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TownhouseResidential
$218,703
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 95How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Sep 24, 2026
Last sold for $145,000 on Jul 23, 2018

405 SIERRA PL

ROBERTS, WI 54023
0
Baths
2,029 ft²
Lot SizeThe size of the land the home sits on, from county records.

Valuation

$219K
$208K low$229K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$145,000 · Jul 23, 2018

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,827 (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.$186,800 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$16,400
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$170,400
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$186,800

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Townhouse
StyleThe architectural style of the home, such as ranch or colonial.Townhouse
CountyST. CROIX
Lot (acres)The size of the land the home sits on, from county records.0.05
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(3)

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(1)

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

E
Saint Croix Central Elementary SchoolB-
Elementary · Grades PK–4 · 0.9 mi
H
Saint Croix Central High SchoolC-
High · Grades 9–12 · 4.7 mi
M
Saint Croix Central Middle SchoolA
Middle · Grades 5–8 · 5.3 mi

District: St. Croix Central School District

Neighborhood · ZIP 54023These 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.91
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 100.12

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.6.2%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.2%
PopulationHow many people live in this area.4,240
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.98 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$107,236
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$119,290
Average tempThe average temperature here across a full year.44°F
Annual precipHow much rain and melted snow falls here in a typical year.32 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

405 Sierra Pl 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 93% of homes in Roberts 54023
  • Among the smallest lots in Roberts 54023

What homes are worth in Roberts 54023

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

This home
$163K$681K

This home is worth more than 7% of homes in Roberts 54023.

How it measures up in Roberts 54023

The dot is this home. The mark in the middle is the typical home in Roberts 54023.

Estimated value$218,703
CheaperTypical $340,339Pricier

Pricier than 7% of homes nearby

Lot size2,029 ft²
SmallerTypical 2.14 acBigger

Smaller than almost all homes nearby

How 405 Sierra Pl ranks against every home in each area.
MeasureThis homeRoberts 54023St. Croix County
Estimated valuepricier than$218,7037% of homes10% of homes
Lot sizebigger than2,029 ft²almost no homesalmost no homes

About 405 Sierra Pl

How much is 405 Sierra Pl, Roberts, WI worth?

The TopHap Estimate for 405 Sierra Pl, Roberts, WI is $218,703 as of Sep 24, 2026. The likely range is $208,058 to $229,348. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 405 Sierra Pl, Roberts, WI last sell?

405 Sierra Pl, Roberts, WI last sold on Jul 23, 2018 for $145,000, according to the county's recorded deed.

What schools serve 405 Sierra Pl, Roberts, WI?

405 Sierra Pl, Roberts, WI is assigned to Saint Croix Central Elementary School (elementary), rated B-; Saint Croix Central High School (high), rated C-; Saint Croix Central Middle School (middle), rated A. All sit in St. Croix Central School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 405 Sierra Pl, Roberts, WI compare to other homes in Roberts 54023?

Among the 1,436 homes in Roberts 54023, it is worth more than 7% of them ($218,703 against a typical $340,339) and its lot is bigger than almost none of them (2,029 ft² against a typical 2.14 ac). Measured against all of St. Croix County, it is worth more than 10% 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 Sierra Pl, Roberts, WI?

The 2025 property tax bill for 405 Sierra Pl, Roberts, WI was $2,827. The county assessed it at $186,800.

More homes on Sierra Pl

Closest homes

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Assigned schools

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