Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$130,820$126 / 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 96How 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 $129,900 on Oct 28, 2009

421 21ST AVE SW

ROCHESTER, MN 55902
3
Beds
2
Baths
1,040 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.
1963
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.

Valuation

$131K
$126K low$136K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$129,900 · Oct 28, 2009

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,902 (2026)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$202,800 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$35,500
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$167,300
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$222,900
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$228,700

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.34
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
13
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
62
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.
44
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.
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
CountyOLMSTED
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.1990
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.Wood (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
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 · 168 ft²

Transaction History(4)

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
Folwell Elementary SchoolA-
Elementary · Grades PK–5 · 0.5 mi
H
Mayo High SchoolA
High · Grades 9–12 · 2.7 mi
M
John Adams Middle SchoolC
Middle · Grades 6–8 · 2.7 mi

District: Rochester Public School District

Neighborhood · ZIP 55902These 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.76
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.82
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.14

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.94%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.29%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.5.8%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.0.8%
PopulationHow many people live in this area.26,266
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.635 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$122,949
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$170,465
Average tempThe average temperature here across a full year.44°F
Annual precipHow much rain and melted snow falls here in a typical year.32 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.59%

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

421 21st Ave Sw 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 98% of homes in Rochester 55902
  • Costs less per square foot than 96% of homes in Rochester 55902
  • Smaller than 89% of homes in Rochester 55902
  • Has a smaller lot than 81% of homes in Rochester 55902
  • Older than 77% of homes in Rochester 55902

What homes are worth in Rochester 55902

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

This home
$140K$1.4M

This home is worth more than 2% of homes in Rochester 55902.

How it measures up in Rochester 55902

The dot is this home. The mark in the middle is the typical home in Rochester 55902.

Estimated value$130,820
CheaperTypical $415,776Pricier

Pricier than 2% of homes nearby

Price per ft²$126
CheaperTypical $232Pricier

Pricier than 4% of homes nearby

Living area1,040 ft²
SmallerTypical 1,820 ft²Bigger

Bigger than 11% of homes nearby

Lot size0.15 ac
SmallerTypical 0.29 acBigger

Bigger than 19% of homes nearby

Year built1963
OlderTypical 1991Newer

Newer than 23% of homes nearby

How 421 21st Ave Sw ranks against every home in each area.
MeasureThis homeRochester 55902Olmsted County
Estimated valuepricier than$130,8202% of homes3% of homes
Price per ft²pricier than$1264% of homes6% of homes
Living areabigger than1,040 ft²11% of homes22% of homes
Lot sizebigger than0.15 ac19% of homes25% of homes
Year builtnewer than196323% of homes24% of homes

About 421 21st Ave Sw

How much is 421 21st Ave Sw, Rochester, MN worth?

The TopHap Estimate for 421 21st Ave Sw, Rochester, MN is $130,820 as of Aug 30, 2026. The likely range is $125,981 to $135,659. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 421 21st Ave Sw, Rochester, MN last sell?

421 21st Ave Sw, Rochester, MN last sold on Oct 28, 2009 for $129,900, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 421 21st Ave Sw, Rochester, MN?

421 21st Ave Sw, Rochester, MN has 3 bedrooms, 2 bathrooms, 1,040 square feet of living space and a 0.15-acre lot.

When was 421 21st Ave Sw, Rochester, MN built?

421 21st Ave Sw, Rochester, MN was built in 1963, making it 63 years old. It is a ranch home. The building has 1 story.

What schools serve 421 21st Ave Sw, Rochester, MN?

421 21st Ave Sw, Rochester, MN is assigned to Folwell Elementary School (elementary), rated A-; Mayo High School (high), rated A; John Adams Middle School (middle), rated C. All sit in Rochester Public School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 421 21st Ave Sw, Rochester, MN compare to other homes in Rochester 55902?

Among the 9,331 homes in Rochester 55902, it is worth more than 2% of them ($130,820 against a typical $415,776), its price per square foot is higher than 4% of them ($126 against a typical $232), it is bigger than 11% of them (1,040 ft² against a typical 1,820 ft²), its lot is bigger than 19% of them (0.15 ac against a typical 0.29 ac) and it is newer than 23% of them (1963 against a typical 1991). Measured against all of Olmsted County, it is worth more than 3% 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 421 21st Ave Sw, Rochester, MN?

The 2026 property tax bill for 421 21st Ave Sw, Rochester, MN was $2,902. The county assessed it at $202,800.

More homes on 21st Ave Sw

Closest homes

More homes in Rochester 55902

Assigned schools

Explore the area

See this home in context

Open 421 21st Ave Sw 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