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Single Family ResidenceResidential
$357,866
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 Oct 21, 2026

448 COOPER ST

MATTAWA, WA 99349
0
Baths
2,800 ft²
Lot SizeThe size of the land the home sits on, from county records.

Valuation

$358K
$325K low$390K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$39 (2025)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$2,500 (2025)
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$2,500

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.39
39
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
74
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.
5
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
35
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.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.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
CountyGRANT
Lot (acres)The size of the land the home sits on, from county records.0.06
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.

E
Saddle Mountain Elementary SchoolF
Elementary · Grades 1–3 · 0.2 mi
M
Wahluke Junior High SchoolF
Middle · Grades 6–8 · 0.2 mi
H
Wahluke High SchoolD
High · Grades 9–12 · 0.3 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

448 Cooper St 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 less than 75% of homes in Mattawa 99349
  • Among the smallest lots in Mattawa 99349

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
$176K$1.1M

This home is worth more than 25% 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$357,866
CheaperTypical $498,881Pricier

Pricier than 25% of homes nearby

Lot size2,800 ft²
SmallerTypical 0.25 acBigger

Smaller than almost all homes nearby

How 448 Cooper St ranks against every home in each area.
MeasureThis homeMattawa 99349Grant County
Estimated valuepricier than$357,86625% of homes51% of homes
Lot sizebigger than2,800 ft²almost no homes3% of homes

About 448 Cooper St

How much is 448 Cooper St, Mattawa, WA worth?

The TopHap Estimate for 448 Cooper St, Mattawa, WA is $357,866 as of Oct 21, 2026. The likely range is $325,455 to $390,277. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 448 Cooper St, Mattawa, WA last sell?

448 Cooper St, Mattawa, WA last sold on Jan 1, 1900, according to the county's recorded deed.

What schools serve 448 Cooper St, Mattawa, WA?

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

How does 448 Cooper St, Mattawa, WA compare to other homes in Mattawa 99349?

Among the 1,993 homes in Mattawa 99349, it is worth more than 25% of them ($357,866 against a typical $498,881) and its lot is bigger than almost none of them (2,800 ft² against a typical 0.25 ac). Measured against all of Grant County, it is worth more than 51% 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 448 Cooper St, Mattawa, WA?

The 2025 property tax bill for 448 Cooper St, Mattawa, WA was $39. The county assessed it at $2,500.

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Assigned schools

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