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Single Family ResidenceResidential
$233,766$260 / 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 92How 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 $220,000 on Aug 25, 2025

603 GRAY ST

GREEN BAY, WI 54303
2
Beds
1
Baths
900 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.
0.16 ac
Lot SizeThe size of the land the home sits on, from county records.
1934
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
4
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$234K
$214K low$254K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$220,000 · Aug 25, 2025

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,370 (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.$126,500 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$19,100
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$107,400
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$126,500
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$172,600

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.16 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
CountyBrown
Lot (acres)The size of the land the home sits on, from county records.0.16
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
FireplaceWhether the home has a fireplace, and what kind.Yes

Transaction History(6)

Sales and refinances filed with the county for this home. Not every transfer is a normal sale, so check the type before comparing prices.

Foreclosure Filings(6)

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

E
Elmore Elementary SchoolB-
Elementary · Grades PK–5 · 0.1 mi
H
West High SchoolC+
High · Grades 9–12 · 0.5 mi
M
Franklin Middle SchoolD-
Middle · Grades 6–8 · 1.0 mi

District: Green Bay Area School District

Neighborhood · ZIP 54303These 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.138
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.76
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.96%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.14%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.16%
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.27,602
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.2,445 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$51,009
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$61,109
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

603 Gray 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 81% of homes in Brown County
  • Costs more per square foot than 67% of homes in Mather Heights
  • Smaller than 81% of homes in Brown County
  • Has a smaller lot than 89% of homes in Brown County
  • Older than 96% of homes in Mather Heights

What homes are worth in Green Bay 54303

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

This home
$135K$400K

This home is worth more than 52% of homes in Green Bay 54303.

How it measures up in Green Bay 54303

The dot is this home. The mark in the middle is the typical home in Green Bay 54303.

Estimated value$233,766
CheaperTypical $231,371Pricier

Pricier than 52% of homes nearby

Price per ft²$260
CheaperTypical $238Pricier

Pricier than 66% of homes nearby

Living area900 ft²
SmallerTypical 984 ft²Bigger

Bigger than 37% of homes nearby

Lot size0.16 ac
SmallerTypical 0.19 acBigger

Bigger than 33% of homes nearby

Year built1934
OlderTypical 1948Newer

Newer than 35% of homes nearby

How 603 Gray St ranks against every home in each area.
MeasureThis homeMather HeightsGreen Bay 54303Brown County
Estimated valuepricier than$233,76654% of homes52% of homes19% of homes
Price per ft²pricier than$26067% of homes66% of homes62% of homes
Living areabigger than900 ft²40% of homes37% of homes19% of homes
Lot sizebigger than0.16 ac31% of homes33% of homes11% of homes
Year builtnewer than19344% of homes35% of homes16% of homes

About 603 Gray St

How much is 603 Gray St, Green Bay, WI worth?

The TopHap Estimate for 603 Gray St, Green Bay, WI is $233,766 as of Aug 30, 2026. The likely range is $213,996 to $253,536. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 603 Gray St, Green Bay, WI last sell?

603 Gray St, Green Bay, WI last sold on Aug 25, 2025 for $220,000, according to the county's recorded deed. TopHap holds 4 recorded sales for this parcel.

How big is 603 Gray St, Green Bay, WI?

603 Gray St, Green Bay, WI has 2 bedrooms, 1 bathrooms, 900 square feet of living space and a 0.16-acre lot.

When was 603 Gray St, Green Bay, WI built?

603 Gray St, Green Bay, WI was built in 1934, making it 92 years old. It is a ranch home. The building has 1 story.

What schools serve 603 Gray St, Green Bay, WI?

603 Gray St, Green Bay, WI is assigned to Elmore Elementary School (elementary), rated B-; West High School (high), 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 603 Gray St, Green Bay, WI compare to other homes in Green Bay 54303?

Among the 7,735 homes in Green Bay 54303, it is worth more than 52% of them ($233,766 against a typical $231,371), its price per square foot is higher than 66% of them ($260 against a typical $238), it is bigger than 37% of them (900 ft² against a typical 984 ft²), its lot is bigger than 33% of them (0.16 ac against a typical 0.19 ac) and it is newer than 35% of them (1934 against a typical 1948). Measured against all of Brown County, it is worth more than 19% 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 603 Gray St, Green Bay, WI?

The 2025 property tax bill for 603 Gray St, Green Bay, WI was $2,370. The county assessed it at $126,500.

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