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Residential - Vacant LandResidential
Last sold for $475,000 on Feb 6, 2012

5100 KNOLLWOOD CT

SANTA ROSA, CA 95403
6
Beds
2.5
Baths
3,128 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.
0.98 ac
Lot SizeThe size of the land the home sits on, from county records.
1974
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
10
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$475,000 · Feb 6, 2012

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,823 (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.$243,415 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$243,415
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$238,643

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.21
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
78
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.Residential - Vacant Land
CountySONOMA
Lot (acres)The size of the land the home sits on, from county records.0.98
FireplaceWhether the home has a fireplace, and what kind.Yes
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(4)

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
San Miguel Elementary SchoolB+
Elementary · Grades KG–6 · 1.0 mi
H
Piner High SchoolC
High · Grades 9–12 · 3.4 mi
M
Hilliard Comstock Middle SchoolF
Middle · Grades 7–8 · 3.5 mi

District: Santa Rosa High 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%

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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

5100 Knollwood Ct 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.

  • Bigger than 95% of homes in Santa Rosa 95403
  • Has a bigger lot than 89% of homes in Santa Rosa 95403
  • Older than 80% of homes in Santa Rosa 95403

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 area3,128 ft²
SmallerTypical 1,630 ft²Bigger

Bigger than 95% of homes nearby

Lot size0.98 ac
SmallerTypical 0.15 acBigger

Bigger than 89% of homes nearby

Year built1974
OlderTypical 1989Newer

Newer than 20% of homes nearby

How 5100 Knollwood Ct ranks against every home in each area.
MeasureThis homeLarkfield-WikiupSanta Rosa 95403Sonoma County
Living areabigger than3,128 ft²94% of homes95% of homes95% of homes
Lot sizebigger than0.98 ac81% of homes89% of homes84% of homes
Year builtnewer than197428% of homes20% of homes43% of homes

About 5100 Knollwood Ct

When did 5100 Knollwood Ct, Santa Rosa, CA last sell?

5100 Knollwood Ct, Santa Rosa, CA last sold on Feb 6, 2012 for $475,000, according to the county's recorded deed.

How big is 5100 Knollwood Ct, Santa Rosa, CA?

5100 Knollwood Ct, Santa Rosa, CA has 6 bedrooms, 2.5 bathrooms, 3,128 square feet of living space and a 0.98-acre lot.

When was 5100 Knollwood Ct, Santa Rosa, CA built?

5100 Knollwood Ct, Santa Rosa, CA was built in 1974, making it 52 years old. The building has 1 story.

What schools serve 5100 Knollwood Ct, Santa Rosa, CA?

5100 Knollwood Ct, Santa Rosa, CA is assigned to San Miguel Elementary School (elementary), rated B+; Piner High School (high), rated C; 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 5100 Knollwood Ct, Santa Rosa, CA compare to other homes in Santa Rosa 95403?

Among the 12,669 homes in Santa Rosa 95403, it is bigger than 95% of them (3,128 ft² against a typical 1,630 ft²), its lot is bigger than 89% of them (0.98 ac against a typical 0.15 ac) and it is newer than 20% of them (1974 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 5100 Knollwood Ct, Santa Rosa, CA?

The 2025 property tax bill for 5100 Knollwood Ct, Santa Rosa, CA was $2,823. The county assessed it at $243,415.

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