Skip to content
Skip to content
TopHapOpen in map
Duplex (2 Units, Any Combination)Residential
Last sold for $130,000 on Nov 30, 2012

900 MARIPOSA AVE

RODEO, CA 94572
3
Beds
2.5
Baths
2,140 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.
0.11 ac
Lot SizeThe size of the land the home sits on, from county records.
1958
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.
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.$130,000 · Nov 30, 2012
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.$305,000
CITIBANK NA · recorded Feb 14, 2019

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$6,130 (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.$163,272 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$113,037
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$50,235
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$160,071

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.50
81
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
64
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
31
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
41
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
36
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.73 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.1 percent flood zone

Scores 0–100; higher = greater projected risk.

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Duplex (2 Units, Any Combination)
StyleThe architectural style of the home, such as ranch or colonial.Duplex Single
CountyCONTRA COSTA
Lot (acres)The size of the land the home sits on, from county records.0.12
RoofThe main material covering the roof, such as asphalt shingle or tile.Roll Tar & Gravel
HeatingThe type of heating system in the home.Forced Air With Air Conditioning
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Attached
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(7)

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(2)

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

E
Rodeo Hills ElementaryC+
Elementary · Grades KG–5 · 0.5 mi
M
Carquinez Middle SchoolC
Middle · Grades 6–8 · 2.5 mi
H
John Swett High SchoolB-
High · Grades 9–12 · 2.5 mi

District: John Swett Unified School District

Neighborhood · ZIP 94572These 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.97
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.83
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.372

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.98%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.20%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.12%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.5%
PopulationHow many people live in this area.9,214
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,342 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$95,102
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$118,996
Average tempThe average temperature here across a full year.58°F
Annual precipHow much rain and melted snow falls here in a typical year.22 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

900 Mariposa Ave 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 88% of homes in Rodeo 94572
  • Has a smaller lot than 82% of homes in Rodeo 94572
  • Older than 76% of homes in Contra Costa County

How it measures up in Rodeo 94572

The dot is this home. The mark in the middle is the typical home in Rodeo 94572.

Living area2,140 ft²
SmallerTypical 1,426 ft²Bigger

Bigger than 88% of homes nearby

Lot size0.11 ac
SmallerTypical 0.15 acBigger

Bigger than 18% of homes nearby

Year built1958
OlderTypical 1973Newer

Newer than 36% of homes nearby

How 900 Mariposa Ave ranks against every home in each area.
MeasureThis homeRodeo 94572Contra Costa County
Living areabigger than2,140 ft²88% of homes67% of homes
Lot sizebigger than0.11 ac18% of homes28% of homes
Year builtnewer than195836% of homes24% of homes

About 900 Mariposa Ave

When did 900 Mariposa Ave, Rodeo, CA last sell?

900 Mariposa Ave, Rodeo, CA last sold on Nov 30, 2012 for $130,000, according to the county's recorded deed. TopHap holds 5 recorded sales for this parcel.

How big is 900 Mariposa Ave, Rodeo, CA?

900 Mariposa Ave, Rodeo, CA has 3 bedrooms, 2.5 bathrooms, 2,140 square feet of living space and a 0.12-acre lot.

When was 900 Mariposa Ave, Rodeo, CA built?

900 Mariposa Ave, Rodeo, CA was built in 1958, making it 68 years old. It is a duplex single home. The building has 1 story.

What schools serve 900 Mariposa Ave, Rodeo, CA?

900 Mariposa Ave, Rodeo, CA is assigned to Rodeo Hills Elementary (elementary), rated C+; Carquinez Middle School (middle), rated C; John Swett High School (high), rated B-. All sit in John Swett Unified School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 900 Mariposa Ave, Rodeo, CA compare to other homes in Rodeo 94572?

Among the 2,447 homes in Rodeo 94572, it is bigger than 88% of them (2,140 ft² against a typical 1,426 ft²), its lot is bigger than 18% of them (0.11 ac against a typical 0.15 ac) and it is newer than 36% of them (1958 against a typical 1973). These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 900 Mariposa Ave, Rodeo, CA?

The 2025 property tax bill for 900 Mariposa Ave, Rodeo, CA was $6,130. The county assessed it at $163,272.

More homes on Mariposa Ave

Closest homes

More homes in Rodeo 94572

Assigned schools

Explore the area

See this home in context

Open 900 Mariposa Ave on TopHap’s interactive map to compare it against every sale nearby, overlay school zones and flood risk, and run a CMA.

Open in map
A flyover of TopHap's photorealistic 3D map, with recorded sale prices pinned to homes
Search any address, city, zip, or county…3D$1.9M$6.25MOpen in map