Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$394,880$156 / 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 92How 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
Last sold for $427,500 on Jun 20, 2024

511 E ARCH ST

UNION, OR 97883
5
Beds
2
Baths
2,530 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.
1.28 ac
Lot SizeThe size of the land the home sits on, from county records.
1970
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$395K
$363K low$427K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$427,500 · Jun 20, 2024

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,240 (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.$157,610 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$31,700
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$125,910
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$153,020
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$430,270

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.72 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.''

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
CountyUNION
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.1992
Lot (acres)The size of the land the home sits on, from county records.1.28
GarageWhether the property has a garage, and details like whether it is attached to the home.Carport (Unspecified)
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.Deck · 424 ft²

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.

E
Union Elementary SchoolC+
Elementary · Grades KG–6 · 0.3 mi
M
Union High SchoolC+
Middle · Grades 7–12 · 0.4 mi

District: Union School District 5

Neighborhood · ZIP 97883These 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.90
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.115
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.75

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.93%
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.18%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.6%
PopulationHow many people live in this area.2,798
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.12 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$63,925
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$76,167
Average tempThe average temperature here across a full year.40°F
Annual precipHow much rain and melted snow falls here in a typical year.47 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.48%

Owner Tools

Do you own this home?
Claim this home

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

511 E Arch 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 more than 76% of homes in Union 97883
  • Costs less per square foot than 88% of homes in Union County
  • Bigger than 94% of homes in Union 97883
  • Has a bigger lot than 82% of homes in Union 97883

What homes are worth in Union 97883

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

This home
$125K$677K

This home is worth more than 76% of homes in Union 97883.

How it measures up in Union 97883

The dot is this home. The mark in the middle is the typical home in Union 97883.

Estimated value$394,880
CheaperTypical $306,602Pricier

Pricier than 76% of homes nearby

Price per ft²$156
CheaperTypical $207Pricier

Pricier than 14% of homes nearby

Living area2,530 ft²
SmallerTypical 1,440 ft²Bigger

Bigger than 94% of homes nearby

Lot size1.28 ac
SmallerTypical 0.28 acBigger

Bigger than 82% of homes nearby

Year built1970
OlderTypical 1973Newer

Newer than 46% of homes nearby

How 511 E Arch St ranks against every home in each area.
MeasureThis homeUnion 97883Union County
Estimated valuepricier than$394,88076% of homes67% of homes
Price per ft²pricier than$15614% of homes12% of homes
Living areabigger than2,530 ft²94% of homes89% of homes
Lot sizebigger than1.28 ac82% of homes79% of homes
Year builtnewer than197046% of homes50% of homes

About 511 E Arch St

How much is 511 E Arch St, Union, OR worth?

The TopHap Estimate for 511 E Arch St, Union, OR is $394,880 as of Oct 21, 2026. The likely range is $362,673 to $427,087. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 511 E Arch St, Union, OR last sell?

511 E Arch St, Union, OR last sold on Jun 20, 2024 for $427,500, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 511 E Arch St, Union, OR?

511 E Arch St, Union, OR has 5 bedrooms, 2 bathrooms, 2,530 square feet of living space and a 1.28-acre lot.

When was 511 E Arch St, Union, OR built?

511 E Arch St, Union, OR was built in 1970, making it 56 years old. The building has 2 stories.

What schools serve 511 E Arch St, Union, OR?

511 E Arch St, Union, OR is assigned to Union Elementary School (elementary), rated C+; Union High School (middle), rated C+. All sit in Union School District 5. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 511 E Arch St, Union, OR compare to other homes in Union 97883?

Among the 1,081 homes in Union 97883, it is worth more than 76% of them ($394,880 against a typical $306,602), its price per square foot is higher than 14% of them ($156 against a typical $207), it is bigger than 94% of them (2,530 ft² against a typical 1,440 ft²), its lot is bigger than 82% of them (1.28 ac against a typical 0.28 ac) and it is newer than 46% of them (1970 against a typical 1973). Measured against all of Union County, it is worth more than 67% 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 511 E Arch St, Union, OR?

The 2025 property tax bill for 511 E Arch St, Union, OR was $2,240. The county assessed it at $157,610.

More homes on E Arch St

Closest homes

More homes in Union 97883

Assigned schools

Explore the area

See this home in context

Open 511 E Arch St on TopHap’s interactive map to compare it against every sale nearby, overlay school zones and flood risk, and run a CMA.

Open in map
A flyover of TopHap's photorealistic 3D map, with recorded sale prices pinned to homes
Search any address, city, zip, or county…3D$1.9M$6.25MOpen in map