Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$320,411
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 94How 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

309 NORTH ST

SULLIVAN, WI 53178
0
Baths
0.41 ac
Lot SizeThe size of the land the home sits on, from county records.

Valuation

$320K
$300K low$341K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$5,136 (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.$271,400 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$43,700
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$227,700
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$271,400
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$295,500

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.8 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
CountyJefferson
Lot (acres)The size of the land the home sits on, from county records.0.41
HeatingThe type of heating system in the home.None

Transaction History(5)

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(2)

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

E
Sullivan Elementary SchoolB
Elementary · Grades PK–5 · 0.5 mi
H
Jefferson High SchoolB+
High · Grades 9–12 · 12.1 mi
M
Jefferson Middle SchoolB-
Middle · Grades 6–8 · 12.3 mi

District: Jefferson School District

Neighborhood · ZIP 53178These 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.116
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 100.25

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.22%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.5.6%
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.2,546
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.76 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$93,270
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$104,618
Average tempThe average temperature here across a full year.47°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

309 North 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 66% of homes in Sullivan 53178
  • Has a smaller lot than 72% of homes in Sullivan 53178

What homes are worth in Sullivan 53178

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

This home
$117K$838K

This home is worth more than 34% of homes in Sullivan 53178.

How it measures up in Sullivan 53178

The dot is this home. The mark in the middle is the typical home in Sullivan 53178.

Estimated value$320,411
CheaperTypical $389,162Pricier

Pricier than 34% of homes nearby

Lot size0.41 ac
SmallerTypical 1.03 acBigger

Bigger than 28% of homes nearby

How 309 North St ranks against every home in each area.
MeasureThis homeSullivan 53178Jefferson County
Estimated valuepricier than$320,41134% of homes42% of homes
Lot sizebigger than0.41 ac28% of homes59% of homes

About 309 North St

How much is 309 North St, Sullivan, WI worth?

The TopHap Estimate for 309 North St, Sullivan, WI is $320,411 as of Oct 21, 2026. The likely range is $300,155 to $340,667. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 309 North St, Sullivan, WI last sell?

309 North St, Sullivan, WI last sold on Mar 16, 2011, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

What schools serve 309 North St, Sullivan, WI?

309 North St, Sullivan, WI is assigned to Sullivan Elementary School (elementary), rated B; Jefferson High School (high), rated B+; Jefferson Middle School (middle), rated B-. All sit in Jefferson School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 309 North St, Sullivan, WI compare to other homes in Sullivan 53178?

Among the 924 homes in Sullivan 53178, it is worth more than 34% of them ($320,411 against a typical $389,162) and its lot is bigger than 28% of them (0.41 ac against a typical 1.03 ac). Measured against all of Jefferson County, it is worth more than 42% 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 309 North St, Sullivan, WI?

The 2025 property tax bill for 309 North St, Sullivan, WI was $5,136. The county assessed it at $271,400.

More homes on North St

Closest homes

More homes in Sullivan 53178

Assigned schools

Explore the area

See this home in context

Open 309 North 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