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Rural ResidenceResidential
$393,041$292 / 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 88How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Aug 30, 2026

3910 GREENCASTLE AVE SW

OXFORD, IA 52322
3
Beds
1
Baths
1,344 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.
43.56 ac
Lot SizeThe size of the land the home sits on, from county records.
1990
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.

Valuation

$393K
$346K low$440K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,462 (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.$263,700 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$73,300
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$190,400
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$238,500
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$263,700

Climate Risk

Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.14 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%
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.Rural Residence
StyleThe architectural style of the home, such as ranch or colonial.Mobile Home
CountyJOHNSON
Lot (acres)The size of the land the home sits on, from county records.43.56
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
HeatingThe type of heating system in the home.Forced Air With Air Conditioning
CoolingThe type of cooling or air conditioning in the home.None
FireplaceWhether the home has a fireplace, and what kind.Yes
PoolWhether the property has a pool, and what kind, such as in-ground.No
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Patio · 448 ft²

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

H
Clear Creek Amana High SchoolB+
High · Grades 9–12 · 4.4 mi
M
Clear Creek Amana Middle SchoolA-
Middle · Grades 6–8 · 4.6 mi
E
Clear Creek ElementaryA
Elementary · Grades PK–5 · 6.7 mi

District: Clear Creek-Amana Community School District

Neighborhood · ZIP 52322These 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.83
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.83
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.20

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.93%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.25%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.9.8%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.0.8%
PopulationHow many people live in this area.2,753
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.30 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$82,281
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$110,730
Average tempThe average temperature here across a full year.49°F
Annual precipHow much rain and melted snow falls here in a typical year.36 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.61%

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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

3910 Greencastle Ave Sw 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 65% of homes in Johnson County
  • Costs more per square foot than 76% of homes in Johnson County
  • Smaller than 66% of homes in Oxford 52322
  • Among the largest lots in Johnson County

What homes are worth in Oxford 52322

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

This home
$101K$850K

This home is worth more than 53% of homes in Oxford 52322.

How it measures up in Oxford 52322

The dot is this home. The mark in the middle is the typical home in Oxford 52322.

Estimated value$393,041
CheaperTypical $375,994Pricier

Pricier than 53% of homes nearby

Price per ft²$292
CheaperTypical $232Pricier

Pricier than 70% of homes nearby

Living area1,344 ft²
SmallerTypical 1,568 ft²Bigger

Bigger than 34% of homes nearby

Lot size43.56 ac
SmallerTypical 1.74 acBigger

Bigger than almost all homes nearby

Year built1990
OlderTypical 1978Newer

Newer than 58% of homes nearby

How 3910 Greencastle Ave Sw ranks against every home in each area.
MeasureThis homeOxford 52322Johnson County
Estimated valuepricier than$393,04153% of homes65% of homes
Price per ft²pricier than$29270% of homes76% of homes
Living areabigger than1,344 ft²34% of homes46% of homes
Lot sizebigger than43.56 acalmost all homesalmost all homes
Year builtnewer than199058% of homes41% of homes

About 3910 Greencastle Ave Sw

How much is 3910 Greencastle Ave Sw, Oxford, IA worth?

The TopHap Estimate for 3910 Greencastle Ave Sw, Oxford, IA is $393,041 as of Aug 30, 2026. The likely range is $345,711 to $440,371. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 3910 Greencastle Ave Sw, Oxford, IA last sell?

3910 Greencastle Ave Sw, Oxford, IA last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 3910 Greencastle Ave Sw, Oxford, IA?

3910 Greencastle Ave Sw, Oxford, IA has 3 bedrooms, 1 bathrooms, 1,344 square feet of living space and a 43.56-acre lot.

When was 3910 Greencastle Ave Sw, Oxford, IA built?

3910 Greencastle Ave Sw, Oxford, IA was built in 1990, making it 36 years old. It is a mobile home home. The building has 1 story.

What schools serve 3910 Greencastle Ave Sw, Oxford, IA?

3910 Greencastle Ave Sw, Oxford, IA is assigned to Clear Creek Amana High School (high), rated B+; Clear Creek Amana Middle School (middle), rated A-; Clear Creek Elementary (elementary), rated A. All sit in Clear Creek-Amana Community School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 3910 Greencastle Ave Sw, Oxford, IA compare to other homes in Oxford 52322?

Among the 934 homes in Oxford 52322, it is worth more than 53% of them ($393,041 against a typical $375,994), its price per square foot is higher than 70% of them ($292 against a typical $232), it is bigger than 34% of them (1,344 ft² against a typical 1,568 ft²), its lot is bigger than almost all of them (43.56 ac against a typical 1.74 ac) and it is newer than 58% of them (1990 against a typical 1978). Measured against all of Johnson County, it is worth more than 65% 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 3910 Greencastle Ave Sw, Oxford, IA?

The 2025 property tax bill for 3910 Greencastle Ave Sw, Oxford, IA was $3,462. The county assessed it at $263,700.

More homes on Greencastle Ave Sw

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Assigned schools

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