than 89% of homes in Monroe County
  • Has a bigger lot than 66% of homes in Key West 33040
  • Older than 93% 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
$374K$4M

This home is worth more than 4% 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$436,105
CheaperTypical $983,470Pricier

Pricier than 4% of homes nearby

Price per ft²$544
CheaperTypical $776Pricier

Pricier than 17% of homes nearby

Living area802 ft²
SmallerTypical 1,286 ft²Bigger

Bigger than 16% of homes nearby

Lot size0.15 ac
SmallerTypical 0.12 acBigger

Bigger than 66% of homes nearby

Year built1948
OlderTypical 1973Newer

Newer than 23% of homes nearby

How 40 1st St ranks against every home in each area.
MeasureThis homeKey West 33040Monroe County
Estimated valuepricier than$436,1054% of homes4% of homes
Price per ft²pricier than$54417% of homes22% of homes
Living areabigger than802 ft²16% of homes11% of homes
Lot sizebigger than0.15 ac66% of homes47% of homes
Year builtnewer than194823% of homes7% of homes

About 40 1st St

How much is 40 1st St, Key West, FL worth?

The TopHap Estimate for 40 1st St, Key West, FL is $436,105 as of Aug 30, 2026. The likely range is $395,405 to $476,805. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

How big is 40 1st St, Key West, FL?

40 1st St, Key West, FL has 2 bedrooms, 1 bathrooms, 802 square feet of living space and a 0.15-acre lot.

When was 40 1st St, Key West, FL built?

40 1st St, Key West, FL was built in 1948, making it 78 years old. The building has 1 story.

What schools serve 40 1st St, Key West, FL?

40 1st St, Key West, FL is assigned to Gerald Adams Elementary School (elementary), rated C-; Key West High School (high), rated C-; Horace O'Bryant School (middle), rated D+. All sit in Monroe County School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 40 1st St, 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 4% of them ($436,105 against a typical $983,470), its price per square foot is higher than 17% of them ($544 against a typical $776), it is bigger than 16% of them (802 ft² against a typical 1,286 ft²), its lot is bigger than 66% of them (0.15 ac against a typical 0.12 ac) and it is newer than 23% of them (1948 against a typical 1973). Measured against all of Monroe County, it is worth more than 4% 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 40 1st St, Key West, FL?

The 2024 property tax bill for 40 1st St, Key West, FL was $3,013. The county assessed it at $310,421.

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