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Single Family ResidenceResidential
$332,042$261 / 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 92How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Aug 30, 2026
Last sold for $331,500 on Feb 19, 2025

909 KNOLL DR

NORWALK, IA 50211
3
Beds
3 / 1
Baths
1,274 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.
0.14 ac
Lot SizeThe size of the land the home sits on, from county records.
2024
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.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$332K
$305K low$359K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$331,500 · Feb 19, 2025

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4 (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.$310,400 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$56,400
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$254,000
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$200
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$310,400

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.30
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
19
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
72
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
52
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.

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
CountyWarren
Lot (acres)The size of the land the home sits on, from county records.0.14
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.Yes
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
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Deck · 100 ft²Porch · 20 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.

E
Oviatt Elementary School
Elementary · Grades PK–1 · 1.0 mi
H
Norwalk High SchoolB+
High · Grades 9–12 · 1.5 mi
M
Norwalk Middle SchoolB-
Middle · Grades 6–8 · 1.5 mi

District: Norwalk Community School District

Neighborhood · ZIP 50211These 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.108
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.108
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.24%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.4.6%
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.16,417
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.281 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$97,016
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$122,471
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

909 Knoll Dr 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.

  • Costs more per square foot than 79% of homes in Warren County
  • Smaller than 75% of homes in Norwalk 50211
  • Has a smaller lot than 89% of homes in Warren County
  • Among the newest homes in Norwalk 50211

What homes are worth in Norwalk 50211

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

This home
$172K$882K

This home is worth more than 51% of homes in Norwalk 50211.

How it measures up in Norwalk 50211

The dot is this home. The mark in the middle is the typical home in Norwalk 50211.

Estimated value$332,042
CheaperTypical $327,967Pricier

Pricier than 51% of homes nearby

Price per ft²$261
CheaperTypical $219Pricier

Pricier than 73% of homes nearby

Living area1,274 ft²
SmallerTypical 1,580 ft²Bigger

Bigger than 25% of homes nearby

Lot size0.14 ac
SmallerTypical 0.24 acBigger

Bigger than 18% of homes nearby

Year built2024
OlderTypical 2005Newer

Newer than almost all homes nearby

How 909 Knoll Dr ranks against every home in each area.
MeasureThis homeNorwalk 50211Warren County
Estimated valuepricier than$332,04251% of homes60% of homes
Price per ft²pricier than$26173% of homes79% of homes
Living areabigger than1,274 ft²25% of homes31% of homes
Lot sizebigger than0.14 ac18% of homes11% of homes
Year builtnewer than2024almost all homesalmost all homes

About 909 Knoll Dr

How much is 909 Knoll Dr, Norwalk, IA worth?

The TopHap Estimate for 909 Knoll Dr, Norwalk, IA is $332,042 as of Aug 30, 2026. The likely range is $305,068 to $359,016. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 909 Knoll Dr, Norwalk, IA last sell?

909 Knoll Dr, Norwalk, IA last sold on Feb 19, 2025 for $331,500, according to the county's recorded deed.

How big is 909 Knoll Dr, Norwalk, IA?

909 Knoll Dr, Norwalk, IA has 3 bedrooms, 3 bathrooms, 1,274 square feet of living space and a 0.14-acre lot.

When was 909 Knoll Dr, Norwalk, IA built?

909 Knoll Dr, Norwalk, IA was built in 2024, making it 2 years old. The building has 1 story.

What schools serve 909 Knoll Dr, Norwalk, IA?

909 Knoll Dr, Norwalk, IA is assigned to Oviatt Elementary School (elementary); Norwalk High School (high), rated B+; Norwalk Middle School (middle), rated B-. All sit in Norwalk Community School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 909 Knoll Dr, Norwalk, IA compare to other homes in Norwalk 50211?

Among the 6,548 homes in Norwalk 50211, it is worth more than 51% of them ($332,042 against a typical $327,967), its price per square foot is higher than 73% of them ($261 against a typical $219), it is bigger than 25% of them (1,274 ft² against a typical 1,580 ft²), its lot is bigger than 18% of them (0.14 ac against a typical 0.24 ac) and it is newer than almost all of them (2024 against a typical 2005). Measured against all of Warren County, it is worth more than 60% 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 909 Knoll Dr, Norwalk, IA?

The 2024 property tax bill for 909 Knoll Dr, Norwalk, IA was $4. The county assessed it at $310,400.

More homes on Knoll Dr

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Assigned schools

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