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CondominiumResidential
Last sold for $721,000 on Nov 27, 2024

645 SEMILLON LN

SANTA ROSA, CA 95403
3
Beds
3 / 1
Baths
1,812 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.
1,812 ft²
Lot SizeThe size of the land the home sits on, from county records.
2023
Year BuiltThe year the home was originally built, according to county records.
3
StoriesHow many floors the home has above ground.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$721,000 · Nov 27, 2024

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$8,142 (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.$720,724 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$220,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$500,724
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$720,724

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Condominium
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.2024
Lot (acres)The size of the land the home sits on, from county records.0.04
ConstructionThe main material the home's frame and walls are built from.Wood (Unspecified)
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Attached

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
Hidden Valley Elementary SchoolA-
Elementary · Grades KG–6 · 1.4 mi
H
Santa Rosa High SchoolB-
High · Grades 9–12 · 1.8 mi
M
Santa Rosa Middle SchoolD-
Middle · Grades 7–8 · 2.5 mi

District: Santa Rosa Elementary School District

Neighborhood · ZIP 95403These 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.104
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.86
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.511

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.19%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.9.4%
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.43,826
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,997 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$96,508
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$119,029
Average tempThe average temperature here across a full year.58°F
Annual precipHow much rain and melted snow falls here in a typical year.37 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.Yes

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

645 Semillon Ln 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 79% of homes in Fountaingrove
  • Has a smaller lot than 93% of homes in Sonoma County
  • Among the newest homes in Fountaingrove

How it measures up in Santa Rosa 95403

The dot is this home. The mark in the middle is the typical home in Santa Rosa 95403.

Living area1,812 ft²
SmallerTypical 1,636 ft²Bigger

Bigger than 61% of homes nearby

Lot size1,812 ft²
SmallerTypical 0.15 acBigger

Bigger than 12% of homes nearby

Year built2023
OlderTypical 1989Newer

Newer than almost all homes nearby

How 645 Semillon Ln ranks against every home in each area.
MeasureThis homeFountaingroveSanta Rosa 95403Sonoma County
Living areabigger than1,812 ft²21% of homes61% of homes64% of homes
Lot sizebigger than1,812 ft²10% of homes12% of homes7% of homes
Year builtnewer than2023almost all homesalmost all homesalmost all homes

About 645 Semillon Ln

When did 645 Semillon Ln, Santa Rosa, CA last sell?

645 Semillon Ln, Santa Rosa, CA last sold on Nov 27, 2024 for $721,000, according to the county's recorded deed.

How big is 645 Semillon Ln, Santa Rosa, CA?

645 Semillon Ln, Santa Rosa, CA has 3 bedrooms, 3 bathrooms, 1,812 square feet of living space and a 0.04-acre lot.

When was 645 Semillon Ln, Santa Rosa, CA built?

645 Semillon Ln, Santa Rosa, CA was built in 2023, making it 3 years old. The building has 3 stories.

What schools serve 645 Semillon Ln, Santa Rosa, CA?

645 Semillon Ln, Santa Rosa, CA is assigned to Hidden Valley Elementary School (elementary), rated A-; Santa Rosa High School (high), rated B-; Santa Rosa Middle School (middle), rated D-. All sit in Santa Rosa Elementary School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 645 Semillon Ln, Santa Rosa, CA compare to other homes in Santa Rosa 95403?

Among the 12,533 homes in Santa Rosa 95403, it is bigger than 61% of them (1,812 ft² against a typical 1,636 ft²), its lot is bigger than 12% of them (1,812 ft² against a typical 0.15 ac) and it is newer than almost all of them (2023 against a typical 1989). These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 645 Semillon Ln, Santa Rosa, CA?

The 2025 property tax bill for 645 Semillon Ln, Santa Rosa, CA was $8,142. The county assessed it at $720,724.

Closest homes

More homes in Santa Rosa 95403

Assigned schools

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