Skip to content
Skip to content
TopHapOpen in map
Mobile HomeResidential
Last sold for $1,650,000 on Sep 16, 2024

28440 NE BIG ROCK RD

DUVALL, WA 98019
0
Baths
4.81 ac
Lot SizeThe size of the land the home sits on, from county records.
5
ParkingThe number of parking spaces on the property, including the garage.

Valuation

Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$1,650,000 · Sep 16, 2024

Tax & Assessment

Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$698,000 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$607,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$91,000
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$678,000
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$698,000

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.7 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.Mobile Home
StyleThe architectural style of the home, such as ranch or colonial.Mobile Home
CountyKING
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Detached
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.Elevator

Transaction History(4)

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.

H
Cedarcrest High SchoolA
High · Grades 9–12 · 0.9 mi
E
Stillwater Elementary SchoolA-
Elementary · Grades KG–5 · 2.7 mi
M
Tolt Middle SchoolB+
Middle · Grades 6–8 · 5.9 mi

District: Riverview School District

Neighborhood · ZIP 98019These 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.32
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.103
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.242

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.37%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.5.4%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.4%
PopulationHow many people live in this area.13,767
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.144 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$150,790
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$162,530
Average tempThe average temperature here across a full year.49°F
Annual precipHow much rain and melted snow falls here in a typical year.66 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.43%

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

28440 Ne Big Rock Rd 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.

  • Has a bigger lot than 94% of homes in King County

How it measures up in Duvall 98019

The dot is this home. The mark in the middle is the typical home in Duvall 98019.

Lot size4.81 ac
SmallerTypical 0.32 acBigger

Bigger than 82% of homes nearby

How 28440 Ne Big Rock Rd ranks against every home in each area.
MeasureThis homeDuvall 98019King County
Lot sizebigger than4.81 ac82% of homes94% of homes

More homes on Ne Big Rock Rd

Closest homes

More homes in Duvall 98019

Assigned schools

Explore the area

See this home in context

Open 28440 Ne Big Rock Rd 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