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Duplex (2 Units, Any Combination)Residential
Last sold for $300,000 on May 30, 2003

1580 UNION ST

ARCATA, CA 95521
3
Beds
2
Baths
1,470 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.
0.13 ac
Lot SizeThe size of the land the home sits on, from county records.
1957
Year BuiltThe year the home was originally built, according to county records.
1
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

Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$300,000 · May 30, 2003

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$5,125 (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.$425,564 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$178,480
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$247,084
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$425,564

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.0.13
ConstructionThe main material the home's frame and walls are built from.Wood (Unspecified)
HeatingThe type of heating system 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.Carport (Unspecified)
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 · 0.7 mi
E
Arcata Elementary SchoolC
Elementary · Grades KG–5 · 0.8 mi
M
Sunny Brae Middle SchoolB
Middle · Grades 6–8 · 1.2 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

1580 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.

  • Has a smaller lot than 89% of homes in Humboldt County

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 area1,470 ft²
SmallerTypical 1,404 ft²Bigger

Bigger than 54% of homes nearby

Lot size0.13 ac
SmallerTypical 0.19 acBigger

Bigger than 13% of homes nearby

Year built1957
OlderTypical 1958Newer

Newer than 49% of homes nearby

How 1580 Union St ranks against every home in each area.
MeasureThis homeArcata 95521Humboldt County
Living areabigger than1,470 ft²54% of homes51% of homes
Lot sizebigger than0.13 ac13% of homes11% of homes
Year builtnewer than195749% of homes45% of homes

About 1580 Union St

When did 1580 Union St, Arcata, CA last sell?

1580 Union St, Arcata, CA last sold on May 30, 2003 for $300,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 1580 Union St, Arcata, CA?

1580 Union St, Arcata, CA has 3 bedrooms, 2 bathrooms, 1,470 square feet of living space and a 0.13-acre lot.

When was 1580 Union St, Arcata, CA built?

1580 Union St, Arcata, CA was built in 1957, making it 69 years old. The building has 1 story.

What schools serve 1580 Union St, Arcata, CA?

1580 Union St, Arcata, CA is assigned to Arcata High School (high), rated A+; Arcata Elementary School (elementary), rated C; Sunny Brae Middle School (middle), rated B. All sit in Northern Humboldt Union High School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 1580 Union St, Arcata, CA compare to other homes in Arcata 95521?

Among the 5,321 homes in Arcata 95521, it is bigger than 54% of them (1,470 ft² against a typical 1,404 ft²), its lot is bigger than 13% of them (0.13 ac against a typical 0.19 ac) and it is newer than 49% of them (1957 against a typical 1958). These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 1580 Union St, Arcata, CA?

The 2025 property tax bill for 1580 Union St, Arcata, CA was $5,125. The county assessed it at $425,564.

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