Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$435,373$256 / 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 90How 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 $56,200 on Jun 1, 1985

405 SIDNEY ST

MADISON, WI 53703
3
Beds
2
Baths
1,704 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.
3,999 ft²
Lot SizeThe size of the land the home sits on, from county records.
1916
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
9
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$435K
$393K low$478K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$56,200 · Jun 1, 1985

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$10,056 (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.$518,900 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$131,100
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$387,800
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$518,900
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$518,900

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.6 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.11%
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.Traditional/Old
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.1967
Lot (acres)The size of the land the home sits on, from county records.0.09
FoundationWhat the home is built on, such as a concrete slab, a crawl space, or a basement.Concrete
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.Porch · 184 ft²

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

E
Lapham Elementary School
Elementary · Grades PK–2 · 0.3 mi
M
O'Keeffe Middle SchoolA
Middle · Grades 6–8 · 0.8 mi
H
East High SchoolA-
High · Grades 9–12 · 1.0 mi

District: Madison Metropolitan School District

Neighborhood · ZIP 53703These 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.167
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.78
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.26

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.39%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.35%
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.40,725
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.21,930 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$49,802
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$85,168
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

405 Sidney 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 77% of homes in Madison 53703
  • Costs less per square foot than 72% of homes in Madison 53703
  • Has a smaller lot than 95% of homes in Dane County
  • Older than 94% of homes in Dane County

What homes are worth in Madison 53703

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

This home
$26K$1.1M

This home is worth more than 77% of homes in Madison 53703.

How it measures up in Madison 53703

The dot is this home. The mark in the middle is the typical home in Madison 53703.

Estimated value$435,373
CheaperTypical $228,928Pricier

Pricier than 77% of homes nearby

Price per ft²$256
CheaperTypical $286Pricier

Pricier than 28% of homes nearby

Living area1,704 ft²
SmallerTypical 1,582 ft²Bigger

Bigger than 57% of homes nearby

Lot size3,999 ft²
SmallerTypical 0.1 acBigger

Bigger than 30% of homes nearby

Year built1916
OlderTypical 1923Newer

Newer than 46% of homes nearby

How 405 Sidney St ranks against every home in each area.
MeasureThis homeTenney-LaphamMadison 53703Dane County
Estimated valuepricier than$435,37368% of homes77% of homes55% of homes
Price per ft²pricier than$25640% of homes28% of homes63% of homes
Living areabigger than1,704 ft²60% of homes57% of homes51% of homes
Lot sizebigger than3,999 ft²31% of homes30% of homes5% of homes
Year builtnewer than191659% of homes46% of homes6% of homes

About 405 Sidney St

How much is 405 Sidney St, Madison, WI worth?

The TopHap Estimate for 405 Sidney St, Madison, WI is $435,373 as of Aug 30, 2026. The likely range is $393,018 to $477,728. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 405 Sidney St, Madison, WI last sell?

405 Sidney St, Madison, WI last sold on Jun 1, 1985 for $56,200, according to the county's recorded deed.

How big is 405 Sidney St, Madison, WI?

405 Sidney St, Madison, WI has 3 bedrooms, 2 bathrooms, 1,704 square feet of living space and a 0.09-acre lot.

When was 405 Sidney St, Madison, WI built?

405 Sidney St, Madison, WI was built in 1916, making it 110 years old. It is a traditional/old home. The building has 2 stories.

What schools serve 405 Sidney St, Madison, WI?

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

How does 405 Sidney St, Madison, WI compare to other homes in Madison 53703?

Among the 6,582 homes in Madison 53703, it is worth more than 77% of them ($435,373 against a typical $228,928), its price per square foot is higher than 28% of them ($256 against a typical $286), it is bigger than 57% of them (1,704 ft² against a typical 1,582 ft²), its lot is bigger than 30% of them (3,999 ft² against a typical 0.1 ac) and it is newer than 46% of them (1916 against a typical 1923). Measured against all of Dane County, it is worth more than 55% 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 405 Sidney St, Madison, WI?

The 2024 property tax bill for 405 Sidney St, Madison, WI was $10,056. The county assessed it at $518,900.

More homes on Sidney St

Closest homes

More homes in Madison 53703

Assigned schools

Explore the area

See this home in context

Open 405 Sidney St 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