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Single Family ResidenceResidential
$988,982$335 / 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
Last sold for $650,000 on Apr 1, 2015

1771 CASTELLINA DR

BRENTWOOD, CA 94513
4
Beds
2.5
Baths
2,952 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.
0.3 ac
Lot SizeThe size of the land the home sits on, from county records.
2001
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
9
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

$989K
$900K low$1.1M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$650,000 · Apr 1, 2015

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$9,530 (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.$796,817 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$202,268
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$594,549
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$781,194

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.31
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
59
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.
28
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
25
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
Lot (acres)The size of the land the home sits on, from county records.0.30
CoolingThe type of cooling or air conditioning in the home.Central
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.Yes

Transaction History(10)

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
Loma Vista Elementary SchoolA-
Elementary · Grades KG–5 · 0.3 mi
M
William B. Bristow Middle SchoolB-
Middle · Grades 6–8 · 0.8 mi
H
Heritage High SchoolA-
High · Grades 9–12 · 1.7 mi

District: Brentwood Union Elementary School District

Neighborhood · ZIP 94513These 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.48
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 100.368

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.26%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.6.8%
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.76,553
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.833 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$129,971
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$155,579
Average tempThe average temperature here across a full year.60°F
Annual precipHow much rain and melted snow falls here in a typical year.16 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

1771 Castellina 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.

  • Worth more than 86% of homes in Brentwood 94513
  • Costs less per square foot than 80% of homes in Contra Costa County
  • Bigger than 88% of homes in Contra Costa County
  • Has a bigger lot than 90% of homes in Brentwood 94513
  • Newer than 84% of homes in Contra Costa County

What homes are worth in Brentwood 94513

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

This home
$431K$1.3M

This home is worth more than 86% of homes in Brentwood 94513.

How it measures up in Brentwood 94513

The dot is this home. The mark in the middle is the typical home in Brentwood 94513.

Estimated value$988,982
CheaperTypical $750,135Pricier

Pricier than 86% of homes nearby

Price per ft²$335
CheaperTypical $331Pricier

Pricier than 53% of homes nearby

Living area2,952 ft²
SmallerTypical 2,249 ft²Bigger

Bigger than 77% of homes nearby

Lot size0.3 ac
SmallerTypical 0.16 acBigger

Bigger than 90% of homes nearby

Year built2001
OlderTypical 2002Newer

Newer than 46% of homes nearby

How 1771 Castellina Dr ranks against every home in each area.
MeasureThis homeBrentwood 94513Contra Costa County
Estimated valuepricier than$988,98286% of homes67% of homes
Price per ft²pricier than$33553% of homes20% of homes
Living areabigger than2,952 ft²77% of homes88% of homes
Lot sizebigger than0.3 ac90% of homes84% of homes
Year builtnewer than200146% of homes84% of homes

About 1771 Castellina Dr

How much is 1771 Castellina Dr, Brentwood, CA worth?

The TopHap Estimate for 1771 Castellina Dr, Brentwood, CA is $988,982 as of Sep 24, 2026. The likely range is $900,400 to $1,077,564. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 1771 Castellina Dr, Brentwood, CA last sell?

1771 Castellina Dr, Brentwood, CA last sold on Apr 1, 2015 for $650,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 1771 Castellina Dr, Brentwood, CA?

1771 Castellina Dr, Brentwood, CA has 4 bedrooms, 2.5 bathrooms, 2,952 square feet of living space and a 0.30-acre lot.

When was 1771 Castellina Dr, Brentwood, CA built?

1771 Castellina Dr, Brentwood, CA was built in 2001, making it 25 years old. The building has 1 story.

What schools serve 1771 Castellina Dr, Brentwood, CA?

1771 Castellina Dr, Brentwood, CA is assigned to Loma Vista Elementary School (elementary), rated A-; William B. Bristow Middle School (middle), rated B-; Heritage High School (high), rated A-. All sit in Brentwood Union Elementary School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 1771 Castellina Dr, Brentwood, CA compare to other homes in Brentwood 94513?

Among the 21,449 homes in Brentwood 94513, it is worth more than 86% of them ($988,982 against a typical $750,135), its price per square foot is higher than 53% of them ($335 against a typical $331), it is bigger than 77% of them (2,952 ft² against a typical 2,249 ft²), its lot is bigger than 90% of them (0.3 ac against a typical 0.16 ac) and it is newer than 46% of them (2001 against a typical 2002). Measured against all of Contra Costa County, it is worth more than 67% 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 1771 Castellina Dr, Brentwood, CA?

The 2025 property tax bill for 1771 Castellina Dr, Brentwood, CA was $9,530. The county assessed it at $796,817.

More homes on Castellina Dr

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Assigned schools

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