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Single Family ResidenceResidential
$205,606$129 / 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 89How 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
Last sold for $205,000 on Jan 21, 2025

501 S UNION ST

MADRID, IA 50156
3
Beds
4 / 1
Baths
1,596 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.
1999
Year BuiltThe year the home was originally built, according to county records.
7
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$206K
$183K low$228K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$205,000 · Jan 21, 2025

Tax & Assessment

Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$159,860 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$55,880
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$103,980
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$154,411
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$159,860

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.31 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
CountyBoone
Lot (acres)The size of the land the home sits on, from county records.0.51
FoundationWhat the home is built on, such as a concrete slab, a crawl space, or a basement.Pier/Post & Beam
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.Deck · 302 ft²Patio · 372 ft²

Transaction History(4)

Sales and refinances filed with the county for this home. Not every transfer is a normal sale, so check the type before comparing prices.

Foreclosure Filings(1)

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

E
Madrid Elementary SchoolB
Elementary · Grades KG–5 · 0.4 mi
H
Madrid High SchoolB+
High · Grades 9–12 · 0.8 mi
M
Madrid Junior High SchoolB-
Middle · Grades 6–8 · 0.8 mi

District: Madrid Community School District

Neighborhood · ZIP 50156These 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.87
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.97
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.95%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.27%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.8.1%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.0%
PopulationHow many people live in this area.7,341
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.81 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$109,355
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$118,956
Average tempThe average temperature here across a full year.49°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

501 S Union 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 68% of homes in Madrid 50156
  • Costs less per square foot than 83% of homes in Madrid 50156
  • Newer than 83% of homes in Boone County

What homes are worth in Madrid 50156

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

This home
$91K$743K

This home is worth more than 32% of homes in Madrid 50156.

How it measures up in Madrid 50156

The dot is this home. The mark in the middle is the typical home in Madrid 50156.

Estimated value$205,606
CheaperTypical $262,760Pricier

Pricier than 32% of homes nearby

Price per ft²$129
CheaperTypical $192Pricier

Pricier than 17% of homes nearby

Living area1,596 ft²
SmallerTypical 1,447 ft²Bigger

Bigger than 61% of homes nearby

Lot size0.51 ac
SmallerTypical 0.41 acBigger

Bigger than 53% of homes nearby

Year built1999
OlderTypical 1963Newer

Newer than 76% of homes nearby

How 501 S Union St ranks against every home in each area.
MeasureThis homeMadrid 50156Boone County
Estimated valuepricier than$205,60632% of homes51% of homes
Price per ft²pricier than$12917% of homes39% of homes
Living areabigger than1,596 ft²61% of homes62% of homes
Lot sizebigger than0.51 ac53% of homes62% of homes
Year builtnewer than199976% of homes83% of homes

About 501 S Union St

How much is 501 S Union St, Madrid, IA worth?

The TopHap Estimate for 501 S Union St, Madrid, IA is $205,606 as of Oct 21, 2026. The likely range is $182,984 to $228,228. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 501 S Union St, Madrid, IA last sell?

501 S Union St, Madrid, IA last sold on Jan 21, 2025 for $205,000, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 501 S Union St, Madrid, IA?

501 S Union St, Madrid, IA has 3 bedrooms, 4 bathrooms, 1,596 square feet of living space and a 0.51-acre lot.

When was 501 S Union St, Madrid, IA built?

501 S Union St, Madrid, IA was built in 1999, making it 27 years old.

What schools serve 501 S Union St, Madrid, IA?

501 S Union St, Madrid, IA is assigned to Madrid Elementary School (elementary), rated B; Madrid High School (high), rated B+; Madrid Junior High School (middle), rated B-. All sit in Madrid Community School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 501 S Union St, Madrid, IA compare to other homes in Madrid 50156?

Among the 1,757 homes in Madrid 50156, it is worth more than 32% of them ($205,606 against a typical $262,760), its price per square foot is higher than 17% of them ($129 against a typical $192), it is bigger than 61% of them (1,596 ft² against a typical 1,447 ft²), its lot is bigger than 53% of them (0.51 ac against a typical 0.41 ac) and it is newer than 76% of them (1999 against a typical 1963). Measured against all of Boone County, it is worth more than 51% of homes there. These shares are recounted nightly from the full county assessor record for each area, not from active listings.

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Assigned schools

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