Skip to content
Skip to content
TopHapOpen in map
Rural ResidenceResidential
$451,269$167 / 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 87How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Aug 30, 2026
Last sold for $588,500 on May 17, 2016

730 SIMPSON LN

WHITETHORN, CA 95589
0
Baths
2,706 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.
73.4 ac
Lot SizeThe size of the land the home sits on, from county records.
1989
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

$451K
$393K low$510K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$588,500 · May 17, 2016

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$5,635 (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.$500,000 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$175,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$325,000
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$500,000

Climate Risk

Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.109 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%
FEMA Flood ZoneFEMA's flood zone for this address. Zones starting with A or V are high risk, and lenders usually require flood insurance there.minimal

Scores 0–100; higher = greater projected risk.

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Rural Residence
CountyHumboldt
Lot (acres)The size of the land the home sits on, from county records.73.40
ConstructionThe main material the home's frame and walls are built from.Wood (Unspecified)
HeatingThe type of heating system in the home.None
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(4)

Sales and refinances filed with the county for this home. Not every transfer is a normal sale, so check the type before comparing prices.

Neighborhood · ZIP 95589These 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.178
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.93
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.555

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.72%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.16%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.16%
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.791
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.6 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$49,563
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$75,503
Average tempThe average temperature here across a full year.55°F
Annual precipHow much rain and melted snow falls here in a typical year.71 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.62%

Owner Tools

Do you own this home?
Claim this home

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

730 Simpson 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 78% of homes in Whitethorn 95589
  • Costs less per square foot than 97% of homes in Humboldt County
  • Bigger than 93% of homes in Humboldt County
  • Among the largest lots in Humboldt County
  • Newer than 75% of homes in Humboldt County

What homes are worth in Whitethorn 95589

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

This home
$75K$700K

This home is worth more than 78% of homes in Whitethorn 95589.

How it measures up in Whitethorn 95589

The dot is this home. The mark in the middle is the typical home in Whitethorn 95589.

Estimated value$451,269
CheaperTypical $320,717Pricier

Pricier than 78% of homes nearby

Price per ft²$167
CheaperTypical $258Pricier

Pricier than 7% of homes nearby

Living area2,706 ft²
SmallerTypical 1,520 ft²Bigger

Bigger than 92% of homes nearby

Lot size73.4 ac
SmallerTypical 0.31 acBigger

Bigger than 98% of homes nearby

Year built1989
OlderTypical 1998Newer

Newer than 27% of homes nearby

How 730 Simpson Ln ranks against every home in each area.
MeasureThis homeWhitethorn 95589Humboldt County
Estimated valuepricier than$451,26978% of homes64% of homes
Price per ft²pricier than$1677% of homes3% of homes
Living areabigger than2,706 ft²92% of homes93% of homes
Lot sizebigger than73.4 ac98% of homesalmost all homes
Year builtnewer than198927% of homes75% of homes

About 730 Simpson Ln

How much is 730 Simpson Ln, Whitethorn, CA worth?

The TopHap Estimate for 730 Simpson Ln, Whitethorn, CA is $451,269 as of Aug 30, 2026. The likely range is $392,811 to $509,727. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 730 Simpson Ln, Whitethorn, CA last sell?

730 Simpson Ln, Whitethorn, CA last sold on May 17, 2016 for $588,500, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 730 Simpson Ln, Whitethorn, CA?

730 Simpson Ln, Whitethorn, CA has 2,706 square feet of living space and a 73.40-acre lot.

When was 730 Simpson Ln, Whitethorn, CA built?

730 Simpson Ln, Whitethorn, CA was built in 1989, making it 37 years old. The building has 2 stories.

How does 730 Simpson Ln, Whitethorn, CA compare to other homes in Whitethorn 95589?

Among the 990 homes in Whitethorn 95589, it is worth more than 78% of them ($451,269 against a typical $320,717), its price per square foot is higher than 7% of them ($167 against a typical $258), it is bigger than 92% of them (2,706 ft² against a typical 1,520 ft²), its lot is bigger than 98% of them (73.4 ac against a typical 0.31 ac) and it is newer than 27% of them (1989 against a typical 1998). Measured against all of Humboldt County, it is worth more than 64% 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 730 Simpson Ln, Whitethorn, CA?

The 2025 property tax bill for 730 Simpson Ln, Whitethorn, CA was $5,635. The county assessed it at $500,000.

More homes on Simpson Ln

Closest homes

More homes in Whitethorn 95589

Explore the area

See this home in context

Open 730 Simpson Ln on TopHap’s interactive map to compare it against every sale nearby, overlay school zones and flood risk, and run a CMA.

Open in map
A flyover of TopHap's photorealistic 3D map, with recorded sale prices pinned to homes
Search any address, city, zip, or county…3D$1.9M$6.25MOpen in map