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Single Family ResidenceResidential
$302,966$265 / 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 87How 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

527 COSTLEY LN

ASOTIN, WA 99402
0
Baths
1,144 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.
0.6 ac
Lot SizeThe size of the land the home sits on, from county records.
1911
Year BuiltThe year the home was originally built, according to county records.

Valuation

$303K
$262K low$344K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,135 (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.$180,350 (2024)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$54,750
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$125,600
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$180,350

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.36
99
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
79
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
5
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.197 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
CountyAsotin
Lot (acres)The size of the land the home sits on, from county records.0.60
HeatingThe type of heating system in the home.None

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.

M
Asotin Jr Sr High SchoolB
Middle · Grades 6–12 · 0.4 mi
E
Asotin Elementary SchoolA-
Elementary · Grades PK–5 · 0.5 mi

District: Asotin-Anatone School District

Neighborhood · ZIP 99402These 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.129
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.115
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.60

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.82%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.22%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.8.0%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.0.8%
PopulationHow many people live in this area.859
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.4 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$80,231
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$113,387
Average tempThe average temperature here across a full year.46°F
Annual precipHow much rain and melted snow falls here in a typical year.17 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.54%

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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

527 Costley Ln 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 77% of homes in Asotin 99402
  • Costs less per square foot than 65% of homes in Asotin 99402
  • Smaller than 72% of homes in Asotin 99402
  • Has a bigger lot than 75% of homes in Asotin County
  • Older than 96% of homes in Asotin County

What homes are worth in Asotin 99402

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

This home
$136K$964K

This home is worth more than 23% of homes in Asotin 99402.

How it measures up in Asotin 99402

The dot is this home. The mark in the middle is the typical home in Asotin 99402.

Estimated value$302,966
CheaperTypical $407,964Pricier

Pricier than 23% of homes nearby

Price per ft²$265
CheaperTypical $292Pricier

Pricier than 35% of homes nearby

Living area1,144 ft²
SmallerTypical 1,434 ft²Bigger

Bigger than 28% of homes nearby

Lot size0.6 ac
SmallerTypical 0.5 acBigger

Bigger than 55% of homes nearby

Year built1911
OlderTypical 1980Newer

Newer than 6% of homes nearby

How 527 Costley Ln ranks against every home in each area.
MeasureThis homeAsotin 99402Asotin County
Estimated valuepricier than$302,96623% of homes39% of homes
Price per ft²pricier than$26535% of homes36% of homes
Living areabigger than1,144 ft²28% of homes41% of homes
Lot sizebigger than0.6 ac55% of homes75% of homes
Year builtnewer than19116% of homes4% of homes

About 527 Costley Ln

How much is 527 Costley Ln, Asotin, WA worth?

The TopHap Estimate for 527 Costley Ln, Asotin, WA is $302,966 as of Oct 21, 2026. The likely range is $262,076 to $343,856. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

How big is 527 Costley Ln, Asotin, WA?

527 Costley Ln, Asotin, WA has 1,144 square feet of living space and a 0.60-acre lot.

When was 527 Costley Ln, Asotin, WA built?

527 Costley Ln, Asotin, WA was built in 1911, making it 115 years old.

What schools serve 527 Costley Ln, Asotin, WA?

527 Costley Ln, Asotin, WA is assigned to Asotin Jr Sr High School (middle), rated B; Asotin Elementary School (elementary), rated A-. All sit in Asotin-Anatone School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 527 Costley Ln, Asotin, WA compare to other homes in Asotin 99402?

Among the 829 homes in Asotin 99402, it is worth more than 23% of them ($302,966 against a typical $407,964), its price per square foot is higher than 35% of them ($265 against a typical $292), it is bigger than 28% of them (1,144 ft² against a typical 1,434 ft²), its lot is bigger than 55% of them (0.6 ac against a typical 0.5 ac) and it is newer than 6% of them (1911 against a typical 1980). Measured against all of Asotin County, it is worth more than 39% 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 527 Costley Ln, Asotin, WA?

The 2025 property tax bill for 527 Costley Ln, Asotin, WA was $1,135. The county assessed it at $180,350.

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