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Single Family ResidenceResidential
$199,391$213 / 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 86How 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
Last sold for $175,000 on Dec 6, 2024

308 MERTENS AVE

RACINE, WI 53405
3
Beds
1
Baths
938 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.
0.14 ac
Lot SizeThe size of the land the home sits on, from county records.
1955
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.

Valuation

$199K
$171K low$228K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$175,000 · Dec 6, 2024

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,845 (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.$134,900 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$19,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$115,900
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$118,900
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$144,039

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.38
47
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
1
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
47
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
65
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
33
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.11 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.minimal

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.Ranch
CountyRACINE
Lot (acres)The size of the land the home sits on, from county records.0.14
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(5)

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
Fratt Elementary SchoolC+
Elementary · Grades KG–5 · 0.8 mi
H
Park High SchoolC+
High · Grades 9–12 · 0.8 mi
M
Mitchell SchoolF
Middle · Grades KG–8 · 2.0 mi

District: Racine School District

Neighborhood · ZIP 53405These 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.98
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.85
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.30

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.21%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.9.9%
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.25,331
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.3,749 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$66,464
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$83,982
Average tempThe average temperature here across a full year.48°F
Annual precipHow much rain and melted snow falls here in a typical year.35 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.54%

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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

308 Mertens 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 less than 82% of homes in Racine County
  • Costs more per square foot than 84% of homes in Island Park
  • Smaller than 91% of homes in Racine County
  • Has a smaller lot than 74% of homes in Racine County
  • Newer than 86% of homes in Island Park

What homes are worth in Racine 53405

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

This home
$124K$532K

This home is worth more than 33% of homes in Racine 53405.

How it measures up in Racine 53405

The dot is this home. The mark in the middle is the typical home in Racine 53405.

Estimated value$199,391
CheaperTypical $226,291Pricier

Pricier than 33% of homes nearby

Price per ft²$213
CheaperTypical $189Pricier

Pricier than 76% of homes nearby

Living area938 ft²
SmallerTypical 1,276 ft²Bigger

Bigger than 15% of homes nearby

Lot size0.14 ac
SmallerTypical 0.14 acBigger

Bigger than 53% of homes nearby

Year built1955
OlderTypical 1949Newer

Newer than 66% of homes nearby

How 308 Mertens Ave ranks against every home in each area.
MeasureThis homeIsland ParkRacine 53405Racine County
Estimated valuepricier than$199,39174% of homes33% of homes18% of homes
Price per ft²pricier than$21384% of homes76% of homes57% of homes
Living areabigger than938 ft²42% of homes15% of homes9% of homes
Lot sizebigger than0.14 ac71% of homes53% of homes26% of homes
Year builtnewer than195586% of homes66% of homes45% of homes

About 308 Mertens Ave

How much is 308 Mertens Ave, Racine, WI worth?

The TopHap Estimate for 308 Mertens Ave, Racine, WI is $199,391 as of Aug 30, 2026. The likely range is $171,028 to $227,754. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 308 Mertens Ave, Racine, WI last sell?

308 Mertens Ave, Racine, WI last sold on Dec 6, 2024 for $175,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 308 Mertens Ave, Racine, WI?

308 Mertens Ave, Racine, WI has 3 bedrooms, 1 bathrooms, 938 square feet of living space and a 0.14-acre lot.

When was 308 Mertens Ave, Racine, WI built?

308 Mertens Ave, Racine, WI was built in 1955, making it 71 years old. It is a ranch home. The building has 1 story.

What schools serve 308 Mertens Ave, Racine, WI?

308 Mertens Ave, Racine, WI is assigned to Fratt Elementary School (elementary), rated C+; Park High School (high), rated C+; Mitchell School (middle), rated F. All sit in Racine School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 308 Mertens Ave, Racine, WI compare to other homes in Racine 53405?

Among the 9,114 homes in Racine 53405, it is worth more than 33% of them ($199,391 against a typical $226,291), its price per square foot is higher than 76% of them ($213 against a typical $189), it is bigger than 15% of them (938 ft² against a typical 1,276 ft²), its lot is bigger than 53% of them (0.14 ac against a typical 0.14 ac) and it is newer than 66% of them (1955 against a typical 1949). Measured against all of Racine County, it is worth more than 18% 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 308 Mertens Ave, Racine, WI?

The 2025 property tax bill for 308 Mertens Ave, Racine, WI was $3,845. The county assessed it at $134,900.

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