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Multi-Family Dwellings (Generic, Any Combination)Residential
$615,163$509 / 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 79How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Aug 30, 2026

4109 SANTA ROSA AVE

SANTA ROSA, CA 95407
3
Beds
1
Baths
1,208 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.
1.66 ac
Lot SizeThe size of the land the home sits on, from county records.
1925
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
3
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$615K
$486K low$745K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,748 (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.$186,624 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$162,208
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$24,416
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$182,966

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.29
48
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
71
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.13 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.0.2 percent flood zone

Scores 0–100; higher = greater projected risk.

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Multi-Family Dwellings (Generic, Any Combination)
StyleThe architectural style of the home, such as ranch or colonial.Custom Design
CountySONOMA
Effective Year BuiltAn adjusted build year that accounts for condition and major remodels. A big renovation can make a home count as newer than it is.1974
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
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.No

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

E
Taylor Mountain Elementary SchoolD
Elementary · Grades PK–6 · 1.6 mi
H
Elsie Allen High SchoolD-
High · Grades 9–12 · 2.2 mi
M
Hilliard Comstock Middle SchoolF
Middle · Grades 7–8 · 5.7 mi

District: Santa Rosa High School District

Neighborhood · ZIP 95407These 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.89
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 100.460

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.96%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.13%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.14%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.4%
PopulationHow many people live in this area.44,580
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,957 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$74,343
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$96,028
Average tempThe average temperature here across a full year.58°F
Annual precipHow much rain and melted snow falls here in a typical year.35 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

4109 Santa Rosa 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.

  • Worth less than 75% of homes in Sonoma County
  • Costs more per square foot than 82% of homes in Santa Rosa 95407
  • Smaller than 76% of homes in Sonoma County
  • Has a bigger lot than 88% of homes in Sonoma County
  • Older than 97% of homes in Santa Rosa 95407

What homes are worth in Santa Rosa 95407

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

This home
$359K$963K

This home is worth more than 57% of homes in Santa Rosa 95407.

How it measures up in Santa Rosa 95407

The dot is this home. The mark in the middle is the typical home in Santa Rosa 95407.

Estimated value$615,163
CheaperTypical $591,945Pricier

Pricier than 57% of homes nearby

Price per ft²$509
CheaperTypical $424Pricier

Pricier than 82% of homes nearby

Living area1,208 ft²
SmallerTypical 1,330 ft²Bigger

Bigger than 33% of homes nearby

Lot size1.66 ac
SmallerTypical 0.14 acBigger

Bigger than 86% of homes nearby

Year built1925
OlderTypical 1990Newer

Newer than 3% of homes nearby

How 4109 Santa Rosa Ave ranks against every home in each area.
MeasureThis homeSanta Rosa 95407Sonoma County
Estimated valuepricier than$615,16357% of homes25% of homes
Price per ft²pricier than$50982% of homes58% of homes
Living areabigger than1,208 ft²33% of homes24% of homes
Lot sizebigger than1.66 ac86% of homes88% of homes
Year builtnewer than19253% of homes6% of homes

About 4109 Santa Rosa Ave

How much is 4109 Santa Rosa Ave, Santa Rosa, CA worth?

The TopHap Estimate for 4109 Santa Rosa Ave, Santa Rosa, CA is $615,163 as of Aug 30, 2026. The likely range is $485,746 to $744,580. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 4109 Santa Rosa Ave, Santa Rosa, CA last sell?

4109 Santa Rosa Ave, Santa Rosa, CA last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 4109 Santa Rosa Ave, Santa Rosa, CA?

4109 Santa Rosa Ave, Santa Rosa, CA has 3 bedrooms, 1 bathrooms and 1,208 square feet of living space.

When was 4109 Santa Rosa Ave, Santa Rosa, CA built?

4109 Santa Rosa Ave, Santa Rosa, CA was built in 1925, making it 101 years old. It is a custom design home. The building has 1 story.

What schools serve 4109 Santa Rosa Ave, Santa Rosa, CA?

4109 Santa Rosa Ave, Santa Rosa, CA is assigned to Taylor Mountain Elementary School (elementary), rated D; Elsie Allen High School (high), rated D-; Hilliard Comstock Middle School (middle), rated F. All sit in Santa Rosa High School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 4109 Santa Rosa Ave, Santa Rosa, CA compare to other homes in Santa Rosa 95407?

Among the 9,358 homes in Santa Rosa 95407, it is worth more than 57% of them ($615,163 against a typical $591,945), its price per square foot is higher than 82% of them ($509 against a typical $424), it is bigger than 33% of them (1,208 ft² against a typical 1,330 ft²), its lot is bigger than 86% of them (1.66 ac against a typical 0.14 ac) and it is newer than 3% of them (1925 against a typical 1990). Measured against all of Sonoma County, it is worth more than 25% 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 4109 Santa Rosa Ave, Santa Rosa, CA?

The 2025 property tax bill for 4109 Santa Rosa Ave, Santa Rosa, CA was $2,748. The county assessed it at $186,624.

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