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Single Family ResidenceResidential
$926,159$408 / 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 88How 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

644 SEASIDE LN

TRINIDAD, CA 95570
3
Beds
2
Baths
2,272 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.
0.96 ac
Lot SizeThe size of the land the home sits on, from county records.
1990
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
7
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$926K
$819K low$1M high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,073 (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.$371,902 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$110,371
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$261,531
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$371,902

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyHumboldt
Lot (acres)The size of the land the home sits on, from county records.0.96
ConstructionThe main material the home's frame and walls are built from.Wood (Unspecified)
HeatingThe type of heating system in the home.Central
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

Transaction History(6)

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
Trinidad UnionB+
Elementary · Grades KG–8 · 2.2 mi
H
McKinleyville High SchoolC
High · Grades 9–12 · 5.6 mi

District: Trinidad Union Elementary School District

Neighborhood · ZIP 95570These 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.142
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.98
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.606

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.81%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.27%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.13%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.3%
PopulationHow many people live in this area.2,467
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.21 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$68,070
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$99,898
Average tempThe average temperature here across a full year.54°F
Annual precipHow much rain and melted snow falls here in a typical year.74 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

644 Seaside Ln 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 98% of homes in Humboldt County
  • Costs more per square foot than 89% of homes in Humboldt County
  • Bigger than 86% of homes in Humboldt County
  • Has a bigger lot than 74% of homes in Humboldt County
  • Newer than 77% of homes in Humboldt County

What homes are worth in Trinidad 95570

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

This home
$306K$1.8M

This home is worth more than 79% of homes in Trinidad 95570.

How it measures up in Trinidad 95570

The dot is this home. The mark in the middle is the typical home in Trinidad 95570.

Estimated value$926,159
CheaperTypical $673,911Pricier

Pricier than 79% of homes nearby

Price per ft²$408
CheaperTypical $476Pricier

Pricier than 29% of homes nearby

Living area2,272 ft²
SmallerTypical 1,558 ft²Bigger

Bigger than 80% of homes nearby

Lot size0.96 ac
SmallerTypical 0.8 acBigger

Bigger than 53% of homes nearby

Year built1990
OlderTypical 1972Newer

Newer than 75% of homes nearby

How 644 Seaside Ln ranks against every home in each area.
MeasureThis homeTrinidad 95570Humboldt County
Estimated valuepricier than$926,15979% of homes98% of homes
Price per ft²pricier than$40829% of homes89% of homes
Living areabigger than2,272 ft²80% of homes86% of homes
Lot sizebigger than0.96 ac53% of homes74% of homes
Year builtnewer than199075% of homes77% of homes

About 644 Seaside Ln

How much is 644 Seaside Ln, Trinidad, CA worth?

The TopHap Estimate for 644 Seaside Ln, Trinidad, CA is $926,159 as of Sep 24, 2026. The likely range is $818,757 to $1,033,561. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

How big is 644 Seaside Ln, Trinidad, CA?

644 Seaside Ln, Trinidad, CA has 3 bedrooms, 2 bathrooms, 2,272 square feet of living space and a 0.96-acre lot.

When was 644 Seaside Ln, Trinidad, CA built?

644 Seaside Ln, Trinidad, CA was built in 1990, making it 36 years old. The building has 2 stories.

What schools serve 644 Seaside Ln, Trinidad, CA?

644 Seaside Ln, Trinidad, CA is assigned to Trinidad Union (elementary), rated B+; McKinleyville High School (high), rated C. All sit in Trinidad Union Elementary School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 644 Seaside Ln, Trinidad, CA compare to other homes in Trinidad 95570?

Among the 1,113 homes in Trinidad 95570, it is worth more than 79% of them ($926,159 against a typical $673,911), its price per square foot is higher than 29% of them ($408 against a typical $476), it is bigger than 80% of them (2,272 ft² against a typical 1,558 ft²), its lot is bigger than 53% of them (0.96 ac against a typical 0.8 ac) and it is newer than 75% of them (1990 against a typical 1972). Measured against all of Humboldt County, it is worth more than 98% 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 644 Seaside Ln, Trinidad, CA?

The 2025 property tax bill for 644 Seaside Ln, Trinidad, CA was $4,073. The county assessed it at $371,902.

More homes on Seaside Ln

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