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Mobile HomeResidential
Last sold for $280,000 on Sep 18, 2020

815 SI TOWN RD

CASTLE ROCK, WA 98611
3
Beds
2
Baths
1,620 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.
4.15 ac
Lot SizeThe size of the land the home sits on, from county records.
1991
Year BuiltThe year the home was originally built, according to county records.

Valuation

Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$280,000 · Sep 18, 2020
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.$282,825
GUILD MORTGAGE CO · recorded Jun 11, 2021

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$786 (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.$321,630 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$87,680
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$233,950
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$308,460
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$321,630

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.14 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%
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.Mobile Home
StyleThe architectural style of the home, such as ranch or colonial.Mobile Home
CountyCowlitz
Lot (acres)The size of the land the home sits on, from county records.4.15
RoofThe main material covering the roof, such as asphalt shingle or tile.Composition Shingle
HeatingThe type of heating system in the home.None

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
Castle Rock Elementary SchoolD+
Elementary · Grades PK–5 · 2.3 mi
M
Castle Rock Middle SchoolC-
Middle · Grades 6–8 · 2.4 mi
H
Castle Rock High SchoolD+
High · Grades 9–12 · 2.5 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

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

815 Si Town 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.

  • Has a bigger lot than 75% of homes in Cowlitz County
  • Newer than 65% of homes in Cowlitz County

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.

Living area1,620 ft²
SmallerTypical 1,563 ft²Bigger

Bigger than 54% of homes nearby

Lot size4.15 ac
SmallerTypical 2.82 acBigger

Bigger than 59% of homes nearby

Year built1991
OlderTypical 1980Newer

Newer than 59% of homes nearby

How 815 Si Town Rd ranks against every home in each area.
MeasureThis homeCastle Rock 98611Cowlitz County
Living areabigger than1,620 ft²54% of homes60% of homes
Lot sizebigger than4.15 ac59% of homes75% of homes
Year builtnewer than199159% of homes65% of homes

About 815 Si Town Rd

When did 815 Si Town Rd, Castle Rock, WA last sell?

815 Si Town Rd, Castle Rock, WA last sold on Sep 18, 2020 for $280,000, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 815 Si Town Rd, Castle Rock, WA?

815 Si Town Rd, Castle Rock, WA has 3 bedrooms, 2 bathrooms, 1,620 square feet of living space and a 4.15-acre lot.

When was 815 Si Town Rd, Castle Rock, WA built?

815 Si Town Rd, Castle Rock, WA was built in 1991, making it 35 years old. It is a mobile home home.

What schools serve 815 Si Town Rd, Castle Rock, WA?

815 Si Town Rd, Castle Rock, WA is assigned to Castle Rock Elementary School (elementary), rated D+; Castle Rock Middle School (middle), rated C-; 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 815 Si Town Rd, Castle Rock, WA compare to other homes in Castle Rock 98611?

Among the 4,447 homes in Castle Rock 98611, it is bigger than 54% of them (1,620 ft² against a typical 1,563 ft²), its lot is bigger than 59% of them (4.15 ac against a typical 2.82 ac) and it is newer than 59% of them (1991 against a typical 1980). These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 815 Si Town Rd, Castle Rock, WA?

The 2025 property tax bill for 815 Si Town Rd, Castle Rock, WA was $786. The county assessed it at $321,630.

Closest homes

More homes in Castle Rock 98611

Assigned schools

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