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Single Family ResidenceResidential
$321,574$248 / 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

636 18TH AVE

LONGVIEW, WA 98632
3
Beds
2
Baths
1,295 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.
1925
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.

Valuation

$322K
$301K low$342K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$680 (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.$349,840 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$34,760
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$315,080
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$324,590
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$349,840

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyCowlitz
RoofThe main material covering the roof, such as asphalt shingle or tile.Composition Shingle
HeatingThe type of heating system in the home.Electric
FireplaceWhether the home has a fireplace, and what kind.Yes
ViewThe type of view from the property, or another feature of the site that affects value.View - River
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Porch · 116 ft²

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

E
Kessler Elementary SchoolC+
Elementary · Grades KG–5 · 0.2 mi
H
Mark Morris High SchoolB-
High · Grades 9–12 · 1.3 mi
M
Cascade Middle SchoolB-
Middle · Grades 6–8 · 2.0 mi

District: Longview Public Schools

Neighborhood · ZIP 98632These 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.101
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.105
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.176

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.9.2%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.11%
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.52,329
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.390 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$66,959
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$86,888
Average tempThe average temperature here across a full year.51°F
Annual precipHow much rain and melted snow falls here in a typical year.65 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

636 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 less than 77% of homes in Cowlitz County
  • Costs less per square foot than 82% of homes in St. Helens
  • Bigger than 73% of homes in St. Helens
  • Older than 93% of homes in Longview 98632

What homes are worth in Longview 98632

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

This home
$214K$777K

This home is worth more than 26% of homes in Longview 98632.

How it measures up in Longview 98632

The dot is this home. The mark in the middle is the typical home in Longview 98632.

Estimated value$321,574
CheaperTypical $380,919Pricier

Pricier than 26% of homes nearby

Price per ft²$248
CheaperTypical $267Pricier

Pricier than 34% of homes nearby

Living area1,295 ft²
SmallerTypical 1,432 ft²Bigger

Bigger than 39% of homes nearby

Year built1925
OlderTypical 1966Newer

Newer than 7% of homes nearby

How 636 18th Ave ranks against every home in each area.
MeasureThis homeSt. HelensLongview 98632Cowlitz County
Estimated valuepricier than$321,57443% of homes26% of homes23% of homes
Price per ft²pricier than$24818% of homes34% of homes30% of homes
Living areabigger than1,295 ft²73% of homes39% of homes35% of homes
Year builtnewer than192533% of homes7% of homes8% of homes

About 636 18th Ave

How much is 636 18th Ave, Longview, WA worth?

The TopHap Estimate for 636 18th Ave, Longview, WA is $321,574 as of Sep 24, 2026. The likely range is $300,706 to $342,442. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

How big is 636 18th Ave, Longview, WA?

636 18th Ave, Longview, WA has 3 bedrooms, 2 bathrooms and 1,295 square feet of living space.

When was 636 18th Ave, Longview, WA built?

636 18th Ave, Longview, WA was built in 1925, making it 101 years old. The building has 1 story.

What schools serve 636 18th Ave, Longview, WA?

636 18th Ave, Longview, WA is assigned to Kessler Elementary School (elementary), rated C+; Mark Morris High School (high), rated B-; Cascade Middle School (middle), rated B-. All sit in Longview Public Schools. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 636 18th Ave, Longview, WA compare to other homes in Longview 98632?

Among the 17,113 homes in Longview 98632, it is worth more than 26% of them ($321,574 against a typical $380,919), its price per square foot is higher than 34% of them ($248 against a typical $267), it is bigger than 39% of them (1,295 ft² against a typical 1,432 ft²) and it is newer than 7% of them (1925 against a typical 1966). Measured against all of Cowlitz County, it is worth more than 23% 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 636 18th Ave, Longview, WA?

The 2025 property tax bill for 636 18th Ave, Longview, WA was $680. The county assessed it at $349,840.

More homes on 18th Ave

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Assigned schools

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