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Rural ResidenceResidential
$272,402$245 / 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 92How 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

36588 MATTOLE RD

PETROLIA, CA 95558
1
Beds
1
Baths
1,110 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.
1.1 ac
Lot SizeThe size of the land the home sits on, from county records.
1941
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
3
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

$272K
$250K low$295K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,074 (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.$100,378 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$51,999
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$48,379
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$100,378

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.197 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.1 percent flood zone

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
Effective Year BuiltAn adjusted build year that accounts for condition and major remodels. A big renovation can make a home count as newer than it is.1955
Lot (acres)The size of the land the home sits on, from county records.1.10
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, Detached
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(2)

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
Mattole Triple Junction High School
High · Grades 9–12 · 4.6 mi
E
Mattole Elementary SchoolA-
Elementary · Grades KG–8 · 4.6 mi

District: Mattole Unified School District

Neighborhood · ZIP 95558These 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.139
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.94
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.375

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.12%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.15%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.6%
PopulationHow many people live in this area.532
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.4 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$66,569
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$113,400
Average tempThe average temperature here across a full year.53°F
Annual precipHow much rain and melted snow falls here in a typical year.72 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

36588 Mattole Rd 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 less than 83% of homes in Humboldt County
  • Costs less per square foot than 77% of homes in Humboldt County
  • Smaller than 78% of homes in Humboldt County
  • Has a smaller lot than 79% of homes in Petrolia 95558
  • Older than 79% of homes in Humboldt County

What homes are worth in Petrolia 95558

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

This home
$114K$727K

This home is worth more than 26% of homes in Petrolia 95558.

How it measures up in Petrolia 95558

The dot is this home. The mark in the middle is the typical home in Petrolia 95558.

Estimated value$272,402
CheaperTypical $332,650Pricier

Pricier than 26% of homes nearby

Price per ft²$245
CheaperTypical $265Pricier

Pricier than 32% of homes nearby

Living area1,110 ft²
SmallerTypical 1,224 ft²Bigger

Bigger than 42% of homes nearby

Lot size1.1 ac
SmallerTypical 9.2 acBigger

Bigger than 21% of homes nearby

Year built1941
OlderTypical 1970Newer

Newer than 22% of homes nearby

How 36588 Mattole Rd ranks against every home in each area.
MeasureThis homePetrolia 95558Humboldt County
Estimated valuepricier than$272,40226% of homes17% of homes
Price per ft²pricier than$24532% of homes23% of homes
Living areabigger than1,110 ft²42% of homes22% of homes
Lot sizebigger than1.1 ac21% of homes76% of homes
Year builtnewer than194122% of homes21% of homes

About 36588 Mattole Rd

How much is 36588 Mattole Rd, Petrolia, CA worth?

The TopHap Estimate for 36588 Mattole Rd, Petrolia, CA is $272,402 as of Aug 30, 2026. The likely range is $249,719 to $295,085. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

How big is 36588 Mattole Rd, Petrolia, CA?

36588 Mattole Rd, Petrolia, CA has 1 bedrooms, 1 bathrooms, 1,110 square feet of living space and a 1.10-acre lot.

When was 36588 Mattole Rd, Petrolia, CA built?

36588 Mattole Rd, Petrolia, CA was built in 1941, making it 85 years old. The building has 1 story.

What schools serve 36588 Mattole Rd, Petrolia, CA?

36588 Mattole Rd, Petrolia, CA is assigned to Mattole Triple Junction High School (high); Mattole Elementary School (elementary), rated A-. All sit in Mattole Unified School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 36588 Mattole Rd, Petrolia, CA compare to other homes in Petrolia 95558?

Among the 195 homes in Petrolia 95558, it is worth more than 26% of them ($272,402 against a typical $332,650), its price per square foot is higher than 32% of them ($245 against a typical $265), it is bigger than 42% of them (1,110 ft² against a typical 1,224 ft²), its lot is bigger than 21% of them (1.1 ac against a typical 9.2 ac) and it is newer than 22% of them (1941 against a typical 1970). Measured against all of Humboldt County, it is worth more than 17% 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 36588 Mattole Rd, Petrolia, CA?

The 2025 property tax bill for 36588 Mattole Rd, Petrolia, CA was $1,074. The county assessed it at $100,378.

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