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Single Family ResidenceResidential
$292,331$402 / 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 99How 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 $250,000 on Aug 28, 2023

421 4TH ST

GREEN BAY, WI 54304
3
Beds
2
Baths
728 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.
0.15 ac
Lot SizeThe size of the land the home sits on, from county records.
2022
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.

Valuation

$292K
$289K low$296K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$250,000 · Aug 28, 2023

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,045 (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.$197,300 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$13,300
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$184,000
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$197,300
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$269,100

Climate Risk

Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.9 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
CountyBrown
Lot (acres)The size of the land the home sits on, from county records.0.15
RoofThe main material covering the roof, such as asphalt shingle or tile.Composition Shingle
HeatingThe type of heating system in the home.None
CoolingThe type of cooling or air conditioning in the home.Yes

Transaction History(3)

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.

H
West High SchoolC+
High · Grades 9–12 · 0.9 mi
E
Lincoln Elementary SchoolC+
Elementary · Grades PK–5 · 1.1 mi
M
Franklin Middle SchoolD-
Middle · Grades 6–8 · 1.3 mi

District: Green Bay Area School District

Neighborhood · ZIP 54304These 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.122
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.73
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.95%
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.13%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.0.9%
PopulationHow many people live in this area.28,085
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.2,265 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$63,745
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$78,174
Average tempThe average temperature here across a full year.44°F
Annual precipHow much rain and melted snow falls here in a typical year.30 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

421 4th 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 98% of homes in Tank Park
  • Costs more per square foot than 96% of homes in Green Bay 54304
  • Smaller than 93% of homes in Brown County
  • Has a smaller lot than 91% of homes in Brown County
  • Among the newest homes in Tank Park

What homes are worth in Green Bay 54304

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

This home
$154K$605K

This home is worth more than 51% of homes in Green Bay 54304.

How it measures up in Green Bay 54304

The dot is this home. The mark in the middle is the typical home in Green Bay 54304.

Estimated value$292,331
CheaperTypical $290,372Pricier

Pricier than 51% of homes nearby

Price per ft²$402
CheaperTypical $261Pricier

Pricier than 96% of homes nearby

Living area728 ft²
SmallerTypical 1,080 ft²Bigger

Bigger than 8% of homes nearby

Lot size0.15 ac
SmallerTypical 0.21 acBigger

Bigger than 17% of homes nearby

Year built2022
OlderTypical 1958Newer

Newer than almost all homes nearby

How 421 4th St ranks against every home in each area.
MeasureThis homeTank ParkGreen Bay 54304Brown County
Estimated valuepricier than$292,33198% of homes51% of homes40% of homes
Price per ft²pricier than$40294% of homes96% of homes96% of homes
Living areabigger than728 ft²14% of homes8% of homes7% of homes
Lot sizebigger than0.15 ac69% of homes17% of homes9% of homes
Year builtnewer than2022almost all homesalmost all homesalmost all homes

About 421 4th St

How much is 421 4th St, Green Bay, WI worth?

The TopHap Estimate for 421 4th St, Green Bay, WI is $292,331 as of Aug 30, 2026. The likely range is $288,745 to $295,917. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 421 4th St, Green Bay, WI last sell?

421 4th St, Green Bay, WI last sold on Aug 28, 2023 for $250,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 421 4th St, Green Bay, WI?

421 4th St, Green Bay, WI has 3 bedrooms, 2 bathrooms, 728 square feet of living space and a 0.15-acre lot.

When was 421 4th St, Green Bay, WI built?

421 4th St, Green Bay, WI was built in 2022, making it 4 years old. The building has 2 stories.

What schools serve 421 4th St, Green Bay, WI?

421 4th St, Green Bay, WI is assigned to West High School (high), rated C+; Lincoln Elementary School (elementary), rated C+; Franklin Middle School (middle), rated D-. All sit in Green Bay Area School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 421 4th St, Green Bay, WI compare to other homes in Green Bay 54304?

Among the 9,950 homes in Green Bay 54304, it is worth more than 51% of them ($292,331 against a typical $290,372), its price per square foot is higher than 96% of them ($402 against a typical $261), it is bigger than 8% of them (728 ft² against a typical 1,080 ft²), its lot is bigger than 17% of them (0.15 ac against a typical 0.21 ac) and it is newer than almost all of them (2022 against a typical 1958). Measured against all of Brown County, it is worth more than 40% 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 421 4th St, Green Bay, WI?

The 2025 property tax bill for 421 4th St, Green Bay, WI was $4,045. The county assessed it at $197,300.

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