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Single Family ResidenceResidential
$377,226$220 / 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 95How 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

3674 121ST AVE

ALLEGAN, MI 49010
2
Baths
1,714 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.
20.12 ac
Lot SizeThe size of the land the home sits on, from county records.
1
StoriesHow many floors the home has above ground.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$377K
$357K low$398K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,777 (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.$210,800 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$82,900
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$127,900
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$194,500
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$421,600

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.Ranch
CountyALLEGAN
Lot (acres)The size of the land the home sits on, from county records.20.12
FoundationWhat the home is built on, such as a concrete slab, a crawl space, or a basement.No Foundation
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(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
Allegan High SchoolB
High · Grades 9–12 · 3.2 mi
E
Dawson Elementary SchoolB-
Elementary · Grades KG–5 · 3.3 mi
M
L.E. White Middle SchoolC+
Middle · Grades 6–8 · 3.5 mi

District: Allegan Public Schools

Neighborhood · ZIP 49010These 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.79
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.24

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.90%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.13%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.14%
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.18,900
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.114 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$68,616
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$80,455
Average tempThe average temperature here across a full year.48°F
Annual precipHow much rain and melted snow falls here in a typical year.40 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.46%

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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

3674 121st 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.

  • Worth more than 76% of homes in Allegan 49010
  • Bigger than 69% of homes in Allegan 49010
  • Has a bigger lot than 97% of homes in Allegan 49010

What homes are worth in Allegan 49010

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

This home
$87K$698K

This home is worth more than 76% of homes in Allegan 49010.

How it measures up in Allegan 49010

The dot is this home. The mark in the middle is the typical home in Allegan 49010.

Estimated value$377,226
CheaperTypical $275,991Pricier

Pricier than 76% of homes nearby

Price per ft²$220
CheaperTypical $193Pricier

Pricier than 63% of homes nearby

Living area1,714 ft²
SmallerTypical 1,456 ft²Bigger

Bigger than 69% of homes nearby

Lot size20.12 ac
SmallerTypical 1 acBigger

Bigger than 97% of homes nearby

How 3674 121st Ave ranks against every home in each area.
MeasureThis homeAllegan 49010Allegan County
Estimated valuepricier than$377,22676% of homes58% of homes
Price per ft²pricier than$22063% of homes42% of homes
Living areabigger than1,714 ft²69% of homes65% of homes
Lot sizebigger than20.12 ac97% of homes97% of homes

About 3674 121st Ave

How much is 3674 121st Ave, Allegan, MI worth?

The TopHap Estimate for 3674 121st Ave, Allegan, MI is $377,226 as of Oct 21, 2026. The likely range is $356,807 to $397,645. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 3674 121st Ave, Allegan, MI last sell?

3674 121st Ave, Allegan, MI last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 3674 121st Ave, Allegan, MI?

3674 121st Ave, Allegan, MI has 2 bathrooms, 1,714 square feet of living space and a 20.12-acre lot.

What schools serve 3674 121st Ave, Allegan, MI?

3674 121st Ave, Allegan, MI is assigned to Allegan High School (high), rated B; Dawson Elementary School (elementary), rated B-; L.E. White Middle School (middle), rated C+. All sit in Allegan Public Schools. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 3674 121st Ave, Allegan, MI compare to other homes in Allegan 49010?

Among the 7,197 homes in Allegan 49010, it is worth more than 76% of them ($377,226 against a typical $275,991), its price per square foot is higher than 63% of them ($220 against a typical $193), it is bigger than 69% of them (1,714 ft² against a typical 1,456 ft²) and its lot is bigger than 97% of them (20.12 ac against a typical 1 ac). Measured against all of Allegan County, it is worth more than 58% 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 3674 121st Ave, Allegan, MI?

The 2025 property tax bill for 3674 121st Ave, Allegan, MI was $2,777. The county assessed it at $210,800.

More homes on 121st Ave

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More homes in Allegan 49010

Assigned schools

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