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Single Family ResidenceResidential
$263,564$358 / 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 87How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Jul 14, 2026
Last sold for $210,000 on Dec 29, 2022

426 C ST SW

CASTLE ROCK, WA 98611
2
Beds
1
Baths
736 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.
1940
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.

Valuation

$264K
$231K low$297K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$210,000 · Dec 29, 2022
Est. Owner EquityRoughly how much of the home's value the owner would keep after paying off known loans. It is our estimate minus the loans still owed.$46,114
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$36,891
Loan-to-ValueHow much is still owed on the home compared to what it is worth. 80% means loans equal 80% of our estimate, so it shifts when the estimate does.87%
1st MortgageA loan still believed to be open on this home, in the order lenders get repaid. The first position is paid back before the second.$203,700
SUMMIT MORTGAGE CORP · recorded Jun 30, 2023
2nd MortgageA loan still believed to be open on this home, in the order lenders get repaid. The first position is paid back before the second.$13,750
WASHINGTON STATE HOUSING FIN COMMISSION

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,030 (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.$249,090 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$23,150
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$225,940
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$239,240
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$249,090

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
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Detached
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Porch · 24 ft²

Transaction History(5)

Sales and refinances filed with the county for this home. Not every transfer is a normal sale, so check the type before comparing prices.

Foreclosure Filings(1)

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

M
Castle Rock Middle SchoolC-
Middle · Grades 6–8 · 0.3 mi
E
Castle Rock Elementary SchoolD+
Elementary · Grades PK–5 · 0.4 mi
H
Castle Rock High SchoolD+
High · Grades 9–12 · 0.7 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%

Ownership

OccupancyWhether the owner appears to live here or somewhere else. It is inferred from the mailing address on record.Owner occupied
Company ownedWhether the owner is a company or trust rather than a person.No

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

426 C St Sw 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 89% of homes in Castle Rock 98611
  • Costs more per square foot than 88% of homes in Cowlitz County
  • Smaller than 96% of homes in Castle Rock 98611
  • Older than 86% 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
$196K$867K

This home is worth more than 11% 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$263,564
CheaperTypical $430,224Pricier

Pricier than 11% of homes nearby

Price per ft²$358
CheaperTypical $268Pricier

Pricier than 86% of homes nearby

Living area736 ft²
SmallerTypical 1,562 ft²Bigger

Bigger than 4% of homes nearby

Year built1940
OlderTypical 1980Newer

Newer than 14% of homes nearby

How 426 C St Sw ranks against every home in each area.
MeasureThis homeCastle Rock 98611Cowlitz County
Estimated valuepricier than$263,56411% of homes17% of homes
Price per ft²pricier than$35886% of homes88% of homes
Living areabigger than736 ft²4% of homes5% of homes
Year builtnewer than194014% of homes17% of homes

About 426 C St Sw

How much is 426 C St Sw, Castle Rock, WA worth?

The TopHap Estimate for 426 C St Sw, Castle Rock, WA is $263,564 as of Jul 14, 2026. The likely range is $230,610 to $296,518. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 426 C St Sw, Castle Rock, WA last sell?

426 C St Sw, Castle Rock, WA last sold on Dec 29, 2022 for $210,000, according to the county's recorded deed. TopHap holds 5 recorded sales for this parcel.

How big is 426 C St Sw, Castle Rock, WA?

426 C St Sw, Castle Rock, WA has 2 bedrooms, 1 bathrooms and 736 square feet of living space.

When was 426 C St Sw, Castle Rock, WA built?

426 C St Sw, Castle Rock, WA was built in 1940, making it 86 years old. The building has 1 story.

What schools serve 426 C St Sw, Castle Rock, WA?

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

How does 426 C St Sw, Castle Rock, WA compare to other homes in Castle Rock 98611?

Among the 4,448 homes in Castle Rock 98611, it is worth more than 11% of them ($263,564 against a typical $430,224), its price per square foot is higher than 86% of them ($358 against a typical $268), it is bigger than 4% of them (736 ft² against a typical 1,562 ft²) and it is newer than 14% of them (1940 against a typical 1980). Measured against all of Cowlitz County, it is worth more than 17% 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 426 C St Sw, Castle Rock, WA?

The 2025 property tax bill for 426 C St Sw, Castle Rock, WA was $2,030. The county assessed it at $249,090.

More homes on C St Sw

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Assigned schools

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