Skip to content
Skip to content
TopHapOpen in map
CondominiumResidential
$449,707$484 / 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 Oct 21, 2026
Last sold for $310,000 on Nov 30, 2016

228 NAPOLI CT

HERCULES, CA 94547
2
Beds
2
Baths
930 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.
1,254 ft²
Lot SizeThe size of the land the home sits on, from county records.
1993
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
5
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

$450K
$428K low$471K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$310,000 · Nov 30, 2016

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$7,555 (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.$481,681 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$297,668
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$184,013
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$472,237

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.23
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
79
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
36
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.
FEMA Flood ZoneFEMA's flood zone for this address. Zones starting with A or V are high risk, and lenders usually require flood insurance there.minimal

Scores 0–100; higher = greater projected risk.

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Condominium
StyleThe architectural style of the home, such as ranch or colonial.Condo/Apartment
CountyCONTRA COSTA
Lot (acres)The size of the land the home sits on, from county records.0.03
CoolingThe type of cooling or air conditioning in the home.Central
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.

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

E
Hanna Ranch Elementary SchoolB+
Elementary · Grades KG–5 · 0.3 mi
M
Hercules Middle SchoolB
Middle · Grades 6–8 · 0.9 mi
H
Hercules High SchoolB+
High · Grades 9–12 · 0.9 mi

District: West Contra Costa Unified School District

Neighborhood · ZIP 94547These 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.68
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 100.423

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.31%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.4.5%
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.26,279
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.3,342 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$121,348
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$157,708
Average tempThe average temperature here across a full year.58°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

228 Napoli 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 88% of homes in Contra Costa County
  • Costs more per square foot than 92% of homes in Hercules 94547
  • Smaller than 95% of homes in Hercules 94547
  • Has a smaller lot than 93% of homes in Contra Costa County
  • Newer than 75% of homes in Contra Costa County

What homes are worth in Hercules 94547

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

This home
$350K$1.2M

This home is worth more than 13% of homes in Hercules 94547.

How it measures up in Hercules 94547

The dot is this home. The mark in the middle is the typical home in Hercules 94547.

Estimated value$449,707
CheaperTypical $748,656Pricier

Pricier than 13% of homes nearby

Price per ft²$484
CheaperTypical $402Pricier

Pricier than 92% of homes nearby

Living area930 ft²
SmallerTypical 1,792 ft²Bigger

Bigger than 5% of homes nearby

Lot size1,254 ft²
SmallerTypical 0.12 acBigger

Bigger than 18% of homes nearby

Year built1993
OlderTypical 1988Newer

Newer than 74% of homes nearby

How 228 Napoli Ct ranks against every home in each area.
MeasureThis homeHercules 94547Contra Costa County
Estimated valuepricier than$449,70713% of homes12% of homes
Price per ft²pricier than$48492% of homes56% of homes
Living areabigger than930 ft²5% of homes6% of homes
Lot sizebigger than1,254 ft²18% of homes7% of homes
Year builtnewer than199374% of homes75% of homes

About 228 Napoli Ct

How much is 228 Napoli Ct, Hercules, CA worth?

The TopHap Estimate for 228 Napoli Ct, Hercules, CA is $449,707 as of Oct 21, 2026. The likely range is $428,254 to $471,160. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 228 Napoli Ct, Hercules, CA last sell?

228 Napoli Ct, Hercules, CA last sold on Nov 30, 2016 for $310,000, according to the county's recorded deed. TopHap holds 4 recorded sales for this parcel.

How big is 228 Napoli Ct, Hercules, CA?

228 Napoli Ct, Hercules, CA has 2 bedrooms, 2 bathrooms, 930 square feet of living space and a 0.03-acre lot.

When was 228 Napoli Ct, Hercules, CA built?

228 Napoli Ct, Hercules, CA was built in 1993, making it 33 years old. It is a condo/apartment home. The building has 1 story.

What schools serve 228 Napoli Ct, Hercules, CA?

228 Napoli Ct, Hercules, CA is assigned to Hanna Ranch Elementary School (elementary), rated B+; Hercules Middle School (middle), rated B; Hercules High School (high), rated B+. All sit in West Contra Costa Unified School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 228 Napoli Ct, Hercules, CA compare to other homes in Hercules 94547?

Among the 8,379 homes in Hercules 94547, it is worth more than 13% of them ($449,707 against a typical $748,656), its price per square foot is higher than 92% of them ($484 against a typical $402), it is bigger than 5% of them (930 ft² against a typical 1,792 ft²), its lot is bigger than 18% of them (1,254 ft² against a typical 0.12 ac) and it is newer than 74% of them (1993 against a typical 1988). Measured against all of Contra Costa County, it is worth more than 12% 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 228 Napoli Ct, Hercules, CA?

The 2025 property tax bill for 228 Napoli Ct, Hercules, CA was $7,555. The county assessed it at $481,681.

More homes on Napoli Ct

Closest homes

More homes in Hercules 94547

Assigned schools

Explore the area

See this home in context

Open 228 Napoli Ct 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