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Single Family ResidenceResidential
$224,767$158 / 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 84How 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 $130,000 on Nov 3, 2009

640 N DUNCAN ST

HARTFORD, IA 50118
2
Beds
1
Baths
1,423 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.
0.38 ac
Lot SizeThe size of the land the home sits on, from county records.
1964
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
6
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
7
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$225K
$188K low$262K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$130,000 · Nov 3, 2009

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,182 (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.$212,200 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$35,400
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$176,800
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$197,900
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$212,200

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyWarren
Lot (acres)The size of the land the home sits on, from county records.0.38
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.Hot Water
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, Detached
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Deck · 224 ft²

Transaction History(2)

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
Carlisle High SchoolA-
High · Grades 9–12 · 5.2 mi
E
Carlisle ElementaryB-
Elementary · Grades PK–3 · 5.2 mi
M
Carlisle Middle SchoolC-
Middle · Grades 6–8 · 5.8 mi

District: Carlisle Community School District

Neighborhood · ZIP 50118These 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.141
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.94
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.17%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.5.2%
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.632
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.47 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$87,775
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$102,398
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

640 N Duncan 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 73% of homes in Hartford 50118
  • Costs less per square foot than 75% of homes in Warren County
  • Older than 76% of homes in Warren County

What homes are worth in Hartford 50118

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

This home
$100K$445K

This home is worth more than 73% of homes in Hartford 50118.

How it measures up in Hartford 50118

The dot is this home. The mark in the middle is the typical home in Hartford 50118.

Estimated value$224,767
CheaperTypical $190,052Pricier

Pricier than 73% of homes nearby

Price per ft²$158
CheaperTypical $150Pricier

Pricier than 54% of homes nearby

Living area1,423 ft²
SmallerTypical 1,288 ft²Bigger

Bigger than 60% of homes nearby

Lot size0.38 ac
SmallerTypical 0.35 acBigger

Bigger than 53% of homes nearby

Year built1964
OlderTypical 1968Newer

Newer than 45% of homes nearby

How 640 N Duncan St ranks against every home in each area.
MeasureThis homeHartford 50118Warren County
Estimated valuepricier than$224,76773% of homes28% of homes
Price per ft²pricier than$15854% of homes25% of homes
Living areabigger than1,423 ft²60% of homes41% of homes
Lot sizebigger than0.38 ac53% of homes59% of homes
Year builtnewer than196445% of homes24% of homes

About 640 N Duncan St

How much is 640 N Duncan St, Hartford, IA worth?

The TopHap Estimate for 640 N Duncan St, Hartford, IA is $224,767 as of Sep 24, 2026. The likely range is $187,714 to $261,820. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 640 N Duncan St, Hartford, IA last sell?

640 N Duncan St, Hartford, IA last sold on Nov 3, 2009 for $130,000, according to the county's recorded deed.

How big is 640 N Duncan St, Hartford, IA?

640 N Duncan St, Hartford, IA has 2 bedrooms, 1 bathrooms, 1,423 square feet of living space and a 0.38-acre lot.

When was 640 N Duncan St, Hartford, IA built?

640 N Duncan St, Hartford, IA was built in 1964, making it 62 years old. The building has 1 story.

What schools serve 640 N Duncan St, Hartford, IA?

640 N Duncan St, Hartford, IA is assigned to Carlisle High School (high), rated A-; Carlisle Elementary (elementary), rated B-; Carlisle Middle School (middle), rated C-. All sit in Carlisle Community School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 640 N Duncan St, Hartford, IA compare to other homes in Hartford 50118?

Among the 296 homes in Hartford 50118, it is worth more than 73% of them ($224,767 against a typical $190,052), its price per square foot is higher than 54% of them ($158 against a typical $150), it is bigger than 60% of them (1,423 ft² against a typical 1,288 ft²), its lot is bigger than 53% of them (0.38 ac against a typical 0.35 ac) and it is newer than 45% of them (1964 against a typical 1968). Measured against all of Warren County, it is worth more than 28% 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 640 N Duncan St, Hartford, IA?

The 2024 property tax bill for 640 N Duncan St, Hartford, IA was $3,182. The county assessed it at $212,200.

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