Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$555,569$452 / 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 87How 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 $211,000 on Jun 30, 2010

819 LASSEN ST

RICHMOND, CA 94805
4
Beds
2
Baths
1,229 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.
0.14 ac
Lot SizeThe size of the land the home sits on, from county records.
1943
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

$556K
$484K low$627K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$211,000 · Jun 30, 2010

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$5,383 (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.$277,796 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$223,822
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$53,974
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$272,350

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.28
1
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.
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
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.0.14
RoofThe main material covering the roof, such as asphalt shingle or tile.Composition Shingle
HeatingThe type of heating system in the home.Floor/Wall Furnace
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(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.

Foreclosure Filings(3)

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

E
Mira Vista SchoolB+
Elementary · Grades KG–8 · 0.8 mi
H
Kennedy High SchoolD
High · Grades 9–12 · 1.4 mi

District: West Contra Costa Unified School District

Neighborhood · ZIP 94805These 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.92
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 100.614

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.1.5%
PopulationHow many people live in this area.15,814
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.8,276 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$102,376
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$135,590
Average tempThe average temperature here across a full year.57°F
Annual precipHow much rain and melted snow falls here in a typical year.23 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

819 Lassen 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 79% of homes in Richmond Heights
  • Costs less per square foot than 70% of homes in Richmond Heights
  • Smaller than 79% of homes in Contra Costa County
  • Has a bigger lot than 72% of homes in Richmond 94805
  • Older than 92% of homes in Contra Costa County

What homes are worth in Richmond 94805

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

This home
$410K$1.1M

This home is worth more than 28% of homes in Richmond 94805.

How it measures up in Richmond 94805

The dot is this home. The mark in the middle is the typical home in Richmond 94805.

Estimated value$555,569
CheaperTypical $636,456Pricier

Pricier than 28% of homes nearby

Price per ft²$452
CheaperTypical $493Pricier

Pricier than 34% of homes nearby

Living area1,229 ft²
SmallerTypical 1,299 ft²Bigger

Bigger than 44% of homes nearby

Lot size0.14 ac
SmallerTypical 0.11 acBigger

Bigger than 72% of homes nearby

Year built1943
OlderTypical 1946Newer

Newer than 44% of homes nearby

How 819 Lassen St ranks against every home in each area.
MeasureThis homeRichmond HeightsRichmond 94805Contra Costa County
Estimated valuepricier than$555,56921% of homes28% of homes25% of homes
Price per ft²pricier than$45230% of homes34% of homes49% of homes
Living areabigger than1,229 ft²47% of homes44% of homes21% of homes
Lot sizebigger than0.14 ac51% of homes72% of homes40% of homes
Year builtnewer than194356% of homes44% of homes8% of homes

About 819 Lassen St

How much is 819 Lassen St, Richmond, CA worth?

The TopHap Estimate for 819 Lassen St, Richmond, CA is $555,569 as of Sep 24, 2026. The likely range is $484,053 to $627,085. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 819 Lassen St, Richmond, CA last sell?

819 Lassen St, Richmond, CA last sold on Jun 30, 2010 for $211,000, according to the county's recorded deed. TopHap holds 5 recorded sales for this parcel.

How big is 819 Lassen St, Richmond, CA?

819 Lassen St, Richmond, CA has 4 bedrooms, 2 bathrooms, 1,229 square feet of living space and a 0.14-acre lot.

When was 819 Lassen St, Richmond, CA built?

819 Lassen St, Richmond, CA was built in 1943, making it 83 years old. It is a ranch home. The building has 1 story.

What schools serve 819 Lassen St, Richmond, CA?

819 Lassen St, Richmond, CA is assigned to Mira Vista School (elementary), rated B+; Kennedy High School (high), 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 819 Lassen St, Richmond, CA compare to other homes in Richmond 94805?

Among the 4,505 homes in Richmond 94805, it is worth more than 28% of them ($555,569 against a typical $636,456), its price per square foot is higher than 34% of them ($452 against a typical $493), it is bigger than 44% of them (1,229 ft² against a typical 1,299 ft²), its lot is bigger than 72% of them (0.14 ac against a typical 0.11 ac) and it is newer than 44% of them (1943 against a typical 1946). 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 819 Lassen St, Richmond, CA?

The 2025 property tax bill for 819 Lassen St, Richmond, CA was $5,383. The county assessed it at $277,796.

More homes on Lassen St

Closest homes

More homes in Richmond 94805

Assigned schools

Explore the area

See this home in context

Open 819 Lassen St 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