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Single Family ResidenceResidential
$492,854$317 / 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 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
Last sold for $412,000 on Nov 30, 2022

4280 20TH ST

DORR, MI 49323
1.5
Baths
1,555 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.
2.15 ac
Lot SizeThe size of the land the home sits on, from county records.
2017
Year BuiltThe year the home was originally built, according to county records.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$493K
$463K low$522K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$412,000 · Nov 30, 2022

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$8,004 (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.$270,400 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$70,900
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$199,500
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$264,400
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$540,800

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.28 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%

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.Ranch
CountyALLEGAN
Lot (acres)The size of the land the home sits on, from county records.2.15
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(4)

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.

E
Sycamore Elementary SchoolA
Elementary · Grades PK–5 · 0.8 mi
M
Hopkins Middle SchoolB
Middle · Grades 6–8 · 7.6 mi
H
Hopkins High SchoolC
High · Grades 9–12 · 7.7 mi

District: Hopkins Public Schools

Neighborhood · ZIP 49323These 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.62
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.80
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.23

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.94%
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.3.6%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.5%
PopulationHow many people live in this area.9,132
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.182 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$91,359
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$104,048
Average tempThe average temperature here across a full year.48°F
Annual precipHow much rain and melted snow falls here in a typical year.39 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

4280 20th 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 85% of homes in Dorr 49323
  • Costs more per square foot than 78% of homes in Allegan County
  • Bigger than 66% of homes in Dorr 49323
  • Has a bigger lot than 67% of homes in Dorr 49323
  • Newer than 93% of homes in Dorr 49323

What homes are worth in Dorr 49323

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

This home
$197K$729K

This home is worth more than 85% of homes in Dorr 49323.

How it measures up in Dorr 49323

The dot is this home. The mark in the middle is the typical home in Dorr 49323.

Estimated value$492,854
CheaperTypical $375,220Pricier

Pricier than 85% of homes nearby

Price per ft²$317
CheaperTypical $275Pricier

Pricier than 76% of homes nearby

Living area1,555 ft²
SmallerTypical 1,396 ft²Bigger

Bigger than 66% of homes nearby

Lot size2.15 ac
SmallerTypical 1.21 acBigger

Bigger than 67% of homes nearby

Year built2017
OlderTypical 1994Newer

Newer than 93% of homes nearby

How 4280 20th St ranks against every home in each area.
MeasureThis homeDorr 49323Allegan County
Estimated valuepricier than$492,85485% of homes77% of homes
Price per ft²pricier than$31776% of homes78% of homes
Living areabigger than1,555 ft²66% of homes53% of homes
Lot sizebigger than2.15 ac67% of homes67% of homes
Year builtnewer than201793% of homes92% of homes

About 4280 20th St

How much is 4280 20th St, Dorr, MI worth?

The TopHap Estimate for 4280 20th St, Dorr, MI is $492,854 as of Oct 21, 2026. The likely range is $463,323 to $522,385. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 4280 20th St, Dorr, MI last sell?

4280 20th St, Dorr, MI last sold on Nov 30, 2022 for $412,000, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 4280 20th St, Dorr, MI?

4280 20th St, Dorr, MI has 1.5 bathrooms, 1,555 square feet of living space and a 2.15-acre lot.

When was 4280 20th St, Dorr, MI built?

4280 20th St, Dorr, MI was built in 2017, making it 9 years old. It is a ranch home.

What schools serve 4280 20th St, Dorr, MI?

4280 20th St, Dorr, MI is assigned to Sycamore Elementary School (elementary), rated A; Hopkins Middle School (middle), rated B; Hopkins High School (high), rated C. All sit in Hopkins Public Schools. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 4280 20th St, Dorr, MI compare to other homes in Dorr 49323?

Among the 3,527 homes in Dorr 49323, it is worth more than 85% of them ($492,854 against a typical $375,220), its price per square foot is higher than 76% of them ($317 against a typical $275), it is bigger than 66% of them (1,555 ft² against a typical 1,396 ft²), its lot is bigger than 67% of them (2.15 ac against a typical 1.21 ac) and it is newer than 93% of them (2017 against a typical 1994). Measured against all of Allegan County, it is worth more than 77% 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 4280 20th St, Dorr, MI?

The 2025 property tax bill for 4280 20th St, Dorr, MI was $8,004. The county assessed it at $270,400.

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