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CondominiumResidential
$249,510$178 / 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 73How 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
Last sold for $276,148 on Aug 8, 2025

521 SAINT THOMAS ST

UNION GAP, WA 98903
3
Beds
2
Baths
1,401 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.
871 ft²
Lot SizeThe size of the land the home sits on, from county records.
1997
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
6
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
1
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$250K
$183K low$316K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$276,148 · Aug 8, 2025

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,541 (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.$171,700 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$25,800
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$145,900
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$171,700
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$171,700

Climate Risk

Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.6 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.6%
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.Condominium
StyleThe architectural style of the home, such as ranch or colonial.Condo/Apartment
CountyYakima
Lot (acres)The size of the land the home sits on, from county records.0.02
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
CoolingThe type of cooling or air conditioning in the home.Yes
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Built-in
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.Patio · 192 ft²Porch · 66 ft²

Transaction History(4)

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
Ridgeview Elementary SchoolC
Elementary · Grades KG–5 · 0.1 mi
M
Lewis & Clark Middle SchoolC
Middle · Grades 6–8 · 0.5 mi
H
A.C. Davis High SchoolC
High · Grades 9–12 · 1.8 mi

District: Yakima School District

Neighborhood · ZIP 98903These 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.100
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.122
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.97

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.96%
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.15%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.9%
PopulationHow many people live in this area.16,975
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.50 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$69,347
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$85,973
Average tempThe average temperature here across a full year.42°F
Annual precipHow much rain and melted snow falls here in a typical year.29 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.51%

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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

521 Saint Thomas 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 72% of homes in Yakima 98903
  • Costs less per square foot than 82% of homes in Yakima 98903
  • Among the smallest lots in Yakima 98903
  • Newer than 78% of homes in Yakima County

What homes are worth in Yakima 98903

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

This home
$129K$781K

This home is worth more than 28% of homes in Yakima 98903.

How it measures up in Yakima 98903

The dot is this home. The mark in the middle is the typical home in Yakima 98903.

Estimated value$249,510
CheaperTypical $345,541Pricier

Pricier than 28% of homes nearby

Price per ft²$178
CheaperTypical $225Pricier

Pricier than 18% of homes nearby

Living area1,401 ft²
SmallerTypical 1,440 ft²Bigger

Bigger than 47% of homes nearby

Lot size871 ft²
SmallerTypical 0.31 acBigger

Smaller than almost all homes nearby

Year built1997
OlderTypical 1979Newer

Newer than 68% of homes nearby

How 521 Saint Thomas St ranks against every home in each area.
MeasureThis homeYakima 98903Yakima County
Estimated valuepricier than$249,51028% of homes28% of homes
Price per ft²pricier than$17818% of homes21% of homes
Living areabigger than1,401 ft²47% of homes47% of homes
Lot sizebigger than871 ft²almost no homesalmost no homes
Year builtnewer than199768% of homes78% of homes

About 521 Saint Thomas St

How much is 521 Saint Thomas St, Union Gap, WA worth?

The TopHap Estimate for 521 Saint Thomas St, Union Gap, WA is $249,510 as of Aug 30, 2026. The likely range is $182,946 to $316,074. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 521 Saint Thomas St, Union Gap, WA last sell?

521 Saint Thomas St, Union Gap, WA last sold on Aug 8, 2025 for $276,148, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 521 Saint Thomas St, Union Gap, WA?

521 Saint Thomas St, Union Gap, WA has 3 bedrooms, 2 bathrooms, 1,401 square feet of living space and a 0.02-acre lot.

When was 521 Saint Thomas St, Union Gap, WA built?

521 Saint Thomas St, Union Gap, WA was built in 1997, making it 29 years old. It is a condo/apartment home. The building has 2 stories.

What schools serve 521 Saint Thomas St, Union Gap, WA?

521 Saint Thomas St, Union Gap, WA is assigned to Ridgeview Elementary School (elementary), rated C; Lewis & Clark Middle School (middle), rated C; A.C. Davis High School (high), rated C. All sit in Yakima School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 521 Saint Thomas St, Union Gap, WA compare to other homes in Yakima 98903?

Among the 6,854 homes in Yakima 98903, it is worth more than 28% of them ($249,510 against a typical $345,541), its price per square foot is higher than 18% of them ($178 against a typical $225), it is bigger than 47% of them (1,401 ft² against a typical 1,440 ft²), its lot is bigger than almost none of them (871 ft² against a typical 0.31 ac) and it is newer than 68% of them (1997 against a typical 1979). Measured against all of Yakima County, it is worth more than 28% 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 521 Saint Thomas St, Union Gap, WA?

The 2025 property tax bill for 521 Saint Thomas St, Union Gap, WA was $1,541. The county assessed it at $171,700.

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