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Single Family ResidenceResidential
$423,830$491 / 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

NONE

UNINCORP COUNTY, CA
2
Beds
1
Baths
864 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.
4.3 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.
1
StoriesHow many floors the home has above ground.
2
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$424K
$368K low$479K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,080 (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.$71,432 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$3,532
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$67,900
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$70,032

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.36
69
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
82
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
30
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.40 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.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
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(8)

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
Fort Ross Elementary SchoolB
Elementary · Grades KG–8 · 1.2 mi
H
Analy High SchoolA-
High · Grades 9–12 · 25.5 mi

District: Fort Ross 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.

  • Worth less than 94% of homes in Sonoma County
  • Smaller than 94% of homes in Sonoma County
  • Has a bigger lot than 94% of homes in Sonoma County
  • Newer than 71% 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$423,830
CheaperTypical $774,772Pricier

Pricier than 6% of homes nearby

Price per ft²$491
CheaperTypical $490Pricier

Pricier than 50% of homes nearby

Living area864 ft²
SmallerTypical 1,560 ft²Bigger

Bigger than 6% of homes nearby

Lot size4.3 ac
SmallerTypical 0.16 acBigger

Bigger than 94% of homes nearby

Year built1989
OlderTypical 1978Newer

Newer than 71% of homes nearby

How None ranks against every home in each area.
MeasureThis homeSonoma County
Estimated valuepricier than$423,8306% of homes
Price per ft²pricier than$49150% of homes
Living areabigger than864 ft²6% of homes
Lot sizebigger than4.3 ac94% of homes
Year builtnewer than198971% of homes

About None

How much is None, Unincorp County, CA worth?

The TopHap Estimate for None, Unincorp County, CA is $423,830 as of Aug 30, 2026. The likely range is $368,177 to $479,483. 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 2 bedrooms, 1 bathrooms and 864 square feet of living space.

When was None, Unincorp County, CA built?

None, Unincorp County, CA was built in 1989, making it 37 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 Fort Ross Elementary School (elementary), rated B; Analy High School (high), rated A-. All sit in Fort Ross 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 155,409 homes in Sonoma County, it is worth more than 6% of them ($423,830 against a typical $774,772), its price per square foot is higher than 50% of them ($491 against a typical $490), it is bigger than 6% of them (864 ft² against a typical 1,560 ft²), its lot is bigger than 94% of them (4.3 ac against a typical 0.16 ac) and it is newer than 71% of them (1989 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 $1,080. The county assessed it at $71,432.

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