Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$326,671$160 / 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 83How 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 $20,000 on Apr 17, 2002

1729 340TH ST

MADRID, IA 50156
3
Beds
4 / 2
Baths
2,037 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.
0.92 ac
Lot SizeThe size of the land the home sits on, from county records.
2002
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
8
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
4
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$327K
$273K low$381K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$20,000 · Apr 17, 2002

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$5,368 (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.$422,210 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$47,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$375,210
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$436,310
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$422,210

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.42
51
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
26
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
69
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
56
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
10
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.15 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%

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.0.92
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.Concrete
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
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, Attached
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 · 216 ft²Patio · 216 ft²Porch · 355 ft²

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 · 1.0 mi
H
Madrid High SchoolB+
High · Grades 9–12 · 1.6 mi
M
Madrid Junior High SchoolB-
Middle · Grades 6–8 · 1.6 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

Do you own this home?
Claim this home

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

1729 340th 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 more than 78% of homes in Boone County
  • Costs less per square foot than 67% of homes in Madrid 50156
  • Bigger than 84% of homes in Madrid 50156
  • Has a bigger lot than 67% of homes in Boone County
  • Newer than 85% 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
$102K$744K

This home is worth more than 66% 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$326,671
CheaperTypical $264,315Pricier

Pricier than 66% of homes nearby

Price per ft²$160
CheaperTypical $194Pricier

Pricier than 33% of homes nearby

Living area2,037 ft²
SmallerTypical 1,446 ft²Bigger

Bigger than 84% of homes nearby

Lot size0.92 ac
SmallerTypical 0.43 acBigger

Bigger than 60% of homes nearby

Year built2002
OlderTypical 1964Newer

Newer than 80% of homes nearby

How 1729 340th St ranks against every home in each area.
MeasureThis homeMadrid 50156Boone County
Estimated valuepricier than$326,67166% of homes78% of homes
Price per ft²pricier than$16033% of homes56% of homes
Living areabigger than2,037 ft²84% of homes84% of homes
Lot sizebigger than0.92 ac60% of homes67% of homes
Year builtnewer than200280% of homes85% of homes

About 1729 340th St

How much is 1729 340th St, Madrid, IA worth?

The TopHap Estimate for 1729 340th St, Madrid, IA is $326,671 as of Oct 21, 2026. The likely range is $272,599 to $380,743. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 1729 340th St, Madrid, IA last sell?

1729 340th St, Madrid, IA last sold on Apr 17, 2002 for $20,000, according to the county's recorded deed.

How big is 1729 340th St, Madrid, IA?

1729 340th St, Madrid, IA has 3 bedrooms, 4 bathrooms, 2,037 square feet of living space and a 0.92-acre lot.

When was 1729 340th St, Madrid, IA built?

1729 340th St, Madrid, IA was built in 2002, making it 24 years old. The building has 2 stories.

What schools serve 1729 340th St, Madrid, IA?

1729 340th 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 1729 340th St, Madrid, IA compare to other homes in Madrid 50156?

Among the 1,759 homes in Madrid 50156, it is worth more than 66% of them ($326,671 against a typical $264,315), its price per square foot is higher than 33% of them ($160 against a typical $194), it is bigger than 84% of them (2,037 ft² against a typical 1,446 ft²), its lot is bigger than 60% of them (0.92 ac against a typical 0.43 ac) and it is newer than 80% of them (2002 against a typical 1964). Measured against all of Boone County, it is worth more than 78% 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 1729 340th St, Madrid, IA?

The 2024 property tax bill for 1729 340th St, Madrid, IA was $5,368. The county assessed it at $422,210.

More homes on 340th St

Closest homes

More homes in Madrid 50156

Assigned schools

Explore the area

See this home in context

Open 1729 340th St on TopHap’s interactive map to compare it against every sale nearby, overlay school zones and flood risk, and run a CMA.

Open in map
A flyover of TopHap's photorealistic 3D map, with recorded sale prices pinned to homes
Search any address, city, zip, or county…3D$1.9M$6.25MOpen in map