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Single Family ResidenceResidential
$550,468$328 / 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 Sep 24, 2026

110 GASSMAN RD

CASTLE ROCK, WA 98611
3
Beds
2
Baths
1,680 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.
1.36 ac
Lot SizeThe size of the land the home sits on, from county records.
1992
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
5
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$550K
$506K low$594K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,271 (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.$522,350 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$64,270
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$458,080
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$510,310
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$522,350

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.1.36
RoofThe main material covering the roof, such as asphalt shingle or tile.Composition Shingle
HeatingThe type of heating system in the home.Heat Pump
CoolingThe type of cooling or air conditioning in the home.Yes
GarageWhether the property has a garage, and details like whether it is attached to the home.Mixed
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Porch · 100 ft²

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 · 0.7 mi
M
Castle Rock Middle SchoolD-
Middle · Grades 6–8 · 1.6 mi
E
Castle Rock Elementary SchoolD+
Elementary · Grades PK–5 · 1.7 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%

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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

110 Gassman 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 78% of homes in Cowlitz County
  • Costs more per square foot than 78% of homes in Cowlitz County
  • Has a smaller lot than 72% of homes in Castle Rock 98611
  • Newer than 66% of homes in Cowlitz County

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
$221K$891K

This home is worth more than 66% 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$550,468
CheaperTypical $467,832Pricier

Pricier than 66% of homes nearby

Price per ft²$328
CheaperTypical $287Pricier

Pricier than 73% of homes nearby

Living area1,680 ft²
SmallerTypical 1,586 ft²Bigger

Bigger than 56% of homes nearby

Lot size1.36 ac
SmallerTypical 2.58 acBigger

Bigger than 28% of homes nearby

Year built1992
OlderTypical 1980Newer

Newer than 61% of homes nearby

How 110 Gassman Rd ranks against every home in each area.
MeasureThis homeCastle Rock 98611Cowlitz County
Estimated valuepricier than$550,46866% of homes78% of homes
Price per ft²pricier than$32873% of homes78% of homes
Living areabigger than1,680 ft²56% of homes60% of homes
Lot sizebigger than1.36 ac28% of homes56% of homes
Year builtnewer than199261% of homes66% of homes

About 110 Gassman Rd

How much is 110 Gassman Rd, Castle Rock, WA worth?

The TopHap Estimate for 110 Gassman Rd, Castle Rock, WA is $550,468 as of Sep 24, 2026. The likely range is $506,457 to $594,479. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

How big is 110 Gassman Rd, Castle Rock, WA?

110 Gassman Rd, Castle Rock, WA has 3 bedrooms, 2 bathrooms, 1,680 square feet of living space and a 1.36-acre lot.

When was 110 Gassman Rd, Castle Rock, WA built?

110 Gassman Rd, Castle Rock, WA was built in 1992, making it 34 years old. The building has 1 story.

What schools serve 110 Gassman Rd, Castle Rock, WA?

110 Gassman 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 110 Gassman Rd, Castle Rock, WA compare to other homes in Castle Rock 98611?

Among the 4,434 homes in Castle Rock 98611, it is worth more than 66% of them ($550,468 against a typical $467,832), its price per square foot is higher than 73% of them ($328 against a typical $287), it is bigger than 56% of them (1,680 ft² against a typical 1,586 ft²), its lot is bigger than 28% of them (1.36 ac against a typical 2.58 ac) and it is newer than 61% of them (1992 against a typical 1980). Measured against all of Cowlitz County, it is worth more than 78% 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 110 Gassman Rd, Castle Rock, WA?

The 2025 property tax bill for 110 Gassman Rd, Castle Rock, WA was $4,271. The county assessed it at $522,350.

More homes on Gassman Rd

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Assigned schools

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