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Single Family ResidenceResidential
$111,631$135 / 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 82How 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

3510 SW 21ST ST

TOPEKA, KS 66604
2
Beds
1
Baths
828 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.
0.15 ac
Lot SizeThe size of the land the home sits on, from county records.
1930
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.

Valuation

$112K
$91K low$132K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$730 (2025)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$5,564 (2025)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$5,564
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$48,380

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.37
10
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
38
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
74
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.
13
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.6 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.6%
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
StyleThe architectural style of the home, such as ranch or colonial.Ranch
CountyShawnee
Lot (acres)The size of the land the home sits on, from county records.0.15
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.Composition Shingle
HeatingThe type of heating system in the home.Floor/Wall Furnace
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 · 180 ft²Porch · 240 ft²

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

E
Whitson Elementary SchoolB+
Elementary · Grades KG–5 · 0.5 mi
H
Topeka West High SchoolD
High · Grades 9–12 · 1.4 mi
M
French Middle SchoolD+
Middle · Grades 6–8 · 2.0 mi

District: Topeka Public Schools Unified School District 501

Neighborhood · ZIP 66604These 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.121
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.90
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.37

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.92%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.22%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.16%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.1%
PopulationHow many people live in this area.23,197
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.3,642 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$60,377
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$74,777
Average tempThe average temperature here across a full year.55°F
Annual precipHow much rain and melted snow falls here in a typical year.36 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.61%

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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

3510 Sw 21st 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 79% of homes in Topeka 66604
  • Costs more per square foot than 65% of homes in Topeka 66604
  • Smaller than 93% of homes in Topeka 66604
  • Has a smaller lot than 83% of homes in Shawnee County
  • Older than 82% of homes in Shawnee County

What homes are worth in Topeka 66604

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

This home
$60K$428K

This home is worth more than 21% of homes in Topeka 66604.

How it measures up in Topeka 66604

The dot is this home. The mark in the middle is the typical home in Topeka 66604.

Estimated value$111,631
CheaperTypical $161,421Pricier

Pricier than 21% of homes nearby

Price per ft²$135
CheaperTypical $123Pricier

Pricier than 65% of homes nearby

Living area828 ft²
SmallerTypical 1,360 ft²Bigger

Bigger than 7% of homes nearby

Lot size0.15 ac
SmallerTypical 0.18 acBigger

Bigger than 30% of homes nearby

Year built1930
OlderTypical 1945Newer

Newer than 35% of homes nearby

How 3510 Sw 21st St ranks against every home in each area.
MeasureThis homeTopeka 66604Shawnee County
Estimated valuepricier than$111,63121% of homes22% of homes
Price per ft²pricier than$13565% of homes46% of homes
Living areabigger than828 ft²7% of homes8% of homes
Lot sizebigger than0.15 ac30% of homes17% of homes
Year builtnewer than193035% of homes18% of homes

About 3510 Sw 21st St

How much is 3510 Sw 21st St, Topeka, KS worth?

The TopHap Estimate for 3510 Sw 21st St, Topeka, KS is $111,631 as of Oct 21, 2026. The likely range is $91,378 to $131,884. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

How big is 3510 Sw 21st St, Topeka, KS?

3510 Sw 21st St, Topeka, KS has 2 bedrooms, 1 bathrooms, 828 square feet of living space and a 0.15-acre lot.

When was 3510 Sw 21st St, Topeka, KS built?

3510 Sw 21st St, Topeka, KS was built in 1930, making it 96 years old. It is a ranch home. The building has 1 story.

What schools serve 3510 Sw 21st St, Topeka, KS?

3510 Sw 21st St, Topeka, KS is assigned to Whitson Elementary School (elementary), rated B+; Topeka West High School (high), rated D; French Middle School (middle), rated D+. All sit in Topeka Public Schools Unified School District 501. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 3510 Sw 21st St, Topeka, KS compare to other homes in Topeka 66604?

Among the 8,522 homes in Topeka 66604, it is worth more than 21% of them ($111,631 against a typical $161,421), its price per square foot is higher than 65% of them ($135 against a typical $123), it is bigger than 7% of them (828 ft² against a typical 1,360 ft²), its lot is bigger than 30% of them (0.15 ac against a typical 0.18 ac) and it is newer than 35% of them (1930 against a typical 1945). Measured against all of Shawnee County, it is worth more than 22% 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 3510 Sw 21st St, Topeka, KS?

The 2025 property tax bill for 3510 Sw 21st St, Topeka, KS was $730. The county assessed it at $5,564.

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