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Single Family ResidenceResidential
$330,000$304 / 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 96How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Aug 30, 2026
Last sold for $96,572 on Mar 22, 2006

511 20TH AVE

LONGVIEW, WA 98632
3
Beds
1
Baths
1,084 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.
0.14 ac
Lot SizeThe size of the land the home sits on, from county records.
1947
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

$330K
$318K low$342K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$96,572 · Mar 22, 2006

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,452 (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.$304,210 (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.$269,450
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$282,590
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$304,210

Climate Risk

Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.6 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.6%
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
CountyCOWLITZ
Lot (acres)The size of the land the home sits on, from county records.0.14
RoofThe main material covering the roof, such as asphalt shingle or tile.Composition Shingle
HeatingThe type of heating system in the home.Electric
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

Transaction History(4)

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 SchoolC+
Elementary · Grades KG–5 · 0.4 mi
M
Monticello Middle SchoolB+
Middle · Grades 6–8 · 0.9 mi
H
R.A. Long High SchoolC
High · Grades 9–12 · 1.0 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

511 20th 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 81% of homes in St. Helens
  • Costs more per square foot than 84% of homes in Longview 98632
  • Smaller than 78% of homes in Cowlitz County
  • Has a smaller lot than 97% of homes in St. Helens
  • Older than 78% of homes in Cowlitz County

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
$159K$679K

This home is worth more than 48% 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$330,000
CheaperTypical $335,599Pricier

Pricier than 48% of homes nearby

Price per ft²$304
CheaperTypical $234Pricier

Pricier than 84% of homes nearby

Living area1,084 ft²
SmallerTypical 1,426 ft²Bigger

Bigger than 25% of homes nearby

Lot size0.14 ac
SmallerTypical 0.5 acBigger

Bigger than 6% of homes nearby

Year built1947
OlderTypical 1966Newer

Newer than 25% of homes nearby

How 511 20th Ave ranks against every home in each area.
MeasureThis homeSt. HelensLongview 98632Cowlitz County
Estimated valuepricier than$330,00081% of homes48% of homes40% of homes
Price per ft²pricier than$30480% of homes84% of homes80% of homes
Living areabigger than1,084 ft²54% of homes25% of homes22% of homes
Lot sizebigger than0.14 ac3% of homes6% of homes7% of homes
Year builtnewer than194767% of homes25% of homes22% of homes

About 511 20th Ave

How much is 511 20th Ave, Longview, WA worth?

The TopHap Estimate for 511 20th Ave, Longview, WA is $330,000 as of Aug 30, 2026. The likely range is $317,536 to $342,464. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 511 20th Ave, Longview, WA last sell?

511 20th Ave, Longview, WA last sold on Mar 22, 2006 for $96,572, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 511 20th Ave, Longview, WA?

511 20th Ave, Longview, WA has 3 bedrooms, 1 bathrooms, 1,084 square feet of living space and a 0.14-acre lot.

When was 511 20th Ave, Longview, WA built?

511 20th Ave, Longview, WA was built in 1947, making it 79 years old. The building has 1 story.

What schools serve 511 20th Ave, Longview, WA?

511 20th Ave, Longview, WA is assigned to Kessler Elementary School (elementary), rated C+; Monticello Middle School (middle), rated B+; R.A. Long High School (high), rated C. All sit in Longview Public Schools. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 511 20th Ave, Longview, WA compare to other homes in Longview 98632?

Among the 17,123 homes in Longview 98632, it is worth more than 48% of them ($330,000 against a typical $335,599), its price per square foot is higher than 84% of them ($304 against a typical $234), it is bigger than 25% of them (1,084 ft² against a typical 1,426 ft²), its lot is bigger than 6% of them (0.14 ac against a typical 0.5 ac) and it is newer than 25% of them (1947 against a typical 1966). Measured against all of Cowlitz County, it is worth more than 40% 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 511 20th Ave, Longview, WA?

The 2025 property tax bill for 511 20th Ave, Longview, WA was $2,452. The county assessed it at $304,210.

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