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Single Family ResidenceResidential
$161,343$163 / 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 93How 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 $130,000 on Jul 8, 2021

129 PROSPECT ST

SPARTA, MI 49345
3
Beds
1
Baths
992 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.
0.11 ac
Lot SizeThe size of the land the home sits on, from county records.
1920
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.

Valuation

$161K
$151K low$172K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$130,000 · Jul 8, 2021

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,037 (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.$72,700 (2025)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$67,900
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$145,400

Climate Risk

Overall riskThe average of the five hazard scores below, on a 0 to 100 scale. Higher means greater projected risk over the coming decades.34
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
8
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
57
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
76
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
29
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.
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
CountyKENT
Lot (acres)The size of the land the home sits on, from county records.0.12
HeatingThe type of heating system in the home.Forced Air With Air Conditioning
CoolingThe type of cooling or air conditioning in the home.Yes
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(8)

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.

M
Sparta Middle SchoolB
Middle · Grades 6–8 · 0.5 mi
E
Ridgeview Elementary School
Elementary · Grades PK–2 · 0.9 mi
H
Sparta Senior High SchoolB
High · Grades 9–12 · 0.9 mi

District: Sparta Area Schools

Neighborhood · ZIP 49345These 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.92
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.83
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.17

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.18%
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.1.3%
PopulationHow many people live in this area.13,557
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.252 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$81,884
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$97,102
Average tempThe average temperature here across a full year.47°F
Annual precipHow much rain and melted snow falls here in a typical year.37 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.46%

Owner Tools

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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

129 Prospect 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.

  • Among the least valuable homes in Sparta 49345
  • Costs less per square foot than 92% of homes in Kent County
  • Smaller than 88% of homes in Sparta 49345
  • Has a smaller lot than 98% of homes in Sparta 49345
  • Older than 87% of homes in Kent County

What homes are worth in Sparta 49345

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

This home
$167K$708K

This home is worth less than almost all homes in Sparta 49345.

How it measures up in Sparta 49345

The dot is this home. The mark in the middle is the typical home in Sparta 49345.

Estimated value$161,343
CheaperTypical $329,846Pricier

Cheaper than almost all homes nearby

Price per ft²$163
CheaperTypical $235Pricier

Pricier than 9% of homes nearby

Living area992 ft²
SmallerTypical 1,427 ft²Bigger

Bigger than 12% of homes nearby

Lot size0.11 ac
SmallerTypical 1 acBigger

Bigger than 2% of homes nearby

Year built1920
OlderTypical 1975Newer

Newer than 14% of homes nearby

How 129 Prospect St ranks against every home in each area.
MeasureThis homeSparta 49345Kent County
Estimated valuepricier than$161,343almost no homes3% of homes
Price per ft²pricier than$1639% of homes8% of homes
Living areabigger than992 ft²12% of homes14% of homes
Lot sizebigger than0.11 ac2% of homes14% of homes
Year builtnewer than192014% of homes13% of homes

About 129 Prospect St

How much is 129 Prospect St, Sparta, MI worth?

The TopHap Estimate for 129 Prospect St, Sparta, MI is $161,343 as of Sep 24, 2026. The likely range is $150,590 to $172,096. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 129 Prospect St, Sparta, MI last sell?

129 Prospect St, Sparta, MI last sold on Jul 8, 2021 for $130,000, according to the county's recorded deed. TopHap holds 7 recorded sales for this parcel.

How big is 129 Prospect St, Sparta, MI?

129 Prospect St, Sparta, MI has 3 bedrooms, 1 bathrooms, 992 square feet of living space and a 0.12-acre lot.

When was 129 Prospect St, Sparta, MI built?

129 Prospect St, Sparta, MI was built in 1920, making it 106 years old. The building has 2 stories.

What schools serve 129 Prospect St, Sparta, MI?

129 Prospect St, Sparta, MI is assigned to Sparta Middle School (middle), rated B; Ridgeview Elementary School (elementary); Sparta Senior High School (high), rated B. All sit in Sparta Area Schools. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 129 Prospect St, Sparta, MI compare to other homes in Sparta 49345?

Among the 4,566 homes in Sparta 49345, it is worth more than almost none of them ($161,343 against a typical $329,846), its price per square foot is higher than 9% of them ($163 against a typical $235), it is bigger than 12% of them (992 ft² against a typical 1,427 ft²), its lot is bigger than 2% of them (0.11 ac against a typical 1 ac) and it is newer than 14% of them (1920 against a typical 1975). Measured against all of Kent County, it is worth more than 3% 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 129 Prospect St, Sparta, MI?

The 2025 property tax bill for 129 Prospect St, Sparta, MI was $2,037. The county assessed it at $72,700.

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