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Rural ResidenceResidential
$892,695$735 / 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 90How 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

3450 FRANZ VALLEY RD

SANTA ROSA, CA 95404
1
Baths
1,215 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.
6 ac
Lot SizeThe size of the land the home sits on, from county records.
2009
Year BuiltThe year the home was originally built, according to county records.
1
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$893K
$806K low$980K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$285 (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.$404,227 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$404,227
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$396,301

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.23
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
88
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.Rural Residence
CountySONOMA
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
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.

M
Rincon Valley Middle SchoolB
Middle · Grades 7–8 · 5.8 mi
H
Maria Carrillo High SchoolA-
High · Grades 9–12 · 6.0 mi
E
Whited Elementary Charter SchoolB-
Elementary · Grades KG–6 · 7.0 mi

District: Santa Rosa High 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%

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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

3450 Franz 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.

  • Worth more than 65% of homes in Sonoma County
  • Costs more per square foot than 94% of homes in Santa Rosa 95404
  • Smaller than 77% of homes in Santa Rosa 95404
  • Has a bigger lot than 96% of homes in Santa Rosa 95404
  • Newer than 92% of homes in Sonoma County

What homes are worth in Santa Rosa 95404

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

This home
$349K$2.5M

This home is worth more than 58% of homes in Santa Rosa 95404.

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.

Estimated value$892,695
CheaperTypical $824,255Pricier

Pricier than 58% of homes nearby

Price per ft²$735
CheaperTypical $498Pricier

Pricier than 94% of homes nearby

Living area1,215 ft²
SmallerTypical 1,697 ft²Bigger

Bigger than 23% of homes nearby

Lot size6 ac
SmallerTypical 0.18 acBigger

Bigger than 96% of homes nearby

Year built2009
OlderTypical 1971Newer

Newer than 86% of homes nearby

How 3450 Franz Valley Rd ranks against every home in each area.
MeasureThis homeSanta Rosa 95404Sonoma County
Estimated valuepricier than$892,69558% of homes65% of homes
Price per ft²pricier than$73594% of homes89% of homes
Living areabigger than1,215 ft²23% of homes25% of homes
Lot sizebigger than6 ac96% of homes95% of homes
Year builtnewer than200986% of homes92% of homes

About 3450 Franz Valley Rd

How much is 3450 Franz Valley Rd, Santa Rosa, CA worth?

The TopHap Estimate for 3450 Franz Valley Rd, Santa Rosa, CA is $892,695 as of Sep 24, 2026. The likely range is $805,801 to $979,589. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 3450 Franz Valley Rd, Santa Rosa, CA last sell?

3450 Franz Valley Rd, Santa Rosa, CA last sold on Aug 4, 2005, according to the county's recorded deed.

How big is 3450 Franz Valley Rd, Santa Rosa, CA?

3450 Franz Valley Rd, Santa Rosa, CA has 1 bathrooms and 1,215 square feet of living space.

When was 3450 Franz Valley Rd, Santa Rosa, CA built?

3450 Franz Valley Rd, Santa Rosa, CA was built in 2009, making it 17 years old.

What schools serve 3450 Franz Valley Rd, Santa Rosa, CA?

3450 Franz Valley Rd, Santa Rosa, CA is assigned to Rincon Valley Middle School (middle), rated B; Maria Carrillo High School (high), rated A-; Whited Elementary Charter School (elementary), rated B-. All sit in Santa Rosa High School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 3450 Franz Valley Rd, Santa Rosa, CA compare to other homes in Santa Rosa 95404?

Among the 12,324 homes in Santa Rosa 95404, it is worth more than 58% of them ($892,695 against a typical $824,255), its price per square foot is higher than 94% of them ($735 against a typical $498), it is bigger than 23% of them (1,215 ft² against a typical 1,697 ft²), its lot is bigger than 96% of them (6 ac against a typical 0.18 ac) and it is newer than 86% of them (2009 against a typical 1971). Measured against all of Sonoma County, it is worth more than 65% 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 3450 Franz Valley Rd, Santa Rosa, CA?

The 2025 property tax bill for 3450 Franz Valley Rd, Santa Rosa, CA was $285. The county assessed it at $404,227.

More homes on Franz Valley Rd

Closest homes

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