Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$232,685$213 / 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

857 RIVERSIDE DR

PORTLAND, MI 48875
4
Beds
1
Baths
1,092 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.
0.26 ac
Lot SizeThe size of the land the home sits on, from county records.
1969
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$233K
$223K low$243K high
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.$232,685
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$186,148

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,838 (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.$107,300 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$17,200
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$90,100
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$97,100
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$214,600

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
CountyIONIA
Lot (acres)The size of the land the home sits on, from county records.0.26
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(1)

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 · 0.4 mi
H
Portland High SchoolB
High · Grades 9–12 · 1.3 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

857 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 70% of homes in Portland 48875
  • Costs more per square foot than 75% of homes in Portland 48875
  • Smaller than 86% of homes in Portland 48875
  • Has a smaller lot than 81% of homes in Portland 48875

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
$140K$551K

This home is worth more than 30% 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$232,685
CheaperTypical $275,874Pricier

Pricier than 30% of homes nearby

Price per ft²$213
CheaperTypical $187Pricier

Pricier than 75% of homes nearby

Living area1,092 ft²
SmallerTypical 1,512 ft²Bigger

Bigger than 14% of homes nearby

Lot size0.26 ac
SmallerTypical 0.96 acBigger

Bigger than 19% of homes nearby

Year built1969
OlderTypical 1973Newer

Newer than 44% of homes nearby

How 857 Riverside Dr ranks against every home in each area.
MeasureThis homePortland 48875Ionia County
Estimated valuepricier than$232,68530% of homes46% of homes
Price per ft²pricier than$21375% of homes75% of homes
Living areabigger than1,092 ft²14% of homes20% of homes
Lot sizebigger than0.26 ac19% of homes22% of homes
Year builtnewer than196944% of homes42% of homes

About 857 Riverside Dr

How much is 857 Riverside Dr, Portland, MI worth?

The TopHap Estimate for 857 Riverside Dr, Portland, MI is $232,685 as of Jul 14, 2026. The likely range is $222,837 to $242,533. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 857 Riverside Dr, Portland, MI last sell?

857 Riverside Dr, Portland, MI last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 857 Riverside Dr, Portland, MI?

857 Riverside Dr, Portland, MI has 4 bedrooms, 1 bathrooms, 1,092 square feet of living space and a 0.26-acre lot.

When was 857 Riverside Dr, Portland, MI built?

857 Riverside Dr, Portland, MI was built in 1969, making it 57 years old. It is a ranch home. The building has 1 story.

What schools serve 857 Riverside Dr, Portland, MI?

857 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 857 Riverside Dr, Portland, MI compare to other homes in Portland 48875?

Among the 3,572 homes in Portland 48875, it is worth more than 30% of them ($232,685 against a typical $275,874), its price per square foot is higher than 75% of them ($213 against a typical $187), it is bigger than 14% of them (1,092 ft² against a typical 1,512 ft²), its lot is bigger than 19% of them (0.26 ac against a typical 0.96 ac) and it is newer than 44% of them (1969 against a typical 1973). Measured against all of Ionia County, it is worth more than 46% 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 857 Riverside Dr, Portland, MI?

The 2025 property tax bill for 857 Riverside Dr, Portland, MI was $2,838. The county assessed it at $107,300.

More homes on Riverside Dr

Closest homes

More homes in Portland 48875

Assigned schools

Explore the area

See this home in context

Open 857 Riverside Dr on TopHap’s interactive map to compare it against every sale nearby, overlay school zones and flood risk, and run a CMA.

Open in map
A flyover of TopHap's photorealistic 3D map, with recorded sale prices pinned to homes
Search any address, city, zip, or county…3D$1.9M$6.25MOpen in map