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Duplex (2 Units, Any Combination)Residential
Last sold for $395,000 on Jun 3, 2015

308 TUNNEL AVE

RICHMOND, CA 94801
4
Beds
2
Baths
2,089 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.
3,500 ft²
Lot SizeThe size of the land the home sits on, from county records.
1902
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
10
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$395,000 · Jun 3, 2015

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$9,229 (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.$485,784 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$392,280
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$93,504
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$476,260

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.29
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
47
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.
45
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.Duplex (2 Units, Any Combination)
StyleThe architectural style of the home, such as ranch or colonial.Duplex Single
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.1930
Lot (acres)The size of the land the home sits on, from county records.0.08
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(6)

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(5)

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

E
Washington Elementary SchoolD
Elementary · Grades KG–6 · 0.3 mi
H
Kennedy High SchoolD
High · Grades 9–12 · 3.1 mi
M
Fred T. Korematsu Middle SchoolC+
Middle · Grades 7–8 · 4.4 mi

District: West Contra Costa Unified School District

Neighborhood · ZIP 94801These 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.135
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.86
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.564

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.11%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.19%
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.34,858
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,957 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$72,136
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$92,543
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%

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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

308 Tunnel Ave 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.

  • Bigger than 83% of homes in Richmond 94801
  • Has a smaller lot than 82% of homes in Contra Costa County
  • Among the oldest homes in Contra Costa County

How it measures up in Richmond 94801

The dot is this home. The mark in the middle is the typical home in Richmond 94801.

Living area2,089 ft²
SmallerTypical 1,286 ft²Bigger

Bigger than 83% of homes nearby

Lot size3,500 ft²
SmallerTypical 4,008 ft²Bigger

Bigger than 42% of homes nearby

Year built1902
OlderTypical 1948Newer

Older than almost all homes nearby

How 308 Tunnel Ave ranks against every home in each area.
MeasureThis homePoint RichmondRichmond 94801Contra Costa County
Living areabigger than2,089 ft²62% of homes83% of homes64% of homes
Lot sizebigger than3,500 ft²51% of homes42% of homes18% of homes
Year builtnewer than19026% of homesalmost no homesalmost no homes

About 308 Tunnel Ave

When did 308 Tunnel Ave, Richmond, CA last sell?

308 Tunnel Ave, Richmond, CA last sold on Jun 3, 2015 for $395,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 308 Tunnel Ave, Richmond, CA?

308 Tunnel Ave, Richmond, CA has 4 bedrooms, 2 bathrooms, 2,089 square feet of living space and a 0.08-acre lot.

When was 308 Tunnel Ave, Richmond, CA built?

308 Tunnel Ave, Richmond, CA was built in 1902, making it 124 years old. It is a duplex single home. The building has 1 story.

What schools serve 308 Tunnel Ave, Richmond, CA?

308 Tunnel Ave, Richmond, CA is assigned to Washington Elementary School (elementary), rated D; Kennedy High School (high), rated D; Fred T. Korematsu Middle School (middle), rated C+. All sit in West Contra Costa Unified School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 308 Tunnel Ave, Richmond, CA compare to other homes in Richmond 94801?

Among the 7,010 homes in Richmond 94801, it is bigger than 83% of them (2,089 ft² against a typical 1,286 ft²), its lot is bigger than 42% of them (3,500 ft² against a typical 4,008 ft²) and it is newer than almost none of them (1902 against a typical 1948). These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 308 Tunnel Ave, Richmond, CA?

The 2025 property tax bill for 308 Tunnel Ave, Richmond, CA was $9,229. The county assessed it at $485,784.

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