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Single Family ResidenceResidential
$103,659$60 / 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 78How 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

307 MARTIN ST

RENWICK, IA 50577
2 / 2
Baths
1,723 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.
0.32 ac
Lot SizeThe size of the land the home sits on, from county records.
1930
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
12
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

$104K
$81K low$127K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$502 (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.$60,580 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$4,580
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$56,000
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$68,220
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$60,580

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyHUMBOLDT
Lot (acres)The size of the land the home sits on, from county records.0.32
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
HeatingThe type of heating system in the home.Hot Water
CoolingThe type of cooling or air conditioning in the home.None
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.Porch · 256 ft²

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

E
Taft Elementary SchoolA-
Elementary · Grades 1–4 · 14.1 mi
M
Humboldt Middle SchoolB-
Middle · Grades 5–8 · 14.9 mi
H
Humboldt High SchoolA
High · Grades 9–12 · 15.0 mi

District: Humboldt Community School District

Neighborhood · ZIP 50577These 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.113
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.91
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.14

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.83%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.11%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.12%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.0%
PopulationHow many people live in this area.282
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.8 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$78,171
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$95,712
Average tempThe average temperature here across a full year.47°F
Annual precipHow much rain and melted snow falls here in a typical year.32 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

307 Martin 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 more than 72% of homes in Renwick 50577
  • Costs less per square foot than 79% of homes in Humboldt County
  • Bigger than 68% of homes in Humboldt County

What homes are worth in Renwick 50577

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

This home
$29K$372K

This home is worth more than 72% of homes in Renwick 50577.

How it measures up in Renwick 50577

The dot is this home. The mark in the middle is the typical home in Renwick 50577.

Estimated value$103,659
CheaperTypical $81,732Pricier

Pricier than 72% of homes nearby

Price per ft²$60
CheaperTypical $55Pricier

Pricier than 58% of homes nearby

Living area1,723 ft²
SmallerTypical 1,489 ft²Bigger

Bigger than 66% of homes nearby

Lot size0.32 ac
SmallerTypical 0.32 acBigger

Bigger than 51% of homes nearby

Year built1930
OlderTypical 1929Newer

Newer than 52% of homes nearby

How 307 Martin St ranks against every home in each area.
MeasureThis homeRenwick 50577Humboldt County
Estimated valuepricier than$103,65972% of homes41% of homes
Price per ft²pricier than$6058% of homes21% of homes
Living areabigger than1,723 ft²66% of homes68% of homes
Lot sizebigger than0.32 ac51% of homes61% of homes
Year builtnewer than193052% of homes36% of homes

About 307 Martin St

How much is 307 Martin St, Renwick, IA worth?

The TopHap Estimate for 307 Martin St, Renwick, IA is $103,659 as of Sep 24, 2026. The likely range is $80,578 to $126,740. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 307 Martin St, Renwick, IA last sell?

307 Martin St, Renwick, IA last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 307 Martin St, Renwick, IA?

307 Martin St, Renwick, IA has 2 bathrooms, 1,723 square feet of living space and a 0.32-acre lot.

When was 307 Martin St, Renwick, IA built?

307 Martin St, Renwick, IA was built in 1930, making it 96 years old. The building has 1 story.

What schools serve 307 Martin St, Renwick, IA?

307 Martin St, Renwick, IA is assigned to Taft Elementary School (elementary), rated A-; Humboldt Middle School (middle), rated B-; Humboldt High School (high), rated A. All sit in Humboldt Community School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 307 Martin St, Renwick, IA compare to other homes in Renwick 50577?

Among the 248 homes in Renwick 50577, it is worth more than 72% of them ($103,659 against a typical $81,732), its price per square foot is higher than 58% of them ($60 against a typical $55), it is bigger than 66% of them (1,723 ft² against a typical 1,489 ft²), its lot is bigger than 51% of them (0.32 ac against a typical 0.32 ac) and it is newer than 52% of them (1930 against a typical 1929). Measured against all of Humboldt County, it is worth more than 41% 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 307 Martin St, Renwick, IA?

The 2025 property tax bill for 307 Martin St, Renwick, IA was $502. The county assessed it at $60,580.

More homes on Martin St

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Assigned schools

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