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Mobile HomeResidential

18245 IRWIN ST SW

ROCHESTER, WA 98579
0
Baths
1,056 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.
2.4 ac
Lot SizeThe size of the land the home sits on, from county records.
1974
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$93 (2026)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$266,500 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$191,300
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$75,200
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$250,800
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$266,500

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Mobile Home
CountyThurston
Lot (acres)The size of the land the home sits on, from county records.2.40
ConstructionThe main material the home's frame and walls are built from.Wood Frame
FoundationWhat the home is built on, such as a concrete slab, a crawl space, or a basement.Block (Unspecified)
RoofThe main material covering the roof, such as asphalt shingle or tile.Metal
HeatingThe type of heating system in the home.Forced Air
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.Shed · 864 ft²Porch · 784 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.

M
Rochester Middle SchoolB
Middle · Grades 6–8 · 1.7 mi
H
Rochester High SchoolC
High · Grades 9–12 · 1.8 mi
E
Rochester Primary School
Elementary · Grades PK–2 · 2.0 mi

District: Rochester School District

Neighborhood · ZIP 98579These 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.81
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.110
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.201

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.14%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.8.3%
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.12,480
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.138 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$88,547
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$104,823
Average tempThe average temperature here across a full year.50°F
Annual precipHow much rain and melted snow falls here in a typical year.56 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

18245 Irwin 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.

  • Smaller than 90% of homes in Thurston County
  • Has a bigger lot than 85% of homes in Thurston County
  • Older than 83% of homes in Rochester 98579

How it measures up in Rochester 98579

The dot is this home. The mark in the middle is the typical home in Rochester 98579.

Living area1,056 ft²
SmallerTypical 1,556 ft²Bigger

Bigger than 15% of homes nearby

Lot size2.4 ac
SmallerTypical 1.2 acBigger

Bigger than 69% of homes nearby

Year built1974
OlderTypical 1994Newer

Newer than 17% of homes nearby

How 18245 Irwin St Sw ranks against every home in each area.
MeasureThis homeRochester 98579Thurston County
Living areabigger than1,056 ft²15% of homes10% of homes
Lot sizebigger than2.4 ac69% of homes85% of homes
Year builtnewer than197417% of homes25% of homes

About 18245 Irwin St Sw

How big is 18245 Irwin St Sw, Rochester, WA?

18245 Irwin St Sw, Rochester, WA has 1,056 square feet of living space and a 2.40-acre lot.

When was 18245 Irwin St Sw, Rochester, WA built?

18245 Irwin St Sw, Rochester, WA was built in 1974, making it 52 years old. The building has 1 story.

What schools serve 18245 Irwin St Sw, Rochester, WA?

18245 Irwin St Sw, Rochester, WA is assigned to Rochester Middle School (middle), rated B; Rochester High School (high), rated C; Rochester Primary School (elementary). All sit in Rochester School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 18245 Irwin St Sw, Rochester, WA compare to other homes in Rochester 98579?

Among the 5,059 homes in Rochester 98579, it is bigger than 15% of them (1,056 ft² against a typical 1,556 ft²), its lot is bigger than 69% of them (2.4 ac against a typical 1.2 ac) and it is newer than 17% of them (1974 against a typical 1994). These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 18245 Irwin St Sw, Rochester, WA?

The 2026 property tax bill for 18245 Irwin St Sw, Rochester, WA was $93. The county assessed it at $266,500.

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