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Single Family ResidenceResidential
$735,973$391 / 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 91How 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
Last sold for $525,000 on Jun 19, 2020

8430 MASON WAY NW

OLYMPIA, WA 98502
3
Beds
2.5
Baths
1,882 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.
5.09 ac
Lot SizeThe size of the land the home sits on, from county records.
2001
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
3
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$736K
$666K low$806K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$525,000 · Jun 19, 2020

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,975 (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.$665,300 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$248,200
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$417,100
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$641,800
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$665,300

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.
27
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
23
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
CountyTHURSTON
Lot (acres)The size of the land the home sits on, from county records.5.09
ConstructionThe main material the home's frame and walls are built from.Wood (Unspecified)
FoundationWhat the home is built on, such as a concrete slab, a crawl space, or a basement.Concrete
RoofThe main material covering the roof, such as asphalt shingle or tile.Concrete
HeatingThe type of heating system in the home.Heat Pump
CoolingThe type of cooling or air conditioning in the home.Central
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, Detached
PoolWhether the property has a pool, and what kind, such as in-ground.No
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Deck · 128 ft²Patio · 304 ft²Porch · 48 ft²

Transaction History(2)

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
Griffin SchoolA-
Elementary · Grades KG–8 · 6.1 mi
H
Capital High SchoolB+
High · Grades 9–12 · 7.3 mi

District: Griffin School District

Neighborhood · ZIP 98502These 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.126
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.108
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.234

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.94%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.31%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.11%
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.36,607
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.529 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$88,848
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$105,808
Average tempThe average temperature here across a full year.51°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

8430 Mason Way Nw 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 85% of homes in Thurston County
  • Costs more per square foot than 88% of homes in Thurston County
  • Has a bigger lot than 94% of homes in Olympia 98502
  • Newer than 73% of homes in Olympia 98502

What homes are worth in Olympia 98502

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

This home
$294K$1.6M

This home is worth more than 73% of homes in Olympia 98502.

How it measures up in Olympia 98502

The dot is this home. The mark in the middle is the typical home in Olympia 98502.

Estimated value$735,973
CheaperTypical $570,158Pricier

Pricier than 73% of homes nearby

Price per ft²$391
CheaperTypical $318Pricier

Pricier than 76% of homes nearby

Living area1,882 ft²
SmallerTypical 1,884 ft²Bigger

Bigger than 50% of homes nearby

Lot size5.09 ac
SmallerTypical 0.28 acBigger

Bigger than 94% of homes nearby

Year built2001
OlderTypical 1985Newer

Newer than 73% of homes nearby

How 8430 Mason Way Nw ranks against every home in each area.
MeasureThis homeOlympia 98502Thurston County
Estimated valuepricier than$735,97373% of homes85% of homes
Price per ft²pricier than$39176% of homes88% of homes
Living areabigger than1,882 ft²50% of homes58% of homes
Lot sizebigger than5.09 ac94% of homes94% of homes
Year builtnewer than200173% of homes69% of homes

About 8430 Mason Way Nw

How much is 8430 Mason Way Nw, Olympia, WA worth?

The TopHap Estimate for 8430 Mason Way Nw, Olympia, WA is $735,973 as of Sep 24, 2026. The likely range is $666,369 to $805,577. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 8430 Mason Way Nw, Olympia, WA last sell?

8430 Mason Way Nw, Olympia, WA last sold on Jun 19, 2020 for $525,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 8430 Mason Way Nw, Olympia, WA?

8430 Mason Way Nw, Olympia, WA has 3 bedrooms, 2.5 bathrooms, 1,882 square feet of living space and a 5.09-acre lot.

When was 8430 Mason Way Nw, Olympia, WA built?

8430 Mason Way Nw, Olympia, WA was built in 2001, making it 25 years old. The building has 1 story.

What schools serve 8430 Mason Way Nw, Olympia, WA?

8430 Mason Way Nw, Olympia, WA is assigned to Griffin School (elementary), rated A-; Capital High School (high), rated B+. All sit in Griffin School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 8430 Mason Way Nw, Olympia, WA compare to other homes in Olympia 98502?

Among the 11,283 homes in Olympia 98502, it is worth more than 73% of them ($735,973 against a typical $570,158), its price per square foot is higher than 76% of them ($391 against a typical $318), it is bigger than 50% of them (1,882 ft² against a typical 1,884 ft²), its lot is bigger than 94% of them (5.09 ac against a typical 0.28 ac) and it is newer than 73% of them (2001 against a typical 1985). Measured against all of Thurston County, it is worth more than 85% 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 8430 Mason Way Nw, Olympia, WA?

The 2024 property tax bill for 8430 Mason Way Nw, Olympia, WA was $4,975. The county assessed it at $665,300.

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