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Single Family ResidenceResidential
$467,565$439 / 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 92How 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
Last sold for $8,000 on Sep 17, 2024

599 CHAPMAN RD

CASTLE ROCK, WA 98611
3
Beds
2
Baths
1,064 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.
1 ac
Lot SizeThe size of the land the home sits on, from county records.
1970
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.

Valuation

$468K
$431K low$505K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$8,000 · Sep 17, 2024

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,084 (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.$357,260 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$81,340
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$275,920
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$367,040
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$357,260

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.28
99
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
22
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
19
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.34%
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.1 percent flood zone

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.1.00
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
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Porch · 488 ft²

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.

H
Castle Rock High SchoolC-
High · Grades 9–12 · 1.7 mi
M
Castle Rock Middle SchoolD-
Middle · Grades 6–8 · 2.5 mi
E
Castle Rock Elementary SchoolD+
Elementary · Grades PK–5 · 2.6 mi

District: Castle Rock School District

Neighborhood · ZIP 98611These 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.85
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.104
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.172

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.12%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.7.0%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.2%
PopulationHow many people live in this area.10,313
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.84 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$81,330
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$96,543
Average tempThe average temperature here across a full year.50°F
Annual precipHow much rain and melted snow falls here in a typical year.61 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

599 Chapman Rd 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 65% of homes in Cowlitz County
  • Costs more per square foot than 97% of homes in Cowlitz County
  • Smaller than 83% of homes in Castle Rock 98611
  • Has a smaller lot than 72% of homes in Castle Rock 98611
  • Older than 68% of homes in Castle Rock 98611

What homes are worth in Castle Rock 98611

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

This home
$236K$936K

This home is worth more than 49% of homes in Castle Rock 98611.

How it measures up in Castle Rock 98611

The dot is this home. The mark in the middle is the typical home in Castle Rock 98611.

Estimated value$467,565
CheaperTypical $470,740Pricier

Pricier than 49% of homes nearby

Price per ft²$439
CheaperTypical $291Pricier

Pricier than 96% of homes nearby

Living area1,064 ft²
SmallerTypical 1,593 ft²Bigger

Bigger than 17% of homes nearby

Lot size1 ac
SmallerTypical 2.44 acBigger

Bigger than 28% of homes nearby

Year built1970
OlderTypical 1980Newer

Newer than 32% of homes nearby

How 599 Chapman Rd ranks against every home in each area.
MeasureThis homeCastle Rock 98611Cowlitz County
Estimated valuepricier than$467,56549% of homes65% of homes
Price per ft²pricier than$43996% of homes97% of homes
Living areabigger than1,064 ft²17% of homes20% of homes
Lot sizebigger than1 ac28% of homes57% of homes
Year builtnewer than197032% of homes43% of homes

About 599 Chapman Rd

How much is 599 Chapman Rd, Castle Rock, WA worth?

The TopHap Estimate for 599 Chapman Rd, Castle Rock, WA is $467,565 as of Oct 21, 2026. The likely range is $430,618 to $504,512. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 599 Chapman Rd, Castle Rock, WA last sell?

599 Chapman Rd, Castle Rock, WA last sold on Sep 17, 2024 for $8,000, according to the county's recorded deed.

How big is 599 Chapman Rd, Castle Rock, WA?

599 Chapman Rd, Castle Rock, WA has 3 bedrooms, 2 bathrooms, 1,064 square feet of living space and a 1.00-acre lot.

When was 599 Chapman Rd, Castle Rock, WA built?

599 Chapman Rd, Castle Rock, WA was built in 1970, making it 56 years old. The building has 1 story.

What schools serve 599 Chapman Rd, Castle Rock, WA?

599 Chapman Rd, Castle Rock, WA is assigned to Castle Rock High School (high), rated C-; Castle Rock Middle School (middle), rated D-; Castle Rock Elementary School (elementary), rated D+. All sit in Castle Rock School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 599 Chapman Rd, Castle Rock, WA compare to other homes in Castle Rock 98611?

Among the 4,409 homes in Castle Rock 98611, it is worth more than 49% of them ($467,565 against a typical $470,740), its price per square foot is higher than 96% of them ($439 against a typical $291), it is bigger than 17% of them (1,064 ft² against a typical 1,593 ft²), its lot is bigger than 28% of them (1 ac against a typical 2.44 ac) and it is newer than 32% of them (1970 against a typical 1980). Measured against all of Cowlitz County, it is worth more than 65% 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 599 Chapman Rd, Castle Rock, WA?

The 2025 property tax bill for 599 Chapman Rd, Castle Rock, WA was $3,084. The county assessed it at $357,260.

More homes on Chapman Rd

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