Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$2,744,420$1,142 / 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 93How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Oct 21, 2026
Last sold for $2,625,000 on Sep 18, 2024

17398 DOLPHIN ST

SUGARLOAF KEY, FL 33042
4
Beds
3
Baths
2,404 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.
0.53 ac
Lot SizeThe size of the land the home sits on, from county records.
2021
Year BuiltThe year the home was originally built, according to county records.
3
StoriesHow many floors the home has above ground.

Valuation

$2.7M
$2.6M low$2.9M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$2,625,000 · Sep 18, 2024

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$22,167 (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.$2,189,549 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$1,367,013
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$822,536
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$2,565,227
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$2,189,549

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.51
100
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
9
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.
51
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.108 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
Lot (acres)The size of the land the home sits on, from county records.0.53
FoundationWhat the home is built on, such as a concrete slab, a crawl space, or a basement.Pile
RoofThe main material covering the roof, such as asphalt shingle or tile.Metal
HeatingThe type of heating system in the home.Forced Air
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Porch · 1,428 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
Sugarloaf SchoolB-
Elementary · Grades PK–8 · 2.0 mi
H
Key West High SchoolC
High · Grades 9–12 · 15.3 mi

District: Monroe County School District

Neighborhood · ZIP 33042These 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.88
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 100.2

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.69%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.25%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.10%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.0.6%
PopulationHow many people live in this area.5,645
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.45 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$102,582
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$147,417
Average tempThe average temperature here across a full year.78°F
Annual precipHow much rain and melted snow falls here in a typical year.43 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

17398 Dolphin 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 more than 95% of homes in Summerland Key 33042
  • Costs more per square foot than 91% of homes in Summerland Key 33042
  • Bigger than 89% of homes in Summerland Key 33042
  • Has a bigger lot than 92% of homes in Summerland Key 33042
  • Newer than 98% of homes in Summerland Key 33042

What homes are worth in Summerland Key 33042

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

This home
$546K$3.5M

This home is worth more than 95% of homes in Summerland Key 33042.

How it measures up in Summerland Key 33042

The dot is this home. The mark in the middle is the typical home in Summerland Key 33042.

Estimated value$2,744,420
CheaperTypical $1,026,866Pricier

Pricier than 95% of homes nearby

Price per ft²$1142
CheaperTypical $731Pricier

Pricier than 91% of homes nearby

Living area2,404 ft²
SmallerTypical 1,350 ft²Bigger

Bigger than 89% of homes nearby

Lot size0.53 ac
SmallerTypical 0.17 acBigger

Bigger than 92% of homes nearby

Year built2021
OlderTypical 1989Newer

Newer than 98% of homes nearby

How 17398 Dolphin St ranks against every home in each area.
MeasureThis homeSummerland Key 33042Monroe County
Estimated valuepricier than$2,744,42095% of homes89% of homes
Price per ft²pricier than$114291% of homes82% of homes
Living areabigger than2,404 ft²89% of homes86% of homes
Lot sizebigger than0.53 ac92% of homes81% of homes
Year builtnewer than202198% of homes97% of homes

About 17398 Dolphin St

How much is 17398 Dolphin St, Sugarloaf Key, FL worth?

The TopHap Estimate for 17398 Dolphin St, Sugarloaf Key, FL is $2,744,420 as of Oct 21, 2026. The likely range is $2,560,465 to $2,928,375. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 17398 Dolphin St, Sugarloaf Key, FL last sell?

17398 Dolphin St, Sugarloaf Key, FL last sold on Sep 18, 2024 for $2,625,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 17398 Dolphin St, Sugarloaf Key, FL?

17398 Dolphin St, Sugarloaf Key, FL has 4 bedrooms, 3 bathrooms, 2,404 square feet of living space and a 0.53-acre lot.

When was 17398 Dolphin St, Sugarloaf Key, FL built?

17398 Dolphin St, Sugarloaf Key, FL was built in 2021, making it 5 years old. The building has 3 stories.

What schools serve 17398 Dolphin St, Sugarloaf Key, FL?

17398 Dolphin St, Sugarloaf Key, FL is assigned to Sugarloaf School (elementary), rated B-; Key West High School (high), rated C. All sit in Monroe County School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 17398 Dolphin St, Sugarloaf Key, FL compare to other homes in Summerland Key 33042?

Among the 4,624 homes in Summerland Key 33042, it is worth more than 95% of them ($2,744,420 against a typical $1,026,866), its price per square foot is higher than 91% of them ($1142 against a typical $731), it is bigger than 89% of them (2,404 ft² against a typical 1,350 ft²), its lot is bigger than 92% of them (0.53 ac against a typical 0.17 ac) and it is newer than 98% of them (2021 against a typical 1989). Measured against all of Monroe County, it is worth more than 89% 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 17398 Dolphin St, Sugarloaf Key, FL?

The 2024 property tax bill for 17398 Dolphin St, Sugarloaf Key, FL was $22,167. The county assessed it at $2,189,549.

More homes on Dolphin St

Closest homes

More homes in Sugarloaf Key 33042

Assigned schools

Explore the area

See this home in context

Open 17398 Dolphin St 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