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Single Family ResidenceResidential
$76,945$95 / 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 68How 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

309 3RD ST

GRAY, IA 50110
1
Baths
814 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.
0.51 ac
Lot SizeThe size of the land the home sits on, from county records.
1902
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
4
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$77K
$53K low$101K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$576 (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.$52,300 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$4,390
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$47,910
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$46,420
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$52,300

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.71 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.Single Family Residence
CountyAUDUBON
Lot (acres)The size of the land the home sits on, from county records.0.51
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.Asphalt
HeatingThe type of heating system in the home.Yes
CoolingThe type of cooling or air conditioning in the home.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.Porch · 60 ft²

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

E
Audubon Elementary SchoolB+
Elementary · Grades PK–4 · 8.9 mi
M
Audubon Middle-High SchoolA-
Middle · Grades 5–12 · 9.4 mi

District: Audubon Community School District

Neighborhood · ZIP 50110These 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.127
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.91
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.17

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.87%
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.11%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.0.9%
PopulationHow many people live in this area.0
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.5 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$86,184
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$97,414
Average tempThe average temperature here across a full year.48°F
Annual precipHow much rain and melted snow falls here in a typical year.33 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.59%

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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

309 3rd St 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 83% of homes in Audubon County
  • Smaller than 94% of homes in Audubon County
  • Older than 82% of homes in Audubon County

What homes are worth in Audubon County

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

This home
$29K$184K

This home is worth more than 23% of homes in Audubon County.

How it measures up in Audubon County

The dot is this home. The mark in the middle is the typical home in Audubon County.

Estimated value$76,945
CheaperTypical $150,827Pricier

Pricier than 17% of homes nearby

Price per ft²$95
CheaperTypical $109Pricier

Pricier than 40% of homes nearby

Living area814 ft²
SmallerTypical 1,400 ft²Bigger

Bigger than 6% of homes nearby

Lot size0.51 ac
SmallerTypical 0.39 acBigger

Bigger than 55% of homes nearby

Year built1902
OlderTypical 1941Newer

Newer than 18% of homes nearby

How 309 3rd St ranks against every home in each area.
MeasureThis homeAudubon County
Estimated valuepricier than$76,94517% of homes
Price per ft²pricier than$9540% of homes
Living areabigger than814 ft²6% of homes
Lot sizebigger than0.51 ac55% of homes
Year builtnewer than190218% of homes

About 309 3rd St

How much is 309 3rd St, Gray, IA worth?

The TopHap Estimate for 309 3rd St, Gray, IA is $76,945 as of Sep 24, 2026. The likely range is $52,521 to $101,369. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 309 3rd St, Gray, IA last sell?

309 3rd St, Gray, IA last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 309 3rd St, Gray, IA?

309 3rd St, Gray, IA has 1 bathrooms, 814 square feet of living space and a 0.51-acre lot.

When was 309 3rd St, Gray, IA built?

309 3rd St, Gray, IA was built in 1902, making it 124 years old. The building has 1 story.

What schools serve 309 3rd St, Gray, IA?

309 3rd St, Gray, IA is assigned to Audubon Elementary School (elementary), rated B+; Audubon Middle-High School (middle), rated A-. All sit in Audubon Community School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 309 3rd St, Gray, IA compare to other homes in Audubon County?

Among the 2,878 homes in Audubon County, it is worth more than 17% of them ($76,945 against a typical $150,827), its price per square foot is higher than 40% of them ($95 against a typical $109), it is bigger than 6% of them (814 ft² against a typical 1,400 ft²), its lot is bigger than 55% of them (0.51 ac against a typical 0.39 ac) and it is newer than 18% of them (1902 against a typical 1941). These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 309 3rd St, Gray, IA?

The 2025 property tax bill for 309 3rd St, Gray, IA was $576. The county assessed it at $52,300.

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