Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$656,191$465 / 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 96How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Oct 21, 2026

3109 ATHENE CT

CONCORD, CA 94519
3
Beds
2
Baths
1,411 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.
0.18 ac
Lot SizeThe size of the land the home sits on, from county records.
1955
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

$656K
$632K low$681K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,587 (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.$244,964 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$123,400
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$121,564
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$240,162

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.17
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
1
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.

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
StyleThe architectural style of the home, such as ranch or colonial.Ranch
CountyCONTRA COSTA
Lot (acres)The size of the land the home sits on, from county records.0.17
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
RoofThe main material covering the roof, such as asphalt shingle or tile.Composition Shingle
HeatingThe type of heating system in the home.Forced Air With Air Conditioning
FireplaceWhether the home has a fireplace, and what kind.Yes
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(5)

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.

H
Mt. Diablo High SchoolD
High · Grades 9–12 · 0.5 mi
E
Wren Avenue Elementary SchoolD-
Elementary · Grades KG–5 · 0.7 mi
M
El Dorado Middle SchoolD-
Middle · Grades 6–8 · 2.1 mi

District: Mount Diablo Unified School District

Neighborhood · ZIP 94519These 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.105
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.87
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.549

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.96%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.22%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.8.4%
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.20,713
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.3,122 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$113,627
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$150,744
Average tempThe average temperature here across a full year.59°F
Annual precipHow much rain and melted snow falls here in a typical year.18 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.78%

Owner Tools

Do you own this home?
Claim this home

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

3109 Athene Ct 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.

  • Costs less per square foot than 67% of homes in Hillbrook Heights
  • Bigger than 78% of homes in Hillbrook Heights
  • Has a bigger lot than 92% of homes in Hillbrook Heights
  • Older than 79% of homes in Contra Costa County

What homes are worth in Concord 94519

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

This home
$361K$987K

This home is worth more than 47% of homes in Concord 94519.

How it measures up in Concord 94519

The dot is this home. The mark in the middle is the typical home in Concord 94519.

Estimated value$656,191
CheaperTypical $666,339Pricier

Pricier than 47% of homes nearby

Price per ft²$465
CheaperTypical $465Pricier

Pricier than 50% of homes nearby

Living area1,411 ft²
SmallerTypical 1,361 ft²Bigger

Bigger than 54% of homes nearby

Lot size0.18 ac
SmallerTypical 0.16 acBigger

Bigger than 61% of homes nearby

Year built1955
OlderTypical 1955Newer

Newer than 50% of homes nearby

How 3109 Athene Ct ranks against every home in each area.
MeasureThis homeHillbrook HeightsConcord 94519Contra Costa County
Estimated valuepricier than$656,19160% of homes47% of homes40% of homes
Price per ft²pricier than$46533% of homes50% of homes52% of homes
Living areabigger than1,411 ft²78% of homes54% of homes31% of homes
Lot sizebigger than0.18 ac92% of homes61% of homes61% of homes
Year builtnewer than195570% of homes50% of homes21% of homes

About 3109 Athene Ct

How much is 3109 Athene Ct, Concord, CA worth?

The TopHap Estimate for 3109 Athene Ct, Concord, CA is $656,191 as of Oct 21, 2026. The likely range is $631,865 to $680,517. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 3109 Athene Ct, Concord, CA last sell?

3109 Athene Ct, Concord, CA last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 3109 Athene Ct, Concord, CA?

3109 Athene Ct, Concord, CA has 3 bedrooms, 2 bathrooms, 1,411 square feet of living space and a 0.17-acre lot.

When was 3109 Athene Ct, Concord, CA built?

3109 Athene Ct, Concord, CA was built in 1955, making it 71 years old. It is a ranch home. The building has 1 story.

What schools serve 3109 Athene Ct, Concord, CA?

3109 Athene Ct, Concord, CA is assigned to Mt. Diablo High School (high), rated D; Wren Avenue Elementary School (elementary), rated D-; El Dorado Middle School (middle), rated D-. All sit in Mount Diablo Unified School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 3109 Athene Ct, Concord, CA compare to other homes in Concord 94519?

Among the 6,256 homes in Concord 94519, it is worth more than 47% of them ($656,191 against a typical $666,339), its price per square foot is higher than 50% of them ($465 against a typical $465), it is bigger than 54% of them (1,411 ft² against a typical 1,361 ft²), its lot is bigger than 61% of them (0.18 ac against a typical 0.16 ac) and it is newer than 50% of them (1955 against a typical 1955). Measured against all of Contra Costa County, it is worth more than 40% 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 3109 Athene Ct, Concord, CA?

The 2025 property tax bill for 3109 Athene Ct, Concord, CA was $3,587. The county assessed it at $244,964.

More homes on Athene Ct

Closest homes

More homes in Concord 94519

Assigned schools

Explore the area

See this home in context

Open 3109 Athene Ct 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