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Planned Unit Development (Pud)Residential
$1,759,108$317 / 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 89How 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
Last sold for $1,127,500 on Aug 27, 2004

1855 HAPPY VALLEY RD

SANTA ROSA, CA 95409
5
Beds
4 / 2
Baths
5,548 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.
1992
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
5
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

$1.8M
$1.6M low$1.9M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$1,127,500 · Aug 27, 2004

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$19,065 (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.$1,665,857 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$460,894
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$1,204,963
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$1,633,194

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.19
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
67
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.
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.Planned Unit Development (Pud)
CountySONOMA
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.Garage, Attached
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(1)

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
Madrone Elementary SchoolB
Elementary · Grades KG–6 · 1.0 mi
M
Rincon Valley Middle SchoolC+
Middle · Grades 7–8 · 1.7 mi
H
Maria Carrillo High SchoolA+
High · Grades 9–12 · 2.1 mi

District: Santa Rosa High School District

Neighborhood · ZIP 95409These 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.105
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.83
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.459

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.95%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.28%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.7.0%
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.24,776
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.847 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$99,190
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$126,830
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

1855 Happy Valley 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 Santa Rosa 95409
  • Among the lowest price per square foot in Santa Rosa 95409
  • Among the largest homes in Sonoma County
  • Has a bigger lot than 91% of homes in Santa Rosa 95409
  • Newer than 80% of homes in Santa Rosa 95409

What homes are worth in Santa Rosa 95409

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

This home
$371K$1.7M

This home is worth more than almost all homes in Santa Rosa 95409.

How it measures up in Santa Rosa 95409

The dot is this home. The mark in the middle is the typical home in Santa Rosa 95409.

Estimated value$1,759,108
CheaperTypical $779,281Pricier

Pricier than almost all homes nearby

Price per ft²$317
CheaperTypical $460Pricier

Cheaper than almost all homes nearby

Living area5,548 ft²
SmallerTypical 1,671 ft²Bigger

Bigger than almost all homes nearby

Lot size1 ac
SmallerTypical 0.18 acBigger

Bigger than 91% of homes nearby

Year built1992
OlderTypical 1976Newer

Newer than 80% of homes nearby

How 1855 Happy Valley Rd ranks against every home in each area.
MeasureThis homeSanta Rosa 95409Sonoma County
Estimated valuepricier than$1,759,108almost all homes95% of homes
Price per ft²pricier than$317almost no homes2% of homes
Living areabigger than5,548 ft²almost all homesalmost all homes
Lot sizebigger than1 ac91% of homes84% of homes
Year builtnewer than199280% of homes76% of homes

About 1855 Happy Valley Rd

How much is 1855 Happy Valley Rd, Santa Rosa, CA worth?

The TopHap Estimate for 1855 Happy Valley Rd, Santa Rosa, CA is $1,759,108 as of Sep 24, 2026. The likely range is $1,568,348 to $1,949,868. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 1855 Happy Valley Rd, Santa Rosa, CA last sell?

1855 Happy Valley Rd, Santa Rosa, CA last sold on Aug 27, 2004 for $1,127,500, according to the county's recorded deed.

How big is 1855 Happy Valley Rd, Santa Rosa, CA?

1855 Happy Valley Rd, Santa Rosa, CA has 5 bedrooms, 4 bathrooms and 5,548 square feet of living space.

When was 1855 Happy Valley Rd, Santa Rosa, CA built?

1855 Happy Valley Rd, Santa Rosa, CA was built in 1992, making it 34 years old. The building has 2 stories.

What schools serve 1855 Happy Valley Rd, Santa Rosa, CA?

1855 Happy Valley Rd, Santa Rosa, CA is assigned to Madrone Elementary School (elementary), rated B; Rincon Valley Middle School (middle), rated C+; Maria Carrillo High School (high), rated A+. All sit in Santa Rosa High School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 1855 Happy Valley Rd, Santa Rosa, CA compare to other homes in Santa Rosa 95409?

Among the 10,252 homes in Santa Rosa 95409, it is worth more than almost all of them ($1,759,108 against a typical $779,281), its price per square foot is higher than almost none of them ($317 against a typical $460), it is bigger than almost all of them (5,548 ft² against a typical 1,671 ft²), its lot is bigger than 91% of them (1 ac against a typical 0.18 ac) and it is newer than 80% of them (1992 against a typical 1976). Measured against all of Sonoma County, it is worth more than 95% of 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 1855 Happy Valley Rd, Santa Rosa, CA?

The 2025 property tax bill for 1855 Happy Valley Rd, Santa Rosa, CA was $19,065. The county assessed it at $1,665,857.

More homes on Happy Valley Rd

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More homes in Santa Rosa 95409

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