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Single Family ResidenceResidential
$1,086,344$417 / 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 93How 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 $225,000 on Mar 25, 2021

4222 GEMSTONE DR

ACAMPO, CA 95220
3
Beds
2.5
Baths
2,605 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.
2022
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
3
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$1.1M
$1M 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.$225,000 · Mar 25, 2021

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$10,417 (2026)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$873,092 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$243,546
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$629,546
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$855,973
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$788,400

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.Custom Design
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)
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(9)

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 · 3.9 mi
E
Valley Oaks Elementary SchoolC+
Elementary · Grades KG–6 · 4.0 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

4222 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 98% of homes in San Joaquin County
  • Costs more per square foot than 95% of homes in San Joaquin County
  • Bigger than 83% of homes in San Joaquin County
  • Has a bigger lot than 95% 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
$355K$1.8M

This home is worth more than 82% 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$1,086,344
CheaperTypical $800,590Pricier

Pricier than 82% of homes nearby

Price per ft²$417
CheaperTypical $417Pricier

Pricier than 50% of homes nearby

Living area2,605 ft²
SmallerTypical 1,978 ft²Bigger

Bigger than 73% of homes nearby

Lot size2 ac
SmallerTypical 3.44 acBigger

Bigger than 35% of homes nearby

Year built2022
OlderTypical 1977Newer

Newer than almost all homes nearby

How 4222 Gemstone Dr ranks against every home in each area.
MeasureThis homeAcampo 95220San Joaquin County
Estimated valuepricier than$1,086,34482% of homes98% of homes
Price per ft²pricier than$41750% of homes95% of homes
Living areabigger than2,605 ft²73% of homes83% of homes
Lot sizebigger than2 ac35% of homes95% of homes
Year builtnewer than2022almost all homes97% of homes

About 4222 Gemstone Dr

How much is 4222 Gemstone Dr, Acampo, CA worth?

The TopHap Estimate for 4222 Gemstone Dr, Acampo, CA is $1,086,344 as of Sep 24, 2026. The likely range is $1,011,517 to $1,161,171. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 4222 Gemstone Dr, Acampo, CA last sell?

4222 Gemstone Dr, Acampo, CA last sold on Mar 25, 2021 for $225,000, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 4222 Gemstone Dr, Acampo, CA?

4222 Gemstone Dr, Acampo, CA has 3 bedrooms, 2.5 bathrooms, 2,605 square feet of living space and a 2.00-acre lot.

When was 4222 Gemstone Dr, Acampo, CA built?

4222 Gemstone Dr, Acampo, CA was built in 2022, making it 4 years old. It is a custom design home. The building has 1 story.

What schools serve 4222 Gemstone Dr, Acampo, CA?

4222 Gemstone Dr, Acampo, CA is assigned to Galt High School (high), rated B-; Valley Oaks Elementary School (elementary), rated C+; 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 4222 Gemstone Dr, Acampo, CA compare to other homes in Acampo 95220?

Among the 2,029 homes in Acampo 95220, it is worth more than 82% of them ($1,086,344 against a typical $800,590), its price per square foot is higher than 50% of them ($417 against a typical $417), it is bigger than 73% of them (2,605 ft² against a typical 1,978 ft²), its lot is bigger than 35% of them (2 ac against a typical 3.44 ac) and it is newer than almost all of them (2022 against a typical 1977). Measured against all of San Joaquin 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 4222 Gemstone Dr, Acampo, CA?

The 2026 property tax bill for 4222 Gemstone Dr, Acampo, CA was $10,417. The county assessed it at $873,092.

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