Skip to content
Skip to content
TopHapOpen in map
Duplex (2 Units, Any Combination)Residential
Last sold for $345,000 on Sep 25, 2019

421 GRAND AVE

MADISON, WI 53705
6
Beds
2
Baths
2,216 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.
1899
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
12
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$345,000 · Sep 25, 2019

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$9,709 (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.$537,400 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$135,400
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$402,000
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$537,400
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$537,400

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.33 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.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.Duplex (2 Units, Any Combination)
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.1973
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.Stone (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.Patio · 137 ft²Porch · 154 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.

H
West High SchoolD+
High · Grades 9–12 · 0.3 mi
M
Velma Hamilton Middle SchoolA
Middle · Grades 6–8 · 1.5 mi
E
Franklin Elementary School
Elementary · Grades PK–2 · 2.5 mi

District: Madison Metropolitan School District

Neighborhood · ZIP 53705These 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.77
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.95%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.32%
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.27,087
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,234 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$85,897
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$115,042
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%

Owner Tools

Do you own this home?
Claim this home

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 Grand 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.

  • Bigger than 75% of homes in Dane County
  • Has a smaller lot than 90% of homes in Madison 53705
  • Among the oldest homes in Madison 53705

How it measures up in Madison 53705

The dot is this home. The mark in the middle is the typical home in Madison 53705.

Living area2,216 ft²
SmallerTypical 1,864 ft²Bigger

Bigger than 66% of homes nearby

Lot size0.13 ac
SmallerTypical 0.24 acBigger

Bigger than 10% of homes nearby

Year built1899
OlderTypical 1957Newer

Older than almost all homes nearby

How 421 Grand Ave ranks against every home in each area.
MeasureThis homeRegentMadison 53705Dane County
Living areabigger than2,216 ft²64% of homes66% of homes75% of homes
Lot sizebigger than0.13 ac49% of homes10% of homes14% of homes
Year builtnewer than18992% of homesalmost no homes2% of homes

About 421 Grand Ave

When did 421 Grand Ave, Madison, WI last sell?

421 Grand Ave, Madison, WI last sold on Sep 25, 2019 for $345,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 421 Grand Ave, Madison, WI?

421 Grand Ave, Madison, WI has 6 bedrooms, 2 bathrooms, 2,216 square feet of living space and a 0.13-acre lot.

When was 421 Grand Ave, Madison, WI built?

421 Grand Ave, Madison, WI was built in 1899, making it 127 years old. The building has 2 stories.

What schools serve 421 Grand Ave, Madison, WI?

421 Grand Ave, Madison, WI is assigned to West High School (high), rated D+; Velma Hamilton Middle School (middle), rated A; Franklin Elementary School (elementary). All sit in Madison Metropolitan School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 421 Grand Ave, Madison, WI compare to other homes in Madison 53705?

Among the 7,461 homes in Madison 53705, it is bigger than 66% of them (2,216 ft² against a typical 1,864 ft²), its lot is bigger than 10% of them (0.13 ac against a typical 0.24 ac) and it is newer than almost none of them (1899 against a typical 1957). 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 Grand Ave, Madison, WI?

The 2024 property tax bill for 421 Grand Ave, Madison, WI was $9,709. The county assessed it at $537,400.

More homes on Grand Ave

Closest homes

More homes in Madison 53705

Assigned schools

Explore the area

See this home in context

Open 421 Grand Ave on TopHap’s interactive map to compare it against every sale nearby, overlay school zones and flood risk, and run a CMA.

Open in map
A flyover of TopHap's photorealistic 3D map, with recorded sale prices pinned to homes
Search any address, city, zip, or county…3D$1.9M$6.25MOpen in map