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TownhouseResidential
$325,325$334 / 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 95How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Jul 14, 2026
Last sold for $88,500 on Feb 18, 2011

643 OLIVE ST

SANTA ROSA, CA 95407
2
Beds
2 / 1
Baths
973 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.
1,045 ft²
Lot SizeThe size of the land the home sits on, from county records.
1984
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
4
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
1
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$325K
$310K low$341K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$88,500 · Feb 18, 2011
Est. Owner EquityRoughly how much of the home's value the owner would keep after paying off known loans. It is our estimate minus the loans still owed.$0
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$0
Loan-to-ValueHow much is still owed on the home compared to what it is worth. 80% means loans equal 80% of our estimate, so it shifts when the estimate does.150%
1st MortgageA loan still believed to be open on this home, in the order lenders get repaid. The first position is paid back before the second.$483,000
REVERSE MORTGAGE FUNDING LLC · 4.6% 1 · recorded Dec 19, 2018
2nd MortgageA loan still believed to be open on this home, in the order lenders get repaid. The first position is paid back before the second.$1
COMMISSIONER/HSNG & URBAN DEV

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,240 (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.$112,984 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$44,833
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$68,151
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$112,984

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.14
46
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
1
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.11 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.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.Townhouse
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.1985
Lot (acres)The size of the land the home sits on, from county records.0.02
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.Yes
FireplaceWhether the home has a fireplace, and what kind.Yes
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

Transaction History(17)

Sales and refinances filed with the county for this home. Not every transfer is a normal sale, so check the type before comparing prices.

Foreclosure Filings(1)

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

E
Luther Burbank Elementary SchoolC
Elementary · Grades KG–6 · 0.4 mi
M
Santa Rosa Middle SchoolD-
Middle · Grades 7–8 · 1.1 mi
H
Elsie Allen High SchoolD
High · Grades 9–12 · 1.9 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%

Ownership

OccupancyWhether the owner appears to live here or somewhere else. It is inferred from the mailing address on record.Owner occupied
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

643 Olive St 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 least valuable homes in Roseland
  • Costs less per square foot than 97% of homes in Sonoma County
  • Smaller than 91% of homes in Roseland
  • Among the smallest lots in Roseland

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
$362K$1M

This home is worth less than almost all 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$325,325
CheaperTypical $595,202Pricier

Cheaper than almost all homes nearby

Price per ft²$334
CheaperTypical $423Pricier

Pricier than 10% of homes nearby

Living area973 ft²
SmallerTypical 1,324 ft²Bigger

Bigger than 12% of homes nearby

Lot size1,045 ft²
SmallerTypical 0.14 acBigger

Bigger than 4% of homes nearby

Year built1984
OlderTypical 1990Newer

Newer than 45% of homes nearby

How 643 Olive St ranks against every home in each area.
MeasureThis homeRoselandSanta Rosa 95407Sonoma County
Estimated valuepricier than$325,325almost no homesalmost no homesalmost no homes
Price per ft²pricier than$3347% of homes10% of homes3% of homes
Living areabigger than973 ft²9% of homes12% of homes10% of homes
Lot sizebigger than1,045 ft²almost no homes4% of homes5% of homes
Year builtnewer than198448% of homes45% of homes61% of homes

About 643 Olive St

How much is 643 Olive St, Santa Rosa, CA worth?

The TopHap Estimate for 643 Olive St, Santa Rosa, CA is $325,325 as of Jul 14, 2026. The likely range is $309,506 to $341,144. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 643 Olive St, Santa Rosa, CA last sell?

643 Olive St, Santa Rosa, CA last sold on Feb 18, 2011 for $88,500, according to the county's recorded deed. TopHap holds 6 recorded sales for this parcel.

How big is 643 Olive St, Santa Rosa, CA?

643 Olive St, Santa Rosa, CA has 2 bedrooms, 2 bathrooms, 973 square feet of living space and a 0.02-acre lot.

When was 643 Olive St, Santa Rosa, CA built?

643 Olive St, Santa Rosa, CA was built in 1984, making it 42 years old. The building has 2 stories.

What schools serve 643 Olive St, Santa Rosa, CA?

643 Olive St, Santa Rosa, CA is assigned to Luther Burbank Elementary School (elementary), rated C; Santa Rosa Middle School (middle), rated D-; Elsie Allen High School (high), rated D. All sit in Santa Rosa High School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 643 Olive St, Santa Rosa, CA compare to other homes in Santa Rosa 95407?

Among the 9,172 homes in Santa Rosa 95407, it is worth more than almost none of them ($325,325 against a typical $595,202), its price per square foot is higher than 10% of them ($334 against a typical $423), it is bigger than 12% of them (973 ft² against a typical 1,324 ft²), its lot is bigger than 4% of them (1,045 ft² against a typical 0.14 ac) and it is newer than 45% of them (1984 against a typical 1990). Measured against all of Sonoma County, it is worth more than almost no 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 643 Olive St, Santa Rosa, CA?

The 2025 property tax bill for 643 Olive St, Santa Rosa, CA was $1,240. The county assessed it at $112,984.

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Assigned schools

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