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Single Family ResidenceResidential
$706,649$398 / 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 94How 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 $440,000 on Jan 6, 2021

17520 NW 21ST AVE

RIDGEFIELD, WA 98642
3
Beds
1
Baths
1,777 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.
1.95 ac
Lot SizeThe size of the land the home sits on, from county records.
1945
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$707K
$661K low$753K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$440,000 · Jan 6, 2021

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$5,243 (2025)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$638,207 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$374,902
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$263,305
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$560,260
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$638,207

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.33
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
30
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
39
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
95
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
2
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.

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.Conventional
CountyCLARK
ConstructionThe main material the home's frame and walls are built from.Steel Frame
RoofThe main material covering the roof, such as asphalt shingle or tile.Concrete
HeatingThe type of heating system in the home.Forced Air With Air Conditioning
CoolingThe type of cooling or air conditioning in the home.None
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, 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.Deck · 154 ft²Porch · 154 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
South Ridge Elementary SchoolA-
Elementary · Grades KG–4 · 1.5 mi
M
View Ridge Middle SchoolB
Middle · Grades 7–8 · 3.0 mi
H
Ridgefield High SchoolB+
High · Grades 9–12 · 3.5 mi

District: Ridgefield School District

Neighborhood · ZIP 98642These 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.69
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.112
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.180

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.25%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.4.3%
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.25,473
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.407 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$110,817
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$142,934
Average tempThe average temperature here across a full year.52°F
Annual precipHow much rain and melted snow falls here in a typical year.46 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.35%

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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

17520 Nw 21st Ave 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 more than 75% of homes in Clark County
  • Costs more per square foot than 83% of homes in Ridgefield 98642
  • Smaller than 70% of homes in Ridgefield 98642
  • Has a bigger lot than 84% of homes in Clark County
  • Older than 95% of homes in Ridgefield 98642

What homes are worth in Ridgefield 98642

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

This home
$403K$1.6M

This home is worth more than 56% of homes in Ridgefield 98642.

How it measures up in Ridgefield 98642

The dot is this home. The mark in the middle is the typical home in Ridgefield 98642.

Estimated value$706,649
CheaperTypical $668,297Pricier

Pricier than 56% of homes nearby

Price per ft²$398
CheaperTypical $303Pricier

Pricier than 83% of homes nearby

Living area1,777 ft²
SmallerTypical 2,119 ft²Bigger

Bigger than 30% of homes nearby

Lot size1.95 ac
SmallerTypical 0.19 acBigger

Bigger than 76% of homes nearby

Year built1945
OlderTypical 2013Newer

Newer than 5% of homes nearby

How 17520 Nw 21st Ave ranks against every home in each area.
MeasureThis homeRidgefield 98642Clark County
Estimated valuepricier than$706,64956% of homes75% of homes
Price per ft²pricier than$39883% of homes83% of homes
Living areabigger than1,777 ft²30% of homes52% of homes
Lot sizebigger than1.95 ac76% of homes84% of homes
Year builtnewer than19455% of homes6% of homes

About 17520 Nw 21st Ave

How much is 17520 Nw 21st Ave, Ridgefield, WA worth?

The TopHap Estimate for 17520 Nw 21st Ave, Ridgefield, WA is $706,649 as of Sep 24, 2026. The likely range is $660,755 to $752,543. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 17520 Nw 21st Ave, Ridgefield, WA last sell?

17520 Nw 21st Ave, Ridgefield, WA last sold on Jan 6, 2021 for $440,000, according to the county's recorded deed.

How big is 17520 Nw 21st Ave, Ridgefield, WA?

17520 Nw 21st Ave, Ridgefield, WA has 3 bedrooms, 1 bathrooms and 1,777 square feet of living space.

When was 17520 Nw 21st Ave, Ridgefield, WA built?

17520 Nw 21st Ave, Ridgefield, WA was built in 1945, making it 81 years old. It is a conventional home. The building has 1 story.

What schools serve 17520 Nw 21st Ave, Ridgefield, WA?

17520 Nw 21st Ave, Ridgefield, WA is assigned to South Ridge Elementary School (elementary), rated A-; View Ridge Middle School (middle), rated B; Ridgefield High School (high), rated B+. All sit in Ridgefield School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 17520 Nw 21st Ave, Ridgefield, WA compare to other homes in Ridgefield 98642?

Among the 11,439 homes in Ridgefield 98642, it is worth more than 56% of them ($706,649 against a typical $668,297), its price per square foot is higher than 83% of them ($398 against a typical $303), it is bigger than 30% of them (1,777 ft² against a typical 2,119 ft²), its lot is bigger than 76% of them (1.95 ac against a typical 0.19 ac) and it is newer than 5% of them (1945 against a typical 2013). Measured against all of Clark County, it is worth more than 75% 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 17520 Nw 21st Ave, Ridgefield, WA?

The 2025 property tax bill for 17520 Nw 21st Ave, Ridgefield, WA was $5,243. The county assessed it at $638,207.

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