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WineryIndustrial
Last sold for $6,500,000 on Aug 1, 2006

17138 SPENCER LN

CALISTOGA, CA 94515
11
Beds
15 / 2
Baths
15,800 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.
86.43 ac
Lot SizeThe size of the land the home sits on, from county records.
2014
Year BuiltThe year the home was originally built, according to county records.
3
StoriesHow many floors the home has above ground.
24
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
3
ParkingThe number of parking spaces on the property, including the garage.

Valuation

Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$6,500,000 · Aug 1, 2006

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$601,980 (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.$56,221,841 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$9,018,618
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$47,203,223
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$55,180,590

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.40
88
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
87
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.50 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.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.Winery
CountySONOMA
HeatingThe type of heating system in the home.Hot Water
CoolingThe type of cooling or air conditioning in the home.Central
FireplaceWhether the home has a fireplace, and what kind.Yes
GarageWhether the property has a garage, and details like whether it is attached to the home.Carport (Unspecified)
PoolWhether the property has a pool, and what kind, such as in-ground.Yes

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.

E
Calistoga Elementary SchoolB-
Elementary · Grades KG–6 · 5.3 mi
M
Calistoga Junior/Senior High SchoolC+
Middle · Grades 7–12 · 5.3 mi

District: Calistoga Joint Unified School District

Neighborhood · ZIP 94515These 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.126
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.87
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.343

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.84%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.22%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.6.1%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.0%
PopulationHow many people live in this area.6,731
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.61 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$91,969
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$156,593
Average tempThe average temperature here across a full year.58°F
Annual precipHow much rain and melted snow falls here in a typical year.44 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.78%

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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

17138 Spencer 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.

  • Among the largest homes in Calistoga 94515
  • Among the largest lots in Calistoga 94515
  • Newer than 95% of homes in Calistoga 94515

How it measures up in Calistoga 94515

The dot is this home. The mark in the middle is the typical home in Calistoga 94515.

Living area15,800 ft²
SmallerTypical 1,584 ft²Bigger

Bigger than almost all homes nearby

Lot size86.43 ac
SmallerTypical 0.33 acBigger

Bigger than almost all homes nearby

Year built2014
OlderTypical 1972Newer

Newer than 95% of homes nearby

How 17138 Spencer Ln ranks against every home in each area.
MeasureThis homeCalistoga 94515Sonoma County
Living areabigger than15,800 ft²almost all homesalmost all homes
Lot sizebigger than86.43 acalmost all homesalmost all homes
Year builtnewer than201495% of homes93% of homes

About 17138 Spencer Ln

When did 17138 Spencer Ln, Calistoga, CA last sell?

17138 Spencer Ln, Calistoga, CA last sold on Aug 1, 2006 for $6,500,000, according to the county's recorded deed.

How big is 17138 Spencer Ln, Calistoga, CA?

17138 Spencer Ln, Calistoga, CA has 11 bedrooms, 15 bathrooms and 15,800 square feet of living space.

When was 17138 Spencer Ln, Calistoga, CA built?

17138 Spencer Ln, Calistoga, CA was built in 2014, making it 12 years old. The building has 3 stories.

What schools serve 17138 Spencer Ln, Calistoga, CA?

17138 Spencer Ln, Calistoga, CA is assigned to Calistoga Elementary School (elementary), rated B-; Calistoga Junior/Senior High School (middle), rated C+. All sit in Calistoga Joint Unified School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 17138 Spencer Ln, Calistoga, CA compare to other homes in Calistoga 94515?

Among the 1,962 homes in Calistoga 94515, it is bigger than almost all of them (15,800 ft² against a typical 1,584 ft²), its lot is bigger than almost all of them (86.43 ac against a typical 0.33 ac) and it is newer than 95% of them (2014 against a typical 1972). These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 17138 Spencer Ln, Calistoga, CA?

The 2025 property tax bill for 17138 Spencer Ln, Calistoga, CA was $601,980. The county assessed it at $56,221,841.

More homes on Spencer Ln

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