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Single Family ResidenceResidential
$104,649$83 / 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 75How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Oct 21, 2026

309 6TH ST

GRISWOLD, IA 51535
3
Beds
1
Baths
1,258 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.
0.16 ac
Lot SizeThe size of the land the home sits on, from county records.
1915
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

$105K
$79K low$130K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,662 (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.$116,030 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$5,350
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$110,680
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$86,900
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$116,030

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.20 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.0.2 percent flood zone

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
CountyCASS
Lot (acres)The size of the land the home sits on, from county records.0.16
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
FoundationWhat the home is built on, such as a concrete slab, a crawl space, or a basement.Brick (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
FireplaceWhether the home has a fireplace, and what kind.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.Deck · 221 ft²Patio · 221 ft²Porch · 41 ft²

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

E
Griswold Elementary SchoolC
Elementary · Grades PK–5 · 0.7 mi
M
Griswold Middle/High SchoolB-
Middle · Grades 6–12 · 0.7 mi

District: Griswold Community School District

Neighborhood · ZIP 51535These 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.108
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.102
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.16

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.88%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.12%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.8.8%
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.1,733
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.13 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$78,385
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$91,020
Average tempThe average temperature here across a full year.50°F
Annual precipHow much rain and melted snow falls here in a typical year.35 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 6th 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 70% of homes in Griswold 51535
  • Smaller than 67% of homes in Griswold 51535
  • Has a smaller lot than 85% of homes in Cass County
  • Older than 65% of homes in Cass County

What homes are worth in Griswold 51535

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

This home
$34K$488K

This home is worth more than 30% of homes in Griswold 51535.

How it measures up in Griswold 51535

The dot is this home. The mark in the middle is the typical home in Griswold 51535.

Estimated value$104,649
CheaperTypical $135,788Pricier

Pricier than 30% of homes nearby

Price per ft²$83
CheaperTypical $93Pricier

Pricier than 40% of homes nearby

Living area1,258 ft²
SmallerTypical 1,495 ft²Bigger

Bigger than 33% of homes nearby

Lot size0.16 ac
SmallerTypical 0.41 acBigger

Bigger than 21% of homes nearby

Year built1915
OlderTypical 1925Newer

Newer than 37% of homes nearby

How 309 6th St ranks against every home in each area.
MeasureThis homeGriswold 51535Cass County
Estimated valuepricier than$104,64930% of homes38% of homes
Price per ft²pricier than$8340% of homes43% of homes
Living areabigger than1,258 ft²33% of homes37% of homes
Lot sizebigger than0.16 ac21% of homes15% of homes
Year builtnewer than191537% of homes35% of homes

About 309 6th St

How much is 309 6th St, Griswold, IA worth?

The TopHap Estimate for 309 6th St, Griswold, IA is $104,649 as of Oct 21, 2026. The likely range is $78,871 to $130,427. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 309 6th St, Griswold, IA last sell?

309 6th St, Griswold, IA last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 309 6th St, Griswold, IA?

309 6th St, Griswold, IA has 3 bedrooms, 1 bathrooms, 1,258 square feet of living space and a 0.16-acre lot.

When was 309 6th St, Griswold, IA built?

309 6th St, Griswold, IA was built in 1915, making it 111 years old. The building has 1 story.

What schools serve 309 6th St, Griswold, IA?

309 6th St, Griswold, IA is assigned to Griswold Elementary School (elementary), rated C; Griswold Middle/High School (middle), rated B-. All sit in Griswold Community School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 309 6th St, Griswold, IA compare to other homes in Griswold 51535?

Among the 858 homes in Griswold 51535, it is worth more than 30% of them ($104,649 against a typical $135,788), its price per square foot is higher than 40% of them ($83 against a typical $93), it is bigger than 33% of them (1,258 ft² against a typical 1,495 ft²), its lot is bigger than 21% of them (0.16 ac against a typical 0.41 ac) and it is newer than 37% of them (1915 against a typical 1925). Measured against all of Cass County, it is worth more than 38% 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 309 6th St, Griswold, IA?

The 2026 property tax bill for 309 6th St, Griswold, IA was $1,662. The county assessed it at $116,030.

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