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Single Family ResidenceResidential
$626,321$442 / 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

1800 TOBI CT

CONCORD, CA 94521
3
Beds
2
Baths
1,416 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.
0.27 ac
Lot SizeThe size of the land the home sits on, from county records.
1956
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
7
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

$626K
$597K low$655K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,938 (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.$177,840 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$61,515
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$116,325
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$174,354

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
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
78
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.

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.0.27
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.Yes

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.

E
Ayers Elementary SchoolC+
Elementary · Grades KG–5 · 0.6 mi
H
Concord High SchoolC+
High · Grades 9–12 · 1.1 mi
M
Pine Hollow Middle SchoolB-
Middle · Grades 6–8 · 2.1 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

1800 Tobi 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.

  • Worth less than 69% of homes in Silverwood
  • Smaller than 68% of homes in Contra Costa County
  • Has a bigger lot than 88% of homes in Concord 94521
  • Older than 90% of homes in Concord 94521

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
$286K$1.5M

This home is worth more than 31% 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$626,321
CheaperTypical $728,798Pricier

Pricier than 31% of homes nearby

Price per ft²$442
CheaperTypical $438Pricier

Pricier than 52% of homes nearby

Living area1,416 ft²
SmallerTypical 1,591 ft²Bigger

Bigger than 36% of homes nearby

Lot size0.27 ac
SmallerTypical 0.17 acBigger

Bigger than 88% of homes nearby

Year built1956
OlderTypical 1972Newer

Newer than 10% of homes nearby

How 1800 Tobi Ct ranks against every home in each area.
MeasureThis homeSilverwoodConcord 94521Contra Costa County
Estimated valuepricier than$626,32131% of homes31% of homes36% of homes
Price per ft²pricier than$44241% of homes52% of homes47% of homes
Living areabigger than1,416 ft²40% of homes36% of homes32% of homes
Lot sizebigger than0.27 ac80% of homes88% of homes81% of homes
Year builtnewer than195620% of homes10% of homes22% of homes

About 1800 Tobi Ct

How much is 1800 Tobi Ct, Concord, CA worth?

The TopHap Estimate for 1800 Tobi Ct, Concord, CA is $626,321 as of Aug 30, 2026. The likely range is $597,416 to $655,227. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 1800 Tobi Ct, Concord, CA last sell?

1800 Tobi Ct, Concord, CA last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 1800 Tobi Ct, Concord, CA?

1800 Tobi Ct, Concord, CA has 3 bedrooms, 2 bathrooms, 1,416 square feet of living space and a 0.27-acre lot.

When was 1800 Tobi Ct, Concord, CA built?

1800 Tobi Ct, Concord, CA was built in 1956, making it 70 years old. The building has 1 story.

What schools serve 1800 Tobi Ct, Concord, CA?

1800 Tobi Ct, Concord, CA is assigned to Ayers Elementary School (elementary), rated C+; Concord High School (high), rated C+; Pine Hollow Middle School (middle), rated B-. All sit in Mount Diablo Unified School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 1800 Tobi Ct, Concord, CA compare to other homes in Concord 94521?

Among the 14,273 homes in Concord 94521, it is worth more than 31% of them ($626,321 against a typical $728,798), its price per square foot is higher than 52% of them ($442 against a typical $438), it is bigger than 36% of them (1,416 ft² against a typical 1,591 ft²), its lot is bigger than 88% of them (0.27 ac against a typical 0.17 ac) and it is newer than 10% of them (1956 against a typical 1972). Measured against all of Contra Costa County, it is worth more than 36% 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 1800 Tobi Ct, Concord, CA?

The 2025 property tax bill for 1800 Tobi Ct, Concord, CA was $1,938. The county assessed it at $177,840.

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