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Mobile HomeResidential
Last sold for $3,456,500 on May 6, 2026

4001 HIGHWAY 12

SANTA ROSA, CA 95409
0
Baths
17.2 ac
Lot SizeThe size of the land the home sits on, from county records.

Valuation

Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$3,456,500 · May 6, 2026

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$27,336 (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.$2,322,835 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$930,377
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$1,392,458
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$2,277,588

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.35
97
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
53
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.94 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.Mobile Home
StyleThe architectural style of the home, such as ranch or colonial.Mobile Home
CountySONOMA
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
Whited Elementary Charter SchoolB-
Elementary · Grades KG–6 · 1.1 mi
M
Spring Lake Middle SchoolB-
Middle · Grades 7–8 · 1.7 mi
H
Maria Carrillo High SchoolA+
High · Grades 9–12 · 1.9 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

4001 Highway 12 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 lots 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.

Lot size17.2 ac
SmallerTypical 0.18 acBigger

Bigger than almost all homes nearby

How 4001 Highway 12 ranks against every home in each area.
MeasureThis homeSanta Rosa 95409Sonoma County
Lot sizebigger than17.2 acalmost all homes98% of homes

About 4001 Highway 12

When did 4001 Highway 12, Santa Rosa, CA last sell?

4001 Highway 12, Santa Rosa, CA last sold on May 6, 2026 for $3,456,500, according to the county's recorded deed.

What schools serve 4001 Highway 12, Santa Rosa, CA?

4001 Highway 12, Santa Rosa, CA is assigned to Whited Elementary Charter School (elementary), rated B-; Spring Lake Middle School (middle), rated B-; 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.

What are the property taxes on 4001 Highway 12, Santa Rosa, CA?

The 2025 property tax bill for 4001 Highway 12, Santa Rosa, CA was $27,336. The county assessed it at $2,322,835.

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Assigned schools

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