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Single Family ResidenceResidential
$645,819$410 / 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 88How 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
Last sold for $740,000 on Jul 30, 2021

18420 E STATE ROUTE 3

ALLYN, WA 98524
3
Beds
2
Baths
1,577 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.
0.23 ac
Lot SizeThe size of the land the home sits on, from county records.
1977
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
1
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$646K
$569K low$723K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$740,000 · Jul 30, 2021
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.$97,569
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$78,055
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.90%
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.$548,250
HOME POINT FINANCIAL CORPORATION · recorded Jul 30, 2021

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$5,406 (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.$695,045 (2024)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$201,205
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$493,840
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$695,045
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$695,045

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.51
75
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
21
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
40
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
99
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
23
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.
Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.21 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.Single Family Residence
CountyMason
Lot (acres)The size of the land the home sits on, from county records.0.23
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.Composition Shingle
HeatingThe type of heating system in the home.Forced Air
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Deck · 176 ft²Patio · 495 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.

H
North Mason High SchoolC-
High · Grades 9–12 · 2.2 mi
M
Hawkins Middle SchoolC-
Middle · Grades 6–8 · 2.3 mi
E
Belfair Elementary SchoolC
Elementary · Grades PK–5 · 3.9 mi

District: North Mason School District

Neighborhood · ZIP 98524These 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.151
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.107
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.255

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.85%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.13%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.6.9%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.1%
PopulationHow many people live in this area.3,309
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.204 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$114,510
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$120,714
Average tempThe average temperature here across a full year.51°F
Annual precipHow much rain and melted snow falls here in a typical year.54 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.33%

Ownership

OccupancyWhether the owner appears to live here or somewhere else. It is inferred from the mailing address on record.Absentee owner
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

18420 E State Route 3 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 Mason County
  • Costs more per square foot than 79% of homes in Mason County
  • Has a smaller lot than 85% of homes in Allyn 98524
  • Older than 76% of homes in Allyn 98524

What homes are worth in Allyn 98524

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

This home
$169K$1.4M

This home is worth more than 75% of homes in Allyn 98524.

How it measures up in Allyn 98524

The dot is this home. The mark in the middle is the typical home in Allyn 98524.

Estimated value$645,819
CheaperTypical $494,643Pricier

Pricier than 75% of homes nearby

Price per ft²$410
CheaperTypical $306Pricier

Pricier than 76% of homes nearby

Living area1,577 ft²
SmallerTypical 1,632 ft²Bigger

Bigger than 45% of homes nearby

Lot size0.23 ac
SmallerTypical 0.33 acBigger

Bigger than 15% of homes nearby

Year built1977
OlderTypical 1994Newer

Newer than 24% of homes nearby

How 18420 E State Route 3 ranks against every home in each area.
MeasureThis homeAllyn 98524Mason County
Estimated valuepricier than$645,81975% of homes81% of homes
Price per ft²pricier than$41076% of homes79% of homes
Living areabigger than1,577 ft²45% of homes62% of homes
Lot sizebigger than0.23 ac15% of homes24% of homes
Year builtnewer than197724% of homes33% of homes

About 18420 E State Route 3

How much is 18420 E State Route 3, Allyn, WA worth?

The TopHap Estimate for 18420 E State Route 3, Allyn, WA is $645,819 as of Jul 14, 2026. The likely range is $569,104 to $722,534. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 18420 E State Route 3, Allyn, WA last sell?

18420 E State Route 3, Allyn, WA last sold on Jul 30, 2021 for $740,000, according to the county's recorded deed.

How big is 18420 E State Route 3, Allyn, WA?

18420 E State Route 3, Allyn, WA has 3 bedrooms, 2 bathrooms, 1,577 square feet of living space and a 0.23-acre lot.

When was 18420 E State Route 3, Allyn, WA built?

18420 E State Route 3, Allyn, WA was built in 1977, making it 49 years old. The building has 1 story.

What schools serve 18420 E State Route 3, Allyn, WA?

18420 E State Route 3, Allyn, WA is assigned to North Mason High School (high), rated C-; Hawkins Middle School (middle), rated C-; Belfair Elementary School (elementary), rated C. All sit in North Mason School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 18420 E State Route 3, Allyn, WA compare to other homes in Allyn 98524?

Among the 1,921 homes in Allyn 98524, it is worth more than 75% of them ($645,819 against a typical $494,643), its price per square foot is higher than 76% of them ($410 against a typical $306), it is bigger than 45% of them (1,577 ft² against a typical 1,632 ft²), its lot is bigger than 15% of them (0.23 ac against a typical 0.33 ac) and it is newer than 24% of them (1977 against a typical 1994). Measured against all of Mason 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 18420 E State Route 3, Allyn, WA?

The 2024 property tax bill for 18420 E State Route 3, Allyn, WA was $5,406. The county assessed it at $695,045.

Closest homes

More homes in Allyn 98524

Assigned schools

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