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Duplex (2 Units, Any Combination)Residential

879 UNION ST

ARCATA, CA 95521
2
Beds
1
Baths
1,638 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.
0.32 ac
Lot SizeThe size of the land the home sits on, from county records.
1920
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
4
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$5,744 (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.$479,902 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$190,438
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$289,464
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$479,902

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Duplex (2 Units, Any Combination)
CountyHumboldt
Lot (acres)The size of the land the home sits on, from county records.0.32
ConstructionThe main material the home's frame and walls are built from.Wood (Unspecified)
HeatingThe type of heating system in the home.Central
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.

H
Arcata High SchoolA+
High · Grades 9–12 · 0.9 mi
M
Sunny Brae Middle SchoolB
Middle · Grades 6–8 · 0.9 mi
E
Arcata Elementary SchoolC
Elementary · Grades KG–5 · 1.1 mi

District: Northern Humboldt Union High School District

Neighborhood · ZIP 95521These 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.113
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.100
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.641

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.25%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.26%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.7%
PopulationHow many people live in this area.20,920
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.271 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$48,337
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$66,702
Average tempThe average temperature here across a full year.51°F
Annual precipHow much rain and melted snow falls here in a typical year.76 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

879 Union 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.

  • Bigger than 65% of homes in Arcata 95521
  • Has a bigger lot than 77% of homes in East Arcata / Bay View
  • Older than 93% of homes in Arcata 95521

How it measures up in Arcata 95521

The dot is this home. The mark in the middle is the typical home in Arcata 95521.

Living area1,638 ft²
SmallerTypical 1,406 ft²Bigger

Bigger than 65% of homes nearby

Lot size0.32 ac
SmallerTypical 0.19 acBigger

Bigger than 68% of homes nearby

Year built1920
OlderTypical 1959Newer

Newer than 7% of homes nearby

How 879 Union St ranks against every home in each area.
MeasureThis homeEast Arcata / Bay ViewArcata 95521Humboldt County
Living areabigger than1,638 ft²60% of homes65% of homes62% of homes
Lot sizebigger than0.32 ac77% of homes68% of homes58% of homes
Year builtnewer than192019% of homes7% of homes12% of homes

About 879 Union St

When did 879 Union St, Arcata, CA last sell?

879 Union St, Arcata, CA last sold on Jul 14, 2017, according to the county's recorded deed.

How big is 879 Union St, Arcata, CA?

879 Union St, Arcata, CA has 2 bedrooms, 1 bathrooms, 1,638 square feet of living space and a 0.32-acre lot.

When was 879 Union St, Arcata, CA built?

879 Union St, Arcata, CA was built in 1920, making it 106 years old. The building has 2 stories.

What schools serve 879 Union St, Arcata, CA?

879 Union St, Arcata, CA is assigned to Arcata High School (high), rated A+; Sunny Brae Middle School (middle), rated B; Arcata Elementary School (elementary), rated C. All sit in Northern Humboldt Union High School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 879 Union St, Arcata, CA compare to other homes in Arcata 95521?

Among the 5,321 homes in Arcata 95521, it is bigger than 65% of them (1,638 ft² against a typical 1,406 ft²), its lot is bigger than 68% of them (0.32 ac against a typical 0.19 ac) and it is newer than 7% of them (1920 against a typical 1959). These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 879 Union St, Arcata, CA?

The 2025 property tax bill for 879 Union St, Arcata, CA was $5,744. The county assessed it at $479,902.

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