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Apartments (Generic)Residential
Last sold for $19,840,000 on Jan 9, 2019

4265 CLAYTON RD

CONCORD, CA 94521
0
Baths
47,890 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.
2.3 ac
Lot SizeThe size of the land the home sits on, from county records.
1984
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
73
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.$19,840,000 · Jan 9, 2019

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$309,694 (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.$22,578,832 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$10,240,463
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$12,338,369
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$22,137,333

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.32
25
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
42
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
43
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
36
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.
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.0.2 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.Apartments (Generic)
CountyCONTRA COSTA
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
Westwood Elementary SchoolC-
Elementary · Grades KG–5 · 0.7 mi
M
El Dorado Middle SchoolD+
Middle · Grades 6–8 · 0.7 mi
H
Concord High SchoolC+
High · Grades 9–12 · 0.9 mi

District: Mount Diablo Unified School District

Neighborhood · ZIP 94521These 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.96
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.84
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.556

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.27%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.6.3%
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.43,000
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.3,071 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$121,996
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$147,183
Average tempThe average temperature here across a full year.58°F
Annual precipHow much rain and melted snow falls here in a typical year.20 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

4265 Clayton Rd 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.

  • Among the largest homes in East Concord
  • Among the largest lots in East Concord
  • Newer than 97% of homes in East Concord

How it measures up in Concord 94521

The dot is this home. The mark in the middle is the typical home in Concord 94521.

Living area47,890 ft²
SmallerTypical 1,588 ft²Bigger

Bigger than almost all homes nearby

Lot size2.3 ac
SmallerTypical 0.17 acBigger

Bigger than almost all homes nearby

Year built1984
OlderTypical 1972Newer

Newer than 83% of homes nearby

How 4265 Clayton Rd ranks against every home in each area.
MeasureThis homeEast ConcordConcord 94521Contra Costa County
Living areabigger than47,890 ft²almost all homesalmost all homesalmost all homes
Lot sizebigger than2.3 acalmost all homesalmost all homes98% of homes
Year builtnewer than198497% of homes83% of homes61% of homes

About 4265 Clayton Rd

When did 4265 Clayton Rd, Concord, CA last sell?

4265 Clayton Rd, Concord, CA last sold on Jan 9, 2019 for $19,840,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

When was 4265 Clayton Rd, Concord, CA built?

4265 Clayton Rd, Concord, CA was built in 1984, making it 42 years old. The building has 1 story.

What schools serve 4265 Clayton Rd, Concord, CA?

4265 Clayton Rd, Concord, CA is assigned to Westwood Elementary School (elementary), rated C-; El Dorado Middle School (middle), rated D+; Concord High School (high), rated C+. All sit in Mount Diablo Unified School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 4265 Clayton Rd, Concord, CA compare to other homes in Concord 94521?

Among the 14,273 homes in Concord 94521, it is bigger than almost all of them (47,890 ft² against a typical 1,588 ft²), its lot is bigger than almost all of them (2.3 ac against a typical 0.17 ac) and it is newer than 83% of them (1984 against a typical 1972). These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 4265 Clayton Rd, Concord, CA?

The 2025 property tax bill for 4265 Clayton Rd, Concord, CA was $309,694. The county assessed it at $22,578,832.

More homes on Clayton Rd

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More homes in Concord 94521

Assigned schools

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