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Single Family ResidenceResidential
$516,368$357 / 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 $353,000 on Apr 7, 2020

830 18TH AVE

CLARKSTON, WA 99403
0
Baths
1,448 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.
0.29 ac
Lot SizeThe size of the land the home sits on, from county records.
2011
Year BuiltThe year the home was originally built, according to county records.

Valuation

$516K
$484K low$549K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$353,000 · Apr 7, 2020

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,186 (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.$392,000 (2024)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$44,500
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$347,500
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$392,000

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.0.29
HeatingThe type of heating system in the home.None

Transaction History(6)

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
Highland Elementary SchoolC
Elementary · Grades KG–6 · 1.0 mi
H
Charles Francis Adams High SchoolB+
High · Grades 9–12 · 1.1 mi
M
Lincoln Middle SchoolB
Middle · Grades 7–8 · 1.4 mi

District: Clarkston School District

Neighborhood · ZIP 99403These 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.106
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 100.61

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.14%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.18%
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.20,651
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.115 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$63,557
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$81,671
Average tempThe average temperature here across a full year.49°F
Annual precipHow much rain and melted snow falls here in a typical year.18 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

830 18th 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 87% of homes in Clarkston 99403
  • Costs more per square foot than 86% of homes in Clarkston 99403
  • Bigger than 67% of homes in Clarkston 99403
  • Newer than 98% of homes in Clarkston 99403

What homes are worth in Clarkston 99403

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

This home
$152K$779K

This home is worth more than 87% of homes in Clarkston 99403.

How it measures up in Clarkston 99403

The dot is this home. The mark in the middle is the typical home in Clarkston 99403.

Estimated value$516,368
CheaperTypical $335,916Pricier

Pricier than 87% of homes nearby

Price per ft²$357
CheaperTypical $282Pricier

Pricier than 86% of homes nearby

Living area1,448 ft²
SmallerTypical 1,238 ft²Bigger

Bigger than 67% of homes nearby

Lot size0.29 ac
SmallerTypical 0.29 acBigger

Bigger than 50% of homes nearby

Year built2011
OlderTypical 1971Newer

Newer than 98% of homes nearby

How 830 18th Ave ranks against every home in each area.
MeasureThis homeClarkston 99403
Estimated valuepricier than$516,36887% of homes
Price per ft²pricier than$35786% of homes
Living areabigger than1,448 ft²67% of homes
Lot sizebigger than0.29 ac50% of homes
Year builtnewer than201198% of homes

About 830 18th Ave

How much is 830 18th Ave, Clarkston, WA worth?

The TopHap Estimate for 830 18th Ave, Clarkston, WA is $516,368 as of Sep 24, 2026. The likely range is $483,512 to $549,224. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 830 18th Ave, Clarkston, WA last sell?

830 18th Ave, Clarkston, WA last sold on Apr 7, 2020 for $353,000, according to the county's recorded deed. TopHap holds 6 recorded sales for this parcel.

How big is 830 18th Ave, Clarkston, WA?

830 18th Ave, Clarkston, WA has 1,448 square feet of living space and a 0.29-acre lot.

When was 830 18th Ave, Clarkston, WA built?

830 18th Ave, Clarkston, WA was built in 2011, making it 15 years old.

What schools serve 830 18th Ave, Clarkston, WA?

830 18th Ave, Clarkston, WA is assigned to Highland Elementary School (elementary), rated C; Charles Francis Adams High School (high), rated B+; Lincoln Middle School (middle), rated B. All sit in Clarkston School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 830 18th Ave, Clarkston, WA compare to other homes in Clarkston 99403?

Among the 8,241 homes in Clarkston 99403, it is worth more than 87% of them ($516,368 against a typical $335,916), its price per square foot is higher than 86% of them ($357 against a typical $282), it is bigger than 67% of them (1,448 ft² against a typical 1,238 ft²), its lot is bigger than 50% of them (0.29 ac against a typical 0.29 ac) and it is newer than 98% of them (2011 against a typical 1971). These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 830 18th Ave, Clarkston, WA?

The 2025 property tax bill for 830 18th Ave, Clarkston, WA was $4,186. The county assessed it at $392,000.

More homes on 18th Ave

Closest homes

More homes in Clarkston 99403

Assigned schools

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