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Rural ResidenceResidential
$73,748$98 / 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 70How 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

170TH AVE

SPENCER, IA 51301
1
Baths
752 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.
40 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.

Valuation

$74K
$52K low$96K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$758 (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.$63,240 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$63,240
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$45,930
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$63,240

Climate Risk

Overall riskThe average of the five hazard scores below, on a 0 to 100 scale. Higher means greater projected risk over the coming decades.40
47
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
9
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
63
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
43
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
40
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.
Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.12 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
CountyCLAY
Lot (acres)The size of the land the home sits on, from county records.40.00
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
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 · 232 ft²

Transaction History(1)

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
Spencer Middle SchoolA
Middle · Grades 7–8 · 7.0 mi
H
Spencer High SchoolB+
High · Grades 9–12 · 7.3 mi
E
Clay Central-Everly Elementary SchoolB
Elementary · Grades PK–6 · 9.7 mi

District: Clay Central-Everly Community School District

Neighborhood · ZIP 51301These 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.103
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.89
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.91%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.20%
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.1.1%
PopulationHow many people live in this area.12,636
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.80 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$63,520
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$80,070
Average tempThe average temperature here across a full year.46°F
Annual precipHow much rain and melted snow falls here in a typical year.30 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

170th Ave 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 Spencer 51301
  • Costs less per square foot than 76% of homes in Spencer 51301
  • Smaller than 96% of homes in Clay County
  • Among the largest lots in Spencer 51301
  • Older than 84% of homes in Spencer 51301

What homes are worth in Spencer 51301

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

This home
$52K$505K

This home is worth more than 7% of homes in Spencer 51301.

How it measures up in Spencer 51301

The dot is this home. The mark in the middle is the typical home in Spencer 51301.

Estimated value$73,748
CheaperTypical $170,574Pricier

Pricier than 7% of homes nearby

Price per ft²$98
CheaperTypical $133Pricier

Pricier than 24% of homes nearby

Living area752 ft²
SmallerTypical 1,368 ft²Bigger

Bigger than 5% of homes nearby

Lot size40 ac
SmallerTypical 0.23 acBigger

Bigger than almost all homes nearby

Year built1915
OlderTypical 1958Newer

Newer than 16% of homes nearby

How 170th Ave ranks against every home in each area.
MeasureThis homeSpencer 51301Clay County
Estimated valuepricier than$73,7487% of homes12% of homes
Price per ft²pricier than$9824% of homes35% of homes
Living areabigger than752 ft²5% of homes4% of homes
Lot sizebigger than40 acalmost all homes98% of homes
Year builtnewer than191516% of homes22% of homes

About 170th Ave

How much is 170th Ave, Spencer, IA worth?

The TopHap Estimate for 170th Ave, Spencer, IA is $73,748 as of Sep 24, 2026. The likely range is $51,782 to $95,714. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 170th Ave, Spencer, IA last sell?

170th Ave, Spencer, IA last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 170th Ave, Spencer, IA?

170th Ave, Spencer, IA has 1 bathrooms, 752 square feet of living space and a 40.00-acre lot.

When was 170th Ave, Spencer, IA built?

170th Ave, Spencer, IA was built in 1915, making it 111 years old. The building has 1 story.

What schools serve 170th Ave, Spencer, IA?

170th Ave, Spencer, IA is assigned to Spencer Middle School (middle), rated A; Spencer High School (high), rated B+; Clay Central-Everly Elementary School (elementary), rated B. All sit in Clay Central-Everly Community School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 170th Ave, Spencer, IA compare to other homes in Spencer 51301?

Among the 5,011 homes in Spencer 51301, it is worth more than 7% of them ($73,748 against a typical $170,574), its price per square foot is higher than 24% of them ($98 against a typical $133), it is bigger than 5% of them (752 ft² against a typical 1,368 ft²), its lot is bigger than almost all of them (40 ac against a typical 0.23 ac) and it is newer than 16% of them (1915 against a typical 1958). Measured against all of Clay County, it is worth more than 12% 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 170th Ave, Spencer, IA?

The 2025 property tax bill for 170th Ave, Spencer, IA was $758. The county assessed it at $63,240.

More homes on 170th Ave

Closest homes

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Assigned schools

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