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Mobile HomeResidential

17840 IRWIN ST SW

ROCHESTER, WA 98579
0
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.
5 ac
Lot SizeThe size of the land the home sits on, from county records.
1997
Year BuiltThe year the home was originally built, according to county records.

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$176 (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.$511,500 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$220,200
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$291,300
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$468,900
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$511,500

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.93 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.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.Mobile Home
CountyThurston
Lot (acres)The size of the land the home sits on, from county records.5.00
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.Composition Shingle
HeatingThe type of heating system in the home.Forced Air
FireplaceWhether the home has a fireplace, and what kind.Yes
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Attached
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Porch · 72 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 · 1.9 mi
H
Rochester High SchoolC
High · Grades 9–12 · 2.0 mi
E
Rochester Primary School
Elementary · Grades PK–2 · 2.3 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

17840 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.

  • Has a bigger lot than 93% of homes in Thurston County

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 area1,620 ft²
SmallerTypical 1,554 ft²Bigger

Bigger than 55% of homes nearby

Lot size5 ac
SmallerTypical 1.2 acBigger

Bigger than 82% of homes nearby

Year built1997
OlderTypical 1995Newer

Newer than 59% of homes nearby

How 17840 Irwin St Sw ranks against every home in each area.
MeasureThis homeRochester 98579Thurston County
Living areabigger than1,620 ft²55% of homes42% of homes
Lot sizebigger than5 ac82% of homes93% of homes
Year builtnewer than199759% of homes62% of homes

About 17840 Irwin St Sw

How big is 17840 Irwin St Sw, Rochester, WA?

17840 Irwin St Sw, Rochester, WA has 1,620 square feet of living space and a 5.00-acre lot.

When was 17840 Irwin St Sw, Rochester, WA built?

17840 Irwin St Sw, Rochester, WA was built in 1997, making it 29 years old.

What schools serve 17840 Irwin St Sw, Rochester, WA?

17840 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 17840 Irwin St Sw, Rochester, WA compare to other homes in Rochester 98579?

Among the 5,057 homes in Rochester 98579, it is bigger than 55% of them (1,620 ft² against a typical 1,554 ft²), its lot is bigger than 82% of them (5 ac against a typical 1.2 ac) and it is newer than 59% of them (1997 against a typical 1995). These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 17840 Irwin St Sw, Rochester, WA?

The 2026 property tax bill for 17840 Irwin St Sw, Rochester, WA was $176. The county assessed it at $511,500.

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