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Single Family ResidenceResidential
$120,653$253 / 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 91How 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 $46,351 on Dec 9, 2019

509 3RD ST SW

MONTGOMERY, MN 56069
1
Beds
1
Baths
476 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.
0.18 ac
Lot SizeThe size of the land the home sits on, from county records.
1946
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
4
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$121K
$110K low$131K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$46,351 · Dec 9, 2019

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,622 (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.$127,100 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$34,800
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$92,300
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$124,900
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$127,100

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.14 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.''

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
CountyLE SUEUR
Lot (acres)The size of the land the home sits on, from county records.0.18
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.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

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
Montgomery Elementary - Middle SchoolC+
Elementary · Grades EE–8 · 0.6 mi
H
Tri - City United High SchoolC
High · Grades 9–12 · 1.0 mi

District: Tri-City United School District

Neighborhood · ZIP 56069These 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.116
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.88
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.13

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.15%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.6.9%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.4%
PopulationHow many people live in this area.5,216
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.67 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$80,141
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$92,332
Average tempThe average temperature here across a full year.45°F
Annual precipHow much rain and melted snow falls here in a typical year.31 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 3rd St 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.

  • Among the least valuable homes in Montgomery 56069
  • Costs more per square foot than 69% of homes in Montgomery 56069
  • Among the smallest homes in Le Sueur County
  • Has a smaller lot than 85% of homes in Le Sueur County
  • Older than 75% of homes in Le Sueur County

What homes are worth in Montgomery 56069

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

This home
$129K$773K

This home is worth less than almost all homes in Montgomery 56069.

How it measures up in Montgomery 56069

The dot is this home. The mark in the middle is the typical home in Montgomery 56069.

Estimated value$120,653
CheaperTypical $298,434Pricier

Cheaper than almost all homes nearby

Price per ft²$253
CheaperTypical $211Pricier

Pricier than 69% of homes nearby

Living area476 ft²
SmallerTypical 1,402 ft²Bigger

Smaller than almost all homes nearby

Lot size0.18 ac
SmallerTypical 0.36 acBigger

Bigger than 19% of homes nearby

Year built1946
OlderTypical 1971Newer

Newer than 30% of homes nearby

How 509 3rd St Sw ranks against every home in each area.
MeasureThis homeMontgomery 56069Le Sueur County
Estimated valuepricier than$120,653almost no homes3% of homes
Price per ft²pricier than$25369% of homes68% of homes
Living areabigger than476 ft²almost no homesalmost no homes
Lot sizebigger than0.18 ac19% of homes15% of homes
Year builtnewer than194630% of homes25% of homes

About 509 3rd St Sw

How much is 509 3rd St Sw, Montgomery, MN worth?

The TopHap Estimate for 509 3rd St Sw, Montgomery, MN is $120,653 as of Sep 24, 2026. The likely range is $109,814 to $131,492. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 509 3rd St Sw, Montgomery, MN last sell?

509 3rd St Sw, Montgomery, MN last sold on Dec 9, 2019 for $46,351, according to the county's recorded deed.

How big is 509 3rd St Sw, Montgomery, MN?

509 3rd St Sw, Montgomery, MN has 1 bedrooms, 1 bathrooms, 476 square feet of living space and a 0.18-acre lot.

When was 509 3rd St Sw, Montgomery, MN built?

509 3rd St Sw, Montgomery, MN was built in 1946, making it 80 years old. The building has 1 story.

What schools serve 509 3rd St Sw, Montgomery, MN?

509 3rd St Sw, Montgomery, MN is assigned to Montgomery Elementary - Middle School (elementary), rated C+; Tri - City United High School (high), rated C. All sit in Tri-City United School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 509 3rd St Sw, Montgomery, MN compare to other homes in Montgomery 56069?

Among the 2,174 homes in Montgomery 56069, it is worth more than almost none of them ($120,653 against a typical $298,434), its price per square foot is higher than 69% of them ($253 against a typical $211), it is bigger than almost none of them (476 ft² against a typical 1,402 ft²), its lot is bigger than 19% of them (0.18 ac against a typical 0.36 ac) and it is newer than 30% of them (1946 against a typical 1971). Measured against all of Le Sueur 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 509 3rd St Sw, Montgomery, MN?

The 2026 property tax bill for 509 3rd St Sw, Montgomery, MN was $1,622. The county assessed it at $127,100.

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