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Triplex (3 Units, Any Combination)Residential

816 ASTON AVE

SANTA ROSA, CA 95404
2
Beds
1
Baths
856 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.
0.7 ac
Lot SizeThe size of the land the home sits on, from county records.
1939
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,751 (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.$397,860 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$244,177
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$153,683
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$397,860

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.20
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
72
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.Triplex (3 Units, Any Combination)
CountySonoma
Lot (acres)The size of the land the home sits on, from county records.0.70
ConstructionThe main material the home's frame and walls are built from.Wood (Unspecified)

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

M
Montgomery High SchoolB
Middle · Grades 7–12 · 1.6 mi
E
Proctor Terrace Elementary SchoolC
Elementary · Grades KG–6 · 1.9 mi

District: Santa Rosa Elementary School District

Neighborhood · ZIP 95404These 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.102
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.82
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.598

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.94%
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.8.5%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.2%
PopulationHow many people live in this area.43,241
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.541 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$104,299
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$140,649
Average tempThe average temperature here across a full year.58°F
Annual precipHow much rain and melted snow falls here in a typical year.43 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.78%

Ownership

OccupancyWhether the owner appears to live here or somewhere else. It is inferred from the mailing address on record.Absentee owner
Company ownedWhether the owner is a company or trust rather than a person.No

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

816 Aston Ave 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.

  • Smaller than 94% of homes in Santa Rosa 95404
  • Has a bigger lot than 81% of homes in Sonoma County
  • Older than 91% of homes in Sonoma County

How it measures up in Santa Rosa 95404

The dot is this home. The mark in the middle is the typical home in Santa Rosa 95404.

Living area856 ft²
SmallerTypical 1,692 ft²Bigger

Bigger than 6% of homes nearby

Lot size0.7 ac
SmallerTypical 0.18 acBigger

Bigger than 79% of homes nearby

Year built1939
OlderTypical 1970Newer

Newer than 14% of homes nearby

How 816 Aston Ave ranks against every home in each area.
MeasureThis homeSanta Rosa 95404Sonoma County
Living areabigger than856 ft²6% of homes6% of homes
Lot sizebigger than0.7 ac79% of homes81% of homes
Year builtnewer than193914% of homes9% of homes

About 816 Aston Ave

How big is 816 Aston Ave, Santa Rosa, CA?

816 Aston Ave, Santa Rosa, CA has 2 bedrooms, 1 bathrooms, 856 square feet of living space and a 0.70-acre lot.

When was 816 Aston Ave, Santa Rosa, CA built?

816 Aston Ave, Santa Rosa, CA was built in 1939, making it 87 years old. The building has 1 story.

What schools serve 816 Aston Ave, Santa Rosa, CA?

816 Aston Ave, Santa Rosa, CA is assigned to Montgomery High School (middle), rated B; Proctor Terrace Elementary School (elementary), rated C. All sit in Santa Rosa Elementary School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 816 Aston Ave, Santa Rosa, CA compare to other homes in Santa Rosa 95404?

Among the 12,066 homes in Santa Rosa 95404, it is bigger than 6% of them (856 ft² against a typical 1,692 ft²), its lot is bigger than 79% of them (0.7 ac against a typical 0.18 ac) and it is newer than 14% of them (1939 against a typical 1970). These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 816 Aston Ave, Santa Rosa, CA?

The 2025 property tax bill for 816 Aston Ave, Santa Rosa, CA was $4,751. The county assessed it at $397,860.

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Assigned schools

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