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Single Family ResidenceResidential
$1,261,325$382 / 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 Jul 14, 2026
Last sold for $537,500 on May 25, 2012

12831 SEAHORSE DR

RANCHO CUCAMONGA, CA 91739
4
Beds
2.5
Baths
3,306 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.
0.23 ac
Lot SizeThe size of the land the home sits on, from county records.
2012
Year BuiltThe year the home was originally built, according to county records.
2
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.
3
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$1.3M
$1.2M low$1.3M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$537,500 · May 25, 2012

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$11,526 (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.$725,033 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$240,890
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$484,143

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.Modern
CountySAN BERNARDINO
Lot (acres)The size of the land the home sits on, from county records.0.23
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
RoofThe main material covering the roof, such as asphalt shingle or tile.Tile
HeatingThe type of heating system in the home.Central
CoolingThe type of cooling or air conditioning in the home.Central
FireplaceWhether the home has a fireplace, and what kind.Yes
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.Pool W/Hot Tub/Spa
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Porch · 356 ft²

Transaction History(3)

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
Day Creek Intermediate SchoolA+
Middle · Grades 6–8 · 0.9 mi
E
John L. Golden Elementary SchoolA
Elementary · Grades KG–5 · 1.4 mi
H
Los Osos High SchoolA
High · Grades 9–12 · 2.2 mi

District: Etiwanda Elementary School District

Neighborhood · ZIP 91739These 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.47
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.105
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.537

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.29%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.4.2%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.9%
PopulationHow many people live in this area.41,489
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,320 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$136,481
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$176,085
Average tempThe average temperature here across a full year.56°F
Annual precipHow much rain and melted snow falls here in a typical year.34 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.68%

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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

12831 Seahorse Dr 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 more than 98% of homes in San Bernardino County
  • Costs more per square foot than 69% of homes in San Bernardino County
  • Bigger than 95% of homes in San Bernardino County
  • Has a bigger lot than 68% of homes in Rancho Cucamonga 91739
  • Newer than 91% of homes in San Bernardino County

What homes are worth in Rancho Cucamonga 91739

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

This home
$473K$1.9M

This home is worth more than 81% of homes in Rancho Cucamonga 91739.

How it measures up in Rancho Cucamonga 91739

The dot is this home. The mark in the middle is the typical home in Rancho Cucamonga 91739.

Estimated value$1,261,325
CheaperTypical $927,299Pricier

Pricier than 81% of homes nearby

Price per ft²$382
CheaperTypical $382Pricier

Pricier than 50% of homes nearby

Living area3,306 ft²
SmallerTypical 2,554 ft²Bigger

Bigger than 78% of homes nearby

Lot size0.23 ac
SmallerTypical 0.18 acBigger

Bigger than 68% of homes nearby

Year built2012
OlderTypical 2002Newer

Newer than 87% of homes nearby

How 12831 Seahorse Dr ranks against every home in each area.
MeasureThis homeNorth EtiwandaRancho Cucamonga 91739San Bernardino County
Estimated valuepricier than$1,261,32556% of homes81% of homes98% of homes
Price per ft²pricier than$38245% of homes50% of homes69% of homes
Living areabigger than3,306 ft²61% of homes78% of homes95% of homes
Lot sizebigger than0.23 ac43% of homes68% of homes67% of homes
Year builtnewer than201287% of homes87% of homes91% of homes

About 12831 Seahorse Dr

How much is 12831 Seahorse Dr, Rancho Cucamonga, CA worth?

The TopHap Estimate for 12831 Seahorse Dr, Rancho Cucamonga, CA is $1,261,325 as of Jul 14, 2026. The likely range is $1,203,971 to $1,318,679. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 12831 Seahorse Dr, Rancho Cucamonga, CA last sell?

12831 Seahorse Dr, Rancho Cucamonga, CA last sold on May 25, 2012 for $537,500, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 12831 Seahorse Dr, Rancho Cucamonga, CA?

12831 Seahorse Dr, Rancho Cucamonga, CA has 4 bedrooms, 2.5 bathrooms, 3,306 square feet of living space and a 0.23-acre lot.

When was 12831 Seahorse Dr, Rancho Cucamonga, CA built?

12831 Seahorse Dr, Rancho Cucamonga, CA was built in 2012, making it 14 years old. It is a modern home. The building has 2 stories.

What schools serve 12831 Seahorse Dr, Rancho Cucamonga, CA?

12831 Seahorse Dr, Rancho Cucamonga, CA is assigned to Day Creek Intermediate School (middle), rated A+; John L. Golden Elementary School (elementary), rated A; Los Osos High School (high), rated A. All sit in Etiwanda Elementary School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 12831 Seahorse Dr, Rancho Cucamonga, CA compare to other homes in Rancho Cucamonga 91739?

Among the 10,775 homes in Rancho Cucamonga 91739, it is worth more than 81% of them ($1,261,325 against a typical $927,299), its price per square foot is higher than 50% of them ($382 against a typical $382), it is bigger than 78% of them (3,306 ft² against a typical 2,554 ft²), its lot is bigger than 68% of them (0.23 ac against a typical 0.18 ac) and it is newer than 87% of them (2012 against a typical 2002). Measured against all of San Bernardino County, it is worth more than 98% 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 12831 Seahorse Dr, Rancho Cucamonga, CA?

The 2025 property tax bill for 12831 Seahorse Dr, Rancho Cucamonga, CA was $11,526. The county assessed it at $725,033.

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