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Single Family ResidenceResidential
$118,586$119 / 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 Sep 24, 2026

366 18TH ST

MARION, IA 52302
3
Beds
1
Baths
996 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.
0.17 ac
Lot SizeThe size of the land the home sits on, from county records.
1900
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
5
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$119K
$101K low$136K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,892 (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.$135,600 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$16,500
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$119,100
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$122,000
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$135,600

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.A-Frame
CountyLINN
Lot (acres)The size of the land the home sits on, from county records.0.17
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.Gravity
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
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Porch · 201 ft²

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.

M
Vernon Middle SchoolC
Middle · Grades 5–8 · 0.2 mi
E
Starry Elementary School
Elementary · Grades PK–2 · 0.5 mi
H
Marion High SchoolC
High · Grades 9–12 · 0.5 mi

District: Marion Independent School District

Neighborhood · ZIP 52302These 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.64
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.86
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.21

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.27%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.6.0%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.1%
PopulationHow many people live in this area.43,355
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.595 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$91,692
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$111,460
Average tempThe average temperature here across a full year.48°F
Annual precipHow much rain and melted snow falls here in a typical year.36 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.61%

Owner Tools

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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

366 18th St 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 Marion 52302
  • Costs less per square foot than 93% of homes in Marion 52302
  • Smaller than 89% of homes in Marion 52302
  • Has a smaller lot than 86% of homes in Marion 52302
  • Older than 96% of homes in Marion 52302

What homes are worth in Marion 52302

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

This home
$113K$664K

This home is worth more than 2% of homes in Marion 52302.

How it measures up in Marion 52302

The dot is this home. The mark in the middle is the typical home in Marion 52302.

Estimated value$118,586
CheaperTypical $273,040Pricier

Pricier than 2% of homes nearby

Price per ft²$119
CheaperTypical $198Pricier

Pricier than 7% of homes nearby

Living area996 ft²
SmallerTypical 1,448 ft²Bigger

Bigger than 11% of homes nearby

Lot size0.17 ac
SmallerTypical 0.23 acBigger

Bigger than 14% of homes nearby

Year built1900
OlderTypical 1996Newer

Newer than 4% of homes nearby

How 366 18th St ranks against every home in each area.
MeasureThis homeMarion 52302Linn County
Estimated valuepricier than$118,5862% of homes8% of homes
Price per ft²pricier than$1197% of homes19% of homes
Living areabigger than996 ft²11% of homes14% of homes
Lot sizebigger than0.17 ac14% of homes22% of homes
Year builtnewer than19004% of homes6% of homes

About 366 18th St

How much is 366 18th St, Marion, IA worth?

The TopHap Estimate for 366 18th St, Marion, IA is $118,586 as of Sep 24, 2026. The likely range is $101,176 to $135,996. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 366 18th St, Marion, IA last sell?

366 18th St, Marion, IA last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 366 18th St, Marion, IA?

366 18th St, Marion, IA has 3 bedrooms, 1 bathrooms, 996 square feet of living space and a 0.17-acre lot.

When was 366 18th St, Marion, IA built?

366 18th St, Marion, IA was built in 1900, making it 126 years old. It is a a-frame home. The building has 1 story.

What schools serve 366 18th St, Marion, IA?

366 18th St, Marion, IA is assigned to Vernon Middle School (middle), rated C; Starry Elementary School (elementary); Marion High School (high), rated C. All sit in Marion Independent School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 366 18th St, Marion, IA compare to other homes in Marion 52302?

Among the 16,277 homes in Marion 52302, it is worth more than 2% of them ($118,586 against a typical $273,040), its price per square foot is higher than 7% of them ($119 against a typical $198), it is bigger than 11% of them (996 ft² against a typical 1,448 ft²), its lot is bigger than 14% of them (0.17 ac against a typical 0.23 ac) and it is newer than 4% of them (1900 against a typical 1996). Measured against all of Linn County, it is worth more than 8% 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 366 18th St, Marion, IA?

The 2025 property tax bill for 366 18th St, Marion, IA was $1,892. The county assessed it at $135,600.

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