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Single Family ResidenceResidential
$445,424$239 / 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 85How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Jul 14, 2026
Last sold for $113,000 on Apr 28, 1995

306 S 12TH AVE

ROCK RAPIDS, IA 51246
4 / 2
Baths
1,866 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.
1 ac
Lot SizeThe size of the land the home sits on, from county records.
1959
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
8
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
6
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$445K
$381K low$510K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$113,000 · Apr 28, 1995
Est. Owner EquityRoughly how much of the home's value the owner would keep after paying off known loans. It is our estimate minus the loans still owed.$325,424
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$260,339
Loan-to-ValueHow much is still owed on the home compared to what it is worth. 80% means loans equal 80% of our estimate, so it shifts when the estimate does.26%
1st MortgageA loan still believed to be open on this home, in the order lenders get repaid. The first position is paid back before the second.$120,000
SECURITY SAVINGS BANK · recorded Jul 13, 2010

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,784 (2024)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$372,220 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$51,160
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$321,060
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$337,470
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$372,220

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
CountyLyon
Lot (acres)The size of the land the home sits on, from county records.1.00
ConstructionThe main material the home's frame and walls are built from.Brick
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
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.Mixed
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Patio · 460 ft²Porch · 22 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 · 0.1 mi
M
Central Lyon Secondary SchoolA+
Middle · Grades 7–12 · 0.1 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%

Ownership

OccupancyWhether the owner appears to live here or somewhere else. It is inferred from the mailing address on record.Owner occupied
Company ownedWhether the owner is a company or trust rather than a person.No

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

306 S 12th Ave 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 82% of homes in Rock Rapids 51246
  • Costs more per square foot than 77% of homes in Rock Rapids 51246
  • Bigger than 73% of homes in Rock Rapids 51246
  • Has a bigger lot than 69% of homes in Rock Rapids 51246

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
$73K$793K

This home is worth more than 82% 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$445,424
CheaperTypical $242,985Pricier

Pricier than 82% of homes nearby

Price per ft²$239
CheaperTypical $162Pricier

Pricier than 77% of homes nearby

Living area1,866 ft²
SmallerTypical 1,545 ft²Bigger

Bigger than 73% of homes nearby

Lot size1 ac
SmallerTypical 0.33 acBigger

Bigger than 69% of homes nearby

Year built1959
OlderTypical 1956Newer

Newer than 54% of homes nearby

How 306 S 12th Ave ranks against every home in each area.
MeasureThis homeRock Rapids 51246Lyon County
Estimated valuepricier than$445,42482% of homes80% of homes
Price per ft²pricier than$23977% of homes75% of homes
Living areabigger than1,866 ft²73% of homes72% of homes
Lot sizebigger than1 ac69% of homes62% of homes
Year builtnewer than195954% of homes53% of homes

About 306 S 12th Ave

How much is 306 S 12th Ave, Rock Rapids, IA worth?

The TopHap Estimate for 306 S 12th Ave, Rock Rapids, IA is $445,424 as of Jul 14, 2026. The likely range is $380,707 to $510,141. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 306 S 12th Ave, Rock Rapids, IA last sell?

306 S 12th Ave, Rock Rapids, IA last sold on Apr 28, 1995 for $113,000, according to the county's recorded deed.

How big is 306 S 12th Ave, Rock Rapids, IA?

306 S 12th Ave, Rock Rapids, IA has 4 bathrooms, 1,866 square feet of living space and a 1.00-acre lot.

When was 306 S 12th Ave, Rock Rapids, IA built?

306 S 12th Ave, Rock Rapids, IA was built in 1959, making it 67 years old. It is a ranch home. The building has 1 story.

What schools serve 306 S 12th Ave, Rock Rapids, IA?

306 S 12th Ave, 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 306 S 12th Ave, Rock Rapids, IA compare to other homes in Rock Rapids 51246?

Among the 1,469 homes in Rock Rapids 51246, it is worth more than 82% of them ($445,424 against a typical $242,985), its price per square foot is higher than 77% of them ($239 against a typical $162), it is bigger than 73% of them (1,866 ft² against a typical 1,545 ft²), its lot is bigger than 69% of them (1 ac against a typical 0.33 ac) and it is newer than 54% of them (1959 against a typical 1956). Measured against all of Lyon County, it is worth more than 80% 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 306 S 12th Ave, Rock Rapids, IA?

The 2024 property tax bill for 306 S 12th Ave, Rock Rapids, IA was $4,784. The county assessed it at $372,220.

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Assigned schools

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