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Single Family ResidenceResidential
$676,021$315 / 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 93How 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

3112 MARVELLE LN

CONCORD, CA 94518
4
Beds
2.5
Baths
2,144 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.
0.19 ac
Lot SizeThe size of the land the home sits on, from county records.
1953
Year BuiltThe year the home was originally built, according to county records.
2
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.
1
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$676K
$630K low$722K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,670 (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.$166,606 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$53,882
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$112,724
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$163,340

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
CountyCONTRA COSTA
Lot (acres)The size of the land the home sits on, from county records.0.19
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(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
El Monte Elementary SchoolC
Elementary · Grades KG–5 · 0.6 mi
H
Mt. Diablo High SchoolD
High · Grades 9–12 · 1.1 mi
M
El Dorado Middle SchoolD-
Middle · Grades 6–8 · 1.8 mi

District: Mount Diablo Unified School District

Neighborhood · ZIP 94518These 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.81
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.568

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.29%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.9.8%
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.26,625
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.5,072 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$118,070
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$142,306
Average tempThe average temperature here across a full year.59°F
Annual precipHow much rain and melted snow falls here in a typical year.19 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

3112 Marvelle Ln 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 74% of homes in Clayton
  • Costs less per square foot than 97% of homes in Clayton
  • Bigger than 93% of homes in Clayton
  • Has a bigger lot than 66% of homes in Contra Costa County
  • Older than 82% of homes in Concord 94518

What homes are worth in Concord 94518

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

This home
$247K$1.4M

This home is worth more than 39% of homes in Concord 94518.

How it measures up in Concord 94518

The dot is this home. The mark in the middle is the typical home in Concord 94518.

Estimated value$676,021
CheaperTypical $754,116Pricier

Pricier than 39% of homes nearby

Price per ft²$315
CheaperTypical $459Pricier

Pricier than 6% of homes nearby

Living area2,144 ft²
SmallerTypical 1,548 ft²Bigger

Bigger than 81% of homes nearby

Lot size0.19 ac
SmallerTypical 0.19 acBigger

Bigger than 53% of homes nearby

Year built1953
OlderTypical 1967Newer

Newer than 18% of homes nearby

How 3112 Marvelle Ln ranks against every home in each area.
MeasureThis homeClaytonConcord 94518Contra Costa County
Estimated valuepricier than$676,02174% of homes39% of homes42% of homes
Price per ft²pricier than$3153% of homes6% of homes14% of homes
Living areabigger than2,144 ft²93% of homes81% of homes66% of homes
Lot sizebigger than0.19 ac58% of homes53% of homes66% of homes
Year builtnewer than195381% of homes18% of homes18% of homes

About 3112 Marvelle Ln

How much is 3112 Marvelle Ln, Concord, CA worth?

The TopHap Estimate for 3112 Marvelle Ln, Concord, CA is $676,021 as of Sep 24, 2026. The likely range is $630,139 to $721,903. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 3112 Marvelle Ln, Concord, CA last sell?

3112 Marvelle Ln, Concord, CA last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 3112 Marvelle Ln, Concord, CA?

3112 Marvelle Ln, Concord, CA has 4 bedrooms, 2.5 bathrooms, 2,144 square feet of living space and a 0.19-acre lot.

When was 3112 Marvelle Ln, Concord, CA built?

3112 Marvelle Ln, Concord, CA was built in 1953, making it 73 years old. The building has 2 stories.

What schools serve 3112 Marvelle Ln, Concord, CA?

3112 Marvelle Ln, Concord, CA is assigned to El Monte Elementary School (elementary), rated C; Mt. Diablo High School (high), 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 3112 Marvelle Ln, Concord, CA compare to other homes in Concord 94518?

Among the 8,735 homes in Concord 94518, it is worth more than 39% of them ($676,021 against a typical $754,116), its price per square foot is higher than 6% of them ($315 against a typical $459), it is bigger than 81% of them (2,144 ft² against a typical 1,548 ft²), its lot is bigger than 53% of them (0.19 ac against a typical 0.19 ac) and it is newer than 18% of them (1953 against a typical 1967). Measured against all of Contra Costa County, it is worth more than 42% 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 3112 Marvelle Ln, Concord, CA?

The 2025 property tax bill for 3112 Marvelle Ln, Concord, CA was $2,670. The county assessed it at $166,606.

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