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CondominiumResidential
$422,469$363 / 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 Aug 30, 2026
Last sold for $327,000 on Nov 12, 2020

25123 ROBERTS DR

BLACK DIAMOND, WA 98010
Building report
3
Beds
1.5
Baths
1,163 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.
3.97 ac
Lot SizeThe size of the land the home sits on, from county records.
1995
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$422K
$391K low$454K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$327,000 · Nov 12, 2020

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,161 (2026)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$376,000 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$33,700
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$342,300
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$389,000
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$376,000

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.22 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%

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
StyleThe architectural style of the home, such as ranch or colonial.Condo/Apartment
CountyKING
ConstructionThe main material the home's frame and walls are built from.Wood (Unspecified)
FireplaceWhether the home has a fireplace, and what kind.Yes
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(9)

Sales and refinances filed with the county for this home. Not every transfer is a normal sale, so check the type before comparing prices.

Foreclosure Filings(1)

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

E
Black Diamond Elementary SchoolA-
Elementary · Grades KG–5 · 0.4 mi
M
Thunder Mountain Middle SchoolA-
Middle · Grades 6–8 · 6.4 mi
H
Enumclaw High SchoolC
High · Grades 9–12 · 8.6 mi

District: Enumclaw School District

Neighborhood · ZIP 98010These 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.83
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.116
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.237

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.95%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.35%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.2.3%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.7%
PopulationHow many people live in this area.6,853
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.363 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$136,748
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$169,893
Average tempThe average temperature here across a full year.50°F
Annual precipHow much rain and melted snow falls here in a typical year.54 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.43%

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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

25123 Roberts Dr 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 97% of homes in Black Diamond 98010
  • Costs less per square foot than 77% of homes in King County
  • Smaller than 91% of homes in Black Diamond 98010
  • Has a bigger lot than 97% of homes in Black Diamond 98010
  • Newer than 72% of homes in King County

What homes are worth in Black Diamond 98010

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

This home
$393K$1.7M

This home is worth more than 3% of homes in Black Diamond 98010.

How it measures up in Black Diamond 98010

The dot is this home. The mark in the middle is the typical home in Black Diamond 98010.

Estimated value$422,469
CheaperTypical $753,170Pricier

Pricier than 3% of homes nearby

Price per ft²$363
CheaperTypical $357Pricier

Pricier than 52% of homes nearby

Living area1,163 ft²
SmallerTypical 2,270 ft²Bigger

Bigger than 9% of homes nearby

Lot size3.97 ac
SmallerTypical 0.17 acBigger

Bigger than 97% of homes nearby

Year built1995
OlderTypical 2007Newer

Newer than 37% of homes nearby

How 25123 Roberts Dr ranks against every home in each area.
MeasureThis homeBlack Diamond 98010King County
Estimated valuepricier than$422,4693% of homes9% of homes
Price per ft²pricier than$36352% of homes23% of homes
Living areabigger than1,163 ft²9% of homes19% of homes
Lot sizebigger than3.97 ac97% of homes92% of homes
Year builtnewer than199537% of homes72% of homes

About 25123 Roberts Dr

How much is 25123 Roberts Dr, Black Diamond, WA worth?

The TopHap Estimate for 25123 Roberts Dr, Black Diamond, WA is $422,469 as of Aug 30, 2026. The likely range is $391,415 to $453,523. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 25123 Roberts Dr, Black Diamond, WA last sell?

25123 Roberts Dr, Black Diamond, WA last sold on Nov 12, 2020 for $327,000, according to the county's recorded deed. TopHap holds 5 recorded sales for this parcel.

How big is 25123 Roberts Dr, Black Diamond, WA?

25123 Roberts Dr, Black Diamond, WA has 3 bedrooms, 1.5 bathrooms and 1,163 square feet of living space.

When was 25123 Roberts Dr, Black Diamond, WA built?

25123 Roberts Dr, Black Diamond, WA was built in 1995, making it 31 years old. It is a condo/apartment home. The building has 2 stories.

What schools serve 25123 Roberts Dr, Black Diamond, WA?

25123 Roberts Dr, Black Diamond, WA is assigned to Black Diamond Elementary School (elementary), rated A-; Thunder Mountain Middle School (middle), rated A-; Enumclaw High School (high), rated C. All sit in Enumclaw School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 25123 Roberts Dr, Black Diamond, WA compare to other homes in Black Diamond 98010?

Among the 3,588 homes in Black Diamond 98010, it is worth more than 3% of them ($422,469 against a typical $753,170), its price per square foot is higher than 52% of them ($363 against a typical $357), it is bigger than 9% of them (1,163 ft² against a typical 2,270 ft²), its lot is bigger than 97% of them (3.97 ac against a typical 0.17 ac) and it is newer than 37% of them (1995 against a typical 2007). Measured against all of King County, it is worth more than 9% 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 25123 Roberts Dr, Black Diamond, WA?

The 2026 property tax bill for 25123 Roberts Dr, Black Diamond, WA was $3,161. The county assessed it at $376,000.

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