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Single Family ResidenceResidential
$248,946$168 / 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 96How 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 $145,600 on May 3, 2006

804 GANNON AVE

MADISON, WI 53714
3
Beds
1
Baths
1,486 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.
0.19 ac
Lot SizeThe size of the land the home sits on, from county records.
1953
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
8
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
1
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$249K
$238K low$259K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$145,600 · May 3, 2006

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,890 (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.$281,700 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$59,300
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$222,400
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$256,100
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$234,111

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.1971
Lot (acres)The size of the land the home sits on, from county records.0.19
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
CoolingThe type of cooling or air conditioning in the home.Central
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Detached
PoolWhether the property has a pool, and what kind, such as in-ground.No
ViewThe type of view from the property, or another feature of the site that affects value.Traffic
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Patio · 64 ft²Porch · 132 ft²

Transaction History(1)

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
Hawthorne Elementary SchoolC-
Elementary · Grades PK–5 · 0.3 mi
H
East High SchoolA-
High · Grades 9–12 · 1.4 mi
M
O'Keeffe Middle SchoolA
Middle · Grades 6–8 · 2.0 mi

District: Madison Metropolitan School District

Neighborhood · ZIP 53714These 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.114
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.84
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.24

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.97%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.27%
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.0.8%
PopulationHow many people live in this area.16,957
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.3,560 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$70,140
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$81,781
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

804 Gannon 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 89% of homes in Madison 53714
  • Costs less per square foot than 89% of homes in Madison 53714
  • Has a smaller lot than 74% of homes in Dane County
  • Older than 76% of homes in Dane County

What homes are worth in Madison 53714

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

This home
$165K$497K

This home is worth more than 11% of homes in Madison 53714.

How it measures up in Madison 53714

The dot is this home. The mark in the middle is the typical home in Madison 53714.

Estimated value$248,946
CheaperTypical $324,161Pricier

Pricier than 11% of homes nearby

Price per ft²$168
CheaperTypical $224Pricier

Pricier than 11% of homes nearby

Living area1,486 ft²
SmallerTypical 1,456 ft²Bigger

Bigger than 52% of homes nearby

Lot size0.19 ac
SmallerTypical 0.2 acBigger

Bigger than 42% of homes nearby

Year built1953
OlderTypical 1961Newer

Newer than 29% of homes nearby

How 804 Gannon Ave ranks against every home in each area.
MeasureThis homeCarpenter-RidgewayMadison 53714Dane County
Estimated valuepricier than$248,94619% of homes11% of homes14% of homes
Price per ft²pricier than$16823% of homes11% of homes15% of homes
Living areabigger than1,486 ft²46% of homes52% of homes36% of homes
Lot sizebigger than0.19 ac48% of homes42% of homes26% of homes
Year builtnewer than195345% of homes29% of homes24% of homes

About 804 Gannon Ave

How much is 804 Gannon Ave, Madison, WI worth?

The TopHap Estimate for 804 Gannon Ave, Madison, WI is $248,946 as of Aug 30, 2026. The likely range is $238,440 to $259,452. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 804 Gannon Ave, Madison, WI last sell?

804 Gannon Ave, Madison, WI last sold on May 3, 2006 for $145,600, according to the county's recorded deed.

How big is 804 Gannon Ave, Madison, WI?

804 Gannon Ave, Madison, WI has 3 bedrooms, 1 bathrooms, 1,486 square feet of living space and a 0.19-acre lot.

When was 804 Gannon Ave, Madison, WI built?

804 Gannon Ave, Madison, WI was built in 1953, making it 73 years old. It is a bungalow home. The building has 1 story.

What schools serve 804 Gannon Ave, Madison, WI?

804 Gannon Ave, Madison, WI is assigned to Hawthorne Elementary School (elementary), rated C-; East High School (high), rated A-; O'Keeffe Middle School (middle), rated A. All sit in Madison Metropolitan School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 804 Gannon Ave, Madison, WI compare to other homes in Madison 53714?

Among the 5,250 homes in Madison 53714, it is worth more than 11% of them ($248,946 against a typical $324,161), its price per square foot is higher than 11% of them ($168 against a typical $224), it is bigger than 52% of them (1,486 ft² against a typical 1,456 ft²), its lot is bigger than 42% of them (0.19 ac against a typical 0.2 ac) and it is newer than 29% of them (1953 against a typical 1961). Measured against all of Dane County, it is worth more than 14% 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 804 Gannon Ave, Madison, WI?

The 2025 property tax bill for 804 Gannon Ave, Madison, WI was $4,890. The county assessed it at $281,700.

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