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Single Family ResidenceResidential
$41,752$35 / 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 77How 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 $30,000 on Nov 21, 2022

305 WALNUT ST

AUBURN, IA 51433
1
Baths
1,204 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.
0.32 ac
Lot SizeThe size of the land the home sits on, from county records.
1916
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$42K
$32K low$51K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$30,000 · Nov 21, 2022

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$440 (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.$64,900 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$3,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$61,900
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$57,050
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$64,900

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountySAC
Lot (acres)The size of the land the home sits on, from county records.0.32
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.Yes
CoolingThe type of cooling or air conditioning in the home.Yes
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Detached
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 · 92 ft²

Transaction History(2)

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
East Sac County High SchoolC
Middle · Grades 7–12 · 9.8 mi
E
East Sac County Elementary SchoolC+
Elementary · Grades PK–6 · 13.2 mi

District: East Sac County Community School District

Neighborhood · ZIP 51433These 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.84
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.88
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.15

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.89%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.10%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.8.7%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.3%
PopulationHow many people live in this area.454
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.8 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$87,589
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$99,607
Average tempThe average temperature here across a full year.48°F
Annual precipHow much rain and melted snow falls here in a typical year.32 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

305 Walnut 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 93% of homes in Auburn 51433
  • Costs less per square foot than 92% of homes in Sac County
  • Smaller than 75% of homes in Auburn 51433
  • Older than 66% of homes in Sac County

What homes are worth in Auburn 51433

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

This home
$31K$472K

This home is worth more than 7% of homes in Auburn 51433.

How it measures up in Auburn 51433

The dot is this home. The mark in the middle is the typical home in Auburn 51433.

Estimated value$41,752
CheaperTypical $108,353Pricier

Pricier than 7% of homes nearby

Price per ft²$35
CheaperTypical $75Pricier

Pricier than 10% of homes nearby

Living area1,204 ft²
SmallerTypical 1,588 ft²Bigger

Bigger than 25% of homes nearby

Lot size0.32 ac
SmallerTypical 1 acBigger

Bigger than 38% of homes nearby

Year built1916
OlderTypical 1918Newer

Newer than 49% of homes nearby

How 305 Walnut St ranks against every home in each area.
MeasureThis homeAuburn 51433Sac County
Estimated valuepricier than$41,7527% of homes7% of homes
Price per ft²pricier than$3510% of homes8% of homes
Living areabigger than1,204 ft²25% of homes28% of homes
Lot sizebigger than0.32 ac38% of homes54% of homes
Year builtnewer than191649% of homes34% of homes

About 305 Walnut St

How much is 305 Walnut St, Auburn, IA worth?

The TopHap Estimate for 305 Walnut St, Auburn, IA is $41,752 as of Sep 24, 2026. The likely range is $32,208 to $51,296. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 305 Walnut St, Auburn, IA last sell?

305 Walnut St, Auburn, IA last sold on Nov 21, 2022 for $30,000, according to the county's recorded deed.

How big is 305 Walnut St, Auburn, IA?

305 Walnut St, Auburn, IA has 1 bathrooms, 1,204 square feet of living space and a 0.32-acre lot.

When was 305 Walnut St, Auburn, IA built?

305 Walnut St, Auburn, IA was built in 1916, making it 110 years old. The building has 1 story.

What schools serve 305 Walnut St, Auburn, IA?

305 Walnut St, Auburn, IA is assigned to East Sac County High School (middle), rated C; East Sac County Elementary School (elementary), rated C+. All sit in East Sac County Community School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 305 Walnut St, Auburn, IA compare to other homes in Auburn 51433?

Among the 329 homes in Auburn 51433, it is worth more than 7% of them ($41,752 against a typical $108,353), its price per square foot is higher than 10% of them ($35 against a typical $75), it is bigger than 25% of them (1,204 ft² against a typical 1,588 ft²), its lot is bigger than 38% of them (0.32 ac against a typical 1 ac) and it is newer than 49% of them (1916 against a typical 1918). Measured against all of Sac County, it is worth more than 7% 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 305 Walnut St, Auburn, IA?

The 2025 property tax bill for 305 Walnut St, Auburn, IA was $440. The county assessed it at $64,900.

More homes on Walnut St

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Assigned schools

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