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Residential - Vacant LandResidential
Last sold for $250,000 on Oct 22, 2025

21 CHELSEA DR

SANTA ROSA, CA 95403
3
Beds
2
Baths
1,865 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.
0.27 ac
Lot SizeThe size of the land the home sits on, from county records.
1972
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
6
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.$250,000 · Oct 22, 2025

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,749 (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.$232,114 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$232,114
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$232,114

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.12 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.Residential - Vacant Land
CountySonoma
Lot (acres)The size of the land the home sits on, from county records.0.27
ConstructionThe main material the home's frame and walls are built from.Wood Frame
HeatingThe type of heating system in the home.None
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(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
John B. Riebli Elementary SchoolB
Elementary · Grades KG–6 · 0.4 mi
H
Piner High SchoolC
High · Grades 9–12 · 2.7 mi
M
Hilliard Comstock Middle SchoolF
Middle · Grades 7–8 · 2.7 mi

District: Mark West Union 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.Owner occupied
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

21 Chelsea Dr 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 67% of homes in Sonoma County
  • Has a bigger lot than 79% of homes in Santa Rosa 95403
  • Older than 83% 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 area1,865 ft²
SmallerTypical 1,629 ft²Bigger

Bigger than 65% of homes nearby

Lot size0.27 ac
SmallerTypical 0.15 acBigger

Bigger than 79% of homes nearby

Year built1972
OlderTypical 1989Newer

Newer than 17% of homes nearby

How 21 Chelsea Dr ranks against every home in each area.
MeasureThis homeLarkfield-WikiupSanta Rosa 95403Sonoma County
Living areabigger than1,865 ft²45% of homes65% of homes67% of homes
Lot sizebigger than0.27 ac57% of homes79% of homes68% of homes
Year builtnewer than197225% of homes17% of homes39% of homes

About 21 Chelsea Dr

When did 21 Chelsea Dr, Santa Rosa, CA last sell?

21 Chelsea Dr, Santa Rosa, CA last sold on Oct 22, 2025 for $250,000, according to the county's recorded deed.

How big is 21 Chelsea Dr, Santa Rosa, CA?

21 Chelsea Dr, Santa Rosa, CA has 3 bedrooms, 2 bathrooms, 1,865 square feet of living space and a 0.27-acre lot.

When was 21 Chelsea Dr, Santa Rosa, CA built?

21 Chelsea Dr, Santa Rosa, CA was built in 1972, making it 54 years old. The building has 1 story.

What schools serve 21 Chelsea Dr, Santa Rosa, CA?

21 Chelsea Dr, Santa Rosa, CA is assigned to John B. Riebli Elementary School (elementary), rated B; Piner High School (high), rated C; Hilliard Comstock Middle School (middle), rated F. All sit in Mark West Union Elementary School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 21 Chelsea Dr, Santa Rosa, CA compare to other homes in Santa Rosa 95403?

Among the 12,533 homes in Santa Rosa 95403, it is bigger than 65% of them (1,865 ft² against a typical 1,629 ft²), its lot is bigger than 79% of them (0.27 ac against a typical 0.15 ac) and it is newer than 17% of them (1972 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 21 Chelsea Dr, Santa Rosa, CA?

The 2025 property tax bill for 21 Chelsea Dr, Santa Rosa, CA was $2,749. The county assessed it at $232,114.

Closest homes

More homes in Santa Rosa 95403

Assigned schools

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