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Single Family ResidenceResidential
$930,774$375 / 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 95How 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 $177,000 on Jun 23, 1997

31414 NE BIG ROCK RD

DUVALL, WA 98019
4
Beds
2.3
Baths
2,480 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.
1.67 ac
Lot SizeThe size of the land the home sits on, from county records.
1964
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
4
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$931K
$880K low$981K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$177,000 · Jun 23, 1997

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$10,037 (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.$938,000 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$277,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$661,000
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$872,000
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$938,000

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyKING
Effective Year BuiltAn adjusted build year that accounts for condition and major remodels. A big renovation can make a home count as newer than it is.1980
HeatingThe type of heating system in the home.Electric
FireplaceWhether the home has a fireplace, and what kind.Yes
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Attached
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 · 240 ft²ElevatorPorch · 420 ft²

Transaction History(1)

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
Stillwater Elementary SchoolA-
Elementary · Grades KG–5 · 0.6 mi
H
Cedarcrest High SchoolA
High · Grades 9–12 · 2.5 mi
M
Tolt Middle SchoolB+
Middle · Grades 6–8 · 4.5 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%

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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

31414 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.

  • Costs less per square foot than 79% of homes in Duvall 98019
  • Bigger than 72% of homes in King County
  • Has a bigger lot than 88% of homes in King County
  • Older than 93% of homes in Duvall 98019

What homes are worth in Duvall 98019

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

This home
$477K$1.7M

This home is worth more than 48% of homes in Duvall 98019.

How it measures up in Duvall 98019

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

Estimated value$930,774
CheaperTypical $940,020Pricier

Pricier than 48% of homes nearby

Price per ft²$375
CheaperTypical $430Pricier

Pricier than 21% of homes nearby

Living area2,480 ft²
SmallerTypical 2,210 ft²Bigger

Bigger than 64% of homes nearby

Lot size1.67 ac
SmallerTypical 0.32 acBigger

Bigger than 71% of homes nearby

Year built1964
OlderTypical 1998Newer

Newer than 7% of homes nearby

How 31414 Ne Big Rock Rd ranks against every home in each area.
MeasureThis homeDuvall 98019King County
Estimated valuepricier than$930,77448% of homes57% of homes
Price per ft²pricier than$37521% of homes23% of homes
Living areabigger than2,480 ft²64% of homes72% of homes
Lot sizebigger than1.67 ac71% of homes88% of homes
Year builtnewer than19647% of homes34% of homes

About 31414 Ne Big Rock Rd

How much is 31414 Ne Big Rock Rd, Duvall, WA worth?

The TopHap Estimate for 31414 Ne Big Rock Rd, Duvall, WA is $930,774 as of Oct 21, 2026. The likely range is $880,125 to $981,423. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 31414 Ne Big Rock Rd, Duvall, WA last sell?

31414 Ne Big Rock Rd, Duvall, WA last sold on Jun 23, 1997 for $177,000, according to the county's recorded deed.

How big is 31414 Ne Big Rock Rd, Duvall, WA?

31414 Ne Big Rock Rd, Duvall, WA has 4 bedrooms, 2.3 bathrooms and 2,480 square feet of living space.

When was 31414 Ne Big Rock Rd, Duvall, WA built?

31414 Ne Big Rock Rd, Duvall, WA was built in 1964, making it 62 years old. The building has 1 story.

What schools serve 31414 Ne Big Rock Rd, Duvall, WA?

31414 Ne Big Rock Rd, Duvall, WA is assigned to Stillwater Elementary School (elementary), rated A-; Cedarcrest High School (high), rated A; Tolt Middle School (middle), rated B+. All sit in Riverview School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 31414 Ne Big Rock Rd, Duvall, WA compare to other homes in Duvall 98019?

Among the 4,677 homes in Duvall 98019, it is worth more than 48% of them ($930,774 against a typical $940,020), its price per square foot is higher than 21% of them ($375 against a typical $430), it is bigger than 64% of them (2,480 ft² against a typical 2,210 ft²), its lot is bigger than 71% of them (1.67 ac against a typical 0.32 ac) and it is newer than 7% of them (1964 against a typical 1998). Measured against all of King County, it is worth more than 57% 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 31414 Ne Big Rock Rd, Duvall, WA?

The 2026 property tax bill for 31414 Ne Big Rock Rd, Duvall, WA was $10,037. The county assessed it at $938,000.

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