Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$238,218$171 / 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 95How 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

540 N MAIN ST

UNION, OR 97883
2
Beds
1
Baths
1,390 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.
0.17 ac
Lot SizeThe size of the land the home sits on, from county records.
1905
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$238K
$226K low$250K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$982 (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.$69,060 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$23,950
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$45,110
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$67,050
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$181,380

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.32
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
45
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
50
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
21
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
44
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.

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.1973
Lot (acres)The size of the land the home sits on, from county records.0.17
HeatingThe type of heating system in the home.None
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Attached
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 · 102 ft²

Transaction History(1)

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 · 0.4 mi
M
Union High SchoolB+
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

540 N Main 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 77% of homes in Union County
  • Costs less per square foot than 81% of homes in Union County
  • Has a smaller lot than 89% of homes in Union 97883
  • Older than 91% of homes in Union County

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
$129K$684K

This home is worth more than 24% 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$238,218
CheaperTypical $317,500Pricier

Pricier than 24% of homes nearby

Price per ft²$171
CheaperTypical $215Pricier

Pricier than 21% of homes nearby

Living area1,390 ft²
SmallerTypical 1,440 ft²Bigger

Bigger than 45% of homes nearby

Lot size0.17 ac
SmallerTypical 0.29 acBigger

Bigger than 11% of homes nearby

Year built1905
OlderTypical 1972Newer

Newer than 16% of homes nearby

How 540 N Main St ranks against every home in each area.
MeasureThis homeUnion 97883Union County
Estimated valuepricier than$238,21824% of homes23% of homes
Price per ft²pricier than$17121% of homes19% of homes
Living areabigger than1,390 ft²45% of homes43% of homes
Lot sizebigger than0.17 ac11% of homes23% of homes
Year builtnewer than190516% of homes9% of homes

About 540 N Main St

How much is 540 N Main St, Union, OR worth?

The TopHap Estimate for 540 N Main St, Union, OR is $238,218 as of Aug 30, 2026. The likely range is $226,298 to $250,138. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

How big is 540 N Main St, Union, OR?

540 N Main St, Union, OR has 2 bedrooms, 1 bathrooms, 1,390 square feet of living space and a 0.17-acre lot.

When was 540 N Main St, Union, OR built?

540 N Main St, Union, OR was built in 1905, making it 121 years old. The building has 1 story.

What schools serve 540 N Main St, Union, OR?

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

How does 540 N Main St, Union, OR compare to other homes in Union 97883?

Among the 1,110 homes in Union 97883, it is worth more than 24% of them ($238,218 against a typical $317,500), its price per square foot is higher than 21% of them ($171 against a typical $215), it is bigger than 45% of them (1,390 ft² against a typical 1,440 ft²), its lot is bigger than 11% of them (0.17 ac against a typical 0.29 ac) and it is newer than 16% of them (1905 against a typical 1972). Measured against all of Union County, it is worth more than 23% 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 540 N Main St, Union, OR?

The 2025 property tax bill for 540 N Main St, Union, OR was $982. The county assessed it at $69,060.

More homes on N Main St

Closest homes

More homes in Union 97883

Assigned schools

Explore the area

See this home in context

Open 540 N Main 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