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Single Family ResidenceResidential
$561,214$325 / 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 Jul 14, 2026

21818 4TH PL W

BOTHELL, WA 98021
4
Beds
1.5
Baths
1,728 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.
0.19 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.
6
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

$561K
$523K low$599K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$6,165 (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.$725,900 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$562,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$163,900
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$662,700
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$725,900

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.16
50
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
1
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
32
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.14 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%
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.minimal

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
StyleThe architectural style of the home, such as ranch or colonial.Split Foyer
CountySNOHOMISH
Lot (acres)The size of the land the home sits on, from county records.0.19
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
FoundationWhat the home is built on, such as a concrete slab, a crawl space, or a basement.No Foundation
RoofThe main material covering the roof, such as asphalt shingle or tile.Composition Shingle
HeatingThe type of heating system in the home.Baseboard
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 · 72 ft²Patio · 48 ft²

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

E
Frank Love Elementary SchoolA-
Elementary · Grades KG–5 · 0.3 mi
M
Kenmore Middle SchoolB
Middle · Grades 6–8 · 1.8 mi
H
Bothell High SchoolA
High · Grades 9–12 · 2.9 mi

District: Northshore School District

Neighborhood · ZIP 98021These 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.50
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.108
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.257

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.97%
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.4.7%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.5%
PopulationHow many people live in this area.35,264
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.3,481 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$153,416
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$178,228
Average tempThe average temperature here across a full year.51°F
Annual precipHow much rain and melted snow falls here in a typical year.41 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

21818 4th Pl W 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 96% of homes in Queensborough / Brentwood / Crystal Springs
  • Costs less per square foot than 92% of homes in Queensborough / Brentwood / Crystal Springs
  • Smaller than 69% of homes in Bothell 98021
  • Has a smaller lot than 65% of homes in Queensborough / Brentwood / Crystal Springs
  • Older than 87% of homes in Bothell 98021

What homes are worth in Bothell 98021

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

This home
$405K$1.7M

This home is worth more than 6% of homes in Bothell 98021.

How it measures up in Bothell 98021

The dot is this home. The mark in the middle is the typical home in Bothell 98021.

Estimated value$561,214
CheaperTypical $943,179Pricier

Pricier than 6% of homes nearby

Price per ft²$325
CheaperTypical $433Pricier

Pricier than 10% of homes nearby

Living area1,728 ft²
SmallerTypical 2,164 ft²Bigger

Bigger than 31% of homes nearby

Lot size0.19 ac
SmallerTypical 0.19 acBigger

Bigger than 46% of homes nearby

Year built1970
OlderTypical 1996Newer

Newer than 13% of homes nearby

How 21818 4th Pl W ranks against every home in each area.
MeasureThis homeQueensborough / Brentwood / Crystal SpringsBothell 98021Snohomish County
Estimated valuepricier than$561,2144% of homes6% of homes27% of homes
Price per ft²pricier than$3258% of homes10% of homes26% of homes
Living areabigger than1,728 ft²41% of homes31% of homes46% of homes
Lot sizebigger than0.19 ac35% of homes46% of homes35% of homes
Year builtnewer than197029% of homes13% of homes25% of homes

About 21818 4th Pl W

How much is 21818 4th Pl W, Bothell, WA worth?

The TopHap Estimate for 21818 4th Pl W, Bothell, WA is $561,214 as of Jul 14, 2026. The likely range is $523,154 to $599,274. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 21818 4th Pl W, Bothell, WA last sell?

21818 4th Pl W, Bothell, WA last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 21818 4th Pl W, Bothell, WA?

21818 4th Pl W, Bothell, WA has 4 bedrooms, 1.5 bathrooms, 1,728 square feet of living space and a 0.19-acre lot.

When was 21818 4th Pl W, Bothell, WA built?

21818 4th Pl W, Bothell, WA was built in 1970, making it 56 years old. It is a split foyer home.

What schools serve 21818 4th Pl W, Bothell, WA?

21818 4th Pl W, Bothell, WA is assigned to Frank Love Elementary School (elementary), rated A-; Kenmore Middle School (middle), rated B; Bothell High School (high), rated A. All sit in Northshore School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 21818 4th Pl W, Bothell, WA compare to other homes in Bothell 98021?

Among the 11,754 homes in Bothell 98021, it is worth more than 6% of them ($561,214 against a typical $943,179), its price per square foot is higher than 10% of them ($325 against a typical $433), it is bigger than 31% of them (1,728 ft² against a typical 2,164 ft²), its lot is bigger than 46% of them (0.19 ac against a typical 0.19 ac) and it is newer than 13% of them (1970 against a typical 1996). Measured against all of Snohomish County, it is worth more than 27% 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 21818 4th Pl W, Bothell, WA?

The 2026 property tax bill for 21818 4th Pl W, Bothell, WA was $6,165. The county assessed it at $725,900.

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