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Single Family ResidenceResidential
$179,897$165 / 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 96How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Jul 14, 2026
Last sold for $101,925 on Dec 28, 2018

639 RIVERSIDE DR

PORTLAND, MI 48875
2
Beds
1
Baths
1,090 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.
0.14 ac
Lot SizeThe size of the land the home sits on, from county records.
1900
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
1
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$180K
$173K low$187K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$101,925 · Dec 28, 2018
Est. Owner EquityRoughly how much of the home's value the owner would keep after paying off known loans. It is our estimate minus the loans still owed.$76,943
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$61,554
Loan-to-ValueHow much is still owed on the home compared to what it is worth. 80% means loans equal 80% of our estimate, so it shifts when the estimate does.62%
1st MortgageA loan still believed to be open on this home, in the order lenders get repaid. The first position is paid back before the second.$102,954
PFCU · P · recorded Dec 28, 2018

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,009 (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.$74,100 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$9,600
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$64,500
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$66,500
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$148,200

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyIONIA
Effective Year BuiltAn adjusted build year that accounts for condition and major remodels. A big renovation can make a home count as newer than it is.1980
Lot (acres)The size of the land the home sits on, from county records.0.14
HeatingThe type of heating system in the home.Forced Air With Air Conditioning
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.

M
Portland Middle SchoolB
Middle · Grades 6–8 · 0.2 mi
E
Oakwood Elementary School
Elementary · Grades PK–2 · 0.3 mi
H
Portland High SchoolB
High · Grades 9–12 · 1.2 mi

District: Portland Public School District

Neighborhood · ZIP 48875These 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.107
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.84
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.21

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.95%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.21%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.4.8%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.4%
PopulationHow many people live in this area.10,283
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.115 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$79,469
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$93,283
Average tempThe average temperature here across a full year.48°F
Annual precipHow much rain and melted snow falls here in a typical year.35 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.47%

Ownership

OccupancyWhether the owner appears to live here or somewhere else. It is inferred from the mailing address on record.Owner occupied
Company ownedWhether the owner is a company or trust rather than a person.No

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

639 Riverside Dr 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 Portland 48875
  • Costs less per square foot than 71% of homes in Portland 48875
  • Smaller than 87% of homes in Portland 48875
  • Has a smaller lot than 98% of homes in Portland 48875
  • Older than 86% of homes in Ionia County

What homes are worth in Portland 48875

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

This home
$144K$551K

This home is worth more than 7% of homes in Portland 48875.

How it measures up in Portland 48875

The dot is this home. The mark in the middle is the typical home in Portland 48875.

Estimated value$179,897
CheaperTypical $278,131Pricier

Pricier than 7% of homes nearby

Price per ft²$165
CheaperTypical $187Pricier

Pricier than 29% of homes nearby

Living area1,090 ft²
SmallerTypical 1,512 ft²Bigger

Bigger than 13% of homes nearby

Lot size0.14 ac
SmallerTypical 0.96 acBigger

Bigger than 2% of homes nearby

Year built1900
OlderTypical 1973Newer

Newer than 19% of homes nearby

How 639 Riverside Dr ranks against every home in each area.
MeasureThis homePortland 48875Ionia County
Estimated valuepricier than$179,8977% of homes22% of homes
Price per ft²pricier than$16529% of homes44% of homes
Living areabigger than1,090 ft²13% of homes20% of homes
Lot sizebigger than0.14 ac2% of homes5% of homes
Year builtnewer than190019% of homes14% of homes

About 639 Riverside Dr

How much is 639 Riverside Dr, Portland, MI worth?

The TopHap Estimate for 639 Riverside Dr, Portland, MI is $179,897 as of Jul 14, 2026. The likely range is $173,227 to $186,567. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 639 Riverside Dr, Portland, MI last sell?

639 Riverside Dr, Portland, MI last sold on Dec 28, 2018 for $101,925, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 639 Riverside Dr, Portland, MI?

639 Riverside Dr, Portland, MI has 2 bedrooms, 1 bathrooms, 1,090 square feet of living space and a 0.14-acre lot.

When was 639 Riverside Dr, Portland, MI built?

639 Riverside Dr, Portland, MI was built in 1900, making it 126 years old. The building has 2 stories.

What schools serve 639 Riverside Dr, Portland, MI?

639 Riverside Dr, Portland, MI is assigned to Portland Middle School (middle), rated B; Oakwood Elementary School (elementary); Portland High School (high), rated B. All sit in Portland Public School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 639 Riverside Dr, Portland, MI compare to other homes in Portland 48875?

Among the 3,572 homes in Portland 48875, it is worth more than 7% of them ($179,897 against a typical $278,131), its price per square foot is higher than 29% of them ($165 against a typical $187), it is bigger than 13% of them (1,090 ft² against a typical 1,512 ft²), its lot is bigger than 2% of them (0.14 ac against a typical 0.96 ac) and it is newer than 19% of them (1900 against a typical 1973). Measured against all of Ionia County, it is worth more than 22% 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 639 Riverside Dr, Portland, MI?

The 2025 property tax bill for 639 Riverside Dr, Portland, MI was $2,009. The county assessed it at $74,100.

Closest homes

More homes in Portland 48875

Assigned schools

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