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Single Family ResidenceResidential
$521,319$253 / 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 93How 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

4270 STATE ROUTE 508

ONALASKA, WA 98570
1
Baths
2,064 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.
21 ac
Lot SizeThe size of the land the home sits on, from county records.
1925
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$521K
$485K low$558K high
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.$446,319
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$357,055
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.10%
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.$75,000
KEY BANK NA · recorded Oct 12, 2007

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,381 (2024)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$674,000 (2024)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$248,400
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$425,600
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$674,000

Climate Risk

Overall riskThe average of the five hazard scores below, on a 0 to 100 scale. Higher means greater projected risk over the coming decades.10
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
31
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
19
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.
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.Single Family Residence
StyleThe architectural style of the home, such as ranch or colonial.Conventional
CountyLewis
Effective Year BuiltAn adjusted build year that accounts for condition and major remodels. A big renovation can make a home count as newer than it is.1966
Lot (acres)The size of the land the home sits on, from county records.21.00
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.Asphalt
HeatingThe type of heating system in the home.Space
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.Carport (Unspecified)
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Shed · 1,440 ft²Porch · 48 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.

H
Onalaska High SchoolC+
High · Grades 9–12 · 11.1 mi
M
Onalaska Middle SchoolC+
Middle · Grades 6–8 · 11.1 mi
E
Onalaska Elementary SchoolC-
Elementary · Grades PK–5 · 11.2 mi

District: Onalaska School District

Neighborhood · ZIP 98570These 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.94
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.106
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.194

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.7.8%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.6.7%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.6%
PopulationHow many people live in this area.4,587
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.42 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$75,000
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$82,633
Average tempThe average temperature here across a full year.49°F
Annual precipHow much rain and melted snow falls here in a typical year.63 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.Yes

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

4270 State Route 508 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 81% of homes in Lewis County
  • Bigger than 85% of homes in Onalaska 98570
  • Has a bigger lot than 98% of homes in Lewis County
  • Older than 90% of homes in Onalaska 98570

What homes are worth in Onalaska 98570

Each bar is how many homes fall in that price range. The marker is this home.

This home
$97K$843K

This home is worth more than 76% of homes in Onalaska 98570.

How it measures up in Onalaska 98570

The dot is this home. The mark in the middle is the typical home in Onalaska 98570.

Estimated value$521,319
CheaperTypical $389,882Pricier

Pricier than 76% of homes nearby

Price per ft²$253
CheaperTypical $266Pricier

Pricier than 42% of homes nearby

Living area2,064 ft²
SmallerTypical 1,456 ft²Bigger

Bigger than 85% of homes nearby

Lot size21 ac
SmallerTypical 4.85 acBigger

Bigger than 97% of homes nearby

Year built1925
OlderTypical 1984Newer

Newer than 10% of homes nearby

How 4270 State Route 508 ranks against every home in each area.
MeasureThis homeOnalaska 98570Lewis County
Estimated valuepricier than$521,31976% of homes81% of homes
Price per ft²pricier than$25342% of homes44% of homes
Living areabigger than2,064 ft²85% of homes83% of homes
Lot sizebigger than21 ac97% of homes98% of homes
Year builtnewer than192510% of homes15% of homes

About 4270 State Route 508

How much is 4270 State Route 508, Onalaska, WA worth?

The TopHap Estimate for 4270 State Route 508, Onalaska, WA is $521,319 as of Jul 14, 2026. The likely range is $484,574 to $558,064. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

How big is 4270 State Route 508, Onalaska, WA?

4270 State Route 508, Onalaska, WA has 1 bathrooms, 2,064 square feet of living space and a 21.00-acre lot.

When was 4270 State Route 508, Onalaska, WA built?

4270 State Route 508, Onalaska, WA was built in 1925, making it 101 years old. It is a conventional home. The building has 2 stories.

What schools serve 4270 State Route 508, Onalaska, WA?

4270 State Route 508, Onalaska, WA is assigned to Onalaska High School (high), rated C+; Onalaska Middle School (middle), rated C+; Onalaska Elementary School (elementary), rated C-. All sit in Onalaska School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 4270 State Route 508, Onalaska, WA compare to other homes in Onalaska 98570?

Among the 2,058 homes in Onalaska 98570, it is worth more than 76% of them ($521,319 against a typical $389,882), its price per square foot is higher than 42% of them ($253 against a typical $266), it is bigger than 85% of them (2,064 ft² against a typical 1,456 ft²), its lot is bigger than 97% of them (21 ac against a typical 4.85 ac) and it is newer than 10% of them (1925 against a typical 1984). Measured against all of Lewis County, it is worth more than 81% 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 4270 State Route 508, Onalaska, WA?

The 2024 property tax bill for 4270 State Route 508, Onalaska, WA was $4,381. The county assessed it at $674,000.

Closest homes

More homes in Onalaska 98570

Assigned schools

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