Skip to content
Skip to content
TopHapOpen in map
Mobile HomeResidential
Last sold for $339,514 on Jun 22, 2026

31B 9TH AVE

KEY WEST, FL 33040
1
Beds
1
Baths
1,120 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.
3,441 ft²
Lot SizeThe size of the land the home sits on, from county records.
1976
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.

Valuation

Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$339,514 · Jun 22, 2026

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,615 (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.$235,799 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$213,738
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$22,061
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$234,169
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$235,799

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.52 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.Mobile Home
StyleThe architectural style of the home, such as ranch or colonial.Mobile Home
CountyMONROE
Lot (acres)The size of the land the home sits on, from county records.0.08
ConstructionThe main material the home's frame and walls are built from.Metal Frame (Unspecified)
FoundationWhat the home is built on, such as a concrete slab, a crawl space, or a basement.Block (Unspecified)
RoofThe main material covering the roof, such as asphalt shingle or tile.Concrete
HeatingThe type of heating system in the home.None
CoolingThe type of cooling or air conditioning in the home.Yes
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.Deck · 120 ft²Patio · 580 ft²Porch · 1,036 ft²

Transaction History(3)

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 SchoolD
Elementary · Grades PK–5 · 1.0 mi
H
Key West High SchoolC
High · Grades 9–12 · 2.3 mi
M
Horace O'Bryant SchoolD
Middle · Grades PK–8 · 2.8 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

31b 9th Ave 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.

  • Smaller than 69% of homes in Monroe County
  • Has a smaller lot than 87% of homes in Monroe County

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.

Living area1,120 ft²
SmallerTypical 1,288 ft²Bigger

Bigger than 37% of homes nearby

Lot size3,441 ft²
SmallerTypical 0.12 acBigger

Bigger than 28% of homes nearby

Year built1976
OlderTypical 1973Newer

Newer than 53% of homes nearby

How 31b 9th Ave ranks against every home in each area.
MeasureThis homeKey West 33040Monroe County
Living areabigger than1,120 ft²37% of homes31% of homes
Lot sizebigger than3,441 ft²28% of homes13% of homes
Year builtnewer than197653% of homes37% of homes

About 31b 9th Ave

When did 31b 9th Ave, Key West, FL last sell?

31b 9th Ave, Key West, FL last sold on Jun 22, 2026 for $339,514, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 31b 9th Ave, Key West, FL?

31b 9th Ave, Key West, FL has 1 bedrooms, 1 bathrooms, 1,120 square feet of living space and a 0.08-acre lot.

When was 31b 9th Ave, Key West, FL built?

31b 9th Ave, Key West, FL was built in 1976, making it 50 years old. It is a mobile home home. The building has 1 story.

What schools serve 31b 9th Ave, Key West, FL?

31b 9th Ave, Key West, FL is assigned to Gerald Adams Elementary School (elementary), rated D; 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 31b 9th Ave, Key West, FL compare to other homes in Key West 33040?

Among the 11,988 homes in Key West 33040, it is bigger than 37% of them (1,120 ft² against a typical 1,288 ft²), its lot is bigger than 28% of them (3,441 ft² against a typical 0.12 ac) and it is newer than 53% of them (1976 against a typical 1973). These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 31b 9th Ave, Key West, FL?

The 2025 property tax bill for 31b 9th Ave, Key West, FL was $2,615. The county assessed it at $235,799.

More homes on 31b 9th Ave

Closest homes

More homes in Key West 33040

Assigned schools

Explore the area

See this home in context

Open 31b 9th Ave 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