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Single Family ResidenceResidential
$553,277$404 / 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 91How 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
Last sold for $445,000 on Sep 6, 2016

840 30TH ST

RICHMOND, CA 94804
3
Beds
2
Baths
1,368 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.
0.11 ac
Lot SizeThe size of the land the home sits on, from county records.
1938
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.
1
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$553K
$505K low$601K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$445,000 · Sep 6, 2016

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$9,798 (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.$526,784 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$361,055
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$165,729
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$516,456

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.25
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
26
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
19
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
44
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
36
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
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.1950
Lot (acres)The size of the land the home sits on, from county records.0.12
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(2)

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
DeJean Middle SchoolF
Middle · Grades 7–8 · 0.7 mi
H
Kennedy High SchoolF
High · Grades 9–12 · 1.4 mi
E
Wilson Elementary SchoolD
Elementary · Grades KG–6 · 2.8 mi

District: West Contra Costa Unified School District

Neighborhood · ZIP 94804These 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.133
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 100.561

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.19%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.15%
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.44,926
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.5,044 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$80,581
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$109,956
Average tempThe average temperature here across a full year.58°F
Annual precipHow much rain and melted snow falls here in a typical year.22 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

840 30th St 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 75% of homes in Contra Costa County
  • Costs less per square foot than 80% of homes in North and East
  • Smaller than 71% of homes in Contra Costa County
  • Has a smaller lot than 73% of homes in Contra Costa County
  • Older than 96% of homes in Contra Costa County

What homes are worth in Richmond 94804

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

This home
$317K$1M

This home is worth more than 55% of homes in Richmond 94804.

How it measures up in Richmond 94804

The dot is this home. The mark in the middle is the typical home in Richmond 94804.

Estimated value$553,277
CheaperTypical $537,352Pricier

Pricier than 55% of homes nearby

Price per ft²$404
CheaperTypical $467Pricier

Pricier than 29% of homes nearby

Living area1,368 ft²
SmallerTypical 1,194 ft²Bigger

Bigger than 64% of homes nearby

Lot size0.11 ac
SmallerTypical 0.1 acBigger

Bigger than 55% of homes nearby

Year built1938
OlderTypical 1951Newer

Newer than 11% of homes nearby

How 840 30th St ranks against every home in each area.
MeasureThis homeNorth and EastRichmond 94804Contra Costa County
Estimated valuepricier than$553,27752% of homes55% of homes25% of homes
Price per ft²pricier than$40420% of homes29% of homes37% of homes
Living areabigger than1,368 ft²68% of homes64% of homes29% of homes
Lot sizebigger than0.11 ac41% of homes55% of homes27% of homes
Year builtnewer than193820% of homes11% of homes4% of homes

About 840 30th St

How much is 840 30th St, Richmond, CA worth?

The TopHap Estimate for 840 30th St, Richmond, CA is $553,277 as of Sep 24, 2026. The likely range is $505,142 to $601,412. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 840 30th St, Richmond, CA last sell?

840 30th St, Richmond, CA last sold on Sep 6, 2016 for $445,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 840 30th St, Richmond, CA?

840 30th St, Richmond, CA has 3 bedrooms, 2 bathrooms, 1,368 square feet of living space and a 0.12-acre lot.

When was 840 30th St, Richmond, CA built?

840 30th St, Richmond, CA was built in 1938, making it 88 years old. The building has 1 story.

What schools serve 840 30th St, Richmond, CA?

840 30th St, Richmond, CA is assigned to DeJean Middle School (middle), rated F; Kennedy High School (high), rated F; Wilson Elementary School (elementary), rated D. All sit in West Contra Costa Unified School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 840 30th St, Richmond, CA compare to other homes in Richmond 94804?

Among the 11,872 homes in Richmond 94804, it is worth more than 55% of them ($553,277 against a typical $537,352), its price per square foot is higher than 29% of them ($404 against a typical $467), it is bigger than 64% of them (1,368 ft² against a typical 1,194 ft²), its lot is bigger than 55% of them (0.11 ac against a typical 0.1 ac) and it is newer than 11% of them (1938 against a typical 1951). Measured against all of Contra Costa County, it is worth more than 25% 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 840 30th St, Richmond, CA?

The 2025 property tax bill for 840 30th St, Richmond, CA was $9,798. The county assessed it at $526,784.

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