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Single Family ResidenceResidential
$287,400$202 / 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 74How 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

231 15TH AVE SW

EPHRATA, WA 98823
3
Beds
1
Baths
1,422 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.
0.14 ac
Lot SizeThe size of the land the home sits on, from county records.
1953
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
7
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$287K
$213K low$362K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,205 (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.$210,332 (2025)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$201,269
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$210,332

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.65
93
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
85
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.
99
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.148 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.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
CountyGRANT
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.1979
Lot (acres)The size of the land the home sits on, from county records.0.14
HeatingThe type of heating system in the home.Heat Pump
FireplaceWhether the home has a fireplace, and what kind.Yes
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(3)

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.

M
Ephrata Middle SchoolC
Middle · Grades 7–8 · 0.8 mi
E
Columbia Ridge Elementary SchoolB+
Elementary · Grades KG–4 · 1.4 mi
H
Ephrata High SchoolD
High · Grades 9–12 · 1.5 mi

District: Ephrata School District

Neighborhood · ZIP 98823These 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.117
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.110
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.94

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.8.3%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.18%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.5%
PopulationHow many people live in this area.12,456
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.49 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$65,202
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$80,178
Average tempThe average temperature here across a full year.50°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

231 15th Ave 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.

  • Has a smaller lot than 92% of homes in Grant County
  • Older than 83% of homes in Grant County

What homes are worth in Ephrata 98823

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

This home
$112K$740K

This home is worth more than 50% of homes in Ephrata 98823.

How it measures up in Ephrata 98823

The dot is this home. The mark in the middle is the typical home in Ephrata 98823.

Estimated value$287,400
CheaperTypical $288,468Pricier

Pricier than 50% of homes nearby

Price per ft²$202
CheaperTypical $221Pricier

Pricier than 37% of homes nearby

Living area1,422 ft²
SmallerTypical 1,440 ft²Bigger

Bigger than 48% of homes nearby

Lot size0.14 ac
SmallerTypical 0.19 acBigger

Bigger than 13% of homes nearby

Year built1953
OlderTypical 1976Newer

Newer than 31% of homes nearby

How 231 15th Ave Sw ranks against every home in each area.
MeasureThis homeEphrata 98823Grant County
Estimated valuepricier than$287,40050% of homes40% of homes
Price per ft²pricier than$20237% of homes43% of homes
Living areabigger than1,422 ft²48% of homes45% of homes
Lot sizebigger than0.14 ac13% of homes8% of homes
Year builtnewer than195331% of homes17% of homes

About 231 15th Ave Sw

How much is 231 15th Ave Sw, Ephrata, WA worth?

The TopHap Estimate for 231 15th Ave Sw, Ephrata, WA is $287,400 as of Aug 30, 2026. The likely range is $212,584 to $362,216. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 231 15th Ave Sw, Ephrata, WA last sell?

231 15th Ave Sw, Ephrata, WA last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 231 15th Ave Sw, Ephrata, WA?

231 15th Ave Sw, Ephrata, WA has 3 bedrooms, 1 bathrooms, 1,422 square feet of living space and a 0.14-acre lot.

When was 231 15th Ave Sw, Ephrata, WA built?

231 15th Ave Sw, Ephrata, WA was built in 1953, making it 73 years old. The building has 1 story.

What schools serve 231 15th Ave Sw, Ephrata, WA?

231 15th Ave Sw, Ephrata, WA is assigned to Ephrata Middle School (middle), rated C; Columbia Ridge Elementary School (elementary), rated B+; Ephrata High School (high), rated D. All sit in Ephrata School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 231 15th Ave Sw, Ephrata, WA compare to other homes in Ephrata 98823?

Among the 3,984 homes in Ephrata 98823, it is worth more than 50% of them ($287,400 against a typical $288,468), its price per square foot is higher than 37% of them ($202 against a typical $221), it is bigger than 48% of them (1,422 ft² against a typical 1,440 ft²), its lot is bigger than 13% of them (0.14 ac against a typical 0.19 ac) and it is newer than 31% of them (1953 against a typical 1976). Measured against all of Grant County, it is worth more than 40% 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 231 15th Ave Sw, Ephrata, WA?

The 2025 property tax bill for 231 15th Ave Sw, Ephrata, WA was $2,205. The county assessed it at $210,332.

More homes on 15th Ave Sw

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