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Single Family ResidenceResidential
$597,500$211 / 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 66How 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

507 MILL POND RD

ROCK RAPIDS, IA 51246
3 / 2
Baths
2,838 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.
0.34 ac
Lot SizeThe size of the land the home sits on, from county records.
2023
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
3
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$598K
$395K low$800K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,758 (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.$732,050 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$60,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$672,050
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$246,350
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$732,050

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.52
100
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
40
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.
45
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
15
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.197 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.51%
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.1 percent flood zone

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.Contemporary
CountyLYON
Lot (acres)The size of the land the home sits on, from county records.0.34
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.Yes
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.Patio · 200 ft²Porch · 149 ft²

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

E
Central Lyon Elementary SchoolA
Elementary · Grades PK–6 · 0.7 mi
M
Central Lyon Secondary SchoolA+
Middle · Grades 7–12 · 0.8 mi

District: Central Lyon Community School District

Neighborhood · ZIP 51246These 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.125
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.83
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.19

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.16%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.3.1%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.0.7%
PopulationHow many people live in this area.4,544
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.28 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$73,023
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$90,712
Average tempThe average temperature here across a full year.46°F
Annual precipHow much rain and melted snow falls here in a typical year.27 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

507 Mill Pond Rd 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 more than 95% of homes in Lyon County
  • Costs more per square foot than 76% of homes in Lyon County
  • Bigger than 96% of homes in Lyon County
  • Among the newest homes in Lyon County

What homes are worth in Rock Rapids 51246

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

This home
$67K$784K

This home is worth more than 94% of homes in Rock Rapids 51246.

How it measures up in Rock Rapids 51246

The dot is this home. The mark in the middle is the typical home in Rock Rapids 51246.

Estimated value$597,500
CheaperTypical $227,371Pricier

Pricier than 94% of homes nearby

Price per ft²$211
CheaperTypical $150Pricier

Pricier than 74% of homes nearby

Living area2,838 ft²
SmallerTypical 1,544 ft²Bigger

Bigger than 95% of homes nearby

Lot size0.34 ac
SmallerTypical 0.33 acBigger

Bigger than 53% of homes nearby

Year built2023
OlderTypical 1956Newer

Newer than 98% of homes nearby

How 507 Mill Pond Rd ranks against every home in each area.
MeasureThis homeRock Rapids 51246Lyon County
Estimated valuepricier than$597,50094% of homes95% of homes
Price per ft²pricier than$21174% of homes76% of homes
Living areabigger than2,838 ft²95% of homes96% of homes
Lot sizebigger than0.34 ac53% of homes46% of homes
Year builtnewer than202398% of homesalmost all homes

About 507 Mill Pond Rd

How much is 507 Mill Pond Rd, Rock Rapids, IA worth?

The TopHap Estimate for 507 Mill Pond Rd, Rock Rapids, IA is $597,500 as of Aug 30, 2026. The likely range is $394,863 to $800,137. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 507 Mill Pond Rd, Rock Rapids, IA last sell?

507 Mill Pond Rd, Rock Rapids, IA last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 507 Mill Pond Rd, Rock Rapids, IA?

507 Mill Pond Rd, Rock Rapids, IA has 3 bathrooms, 2,838 square feet of living space and a 0.34-acre lot.

When was 507 Mill Pond Rd, Rock Rapids, IA built?

507 Mill Pond Rd, Rock Rapids, IA was built in 2023, making it 3 years old. It is a contemporary home. The building has 2 stories.

What schools serve 507 Mill Pond Rd, Rock Rapids, IA?

507 Mill Pond Rd, Rock Rapids, IA is assigned to Central Lyon Elementary School (elementary), rated A; Central Lyon Secondary School (middle), rated A+. All sit in Central Lyon Community School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 507 Mill Pond Rd, Rock Rapids, IA compare to other homes in Rock Rapids 51246?

Among the 1,470 homes in Rock Rapids 51246, it is worth more than 94% of them ($597,500 against a typical $227,371), its price per square foot is higher than 74% of them ($211 against a typical $150), it is bigger than 95% of them (2,838 ft² against a typical 1,544 ft²), its lot is bigger than 53% of them (0.34 ac against a typical 0.33 ac) and it is newer than 98% of them (2023 against a typical 1956). Measured against all of Lyon County, it is worth more than 95% 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 507 Mill Pond Rd, Rock Rapids, IA?

The 2025 property tax bill for 507 Mill Pond Rd, Rock Rapids, IA was $3,758. The county assessed it at $732,050.

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