Skip to content
Skip to content
TopHapOpen in map
CondominiumResidential

3905 Clayton Rd

CONCORD, CA 94521
513 ft²
Lot SizeThe size of the land the home sits on, from county records.
1973
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
1
ParkingThe number of parking spaces on the property, including the garage.
Built 197138 units1,050–1,050 ft²
$13M
All units combinedThe sum of our current value estimates for every unit in the building — roughly what the whole building's homes are worth together.
$340K
Median unit valueThe middle unit value in this building by our estimate: half the units are worth more, half less.
$323
Median $/ft²The middle price per square foot across the building's units, by our current estimates. Useful for comparing units of different sizes.

-28.3%vs the Concord ZIP median sale $/ft² ($451)

Sales Performance

$320K
Median sale (12 mo)The middle sale price among this building's units that sold in the last 12 months, from recorded deeds.
-3.0%
1-yr changeHow the building's median sale price over the last 12 months compares with the 12 months before that.
1
Sales (12 mo)Units in this building that sold in the last 12 months, from recorded arms-length deeds.
2.6%
Turnover (12 mo)The share of units that changed hands in the last 12 months. Around 4–6% a year is typical; much higher can signal investor churn or a wave of exits.
This building's own appreciationThe building's own appreciation: for every unit that sold twice (held over a year), we compute its yearly price change between the two sales and take the middle value. This is the cleanest read on how this specific building performs, because it compares each unit to itself.
+6.7%per yeartypical hold 6.9 yrsfrom 70 same-unit resales
Median sale price (yearly, all time)Every recorded arms-length sale in the building since records begin, grouped by year: the bars count sales and the line tracks the median price paid.MedianSales
19811990199620022009201420202026
Sale price per ft² (yearly, all time)The middle price per square foot across the building's units, by our current estimates. Useful for comparing units of different sizes.$/ft²
19811990199620022009201420202026

108 arms-length sales on record for this building.

Unit Mix & Floor PlansThe building's recurring floor plans, found by grouping units with identical beds, baths and square footage in county records. Larger groups are the building's standard layouts; leftover units have one-off sizes.

Every unit: size vs estimated valueEvery unit in the building as one dot: across is its size, up is our current value estimate, and color is its bedroom count. Vertical columns of dots are recurring floor plans; the height spread within a column shows how much floor, view and condition move prices for the same layout.
$279K$319K$358K$398K1,050 ft²1,050 ft²1,050 ft²1,050 ft²1,050 ft²1,050 ft²
2 bd
2 bed
38 units
Recurring floor plansThe building's recurring floor plans, found by grouping units with identical beds, baths and square footage in county records. Larger groups are the building's standard layouts; leftover units have one-off sizes.
2 bd · 1.5 ba · 1,050 ft²
38 units

Value DistributionHow the building's units spread across value ranges by our current estimates. A wide spread usually means big differences in size, floor or view.

$279K–$279K
1 unit
$315K–$322K
5 units
$324K–$338K
13 units
$341K–$352K
13 units
$356K–$362K
2 units
$369K–$374K
3 units
$398K–$398K
1 unit

Ownership & Financing

Owner-occupiedThe share of units where the owner lives in the unit, per county records. The rest are second homes or rentals.53%
Company-ownedUnits owned through an LLC, trust, or other company — a rough proxy for investor ownership.24%
Typical owner tenureThe middle number of years since each unit last changed hands — how long the current owners have been in place.12.9 yrs
Cash purchases (5 yrs)The share of purchases in the last 5 years with no mortgage recorded. High cash share is common in second-home and investor buildings.0%
Avg. loan-to-valueAverage current loan balance against unit value across the building. Low numbers mean owners hold lots of equity — a sign of financial stability.41%
Median owner equityThe middle dollar amount of equity (value minus loans) unit owners hold in this building.$368,917
Median tax billThe middle annual property tax bill among the building's units.$3,272
Pre-foreclosure noticesUnits with an active pre-foreclosure or foreclosure notice on file.1

Recent SalesThe latest recorded arms-length sales in the building, newest first.

Unit 37Apr 17, 2026$320,000Unit 33Mar 31, 2025$330,000Unit 34Oct 27, 2023$423,000Unit 6Sep 29, 2023$413,000Unit 11Aug 11, 2022$425,000Unit 35May 2, 2022$360,000Unit 20Jan 7, 2022$410,000Unit 29Oct 4, 2021$385,000Unit 16Nov 12, 2020$299,000Unit 38Jun 11, 2020$312,000

Values are TopHap estimates, not appraisals. Sales, ownership and tax figures come from recorded county documents via ATTOM and can lag by several weeks.

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.35
49
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.10 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.1993
Lot (acres)The size of the land the home sits on, from county records.0.01
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
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.Carport (Unspecified)
PoolWhether the property has a pool, and what kind, such as in-ground.No

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 · 0.8 mi
M
El Dorado Middle SchoolD+
Middle · Grades 6–8 · 0.9 mi
H
Concord High SchoolC+
High · Grades 9–12 · 1.0 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%

All UnitsEvery property record the county has at this street address, such as the units in a condo building. Prices shown are our estimates, not asking prices.

3905 Clayton Rd # 1
2 bd · 1.5 ba · 1,050 ft²
$351K
3905 Clayton Rd # 2
2 bd · 1.5 ba · 1,050 ft²
$318K
3905 Clayton Rd
2 bd · 1.5 ba · 1,050 ft²
$329K
3905 Clayton Rd # 4
2 bd · 1.5 ba · 1,050 ft²
$341K
3905 Clayton Rd
2 bd · 1.5 ba · 1,050 ft²
$348K
3905 Clayton Rd # 6
2 bd · 1.5 ba · 1,050 ft²
$374K
3905 Clayton Rd # 7
2 bd · 1.5 ba · 1,050 ft²
$332K
3905 Clayton Rd # 8
2 bd · 1.5 ba · 1,050 ft²
$330K
3905 Clayton Rd
2 bd · 1.5 ba · 1,050 ft²
$315K
3905 Clayton Rd # 10
2 bd · 1.5 ba · 1,050 ft²
$329K
3905 Clayton Rd # 11
2 bd · 1.5 ba · 1,050 ft²
$369K
3905 Clayton Rd # 12
2 bd · 1.5 ba · 1,050 ft²
$279K
3905 Clayton Rd # 13
2 bd · 1.5 ba · 1,050 ft²
$351K
3905 Clayton Rd # 14
2 bd · 1.5 ba · 1,050 ft²
$330K
3905 Clayton Rd # 15
2 bd · 1.5 ba · 1,050 ft²
$352K
3905 Clayton Rd # 16
2 bd · 1.5 ba · 1,050 ft²
$342K
3905 Clayton Rd # 17
2 bd · 1.5 ba · 1,050 ft²
$347K
3905 Clayton Rd # 18
2 bd · 1.5 ba · 1,050 ft²
$336K
3905 Clayton Rd # 19
2 bd · 1.5 ba · 1,050 ft²
$336K
3905 Clayton Rd # 20
2 bd · 1.5 ba · 1,050 ft²
$398K
3905 Clayton Rd # 21
2 bd · 1.5 ba · 1,050 ft²
$331K
3905 Clayton Rd # 22
2 bd · 1.5 ba · 1,050 ft²
$324K
3905 Clayton Rd # 23
2 bd · 1.5 ba · 1,050 ft²
$348K
3905 Clayton Rd # 24
2 bd · 1.5 ba · 1,050 ft²
$356K
3905 Clayton Rd # 25
2 bd · 1.5 ba · 1,050 ft²
$328K
3905 Clayton Rd # 26
2 bd · 1.5 ba · 1,050 ft²
$329K
3905 Clayton Rd # 27
2 bd · 1.5 ba · 1,050 ft²
$346K
3905 Clayton Rd # 28
2 bd · 1.5 ba · 1,050 ft²
$322K
3905 Clayton Rd # 29
2 bd · 1.5 ba · 1,050 ft²
$362K
3905 Clayton Rd # 30
2 bd · 1.5 ba · 1,050 ft²
$338K
3905 Clayton Rd # 31
2 bd · 1.5 ba · 1,050 ft²
$351K
3905 Clayton Rd # 32
2 bd · 1.5 ba · 1,050 ft²
$346K
3905 Clayton Rd # 33
2 bd · 1.5 ba · 1,050 ft²
$317K
3905 Clayton Rd # 34
2 bd · 1.5 ba · 1,050 ft²
$371K
3905 Clayton Rd # 35
2 bd · 1.5 ba · 1,050 ft²
$344K
3905 Clayton Rd # 36
2 bd · 1.5 ba · 1,050 ft²
$328K
3905 Clayton Rd # 37
2 bd · 1.5 ba · 1,050 ft²
$317K
3905 Clayton Rd # 38
2 bd · 1.5 ba · 1,050 ft²
$342K

Data by ATTOM. Valuations are automated estimates, not appraisals. Photos from Google Street View and may not depict the current property state.

About 3905 Clayton Rd

How many units are in 3905 Clayton Rd, Concord, CA?

3905 Clayton Rd, Concord, CA has 38 residential units across built in 1971, according to county assessor records.

What is a unit at 3905 Clayton Rd, Concord, CA worth?

The median TopHap Estimate across the 38 units at 3905 Clayton Rd, Concord, CA is $339,669. That works out to $323 per square foot. Units run from 1,050 to 1,050 square feet. Estimates are modelled from recorded sales and assessments, not appraisals.

Is 3905 Clayton Rd, Concord, CA expensive for Concord?

Units at 3905 Clayton Rd, Concord, CA carry a median of $323 per square foot, 28% below the Concord median of $451 per square foot.

How often do units sell at 3905 Clayton Rd, Concord, CA?

1 units at 3905 Clayton Rd, Concord, CA sold in the last 12 months, out of 108 recorded arms-length sales all time. That is a turnover rate of 2.6% of the building per year. The median sale over that period was $320K.

Have units at 3905 Clayton Rd, Concord, CA appreciated?

Across 70 repeat sales of the same unit, 3905 Clayton Rd, Concord, CA returned a median 6.7% per year. Because each pair is the same unit bought and sold, the figure is not distorted by which units traded. The median owner held for 6.9 years.

What floor plans does 3905 Clayton Rd, Concord, CA have?

The most common plan at 3905 Clayton Rd, Concord, CA is a 2-bedroom of 1,050 square feet, repeated 38 times, with a median estimate of $339,669. TopHap identifies 1 recurring plans in the building.

More homes on Clayton Rd

Closest homes

More homes in Concord 94521

Assigned schools

Explore the area

See this home in context

Open 3905 Clayton Rd 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