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Single Family ResidenceResidential
$711,651$268 / 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 93How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Sep 24, 2026
Last sold for $680,000 on Oct 26, 2023

3984 ONYX ST

EUGENE, OR 97405
4
Beds
3 / 2
Baths
2,657 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.
0.25 ac
Lot SizeThe size of the land the home sits on, from county records.
1975
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

$712K
$662K low$762K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$680,000 · Oct 26, 2023

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$7,513 (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.$385,579 (2025)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$374,349
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$642,156

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyLANE
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.1980
Lot (acres)The size of the land the home sits on, from county records.0.25
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
RoofThe main material covering the roof, such as asphalt shingle or tile.Composition Shingle
HeatingThe type of heating system in the home.Forced Air With Air Conditioning
CoolingThe type of cooling or air conditioning in the home.Central
FireplaceWhether the home has a fireplace, and what kind.Yes
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.Patio · 216 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.

M
Spencer Butte Middle SchoolB
Middle · Grades 6–8 · 0.7 mi
E
Camas Ridge Elementary SchoolA-
Elementary · Grades KG–5 · 1.0 mi
H
South Eugene High SchoolA+
High · Grades 9–12 · 1.9 mi

District: Eugene School District 4j

Neighborhood · ZIP 97405These 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.87
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 100.137

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.28%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.11%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.2%
PopulationHow many people live in this area.47,451
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.331 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$86,326
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$115,325
Average tempThe average temperature here across a full year.52°F
Annual precipHow much rain and melted snow falls here in a typical year.50 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.48%

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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

3984 Onyx 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 88% of homes in Lane County
  • Costs less per square foot than 86% of homes in Southeast
  • Bigger than 91% of homes in Lane County
  • Has a bigger lot than 76% of homes in Southeast
  • Newer than 71% of homes in Southeast

What homes are worth in Eugene 97405

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

This home
$272K$1.3M

This home is worth more than 78% of homes in Eugene 97405.

How it measures up in Eugene 97405

The dot is this home. The mark in the middle is the typical home in Eugene 97405.

Estimated value$711,651
CheaperTypical $544,141Pricier

Pricier than 78% of homes nearby

Price per ft²$268
CheaperTypical $316Pricier

Pricier than 17% of homes nearby

Living area2,657 ft²
SmallerTypical 1,754 ft²Bigger

Bigger than 84% of homes nearby

Lot size0.25 ac
SmallerTypical 0.21 acBigger

Bigger than 67% of homes nearby

Year built1975
OlderTypical 1970Newer

Newer than 63% of homes nearby

How 3984 Onyx St ranks against every home in each area.
MeasureThis homeSoutheastEugene 97405Lane County
Estimated valuepricier than$711,65184% of homes78% of homes88% of homes
Price per ft²pricier than$26814% of homes17% of homes24% of homes
Living areabigger than2,657 ft²88% of homes84% of homes91% of homes
Lot sizebigger than0.25 ac76% of homes67% of homes63% of homes
Year builtnewer than197571% of homes63% of homes49% of homes

About 3984 Onyx St

How much is 3984 Onyx St, Eugene, OR worth?

The TopHap Estimate for 3984 Onyx St, Eugene, OR is $711,651 as of Sep 24, 2026. The likely range is $661,585 to $761,717. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 3984 Onyx St, Eugene, OR last sell?

3984 Onyx St, Eugene, OR last sold on Oct 26, 2023 for $680,000, according to the county's recorded deed.

How big is 3984 Onyx St, Eugene, OR?

3984 Onyx St, Eugene, OR has 4 bedrooms, 3 bathrooms, 2,657 square feet of living space and a 0.25-acre lot.

When was 3984 Onyx St, Eugene, OR built?

3984 Onyx St, Eugene, OR was built in 1975, making it 51 years old. The building has 2 stories.

What schools serve 3984 Onyx St, Eugene, OR?

3984 Onyx St, Eugene, OR is assigned to Spencer Butte Middle School (middle), rated B; Camas Ridge Elementary School (elementary), rated A-; South Eugene High School (high), rated A+. All sit in Eugene School District 4j. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 3984 Onyx St, Eugene, OR compare to other homes in Eugene 97405?

Among the 17,763 homes in Eugene 97405, it is worth more than 78% of them ($711,651 against a typical $544,141), its price per square foot is higher than 17% of them ($268 against a typical $316), it is bigger than 84% of them (2,657 ft² against a typical 1,754 ft²), its lot is bigger than 67% of them (0.25 ac against a typical 0.21 ac) and it is newer than 63% of them (1975 against a typical 1970). Measured against all of Lane County, it is worth more than 88% 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 3984 Onyx St, Eugene, OR?

The 2025 property tax bill for 3984 Onyx St, Eugene, OR was $7,513. The county assessed it at $385,579.

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