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Single Family ResidenceResidential
$190,334$124 / 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 93How 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 $139,500 on May 29, 2020

509 4TH AVE SW

AUSTIN, MN 55912
4
Beds
2
Baths
1,531 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.
0.13 ac
Lot SizeThe size of the land the home sits on, from county records.
1923
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
10
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
1
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$190K
$176K low$204K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$139,500 · May 29, 2020

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,510 (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.$211,500 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$25,600
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$185,900
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$208,700
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$211,500

Climate Risk

Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.2 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%
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
CountyMOWER
Lot (acres)The size of the land the home sits on, from county records.0.13
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.Yes
CoolingThe type of cooling or air conditioning in the home.Yes
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Detached
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(6)

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
Austin Senior High SchoolC-
High · Grades 9–12 · 0.4 mi
E
Banfield Elementary SchoolC-
Elementary · Grades PK–4 · 0.8 mi
M
Ellis Middle SchoolD+
Middle · Grades 7–8 · 1.5 mi

District: Austin Public School District

Neighborhood · ZIP 55912These 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.101
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.79
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.14%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.10%
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.30,915
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.165 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$65,627
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$78,611
Average tempThe average temperature here across a full year.45°F
Annual precipHow much rain and melted snow falls here in a typical year.33 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.58%

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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

509 4th 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.

  • Costs less per square foot than 66% of homes in Mower County
  • Bigger than 71% of homes in Austin 55912
  • Has a smaller lot than 87% of homes in Mower County
  • Older than 83% of homes in Austin 55912

What homes are worth in Austin 55912

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

This home
$48K$515K

This home is worth more than 59% of homes in Austin 55912.

How it measures up in Austin 55912

The dot is this home. The mark in the middle is the typical home in Austin 55912.

Estimated value$190,334
CheaperTypical $170,070Pricier

Pricier than 59% of homes nearby

Price per ft²$124
CheaperTypical $144Pricier

Pricier than 35% of homes nearby

Living area1,531 ft²
SmallerTypical 1,244 ft²Bigger

Bigger than 71% of homes nearby

Lot size0.13 ac
SmallerTypical 0.2 acBigger

Bigger than 17% of homes nearby

Year built1923
OlderTypical 1950Newer

Newer than 17% of homes nearby

How 509 4th Ave Sw ranks against every home in each area.
MeasureThis homeAustin 55912Mower County
Estimated valuepricier than$190,33459% of homes53% of homes
Price per ft²pricier than$12435% of homes34% of homes
Living areabigger than1,531 ft²71% of homes66% of homes
Lot sizebigger than0.13 ac17% of homes13% of homes
Year builtnewer than192317% of homes22% of homes

About 509 4th Ave Sw

How much is 509 4th Ave Sw, Austin, MN worth?

The TopHap Estimate for 509 4th Ave Sw, Austin, MN is $190,334 as of Sep 24, 2026. The likely range is $176,319 to $204,349. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 509 4th Ave Sw, Austin, MN last sell?

509 4th Ave Sw, Austin, MN last sold on May 29, 2020 for $139,500, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 509 4th Ave Sw, Austin, MN?

509 4th Ave Sw, Austin, MN has 4 bedrooms, 2 bathrooms, 1,531 square feet of living space and a 0.13-acre lot.

When was 509 4th Ave Sw, Austin, MN built?

509 4th Ave Sw, Austin, MN was built in 1923, making it 103 years old. The building has 1 story.

What schools serve 509 4th Ave Sw, Austin, MN?

509 4th Ave Sw, Austin, MN is assigned to Austin Senior High School (high), rated C-; Banfield Elementary School (elementary), rated C-; Ellis Middle School (middle), rated D+. All sit in Austin Public School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 509 4th Ave Sw, Austin, MN compare to other homes in Austin 55912?

Among the 11,446 homes in Austin 55912, it is worth more than 59% of them ($190,334 against a typical $170,070), its price per square foot is higher than 35% of them ($124 against a typical $144), it is bigger than 71% of them (1,531 ft² against a typical 1,244 ft²), its lot is bigger than 17% of them (0.13 ac against a typical 0.2 ac) and it is newer than 17% of them (1923 against a typical 1950). Measured against all of Mower County, it is worth more than 53% 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 509 4th Ave Sw, Austin, MN?

The 2026 property tax bill for 509 4th Ave Sw, Austin, MN was $2,510. The county assessed it at $211,500.

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