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Single Family ResidenceResidential
$352,723$273 / 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 97How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Oct 21, 2026
Last sold for $136,800 on Feb 14, 2014

1721 PORTER AVE

MADISON, WI 53704
3
Beds
1
Baths
1,294 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.
0.13 ac
Lot SizeThe size of the land the home sits on, from county records.
1950
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
7
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$353K
$343K low$363K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$136,800 · Feb 14, 2014

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,748 (2024)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$288,100 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$77,800
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$210,300
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$288,100
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$288,100

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.Bungalow
CountyDane
Effective Year BuiltAn adjusted build year that accounts for condition and major remodels. A big renovation can make a home count as newer than it is.1969
Lot (acres)The size of the land the home sits on, from county records.0.13
FoundationWhat the home is built on, such as a concrete slab, a crawl space, or a basement.Block (Unspecified)
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
HeatingThe type of heating system in the home.None
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.Shed · 60 ft²Patio · 240 ft²

Transaction History(2)

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
Sherman Middle SchoolD-
Middle · Grades 6–8 · 0.2 mi
E
Emerson Elementary SchoolD+
Elementary · Grades PK–5 · 1.4 mi
H
East High SchoolD-
High · Grades 9–12 · 1.6 mi

District: Madison Metropolitan School District

Neighborhood · ZIP 53704These 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.124
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.83
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.96%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.34%
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.0.8%
PopulationHow many people live in this area.49,468
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.2,132 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$76,243
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$93,732
Average tempThe average temperature here across a full year.46°F
Annual precipHow much rain and melted snow falls here in a typical year.34 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

1721 Porter 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 73% of homes in Dane County
  • Costs more per square foot than 66% of homes in Madison 53704
  • Smaller than 76% of homes in Dane County
  • Has a smaller lot than 87% of homes in Dane County
  • Older than 79% of homes in Dane County

What homes are worth in Madison 53704

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

This home
$182K$1.1M

This home is worth more than 50% of homes in Madison 53704.

How it measures up in Madison 53704

The dot is this home. The mark in the middle is the typical home in Madison 53704.

Estimated value$352,723
CheaperTypical $351,782Pricier

Pricier than 50% of homes nearby

Price per ft²$273
CheaperTypical $240Pricier

Pricier than 66% of homes nearby

Living area1,294 ft²
SmallerTypical 1,500 ft²Bigger

Bigger than 35% of homes nearby

Lot size0.13 ac
SmallerTypical 0.19 acBigger

Bigger than 31% of homes nearby

Year built1950
OlderTypical 1960Newer

Newer than 37% of homes nearby

How 1721 Porter Ave ranks against every home in each area.
MeasureThis homeMadison 53704Dane County
Estimated valuepricier than$352,72350% of homes27% of homes
Price per ft²pricier than$27366% of homes63% of homes
Living areabigger than1,294 ft²35% of homes24% of homes
Lot sizebigger than0.13 ac31% of homes13% of homes
Year builtnewer than195037% of homes21% of homes

About 1721 Porter Ave

How much is 1721 Porter Ave, Madison, WI worth?

The TopHap Estimate for 1721 Porter Ave, Madison, WI is $352,723 as of Oct 21, 2026. The likely range is $342,893 to $362,553. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 1721 Porter Ave, Madison, WI last sell?

1721 Porter Ave, Madison, WI last sold on Feb 14, 2014 for $136,800, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 1721 Porter Ave, Madison, WI?

1721 Porter Ave, Madison, WI has 3 bedrooms, 1 bathrooms, 1,294 square feet of living space and a 0.13-acre lot.

When was 1721 Porter Ave, Madison, WI built?

1721 Porter Ave, Madison, WI was built in 1950, making it 76 years old. It is a bungalow home. The building has 2 stories.

What schools serve 1721 Porter Ave, Madison, WI?

1721 Porter Ave, Madison, WI is assigned to Sherman Middle School (middle), rated D-; Emerson Elementary School (elementary), rated D+; East High School (high), rated D-. All sit in Madison Metropolitan School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 1721 Porter Ave, Madison, WI compare to other homes in Madison 53704?

Among the 15,792 homes in Madison 53704, it is worth more than 50% of them ($352,723 against a typical $351,782), its price per square foot is higher than 66% of them ($273 against a typical $240), it is bigger than 35% of them (1,294 ft² against a typical 1,500 ft²), its lot is bigger than 31% of them (0.13 ac against a typical 0.19 ac) and it is newer than 37% of them (1950 against a typical 1960). Measured against all of Dane County, it is worth more than 27% 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 1721 Porter Ave, Madison, WI?

The 2024 property tax bill for 1721 Porter Ave, Madison, WI was $4,748. The county assessed it at $288,100.

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