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Single Family ResidenceResidential
$123,664$143 / 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 Sep 24, 2026
Last sold for $84,000 on Feb 16, 2021

521 15TH ST

BOONE, IA 50036
3
Beds
1
Baths
864 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.
0.19 ac
Lot SizeThe size of the land the home sits on, from county records.
1959
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
5
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
1
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$124K
$93K low$154K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$84,000 · Feb 16, 2021

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,956 (2024)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$128,990 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$29,860
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$99,130
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$106,179
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$128,990

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.6 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.6%
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
CountyBoone
Lot (acres)The size of the land the home sits on, from county records.0.19
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.Block (Unspecified)
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
HeatingThe type of heating system in the home.Forced Air
CoolingThe type of cooling or air conditioning in the home.Central
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 · 32 ft²

Transaction History(3)

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.

H
Boone High SchoolC
High · Grades 9–12 · 0.6 mi
M
Boone Middle SchoolD+
Middle · Grades 7–8 · 1.5 mi
E
Ledges Elementary School
Elementary · Grades PK–1 · 2.2 mi

District: Boone Community School District

Neighborhood · ZIP 50036These 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.135
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.96
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.12

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.20%
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.16,402
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.85 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$74,710
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$87,597
Average tempThe average temperature here across a full year.48°F
Annual precipHow much rain and melted snow falls here in a typical year.34 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.61%

Owner Tools

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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

521 15th 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 Boone County
  • Smaller than 92% of homes in Boone County
  • Has a smaller lot than 83% of homes in Boone County

What homes are worth in Boone 50036

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

This home
$70K$624K

This home is worth more than 19% of homes in Boone 50036.

How it measures up in Boone 50036

The dot is this home. The mark in the middle is the typical home in Boone 50036.

Estimated value$123,664
CheaperTypical $191,982Pricier

Pricier than 19% of homes nearby

Price per ft²$143
CheaperTypical $144Pricier

Pricier than 49% of homes nearby

Living area864 ft²
SmallerTypical 1,392 ft²Bigger

Bigger than 10% of homes nearby

Lot size0.19 ac
SmallerTypical 0.25 acBigger

Bigger than 24% of homes nearby

Year built1959
OlderTypical 1949Newer

Newer than 57% of homes nearby

How 521 15th St ranks against every home in each area.
MeasureThis homeBoone 50036Boone County
Estimated valuepricier than$123,66419% of homes17% of homes
Price per ft²pricier than$14349% of homes47% of homes
Living areabigger than864 ft²10% of homes8% of homes
Lot sizebigger than0.19 ac24% of homes17% of homes
Year builtnewer than195957% of homes55% of homes

About 521 15th St

How much is 521 15th St, Boone, IA worth?

The TopHap Estimate for 521 15th St, Boone, IA is $123,664 as of Sep 24, 2026. The likely range is $93,279 to $154,049. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 521 15th St, Boone, IA last sell?

521 15th St, Boone, IA last sold on Feb 16, 2021 for $84,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 521 15th St, Boone, IA?

521 15th St, Boone, IA has 3 bedrooms, 1 bathrooms, 864 square feet of living space and a 0.19-acre lot.

When was 521 15th St, Boone, IA built?

521 15th St, Boone, IA was built in 1959, making it 67 years old. The building has 1 story.

What schools serve 521 15th St, Boone, IA?

521 15th St, Boone, IA is assigned to Boone High School (high), rated C; Boone Middle School (middle), rated D+; Ledges Elementary School (elementary). All sit in Boone Community School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 521 15th St, Boone, IA compare to other homes in Boone 50036?

Among the 6,760 homes in Boone 50036, it is worth more than 19% of them ($123,664 against a typical $191,982), its price per square foot is higher than 49% of them ($143 against a typical $144), it is bigger than 10% of them (864 ft² against a typical 1,392 ft²), its lot is bigger than 24% of them (0.19 ac against a typical 0.25 ac) and it is newer than 57% of them (1959 against a typical 1949). Measured against all of Boone County, it is worth more than 17% 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 521 15th St, Boone, IA?

The 2024 property tax bill for 521 15th St, Boone, IA was $1,956. The county assessed it at $128,990.

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