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Single Family ResidenceResidential
$640,531$103 / 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 $6,750 on Jun 5, 2023

645 15TH AVE

LONGVIEW, WA 98632
7
Beds
6.5
Baths
6,248 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.
0.24 ac
Lot SizeThe size of the land the home sits on, from county records.
1924
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$641K
$619K low$662K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$6,750 · Jun 5, 2023

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$6,940 (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.$794,790 (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.$760,030
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$802,750
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$794,790

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyCOWLITZ
Effective Year BuiltAn adjusted build year that accounts for condition and major remodels. A big renovation can make a home count as newer than it is.1992
Lot (acres)The size of the land the home sits on, from county records.0.24
RoofThe main material covering the roof, such as asphalt shingle or tile.Metal
HeatingThe type of heating system in the home.Heat Pump
CoolingThe type of cooling or air conditioning in the home.Yes
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, Attached
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.Porch · 168 ft²

Transaction History(8)

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
Kessler Elementary SchoolD-
Elementary · Grades KG–5 · 0.3 mi
H
Mark Morris High SchoolC
High · Grades 9–12 · 1.3 mi
M
Cascade Middle SchoolD+
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

645 15th 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.

  • Among the most valuable homes in St. Helens
  • Among the lowest price per square foot in St. Helens
  • Among the largest homes in St. Helens
  • Among the largest lots in St. Helens
  • Older than 97% 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$771K

This home is worth more than 95% 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$640,531
CheaperTypical $381,433Pricier

Pricier than 95% of homes nearby

Price per ft²$103
CheaperTypical $265Pricier

Cheaper than almost all homes nearby

Living area6,248 ft²
SmallerTypical 1,448 ft²Bigger

Bigger than almost all homes nearby

Lot size0.24 ac
SmallerTypical 0.34 acBigger

Bigger than 40% of homes nearby

Year built1924
OlderTypical 1966Newer

Newer than 3% of homes nearby

How 645 15th Ave ranks against every home in each area.
MeasureThis homeSt. HelensLongview 98632Cowlitz County
Estimated valuepricier than$640,531almost all homes95% of homes87% of homes
Price per ft²pricier than$103almost no homesalmost no homesalmost no homes
Living areabigger than6,248 ft²almost all homesalmost all homesalmost all homes
Lot sizebigger than0.24 acalmost all homes40% of homes28% of homes
Year builtnewer than192418% of homes3% of homes5% of homes

About 645 15th Ave

How much is 645 15th Ave, Longview, WA worth?

The TopHap Estimate for 645 15th Ave, Longview, WA is $640,531 as of Sep 24, 2026. The likely range is $619,029 to $662,033. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 645 15th Ave, Longview, WA last sell?

645 15th Ave, Longview, WA last sold on Jun 5, 2023 for $6,750, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 645 15th Ave, Longview, WA?

645 15th Ave, Longview, WA has 7 bedrooms, 6.5 bathrooms, 6,248 square feet of living space and a 0.24-acre lot.

When was 645 15th Ave, Longview, WA built?

645 15th Ave, Longview, WA was built in 1924, making it 102 years old. The building has 2 stories.

What schools serve 645 15th Ave, Longview, WA?

645 15th Ave, Longview, WA is assigned to Kessler Elementary School (elementary), rated D-; Mark Morris High School (high), rated C; Cascade Middle School (middle), rated D+. All sit in Longview Public Schools. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 645 15th Ave, Longview, WA compare to other homes in Longview 98632?

Among the 17,095 homes in Longview 98632, it is worth more than 95% of them ($640,531 against a typical $381,433), its price per square foot is higher than almost none of them ($103 against a typical $265), it is bigger than almost all of them (6,248 ft² against a typical 1,448 ft²), its lot is bigger than 40% of them (0.24 ac against a typical 0.34 ac) and it is newer than 3% of them (1924 against a typical 1966). Measured against all of Cowlitz County, it is worth more than 87% 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 645 15th Ave, Longview, WA?

The 2025 property tax bill for 645 15th Ave, Longview, WA was $6,940. The county assessed it at $794,790.

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