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Single Family ResidenceResidential
$1,065,690$391 / 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 83How 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 $1,275,000 on Sep 10, 2026

4184 GEMSTONE DR

ACAMPO, CA 95220
4
Beds
3
Baths
2,725 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.
2 ac
Lot SizeThe size of the land the home sits on, from county records.
2020
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.
3
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$1.1M
$886K low$1.2M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$1,275,000 · Sep 10, 2026

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$9,034 (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.$908,075 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$270,608
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$637,467
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$890,270
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$944,640

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountySAN JOAQUIN
Lot (acres)The size of the land the home sits on, from county records.2.00
ConstructionThe main material the home's frame and walls are built from.Wood (Unspecified)
HeatingThe type of heating system in the home.Forced Air With Air Conditioning
CoolingThe type of cooling or air conditioning in the home.Central
PoolWhether the property has a pool, and what kind, such as in-ground.Yes

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.

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

H
Galt High SchoolB-
High · Grades 9–12 · 3.8 mi
E
Valley Oaks Elementary SchoolA
Elementary · Grades KG–6 · 3.9 mi
M
Robert L. McCaffrey Middle SchoolB-
Middle · Grades 7–8 · 5.5 mi

District: Galt Joint Union Elementary School District

Neighborhood · ZIP 95220These 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.94
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 100.104

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.94%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.16%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.5.8%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.2.1%
PopulationHow many people live in this area.6,910
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.118 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$86,456
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$132,529
Average tempThe average temperature here across a full year.61°F
Annual precipHow much rain and melted snow falls here in a typical year.18 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

4184 Gemstone 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 97% of homes in San Joaquin County
  • Costs more per square foot than 91% of homes in San Joaquin County
  • Bigger than 86% of homes in San Joaquin County
  • Has a bigger lot than 94% of homes in San Joaquin County
  • Among the newest homes in Acampo 95220

What homes are worth in Acampo 95220

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

This home
$380K$2M

This home is worth more than 78% of homes in Acampo 95220.

How it measures up in Acampo 95220

The dot is this home. The mark in the middle is the typical home in Acampo 95220.

Estimated value$1,065,690
CheaperTypical $809,012Pricier

Pricier than 78% of homes nearby

Price per ft²$391
CheaperTypical $421Pricier

Pricier than 31% of homes nearby

Living area2,725 ft²
SmallerTypical 1,960 ft²Bigger

Bigger than 76% of homes nearby

Lot size2 ac
SmallerTypical 4.55 acBigger

Bigger than 32% of homes nearby

Year built2020
OlderTypical 1976Newer

Newer than almost all homes nearby

How 4184 Gemstone Dr ranks against every home in each area.
MeasureThis homeAcampo 95220San Joaquin County
Estimated valuepricier than$1,065,69078% of homes97% of homes
Price per ft²pricier than$39131% of homes91% of homes
Living areabigger than2,725 ft²76% of homes86% of homes
Lot sizebigger than2 ac32% of homes94% of homes
Year builtnewer than2020almost all homes94% of homes

About 4184 Gemstone Dr

How much is 4184 Gemstone Dr, Acampo, CA worth?

The TopHap Estimate for 4184 Gemstone Dr, Acampo, CA is $1,065,690 as of Sep 24, 2026. The likely range is $886,314 to $1,245,066. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 4184 Gemstone Dr, Acampo, CA last sell?

4184 Gemstone Dr, Acampo, CA last sold on Sep 10, 2026 for $1,275,000, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 4184 Gemstone Dr, Acampo, CA?

4184 Gemstone Dr, Acampo, CA has 4 bedrooms, 3 bathrooms, 2,725 square feet of living space and a 2.00-acre lot.

When was 4184 Gemstone Dr, Acampo, CA built?

4184 Gemstone Dr, Acampo, CA was built in 2020, making it 6 years old. The building has 1 story.

What schools serve 4184 Gemstone Dr, Acampo, CA?

4184 Gemstone Dr, Acampo, CA is assigned to Galt High School (high), rated B-; Valley Oaks Elementary School (elementary), rated A; Robert L. McCaffrey Middle School (middle), rated B-. All sit in Galt Joint Union Elementary School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 4184 Gemstone Dr, Acampo, CA compare to other homes in Acampo 95220?

Among the 2,298 homes in Acampo 95220, it is worth more than 78% of them ($1,065,690 against a typical $809,012), its price per square foot is higher than 31% of them ($391 against a typical $421), it is bigger than 76% of them (2,725 ft² against a typical 1,960 ft²), its lot is bigger than 32% of them (2 ac against a typical 4.55 ac) and it is newer than almost all of them (2020 against a typical 1976). Measured against all of San Joaquin County, it is worth more than 97% 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 4184 Gemstone Dr, Acampo, CA?

The 2025 property tax bill for 4184 Gemstone Dr, Acampo, CA was $9,034. The county assessed it at $908,075.

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