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Single Family ResidenceResidential
$204,140$387 / 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 90How 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

NONE

UNINCORP COUNTY, CA
1
Beds
1.5
Baths
528 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 ac
Lot SizeThe size of the land the home sits on, from county records.
1920
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
1
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$204K
$184K low$224K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$894 (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.$53,854 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$29,567
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$24,287
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$52,799

Climate Risk

Overall riskThe average of the five hazard scores below, on a 0 to 100 scale. Higher means greater projected risk over the coming decades.41
100
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
80
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
27
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.
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.51%
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.Single Family Residence
StyleThe architectural style of the home, such as ranch or colonial.Custom Design
CountySONOMA
ConstructionThe main material the home's frame and walls are built from.Wood (Unspecified)
HeatingThe type of heating system in the home.None
CoolingThe type of cooling or air conditioning in the home.None
PoolWhether the property has a pool, and what kind, such as in-ground.No

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

E
Guerneville Elementary (Charter)C-
Elementary · Grades KG–8 · 1.2 mi
H
Analy High SchoolA-
High · Grades 9–12 · 10.8 mi

District: Guerneville Elementary School District

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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

None 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.

  • Among the least valuable homes in Sonoma County
  • Costs less per square foot than 86% of homes in Sonoma County
  • Among the smallest homes in Sonoma County
  • Has a bigger lot than 84% of homes in Sonoma County
  • Older than 96% of homes in Sonoma County

How it measures up in Sonoma County

The dot is this home. The mark in the middle is the typical home in Sonoma County.

Estimated value$204,140
CheaperTypical $772,729Pricier

Cheaper than almost all homes nearby

Price per ft²$387
CheaperTypical $490Pricier

Pricier than 14% of homes nearby

Living area528 ft²
SmallerTypical 1,568 ft²Bigger

Smaller than almost all homes nearby

Lot size1 ac
SmallerTypical 0.16 acBigger

Bigger than 84% of homes nearby

Year built1920
OlderTypical 1978Newer

Newer than 4% of homes nearby

How None ranks against every home in each area.
MeasureThis homeSonoma County
Estimated valuepricier than$204,140almost no homes
Price per ft²pricier than$38714% of homes
Living areabigger than528 ft²almost no homes
Lot sizebigger than1 ac84% of homes
Year builtnewer than19204% of homes

About None

How much is None, Unincorp County, CA worth?

The TopHap Estimate for None, Unincorp County, CA is $204,140 as of Aug 30, 2026. The likely range is $184,206 to $224,074. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did None, Unincorp County, CA last sell?

None, Unincorp County, CA last sold on Jan 1, 1900, according to the county's recorded deed.

How big is None, Unincorp County, CA?

None, Unincorp County, CA has 1 bedrooms, 1.5 bathrooms and 528 square feet of living space.

When was None, Unincorp County, CA built?

None, Unincorp County, CA was built in 1920, making it 106 years old. It is a custom design home. The building has 1 story.

What schools serve None, Unincorp County, CA?

None, Unincorp County, CA is assigned to Guerneville Elementary (Charter) (elementary), rated C-; Analy High School (high), rated A-. All sit in Guerneville Elementary School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does None, Unincorp County, CA compare to other homes in Sonoma County?

Among the 155,413 homes in Sonoma County, it is worth more than almost none of them ($204,140 against a typical $772,729), its price per square foot is higher than 14% of them ($387 against a typical $490), it is bigger than almost none of them (528 ft² against a typical 1,568 ft²), its lot is bigger than 84% of them (1 ac against a typical 0.16 ac) and it is newer than 4% of them (1920 against a typical 1978). These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on None, Unincorp County, CA?

The 2025 property tax bill for None, Unincorp County, CA was $894. The county assessed it at $53,854.

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Assigned schools

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