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Single Family ResidenceResidential
Last sold for $320,000 on Apr 20, 2026

921 KNOLL DR

NORWALK, IA 50211
3
Beds
2
Baths
1,185 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.
2022
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

Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$320,000 · Apr 20, 2026

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,192 (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.$291,800 (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.$235,400
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$292,700
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$291,800

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.31
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
22
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
Effective Year BuiltAn adjusted build year that accounts for condition and major remodels. A big renovation can make a home count as newer than it is.2023
Lot (acres)The size of the land the home sits on, from county records.0.14
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
HeatingThe type of heating system in the home.Forced Air With Air Conditioning
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 · 100 ft²Porch · 35 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.

E
Oviatt Elementary School
Elementary · Grades PK–1 · 1.1 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

921 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.

  • Smaller than 79% of homes in Norwalk 50211
  • Has a smaller lot than 90% of homes in Warren County
  • Newer than 95% of homes in Warren County

How it measures up in Norwalk 50211

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

Living area1,185 ft²
SmallerTypical 1,580 ft²Bigger

Bigger than 21% of homes nearby

Lot size0.14 ac
SmallerTypical 0.24 acBigger

Bigger than 18% of homes nearby

Year built2022
OlderTypical 2005Newer

Newer than 92% of homes nearby

How 921 Knoll Dr ranks against every home in each area.
MeasureThis homeNorwalk 50211Warren County
Living areabigger than1,185 ft²21% of homes25% of homes
Lot sizebigger than0.14 ac18% of homes10% of homes
Year builtnewer than202292% of homes95% of homes

About 921 Knoll Dr

When did 921 Knoll Dr, Norwalk, IA last sell?

921 Knoll Dr, Norwalk, IA last sold on Apr 20, 2026 for $320,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 921 Knoll Dr, Norwalk, IA?

921 Knoll Dr, Norwalk, IA has 3 bedrooms, 2 bathrooms, 1,185 square feet of living space and a 0.14-acre lot.

When was 921 Knoll Dr, Norwalk, IA built?

921 Knoll Dr, Norwalk, IA was built in 2022, making it 4 years old. The building has 1 story.

What schools serve 921 Knoll Dr, Norwalk, IA?

921 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 921 Knoll Dr, Norwalk, IA compare to other homes in Norwalk 50211?

Among the 6,546 homes in Norwalk 50211, it is bigger than 21% of them (1,185 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 92% of them (2022 against a typical 2005). These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 921 Knoll Dr, Norwalk, IA?

The 2024 property tax bill for 921 Knoll Dr, Norwalk, IA was $4,192. The county assessed it at $291,800.

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