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Single Family ResidenceResidential
$501,770$307 / 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 91How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Sep 24, 2026

4147 SANDRA CIR

PITTSBURG, CA 94565
3
Beds
2
Baths
1,634 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.
0.21 ac
Lot SizeThe size of the land the home sits on, from county records.
1970
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
8
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

$502K
$455K low$549K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,507 (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.$79,952 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$21,220
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$58,732
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$78,385

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.33
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
73
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
44
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
33
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
14
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.

Scores 0–100; higher = greater projected risk.

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyCONTRA COSTA
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.1971
Lot (acres)The size of the land the home sits on, from county records.0.21
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(3)

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
Stoneman Elementary SchoolD
Elementary · Grades KG–5 · 0.4 mi
M
Hillview Junior High SchoolD
Middle · Grades 6–8 · 1.1 mi
H
Pittsburg High SchoolC-
High · Grades 9–12 · 1.6 mi

District: Pittsburg Unified School District

Neighborhood · ZIP 94565These 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.83
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.85
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.393

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.97%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.16%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.11%
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.98,541
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,554 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$86,849
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$110,627
Average tempThe average temperature here across a full year.59°F
Annual precipHow much rain and melted snow falls here in a typical year.19 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

4147 Sandra Cir 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.

  • Worth less than 83% of homes in Contra Costa County
  • Costs less per square foot than 87% of homes in Contra Costa County
  • Has a bigger lot than 88% of homes in Pittsburg 94565
  • Older than 72% of homes in Pittsburg 94565

What homes are worth in Pittsburg 94565

Each bar is how many homes fall in that price range. The marker is this home.

This home
$277K$890K

This home is worth more than 43% of homes in Pittsburg 94565.

How it measures up in Pittsburg 94565

The dot is this home. The mark in the middle is the typical home in Pittsburg 94565.

Estimated value$501,770
CheaperTypical $520,901Pricier

Pricier than 43% of homes nearby

Price per ft²$307
CheaperTypical $340Pricier

Pricier than 31% of homes nearby

Living area1,634 ft²
SmallerTypical 1,499 ft²Bigger

Bigger than 60% of homes nearby

Lot size0.21 ac
SmallerTypical 0.14 acBigger

Bigger than 88% of homes nearby

Year built1970
OlderTypical 1980Newer

Newer than 28% of homes nearby

How 4147 Sandra Cir ranks against every home in each area.
MeasureThis homePittsburg 94565Contra Costa County
Estimated valuepricier than$501,77043% of homes17% of homes
Price per ft²pricier than$30731% of homes13% of homes
Living areabigger than1,634 ft²60% of homes44% of homes
Lot sizebigger than0.21 ac88% of homes71% of homes
Year builtnewer than197028% of homes39% of homes

About 4147 Sandra Cir

How much is 4147 Sandra Cir, Pittsburg, CA worth?

The TopHap Estimate for 4147 Sandra Cir, Pittsburg, CA is $501,770 as of Sep 24, 2026. The likely range is $454,824 to $548,716. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 4147 Sandra Cir, Pittsburg, CA last sell?

4147 Sandra Cir, Pittsburg, CA last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 4147 Sandra Cir, Pittsburg, CA?

4147 Sandra Cir, Pittsburg, CA has 3 bedrooms, 2 bathrooms, 1,634 square feet of living space and a 0.21-acre lot.

When was 4147 Sandra Cir, Pittsburg, CA built?

4147 Sandra Cir, Pittsburg, CA was built in 1970, making it 56 years old. The building has 1 story.

What schools serve 4147 Sandra Cir, Pittsburg, CA?

4147 Sandra Cir, Pittsburg, CA is assigned to Stoneman Elementary School (elementary), rated D; Hillview Junior High School (middle), rated D; Pittsburg High School (high), rated C-. All sit in Pittsburg Unified School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 4147 Sandra Cir, Pittsburg, CA compare to other homes in Pittsburg 94565?

Among the 24,012 homes in Pittsburg 94565, it is worth more than 43% of them ($501,770 against a typical $520,901), its price per square foot is higher than 31% of them ($307 against a typical $340), it is bigger than 60% of them (1,634 ft² against a typical 1,499 ft²), its lot is bigger than 88% of them (0.21 ac against a typical 0.14 ac) and it is newer than 28% of them (1970 against a typical 1980). Measured against all of Contra Costa County, it is worth more than 17% of 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 4147 Sandra Cir, Pittsburg, CA?

The 2025 property tax bill for 4147 Sandra Cir, Pittsburg, CA was $1,507. The county assessed it at $79,952.

More homes on Sandra Cir

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