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Duplex (2 Units, Any Combination)Residential
Last sold for $245,000 on Oct 16, 1998

840 18TH ST APT A

ARCATA, CA 95521
0
Baths
0.15 ac
Lot SizeThe size of the land the home sits on, from county records.

Valuation

Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$245,000 · Oct 16, 1998

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,725 (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.$384,066 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$94,049
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$290,017
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$384,066

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.0.15
HeatingThe type of heating system in the home.None
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 · 0.2 mi
E
Arcata Elementary SchoolC
Elementary · Grades KG–5 · 0.4 mi
M
Sunny Brae Middle SchoolB
Middle · Grades 6–8 · 1.6 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

840 18th St Apt A 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 80% 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.

Lot size0.15 ac
SmallerTypical 0.19 acBigger

Bigger than 27% of homes nearby

How 840 18th St Apt A ranks against every home in each area.
MeasureThis homeArcata Heights / NorthtownArcata 95521Humboldt County
Lot sizebigger than0.15 ac49% of homes27% of homes20% of homes

About 840 18th St Apt A

When did 840 18th St Apt A, Arcata, CA last sell?

840 18th St Apt A, Arcata, CA last sold on Oct 16, 1998 for $245,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

What schools serve 840 18th St Apt A, Arcata, CA?

840 18th St Apt A, 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.

What are the property taxes on 840 18th St Apt A, Arcata, CA?

The 2025 property tax bill for 840 18th St Apt A, Arcata, CA was $4,725. The county assessed it at $384,066.

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Assigned schools

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