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CondominiumResidential
$400,691$324 / 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 97How 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 $450,000 on Sep 11, 2023

21509 4TH AVE W

BOTHELL, WA 98021
Building report
2
Beds
2
Baths
1,237 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.
5.83 ac
Lot SizeThe size of the land the home sits on, from county records.
1980
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.

Valuation

$401K
$388K low$414K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$450,000 · Sep 11, 2023

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,901 (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.$452,000 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$95,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$357,000
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$422,500
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$452,000

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.11
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
25
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.
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.Condominium
CountySNOHOMISH
Lot (acres)The size of the land the home sits on, from county records.5.83
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.Wood Shingle
HeatingThe type of heating system in the home.Yes
FireplaceWhether the home has a fireplace, and what kind.Yes
PoolWhether the property has a pool, and what kind, such as in-ground.No
ViewThe type of view from the property, or another feature of the site that affects value.Condo
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Patio · 144 ft²Porch · 144 ft²

Transaction History(2)

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
Frank Love Elementary SchoolA-
Elementary · Grades KG–5 · 0.5 mi
M
Kenmore Middle SchoolB+
Middle · Grades 6–8 · 2.0 mi
H
Bothell High SchoolB+
High · Grades 9–12 · 3.0 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

21509 4th Ave 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.

  • Among the least valuable homes in Damson / Logan
  • Among the lowest price per square foot in Bothell 98021
  • Smaller than 89% of homes in Damson / Logan
  • Among the largest lots in Damson / Logan
  • Older than 72% 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
$416K$1.9M

This home is worth more than 2% 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$400,691
CheaperTypical $1,050,000Pricier

Pricier than 2% of homes nearby

Price per ft²$324
CheaperTypical $479Pricier

Cheaper than almost all homes nearby

Living area1,237 ft²
SmallerTypical 2,163 ft²Bigger

Bigger than 11% of homes nearby

Lot size5.83 ac
SmallerTypical 0.19 acBigger

Bigger than 92% of homes nearby

Year built1980
OlderTypical 1995Newer

Newer than 28% of homes nearby

How 21509 4th Ave W ranks against every home in each area.
MeasureThis homeDamson / LoganBothell 98021Snohomish County
Estimated valuepricier than$400,691almost no homes2% of homes6% of homes
Price per ft²pricier than$3249% of homesalmost no homes15% of homes
Living areabigger than1,237 ft²11% of homes11% of homes19% of homes
Lot sizebigger than5.83 acalmost all homes92% of homes93% of homes
Year builtnewer than198030% of homes28% of homes38% of homes

About 21509 4th Ave W

How much is 21509 4th Ave W, Bothell, WA worth?

The TopHap Estimate for 21509 4th Ave W, Bothell, WA is $400,691 as of Sep 24, 2026. The likely range is $387,824 to $413,558. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 21509 4th Ave W, Bothell, WA last sell?

21509 4th Ave W, Bothell, WA last sold on Sep 11, 2023 for $450,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 21509 4th Ave W, Bothell, WA?

21509 4th Ave W, Bothell, WA has 2 bedrooms, 2 bathrooms, 1,237 square feet of living space and a 5.83-acre lot.

When was 21509 4th Ave W, Bothell, WA built?

21509 4th Ave W, Bothell, WA was built in 1980, making it 46 years old. The building has 1 story.

What schools serve 21509 4th Ave W, Bothell, WA?

21509 4th Ave W, Bothell, WA is assigned to Frank Love Elementary School (elementary), rated A-; Kenmore Middle School (middle), rated B+; Bothell High School (high), rated B+. All sit in Northshore School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 21509 4th Ave W, Bothell, WA compare to other homes in Bothell 98021?

Among the 11,753 homes in Bothell 98021, it is worth more than 2% of them ($400,691 against a typical $1,050,000), its price per square foot is higher than almost none of them ($324 against a typical $479), it is bigger than 11% of them (1,237 ft² against a typical 2,163 ft²), its lot is bigger than 92% of them (5.83 ac against a typical 0.19 ac) and it is newer than 28% of them (1980 against a typical 1995). Measured against all of Snohomish County, it is worth more than 6% 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 21509 4th Ave W, Bothell, WA?

The 2026 property tax bill for 21509 4th Ave W, Bothell, WA was $3,901. The county assessed it at $452,000.

More homes on 4th Ave W

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