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CondominiumResidential
$398,120$384 / 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 95How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Aug 30, 2026
Last sold for $370,000 on Oct 24, 2018

3901 CLAYTON RD

CONCORD, CA 94521
Building report
2
Beds
1.5
Baths
1,038 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.
545 ft²
Lot SizeThe size of the land the home sits on, from county records.
1980
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
5
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
1
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$398K
$379K low$417K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$370,000 · Oct 24, 2018

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$5,466 (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.$420,990 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$227,563
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$193,427
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$412,736

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.34
44
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.
41
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
32
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.
Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.7 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.34%

Scores 0–100; higher = greater projected risk.

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Condominium
StyleThe architectural style of the home, such as ranch or colonial.Condo/Apartment
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.1991
Lot (acres)The size of the land the home sits on, from county records.0.01
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.No

Transaction History(8)

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.

M
El Dorado Middle SchoolD+
Middle · Grades 6–8 · 0.9 mi
E
Wren Avenue Elementary SchoolF
Elementary · Grades KG–5 · 1.1 mi
H
Concord High SchoolC+
High · Grades 9–12 · 1.1 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

3901 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.

  • Worth less than 94% of homes in East Concord
  • Costs less per square foot than 80% of homes in Concord 94521
  • Smaller than 93% of homes in East Concord
  • Among the smallest lots in Concord 94521
  • Newer than 95% of homes in East Concord

What homes are worth in Concord 94521

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

This home
$289K$1.5M

This home is worth more than 11% of homes in Concord 94521.

How it measures up in Concord 94521

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

Estimated value$398,120
CheaperTypical $730,017Pricier

Pricier than 11% of homes nearby

Price per ft²$384
CheaperTypical $439Pricier

Pricier than 20% of homes nearby

Living area1,038 ft²
SmallerTypical 1,591 ft²Bigger

Bigger than 12% of homes nearby

Lot size545 ft²
SmallerTypical 0.17 acBigger

Smaller than almost all homes nearby

Year built1980
OlderTypical 1972Newer

Newer than 76% of homes nearby

How 3901 Clayton Rd ranks against every home in each area.
MeasureThis homeEast ConcordConcord 94521Contra Costa County
Estimated valuepricier than$398,1206% of homes11% of homes7% of homes
Price per ft²pricier than$38426% of homes20% of homes32% of homes
Living areabigger than1,038 ft²7% of homes12% of homes11% of homes
Lot sizebigger than545 ft²almost no homesalmost no homesalmost no homes
Year builtnewer than198095% of homes76% of homes57% of homes

About 3901 Clayton Rd

How much is 3901 Clayton Rd, Concord, CA worth?

The TopHap Estimate for 3901 Clayton Rd, Concord, CA is $398,120 as of Aug 30, 2026. The likely range is $379,160 to $417,080. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 3901 Clayton Rd, Concord, CA last sell?

3901 Clayton Rd, Concord, CA last sold on Oct 24, 2018 for $370,000, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 3901 Clayton Rd, Concord, CA?

3901 Clayton Rd, Concord, CA has 2 bedrooms, 1.5 bathrooms, 1,038 square feet of living space and a 0.01-acre lot.

When was 3901 Clayton Rd, Concord, CA built?

3901 Clayton Rd, Concord, CA was built in 1980, making it 46 years old. It is a condo/apartment home. The building has 2 stories.

What schools serve 3901 Clayton Rd, Concord, CA?

3901 Clayton Rd, Concord, CA is assigned to El Dorado Middle School (middle), rated D+; Wren Avenue Elementary School (elementary), rated F; 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 3901 Clayton Rd, Concord, CA compare to other homes in Concord 94521?

Among the 14,273 homes in Concord 94521, it is worth more than 11% of them ($398,120 against a typical $730,017), its price per square foot is higher than 20% of them ($384 against a typical $439), it is bigger than 12% of them (1,038 ft² against a typical 1,591 ft²), its lot is bigger than almost none of them (545 ft² against a typical 0.17 ac) and it is newer than 76% of them (1980 against a typical 1972). Measured against all of Contra Costa County, it is worth more than 7% 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 3901 Clayton Rd, Concord, CA?

The 2025 property tax bill for 3901 Clayton Rd, Concord, CA was $5,466. The county assessed it at $420,990.

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