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Single Family ResidentialResidential
$607,342$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 94How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Aug 30, 2026

24478 ROAD H SW

MATTAWA, WA 99349
0
Baths
2,400 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.
6.1 ac
Lot SizeThe size of the land the home sits on, from county records.
2002
Year BuiltThe year the home was originally built, according to county records.

Valuation

$607K
$570K low$645K high

Tax & Assessment

Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$95,925 (2024)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$51,450
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$44,475
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$95,925
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$95,925

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.33
45
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
47
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
45
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
6
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
24
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.8 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.34%
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 Residential
StyleThe architectural style of the home, such as ranch or colonial.Gambrel
CountyGrant
Lot (acres)The size of the land the home sits on, from county records.6.10
HeatingThe type of heating system in the home.None
PoolWhether the property has a pool, and what kind, such as in-ground.No

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

H
Wahluke High SchoolD+
High · Grades 9–12 · 10.8 mi
M
Wahluke Junior High SchoolC-
Middle · Grades 6–8 · 10.9 mi
E
Saddle Mountain Elementary SchoolF
Elementary · Grades 1–3 · 11.0 mi

District: Wahluke School District

Neighborhood · ZIP 99349These 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.86
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.109
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.90

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.12%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.17%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.2.1%
PopulationHow many people live in this area.8,354
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.25 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$63,897
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$85,776
Average tempThe average temperature here across a full year.52°F
Annual precipHow much rain and melted snow falls here in a typical year.8 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.54%

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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

24478 Road H 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.

  • Worth more than 90% of homes in Grant County
  • Costs more per square foot than 71% of homes in Grant County
  • Bigger than 90% of homes in Mattawa 99349
  • Has a bigger lot than 93% of homes in Mattawa 99349
  • Newer than 73% of homes in Grant County

What homes are worth in Mattawa 99349

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

This home
$147K$1.1M

This home is worth more than 78% of homes in Mattawa 99349.

How it measures up in Mattawa 99349

The dot is this home. The mark in the middle is the typical home in Mattawa 99349.

Estimated value$607,342
CheaperTypical $428,400Pricier

Pricier than 78% of homes nearby

Price per ft²$253
CheaperTypical $267Pricier

Pricier than 45% of homes nearby

Living area2,400 ft²
SmallerTypical 1,440 ft²Bigger

Bigger than 90% of homes nearby

Lot size6.1 ac
SmallerTypical 0.26 acBigger

Bigger than 93% of homes nearby

Year built2002
OlderTypical 1998Newer

Newer than 66% of homes nearby

How 24478 Road H Sw ranks against every home in each area.
MeasureThis homeMattawa 99349Grant County
Estimated valuepricier than$607,34278% of homes90% of homes
Price per ft²pricier than$25345% of homes71% of homes
Living areabigger than2,400 ft²90% of homes86% of homes
Lot sizebigger than6.1 ac93% of homes92% of homes
Year builtnewer than200266% of homes73% of homes

About 24478 Road H Sw

How much is 24478 Road H Sw, Mattawa, WA worth?

The TopHap Estimate for 24478 Road H Sw, Mattawa, WA is $607,342 as of Aug 30, 2026. The likely range is $569,529 to $645,155. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 24478 Road H Sw, Mattawa, WA last sell?

24478 Road H Sw, Mattawa, WA last sold on Jan 2, 2020, according to the county's recorded deed.

How big is 24478 Road H Sw, Mattawa, WA?

24478 Road H Sw, Mattawa, WA has 2,400 square feet of living space and a 6.10-acre lot.

When was 24478 Road H Sw, Mattawa, WA built?

24478 Road H Sw, Mattawa, WA was built in 2002, making it 24 years old. It is a gambrel home.

What schools serve 24478 Road H Sw, Mattawa, WA?

24478 Road H Sw, Mattawa, WA is assigned to Wahluke High School (high), rated D+; Wahluke Junior High School (middle), rated C-; Saddle Mountain Elementary School (elementary), rated F. All sit in Wahluke School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 24478 Road H Sw, Mattawa, WA compare to other homes in Mattawa 99349?

Among the 1,968 homes in Mattawa 99349, it is worth more than 78% of them ($607,342 against a typical $428,400), its price per square foot is higher than 45% of them ($253 against a typical $267), it is bigger than 90% of them (2,400 ft² against a typical 1,440 ft²), its lot is bigger than 93% of them (6.1 ac against a typical 0.26 ac) and it is newer than 66% of them (2002 against a typical 1998). Measured against all of Grant County, it is worth more than 90% of homes there. These shares are recounted nightly from the full county assessor record for each area, not from active listings.

More homes on Road H Sw

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