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Rural ResidenceResidential
$5,612,497$10,856 / 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 52How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Sep 24, 2026

505 PETRIFIED FOREST RD

CALISTOGA, CA 94515
1
Beds
1
Baths
517 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.
40.37 ac
Lot SizeThe size of the land the home sits on, from county records.
1971
Year BuiltThe year the home was originally built, according to county records.
2
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$5.6M
$2.9M low$8.3M high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$6,672 (2026)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$600,912 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$594,909
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$6,003
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$600,912
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$600,912

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.59
62
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.
40
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
70
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. 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.99 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.Rural Residence
CountyNAPA
Lot (acres)The size of the land the home sits on, from county records.40.37
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
FireplaceWhether the home has a fireplace, and what kind.Yes
PoolWhether the property has a pool, and what kind, such as in-ground.Yes

Transaction History(12)

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 · 1.4 mi
M
Calistoga Junior/Senior High SchoolC
Middle · Grades 7–12 · 1.6 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

505 Petrified Forest 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.

  • Among the most valuable homes in Napa County
  • Among the highest price per square foot in Calistoga 94515
  • Among the smallest homes in Napa County
  • Among the largest lots in Calistoga 94515

What homes are worth in Calistoga 94515

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

This home
$479K$5.6M

This home is worth more than 98% 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.

Estimated value$5,612,497
CheaperTypical $1,041,938Pricier

Pricier than 98% of homes nearby

Price per ft²$10856
CheaperTypical $648Pricier

Pricier than almost all homes nearby

Living area517 ft²
SmallerTypical 1,581 ft²Bigger

Smaller than almost all homes nearby

Lot size40.37 ac
SmallerTypical 0.33 acBigger

Bigger than almost all homes nearby

Year built1971
OlderTypical 1972Newer

Newer than 49% of homes nearby

How 505 Petrified Forest Rd ranks against every home in each area.
MeasureThis homeCalistoga 94515Napa County
Estimated valuepricier than$5,612,49798% of homesalmost all homes
Price per ft²pricier than$10856almost all homesalmost all homes
Living areabigger than517 ft²almost no homesalmost no homes
Lot sizebigger than40.37 acalmost all homesalmost all homes
Year builtnewer than197149% of homes48% of homes

About 505 Petrified Forest Rd

How much is 505 Petrified Forest Rd, Calistoga, CA worth?

The TopHap Estimate for 505 Petrified Forest Rd, Calistoga, CA is $5,612,497 as of Sep 24, 2026. The likely range is $2,937,084 to $8,287,910. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 505 Petrified Forest Rd, Calistoga, CA last sell?

505 Petrified Forest Rd, Calistoga, CA last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 505 Petrified Forest Rd, Calistoga, CA?

505 Petrified Forest Rd, Calistoga, CA has 1 bedrooms, 1 bathrooms, 517 square feet of living space and a 40.37-acre lot.

When was 505 Petrified Forest Rd, Calistoga, CA built?

505 Petrified Forest Rd, Calistoga, CA was built in 1971, making it 55 years old.

What schools serve 505 Petrified Forest Rd, Calistoga, CA?

505 Petrified Forest Rd, 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 505 Petrified Forest Rd, Calistoga, CA compare to other homes in Calistoga 94515?

Among the 1,962 homes in Calistoga 94515, it is worth more than 98% of them ($5,612,497 against a typical $1,041,938), its price per square foot is higher than almost all of them ($10856 against a typical $648), it is bigger than almost none of them (517 ft² against a typical 1,581 ft²), its lot is bigger than almost all of them (40.37 ac against a typical 0.33 ac) and it is newer than 49% of them (1971 against a typical 1972). Measured against all of Napa County, it is worth more than almost all 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 505 Petrified Forest Rd, Calistoga, CA?

The 2026 property tax bill for 505 Petrified Forest Rd, Calistoga, CA was $6,672. The county assessed it at $600,912.

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