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Farm (Irrigated Or Dry)Agriculture / Farming
$1,128,667$772 / 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 83How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Jul 14, 2026
Last sold for $12,365,000 on Jan 31, 2025

NONE

UNINCORP COUNTY, CA
3
Beds
1
Baths
1,462 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.
416.44 ac
Lot SizeThe size of the land the home sits on, from county records.
1948
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.

Valuation

$1.1M
$936K low$1.3M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$12,365,000 · Jan 31, 2025

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$5,705 (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.$428,198 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$205,555
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$222,643
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$453,044

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.43
100
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
79
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
36
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.Farm (Irrigated Or Dry)
StyleThe architectural style of the home, such as ranch or colonial.Custom Design
CountySONOMA
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.1952
HeatingThe type of heating system in the home.None
CoolingThe type of cooling or air conditioning in the home.Yes
FireplaceWhether the home has a fireplace, and what kind.Yes
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.

M
Adele Harrison Middle SchoolC
Middle · Grades 6–8 · 5.7 mi
E
Prestwood Elementary SchoolC+
Elementary · Grades KG–5 · 5.8 mi
H
Sonoma Valley High SchoolB+
High · Grades 9–12 · 5.9 mi

District: Sonoma Valley Unified 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 more than 81% of homes in Sonoma County
  • Costs more per square foot than 90% of homes in Sonoma County
  • Among the largest lots in Sonoma County
  • Older than 87% 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$1,128,667
CheaperTypical $774,772Pricier

Pricier than 81% of homes nearby

Price per ft²$772
CheaperTypical $490Pricier

Pricier than 90% of homes nearby

Living area1,462 ft²
SmallerTypical 1,560 ft²Bigger

Bigger than 43% of homes nearby

Lot size416.44 ac
SmallerTypical 0.16 acBigger

Bigger than almost all homes nearby

Year built1948
OlderTypical 1978Newer

Newer than 13% of homes nearby

How None ranks against every home in each area.
MeasureThis homeSonoma County
Estimated valuepricier than$1,128,66781% of homes
Price per ft²pricier than$77290% of homes
Living areabigger than1,462 ft²43% of homes
Lot sizebigger than416.44 acalmost all homes
Year builtnewer than194813% of homes

About None

How much is None, Unincorp County, CA worth?

The TopHap Estimate for None, Unincorp County, CA is $1,128,667 as of Jul 14, 2026. The likely range is $935,559 to $1,321,775. 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 31, 2025 for $12,365,000, according to the county's recorded deed.

How big is None, Unincorp County, CA?

None, Unincorp County, CA has 3 bedrooms, 1 bathrooms and 1,462 square feet of living space.

When was None, Unincorp County, CA built?

None, Unincorp County, CA was built in 1948, making it 78 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 Adele Harrison Middle School (middle), rated C; Prestwood Elementary School (elementary), rated C+; Sonoma Valley High School (high), rated B+. All sit in Sonoma Valley Unified 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 81% of them ($1,128,667 against a typical $774,772), its price per square foot is higher than 90% of them ($772 against a typical $490), it is bigger than 43% of them (1,462 ft² against a typical 1,560 ft²), its lot is bigger than almost all of them (416.44 ac against a typical 0.16 ac) and it is newer than 13% of them (1948 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 $5,705. The county assessed it at $428,198.

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Assigned schools

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