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CondominiumResidential
$595,888$621 / 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 92How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Sep 24, 2026
Last sold for $265,000 on Sep 27, 2002

666 PROSPECT ST

HONOLULU, HI 96813
Building report
2
Beds
2
Baths
960 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.
1.29 ac
Lot SizeThe size of the land the home sits on, from county records.
1970
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
4
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
1
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$596K
$550K low$642K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$265,000 · Sep 27, 2002

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,080 (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.$624,200 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$94,500
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$529,700
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$714,400
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$624,200

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Condominium
StyleThe architectural style of the home, such as ranch or colonial.High Rise
CountyHONOLULU
ConstructionThe main material the home's frame and walls are built from.Concrete
RoofThe main material covering the roof, such as asphalt shingle or tile.Builtup (layered Asphalt)
HeatingThe type of heating system in the home.None
CoolingThe type of cooling or air conditioning in the home.Central
PoolWhether the property has a pool, and what kind, such as in-ground.Yes
ViewThe type of view from the property, or another feature of the site that affects value.Open Space
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Porch · 105 ft²

Transaction History(5)

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
Royal Elementary SchoolC+
Elementary · Grades KG–5 · 0.3 mi
M
Prince David Kawananakoa Middle SchoolB
Middle · Grades 6–8 · 0.7 mi
H
President Theodore Roosevelt High SchoolA-
High · Grades 9–12 · 0.8 mi

District: Hawaii Department of Education

Neighborhood · ZIP 96813These 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.135
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.82
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.0

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.93%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.29%
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.0.8%
PopulationHow many people live in this area.28,158
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.6,695 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$82,402
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$108,945
Average tempThe average temperature here across a full year.74°F
Annual precipHow much rain and melted snow falls here in a typical year.53 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.69%

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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

666 Prospect 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 69% of homes in Honolulu County
  • Costs less per square foot than 67% of homes in Honolulu 96813
  • Smaller than 65% of homes in Honolulu County
  • Has a bigger lot than 77% of homes in Honolulu County
  • Older than 83% of homes in Honolulu 96813

What homes are worth in Honolulu 96813

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

This home
$253K$1.9M

This home is worth more than 41% of homes in Honolulu 96813.

How it measures up in Honolulu 96813

The dot is this home. The mark in the middle is the typical home in Honolulu 96813.

Estimated value$595,888
CheaperTypical $657,082Pricier

Pricier than 41% of homes nearby

Price per ft²$621
CheaperTypical $759Pricier

Pricier than 33% of homes nearby

Living area960 ft²
SmallerTypical 847 ft²Bigger

Bigger than 62% of homes nearby

Lot size1.29 ac
SmallerTypical 0.47 acBigger

Bigger than 61% of homes nearby

Year built1970
OlderTypical 1998Newer

Newer than 17% of homes nearby

How 666 Prospect St ranks against every home in each area.
MeasureThis homeHonolulu 96813Honolulu County
Estimated valuepricier than$595,88841% of homes31% of homes
Price per ft²pricier than$62133% of homes46% of homes
Living areabigger than960 ft²62% of homes35% of homes
Lot sizebigger than1.29 ac61% of homes77% of homes
Year builtnewer than197017% of homes34% of homes

About 666 Prospect St

How much is 666 Prospect St, Honolulu, HI worth?

The TopHap Estimate for 666 Prospect St, Honolulu, HI is $595,888 as of Sep 24, 2026. The likely range is $549,609 to $642,167. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 666 Prospect St, Honolulu, HI last sell?

666 Prospect St, Honolulu, HI last sold on Sep 27, 2002 for $265,000, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 666 Prospect St, Honolulu, HI?

666 Prospect St, Honolulu, HI has 2 bedrooms, 2 bathrooms and 960 square feet of living space.

When was 666 Prospect St, Honolulu, HI built?

666 Prospect St, Honolulu, HI was built in 1970, making it 56 years old. It is a high rise home. The building has 1 story.

What schools serve 666 Prospect St, Honolulu, HI?

666 Prospect St, Honolulu, HI is assigned to Royal Elementary School (elementary), rated C+; Prince David Kawananakoa Middle School (middle), rated B; President Theodore Roosevelt High School (high), rated A-. All sit in Hawaii Department of Education. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 666 Prospect St, Honolulu, HI compare to other homes in Honolulu 96813?

Among the 13,983 homes in Honolulu 96813, it is worth more than 41% of them ($595,888 against a typical $657,082), its price per square foot is higher than 33% of them ($621 against a typical $759), it is bigger than 62% of them (960 ft² against a typical 847 ft²), its lot is bigger than 61% of them (1.29 ac against a typical 0.47 ac) and it is newer than 17% of them (1970 against a typical 1998). Measured against all of Honolulu County, it is worth more than 31% 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 666 Prospect St, Honolulu, HI?

The 2025 property tax bill for 666 Prospect St, Honolulu, HI was $2,080. The county assessed it at $624,200.

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